Report Analysis

Generated at 2020-10-13T23:40:03+0000 for charles.hoffman@me.com. This page will remain online for about 48 hours.

Report

Submitted: https://www.sec.gov/Archives/edgar/data/1108524/000110852419000009/crm-20190131.xml
For more information: http://logicalcontracts.com/xbrl-and-sbrm-reporting/
DISCLAIMER: this analysis is provided by software still under development, and likely incomplete or even erroneous; do NOT use it other than for experimental, inconsequential purposes

User Alterations

NONE

	TERMS
0001000 - Document - Document and Entity Information	Structures	Facts
1001000 - Statement - Condensed Consolidated Balance Sheets	Structures	Facts
1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)	Structures	Facts
1002000 - Statement - Condensed Consolidated Statements of Operations	Structures	Facts
1002501 - Statement - Condensed Consolidated Statements of Operations (Parenthetical)	Structures	Facts
1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income	Structures	Facts
1004000 - Statement - Condensed Consolidated Statements of Stockholders’ Equity	Structures	Facts
1005000 - Statement - Condensed Consolidated Statements of Cash Flows	Structures	Facts
2101100 - Disclosure - Summary of Business and Significant Accounting Policies	Structures	Facts
2102100 - Disclosure - Revenues	Structures	Facts
2103100 - Disclosure - Investments	Structures	Facts
2104100 - Disclosure - Derivatives	Structures	Facts
2105100 - Disclosure - Fair Value Measurement	Structures	Facts
2106100 - Disclosure - Property and Equipment	Structures	Facts
2107100 - Disclosure - Business Combinations	Structures	Facts
2108100 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill	Structures	Facts
2109100 - Disclosure - Debt	Structures	Facts
2110100 - Disclosure - Income Taxes	Structures	Facts
2111100 - Disclosure - Earnings Per Share	Structures	Facts
2111100 - Disclosure - Stockholders' Equity	Structures	Facts
2112100 - Disclosure - Commitments	Structures	Facts
2113100 - Disclosure - Employee Benefit Plan	Structures	Facts
2114100 - Disclosure - Legal Proceedings and Claims	Structures	Facts
2115100 - Disclosure - Related-Party Transactions	Structures	Facts
2116100 - Disclosure - Selected Quarterly Financial Data (Unaudited)	Structures	Facts
2117100 - Schedule - Schedule II Valuation and Qualifying Accounts	Structures	Facts
2201201 - Disclosure - Summary of Business and Significant Accounting Policies (Policies)	Structures	Facts
2301302 - Disclosure - Summary of Business and Significant Accounting Policies (Tables)	Structures	Facts
2302301 - Disclosure - Revenues (Tables)	Structures	Facts
2303301 - Disclosure - Investments (Tables)	Structures	Facts
2304301 - Disclosure - Derivatives (Tables)	Structures	Facts
2305301 - Disclosure - Fair Value Measurement (Tables)	Structures	Facts
2306301 - Disclosure - Property and Equipment (Tables)	Structures	Facts
2307301 - Disclosure - Business Combinations (Tables)	Structures	Facts
2308301 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Tables)	Structures	Facts
2309301 - Disclosure - Debt (Tables)	Structures	Facts
2310301 - Disclosure - Income Taxes (Tables)	Structures	Facts
2311301 - Disclosure - Earnings Per Share (Tables)	Structures	Facts
2311301 - Disclosure - Stockholders' Equity (Tables)	Structures	Facts
2312301 - Disclosure - Commitments (Tables)	Structures	Facts
2316301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables)	Structures	Facts
2401403 - Disclosure - Summary of Business and Significant Accounting Policies - Additional Information (Detail)	Structures	Facts
2401404 - Disclosure - Summary of Business and Significant Accounting Policies - Schedule of Property and Equipment Estimated Useful Lives (Detail)	Structures	Facts
2401405 - Disclosure - Summary of Business and Significant Accounting Policies - Adoption of ASU 2014-09 (Details)	Structures	Facts
2402402 - Disclosure - Revenues - Disaggregation of Revenue (Detail)	Structures	Facts
2402403 - Disclosure - Revenues - Contract Balances, Unearned Revenue and Remaining Performance Obligation (Details)	Structures	Facts
2403402 - Disclosure - Investments - Schedule of Marketable Securities (Detail)	Structures	Facts
2403403 - Disclosure - Investments - Schedule of Short-Term and Long-Term Marketable Securities (Detail)	Structures	Facts
2403404 - Disclosure - Investments - Schedule of Marketable Securities in Unrealized Loss Position (Detail)	Structures	Facts
2403405 - Disclosure - Investments - Schedule of Components of Investment Income (Detail)	Structures	Facts
2403406 - Disclosure - Investments - Schedule of Strategic Investments (Detail)	Structures	Facts
2404402 - Disclosure - Derivatives - Schedule of Outstanding Foreign Currency Derivative Contracts Related Primarily to Intercompany Receivables and Payables (Detail)	Structures	Facts
2404403 - Disclosure - Derivatives - Fair Value of Outstanding Derivative Instruments (Detail)	Structures	Facts
2404404 - Disclosure - Derivatives - Effect of Derivative Instruments Not Designated as Hedging Instruments on Condensed Consolidated Statements of Operations (Detail)	Structures	Facts
2405402 - Disclosure - Fair Value Measurement (Detail)	Structures	Facts
2406402 - Disclosure - Property and Equipment (Detail)	Structures	Facts
2407402 - Disclosure - Business Combinations (Narrative) (Details)	Structures	Facts
2407403 - Disclosure - Business Combinations (Consideration Transferred) (Details)	Structures	Facts
2407404 - Disclosure - Business Combinations (Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Details)	Structures	Facts
2407405 - Disclosure - Business Combinations (Intangible Assets Acquired) (Details)	Structures	Facts
2407406 - Disclosure - Business Combinations (Pro Forma Information) (Details)	Structures	Facts
2407407 - Disclosure - Business Combinations (CloudCraze Narrative) (Details)	Structures	Facts
2408402 - Disclosure - Assets Acquired Through Business Combinations and Goodwill (Intangible Assets Acquired From Business Combinations) (Details)	Structures	Facts
2408403 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Expected Future Amortization Expense for Purchased Intangible Assets) (Details)	Structures	Facts
2408404 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Goodwill) (Details)	Structures	Facts
2409402 - Disclosure - Debt - Carrying Value of Borrowings (Details)	Structures	Facts
2409403 - Disclosure - Debt - Future Principal Payments (Details)	Structures	Facts
2409404 - Disclosure - Debt - Term Loans (Detail)	Structures	Facts
2409405 - Disclosure - Debt - Senior Notes (Details)	Structures	Facts
2409406 - Disclosure - Debt - Loan Assumed on 50 Fremont (Details)	Structures	Facts
2409407 - Disclosure - Debt - Convertible Senior Notes (Detail)	Structures	Facts
2409408 - Disclosure - Debt - Warrants (Detail)	Structures	Facts
2409409 - Disclosure - Debt - Revolving Credit Facility (Details)	Structures	Facts
2409410 - Disclosure - Debt - Schedule of Interest Expense (Detail)	Structures	Facts
2410402 - Disclosure - Income Taxes - Domestic And Foreign Components of Income (Loss) Before Provision (Benefit) For Income Taxes (Details)	Structures	Facts
2410403 - Disclosure - Income Taxes - Schedule of Income Taxes Provision (Benefit) (Details)	Structures	Facts
2410404 - Disclosure - Income Taxes - Additional Information (Detail)	Structures	Facts
2410405 - Disclosure - Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details)	Structures	Facts
2410406 - Disclosure - Income Taxes - Significant Components of Deferred Tax Assets And Liabilities (Details)	Structures	Facts
2410407 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits (Details)	Structures	Facts
2411402 - Disclosure - Earnings Per Share - Reconciliation of Denominator Used in Calculation of Basic and Diluted Loss Per Share (Detail)	Structures	Facts
2411402 - Disclosure - Stockholders' Equity - Additional Information (Detail)	Structures	Facts
2411403 - Disclosure - Earnings Per Share - Shares Excluded from Diluted Earnings or Loss Per Share (Detail)	Structures	Facts
2411403 - Disclosure - Stockholders' Equity - Fair Value Assumptions (Detail)	Structures	Facts
2411404 - Disclosure - Stockholders' Equity - Stock Activity (Detail)	Structures	Facts
2411405 - Disclosure - Stockholders' Equity - Stock Options Outstanding (Detail)	Structures	Facts
2411406 - Disclosure - Stockholders' Equity - Schedule of Restricted Stock Activity (Detail)	Structures	Facts
2411407 - Disclosure - Stockholders' Equity - Shares of Common Stock Available for Future Issuance under Stock Option Plans (Detail)	Structures	Facts
2412402 - Disclosure - Commitments - Additional Information (Detail)	Structures	Facts
2412403 - Disclosure - Commitments - Schedule of Future Minimum Lease Payments under Non-Cancelable Operating and Capital Leases (Detail)	Structures	Facts
2413401 - Disclosure - Employee Benefit Plans (Details)	Structures	Facts
2414401 - Disclosure - Legal Proceedings and Claims (Details)	Structures	Facts
2415401 - Disclosure - Related-Party Transactions (Details)	Structures	Facts
2416402 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details)	Structures	Facts
2417401 - Schedule - Schedule II Valuation and Qualifying Accounts (Details)	Structures	Facts
	RULES
	Errors and Warnings

Terms

Terms shown are only those effectively used by the report instance.

#	Label	Data Type	Period Type	Balance Type	Abstract	Prefix	Name, Documentation, References
1	Asia Pacific [Member]	nonnum:domainItemType	duration		true	srt	AsiaPacificMember
2	Americas [Member]	nonnum:domainItemType	duration		true	srt	AmericasMember
3	Affiliated Entity [Member]	nonnum:domainItemType	duration		true	srt	AffiliatedEntityMember
4	Europe [Member]	nonnum:domainItemType	duration		true	srt	EuropeMember
5	Litigation Case [Axis]	xbrli:stringItemType	duration		true	srt	LitigationCaseAxis
6	Litigation Case [Domain]	nonnum:domainItemType	duration		true	srt	LitigationCaseTypeDomain
7	Maximum [Member]	nonnum:domainItemType	duration		true	srt	MaximumMember
8	Minimum [Member]	nonnum:domainItemType	duration		true	srt	MinimumMember
9	Product and Service [Domain]	nonnum:domainItemType	duration		true	srt	ProductsAndServicesDomain
10	Product and Service [Axis]	xbrli:stringItemType	duration		true	srt	ProductOrServiceAxis
11	Range [Domain]	nonnum:domainItemType	duration		true	srt	RangeMember
12	Range [Axis]	xbrli:stringItemType	duration		true	srt	RangeAxis
13	srt:RepurchaseAgreementCounterpartyNameDomain (label)	nonnum:domainItemType	duration		true	srt	RepurchaseAgreementCounterpartyNameDomain
14	SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	nonnum:textBlockItemType	duration			srt	ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
15	Geographical [Domain]	nonnum:domainItemType	duration		true	srt	SegmentGeographicalDomain
16	Geographical [Axis]	xbrli:stringItemType	duration		true	srt	StatementGeographicalAxis
17	srt:SubsidiariesMember (label)	nonnum:domainItemType	duration		true	srt	SubsidiariesMember
18	SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table]	xbrli:stringItemType	duration		true	srt	ValuationAndQualifyingAccountsDisclosureTable
19	SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]	xbrli:stringItemType	duration		true	srt	ValuationAndQualifyingAccountsAbstract
20	SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]	xbrli:stringItemType	duration		true	srt	ValuationAndQualifyingAccountsDisclosureLineItems
21	country:CA (label)	nonnum:domainItemType	duration		true	country	CA
22	country:GB (label)	nonnum:domainItemType	duration		true	country	GB
23	UNITED STATES	nonnum:domainItemType	duration		true	country	US
24	Award Type [Axis]	xbrli:stringItemType	duration		true	us-gaap	AwardTypeAxis
25	us-gaap:AccidentAndHealthInsuranceSegmentMember (label)	nonnum:domainItemType	duration		true	us-gaap	AccidentAndHealthInsuranceSegmentMember
26	Accounting Standards Update 2016-16 [Member]	nonnum:domainItemType	duration		true	us-gaap	AccountingStandardsUpdate201616Member
27	Accounting Policies [Abstract]	xbrli:stringItemType	duration		true	us-gaap	AccountingPoliciesAbstract
28	Accounting Standards Update 2016-01 [Member]	nonnum:domainItemType	duration		true	us-gaap	AccountingStandardsUpdate201601Member
29	Accounting Standards Update 2014-09 [Member]	nonnum:domainItemType	duration		true	us-gaap	AccountingStandardsUpdate201409Member
30	Accounts Payable, Current	xbrli:monetaryItemType	instant	credit		us-gaap	AccountsPayableCurrent
31	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent (label)	xbrli:monetaryItemType	instant	credit		us-gaap	AccountsPayableAndAccruedLiabilitiesCurrent
32	Accounts Receivable, Net, Current	xbrli:monetaryItemType	instant	debit		us-gaap	AccountsReceivableNetCurrent
33	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent (label)	xbrli:monetaryItemType	instant	credit		us-gaap	AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
34	Accrued Liabilities, Current	xbrli:monetaryItemType	instant	credit		us-gaap	AccruedLiabilitiesCurrent
35	us-gaap:AccruedInvestmentIncomeReceivable (label)	xbrli:monetaryItemType	instant	debit		us-gaap	AccruedInvestmentIncomeReceivable
36	us-gaap:AccruedLiabilitiesMember (label)	nonnum:domainItemType	duration		true	us-gaap	AccruedLiabilitiesMember
37	us-gaap:AccruedIncomeTaxesNoncurrent (label)	xbrli:monetaryItemType	instant	credit		us-gaap	AccruedIncomeTaxesNoncurrent
38	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	xbrli:monetaryItemType	instant	credit		us-gaap	AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
39	AOCI Attributable to Parent [Member]	nonnum:domainItemType	duration		true	us-gaap	AccumulatedOtherComprehensiveIncomeMember
40	Accumulated Other Comprehensive Income (Loss), Net of Tax	xbrli:monetaryItemType	instant	credit		us-gaap	AccumulatedOtherComprehensiveIncomeLossNetOfTax
41	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	xbrli:durationItemType	duration			us-gaap	AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
42	Acquired Finite-Lived Intangible Assets [Line Items]	xbrli:stringItemType	duration		true	us-gaap	AcquiredFiniteLivedIntangibleAssetsLineItems
43	Additional Paid in Capital, Common Stock	xbrli:monetaryItemType	instant	credit		us-gaap	AdditionalPaidInCapitalCommonStock
44	Additional Paid-in Capital [Member]	nonnum:domainItemType	duration		true	us-gaap	AdditionalPaidInCapitalMember
45	Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]	xbrli:stringItemType	duration		true	us-gaap	AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
46	Adjustments for New Accounting Pronouncements [Axis]	xbrli:stringItemType	duration		true	us-gaap	AdjustmentsForNewAccountingPronouncementsAxis
47	Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	xbrli:monetaryItemType	duration	credit		us-gaap	AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
48	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	xbrli:monetaryItemType	duration	credit		us-gaap	AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
49	Advertising Expense	xbrli:monetaryItemType	duration	debit		us-gaap	AdvertisingExpense
50	Advertising Costs, Policy [Policy Text Block]	nonnum:textBlockItemType	duration			us-gaap	AdvertisingCostsPolicyTextBlock
51	us-gaap:AllOtherSegmentsMember (label)	nonnum:domainItemType	duration		true	us-gaap	AllOtherSegmentsMember
52	Allocated Share-based Compensation Expense	xbrli:monetaryItemType	duration	debit		us-gaap	AllocatedShareBasedCompensationExpense
53	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	nonnum:domainItemType	duration		true	us-gaap	AllowanceForCreditLossMember
54	Allowance for Doubtful Accounts Receivable	xbrli:monetaryItemType	instant	credit		us-gaap	AllowanceForDoubtfulAccountsReceivable
55	Amortization of Debt Discount (Premium)	xbrli:monetaryItemType	duration	debit		us-gaap	AmortizationOfDebtDiscountPremium
56	Amortization of Debt Issuance Costs and Discounts	xbrli:monetaryItemType	duration	debit		us-gaap	AmortizationOfFinancingCostsAndDiscounts
57	Amortization of above and below Market Leases	xbrli:monetaryItemType	duration	debit		us-gaap	AmortizationOfAboveAndBelowMarketLeases
58	Amortization of Debt Issuance Costs	xbrli:monetaryItemType	duration	debit		us-gaap	AmortizationOfFinancingCosts
59	us-gaap:AmortizationOfDeferredCharges (label)	xbrli:monetaryItemType	duration	debit		us-gaap	AmortizationOfDeferredCharges
60	Antidilutive Securities [Axis]	xbrli:stringItemType	duration		true	us-gaap	AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
61	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	xbrli:sharesItemType	duration			us-gaap	AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
62	Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]	xbrli:stringItemType	duration		true	us-gaap	AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
63	Antidilutive Securities, Name [Domain]	nonnum:domainItemType	duration		true	us-gaap	AntidilutiveSecuritiesNameDomain
64	us-gaap:AssetPledgedAsCollateralMember (label)	nonnum:domainItemType	duration		true	us-gaap	AssetPledgedAsCollateralMember
65	Asset-backed Securities [Member]	nonnum:domainItemType	duration		true	us-gaap	AssetBackedSecuritiesMember
66	us-gaap:AssetManagementArrangementMember (label)	nonnum:domainItemType	duration		true	us-gaap	AssetManagementArrangementMember
67	us-gaap:AssetHeldInTrustMember (label)	nonnum:domainItemType	duration		true	us-gaap	AssetHeldInTrustMember
68	Assets [Abstract]	xbrli:stringItemType	duration		true	us-gaap	AssetsAbstract
69	Assets, Fair Value Disclosure	xbrli:monetaryItemType	instant	debit		us-gaap	AssetsFairValueDisclosure
70	Assets	xbrli:monetaryItemType	instant	debit		us-gaap	Assets
71	Assets, Total [Member]	nonnum:domainItemType	duration		true	us-gaap	AssetsTotalMember
72	Assets, Current	xbrli:monetaryItemType	instant	debit		us-gaap	AssetsCurrent
73	Assets, Current [Abstract]	xbrli:stringItemType	duration		true	us-gaap	AssetsCurrentAbstract
74	us-gaap:AssetsNoncurrentAbstract (label)	xbrli:stringItemType	duration		true	us-gaap	AssetsNoncurrentAbstract
75	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	xbrli:monetaryItemType	instant	credit		us-gaap	AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
76	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
77	Debt Securities, Available-for-sale, Amortized Cost	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleDebtSecuritiesAmortizedCostBasis
78	Debt Securities, Available-for-sale, Current	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleSecuritiesDebtSecuritiesCurrent
79	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
80	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
81	Debt Securities, Available-for-sale	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleSecuritiesDebtSecurities
82	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	xbrli:monetaryItemType	instant	debit		us-gaap	AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
83	Balance Sheet Location [Domain]	nonnum:domainItemType	duration		true	us-gaap	BalanceSheetLocationDomain
84	Balance Sheet Location [Axis]	xbrli:stringItemType	duration		true	us-gaap	BalanceSheetLocationAxis
85	Bank Time Deposits [Member]	nonnum:domainItemType	duration		true	us-gaap	BankTimeDepositsMember
86	us-gaap:BasisSwapMember (label)	nonnum:domainItemType	duration		true	us-gaap	BasisSwapMember
87	us-gaap:BondFutureMember (label)	nonnum:domainItemType	duration		true	us-gaap	BondFutureMember
88	us-gaap:BondOptionMember (label)	nonnum:domainItemType	duration		true	us-gaap	BondOptionMember
89	Bonds [Member]	nonnum:domainItemType	duration		true	us-gaap	BondsMember
90	Building Improvements [Member]	nonnum:domainItemType	duration		true	us-gaap	BuildingImprovementsMember
91	Building [Member]	nonnum:domainItemType	duration		true	us-gaap	BuildingMember
92	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
93	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
94	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
95	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
96	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
97	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue	xbrli:monetaryItemType	instant	credit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
98	Business Combination, Consideration Transferred	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessCombinationConsiderationTransferred1
99	Business Combination, Consideration Transferred, Liabilities Incurred	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessCombinationConsiderationTransferredLiabilitiesIncurred
100	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	xbrli:monetaryItemType	instant	credit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
101	Business Acquisition, Pro Forma Net Income (Loss)	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessAcquisitionsProFormaNetIncomeLoss
102	Business Acquisition, Pro Forma Information [Table Text Block]	nonnum:textBlockItemType	duration			us-gaap	BusinessAcquisitionProFormaInformationTextBlock
103	Business Acquisition [Line Items]	xbrli:stringItemType	duration		true	us-gaap	BusinessAcquisitionLineItems
104	Business Acquisition, Acquiree [Domain]	nonnum:domainItemType	duration		true	us-gaap	BusinessAcquisitionAcquireeDomain
105	Business Acquisition, Pro Forma Revenue	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessAcquisitionsProFormaRevenue
106	Business Acquisition [Axis]	xbrli:stringItemType	duration		true	us-gaap	BusinessAcquisitionAxis
107	Business Combinations [Abstract]	xbrli:stringItemType	duration		true	us-gaap	BusinessCombinationsAbstract
108	Business Combination Disclosure [Text Block]	nonnum:textBlockItemType	duration			us-gaap	BusinessCombinationDisclosureTextBlock
109	Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block]	nonnum:textBlockItemType	duration			us-gaap	BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock
110	Business Acquisition, Goodwill, Expected Tax Deductible Amount	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
111	Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
112	Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	xbrli:monetaryItemType	duration	credit		us-gaap	BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
113	Business Combination, Acquisition Related Costs	xbrli:monetaryItemType	duration	debit		us-gaap	BusinessCombinationAcquisitionRelatedCosts
114	Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	xbrli:monetaryItemType	instant	debit		us-gaap	BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
115	Calculated under Revenue Guidance in Effect before Topic 606 [Member]	nonnum:domainItemType	duration		true	us-gaap	CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member
116	us-gaap:CapitalSupportAgreementMember (label)	nonnum:domainItemType	duration		true	us-gaap	CapitalSupportAgreementMember
117	us-gaap:CapitalLeaseObligationsNoncurrent (label)	xbrli:monetaryItemType	instant	credit		us-gaap	CapitalLeaseObligationsNoncurrent
118	Capital Leases, Future Minimum Payments, Remainder of Fiscal Year	xbrli:monetaryItemType	instant	credit		us-gaap	CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear
119	Capital Leases, Future Minimum Payments Due	xbrli:monetaryItemType	instant	credit		us-gaap	CapitalLeasesFutureMinimumPaymentsDue
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987	crm:ContractwithCustomerLiabilityBillingsandOther (label)	xbrli:monetaryItemType	duration	credit		crm	ContractwithCustomerLiabilityBillingsandOther Contract with Customer, Liability, Billings and Other
988	crm:ContractwithCustomerLiabilityContributionfromContractAsset (label)	xbrli:monetaryItemType	duration	credit		crm	ContractwithCustomerLiabilityContributionfromContractAsset Contract with Customer, Liability, Contribution from Contract Asset
989	crm:CumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionTaxImpact (label)	xbrli:monetaryItemType	instant	credit		crm	CumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionTaxImpact Cumulative Effect of New Accounting Principle in Period of Adoption, Tax Impact
990	crm:DatoramaInc.Member (label)	nonnum:domainItemType	duration		true	crm	DatoramaInc.Member Datorama, Inc. [Member]
991	crm:DeferredTaxAssetsDeferredIntercompanyTransactions (label)	xbrli:monetaryItemType	instant	debit		crm	DeferredTaxAssetsDeferredIntercompanyTransactions Deferred Tax Assets, Deferred Intercompany Transactions
992	crm:DeferredTaxAssetsFinancingObligation (label)	xbrli:monetaryItemType	instant	debit		crm	DeferredTaxAssetsFinancingObligation Deferred Tax Assets Financing Obligation
993	crm:DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments (label)	xbrli:monetaryItemType	instant	credit		crm	DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments Deferred Tax Liabilities, Basis Difference on Strategic and Other Investments
994	crm:DemandwareMember (label)	nonnum:domainItemType	duration		true	crm	DemandwareMember Demandware [Member]
995	crm:DenominatorAbstract (label)	xbrli:stringItemType	duration		true	crm	DenominatorAbstract Denominator [Abstract]
996	crm:DevelopedTechnologyandCustomerRelationshipsMember (label)	nonnum:domainItemType	duration		true	crm	DevelopedTechnologyandCustomerRelationshipsMember Developed Technology and Customer Relationships [Member]
997	crm:DocumentAndEntityInformationAbstract (label)	xbrli:stringItemType	duration		true	crm	DocumentAndEntityInformationAbstract Document and Entity Information [Abstract]
998	crm:EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits (label)	num:percentItemType	duration			crm	EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits
999	crm:EmployeeStockPurchasePlanMember (label)	nonnum:domainItemType	duration		true	crm	EmployeeStockPurchasePlanMember Employee Stock Purchase Plan [Member]
1000	crm:EnterpriseZoneTaxCreditCarryforwardMember (label)	nonnum:domainItemType	duration		true	crm	EnterpriseZoneTaxCreditCarryforwardMember Enterprise Zone Tax Credit Carryforward [Member]
1001	crm:EquityAwardsAssumed (label)	xbrli:monetaryItemType	duration	credit		crm	EquityAwardsAssumed Equity Awards Assumed
1002	crm:FacilitiesSpaceMember (label)	nonnum:domainItemType	duration		true	crm	FacilitiesSpaceMember Facilities Space [Member]
1003	crm:FairValueOfDonatedSubscriptionsToRelatedParties (label)	xbrli:monetaryItemType	duration	debit		crm	FairValueOfDonatedSubscriptionsToRelatedParties Fair Value of Donated Subscriptions to Related Parties
1004	crm:FinancingObligationLeasedFacilityAbstract (label)	xbrli:stringItemType	duration		true	crm	FinancingObligationLeasedFacilityAbstract Financing Obligation - Leased Facility [Abstract]
1005	crm:FinancingObligationLeasedFacilityMember (label)	nonnum:domainItemType	duration		true	crm	FinancingObligationLeasedFacilityMember Financing Obligation Leased Facility [Member]
1006	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (label)	xbrli:monetaryItemType	duration	debit		crm	FinitelivedIntangibleAssetsAdditionsandRetirementsNet Finite-lived Intangible Assets, Additions and Retirements, Net
1007	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (label)	xbrli:monetaryItemType	duration	debit		crm	FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet Finite-lived Intangible Assets, Amortization Expense and Retirements, Net
1008	crm:GainLossonSaleofStrategicInvestment (label)	xbrli:monetaryItemType	duration	credit		crm	GainLossonSaleofStrategicInvestment Gain (Loss) on Sale of Strategic Investment
1009	crm:GainLossonStrategicInvestments (label)	xbrli:monetaryItemType	duration	credit		crm	GainLossonStrategicInvestments Gain (Loss) on Strategic Investments
1010	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	xbrli:monetaryItemType	duration	credit		crm	IncreaseDecreaseinCapitalizedContractCosts Increase (Decrease) in Capitalized Contract Costs
1011	crm:LoanAssumedon50FremontMember (label)	nonnum:domainItemType	duration		true	crm	LoanAssumedon50FremontMember Loan Assumed on 50 Fremont [Member]
1012	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale (label)	xbrli:monetaryItemType	duration	credit		crm	MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale Marketable Equity and Non-Marketable Debt and Equity Securities, Realized Gains (Loss) on Sale
1013	crm:MarketableSecuritiesTimeDepositsMember (label)	nonnum:domainItemType	duration		true	crm	MarketableSecuritiesTimeDepositsMember Marketable Securities, Time Deposits [Member]
1014	crm:MarketingandCommerceCloudMember (label)	nonnum:domainItemType	duration		true	crm	MarketingandCommerceCloudMember Marketing and Commerce Cloud [Member]
1015	crm:MuleSoftInc.Member (label)	nonnum:domainItemType	duration		true	crm	MuleSoftInc.Member MuleSoft Inc. [Member]
1016	crm:NonAmericasMember (label)	nonnum:domainItemType	duration		true	crm	NonAmericasMember Non Americas [Member]
1017	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration (label)	xbrli:monetaryItemType	duration	debit		crm	NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration Noncash Or Part Noncash Acquisition Noncash Financial or Equity Instrument Consideration
1018	crm:NumberCompanysBoardMembersthatHoldBoardSeatsinNonProfit (label)	xbrli:integerItemType	instant			crm	NumberCompanysBoardMembersthatHoldBoardSeatsinNonProfit Number Company's Board Members that Hold Board Seats in Non-Profit
1019	crm:NumberofBoardSeatsinFoundation (label)	xbrli:integerItemType	instant			crm	NumberofBoardSeatsinFoundation Number of Board Seats in Foundation
1020	crm:NumberofBoardSeatsinNonProfit (label)	xbrli:integerItemType	instant			crm	NumberofBoardSeatsinNonProfit Number of Board Seats in Non-Profit
1021	crm:NumberofBoardSeatsinNonProfitHeldbyCompanysEmployeesandChairman (label)	xbrli:integerItemType	instant			crm	NumberofBoardSeatsinNonProfitHeldbyCompanysEmployeesandChairman Number of Board Seats in Non-Profit Held by Company's Employees and Chairman
1022	crm:NumberofCompanysBoardMembersthatHoldBoardSeatsinFoundation (label)	xbrli:integerItemType	instant			crm	NumberofCompanysBoardMembersthatHoldBoardSeatsinFoundation Number of Company's Board Members that Hold Board Seats in Foundation
1023	crm:NumberofCompanysEmployeesthatHoldBoardSeatsinNonProfit (label)	xbrli:integerItemType	instant			crm	NumberofCompanysEmployeesthatHoldBoardSeatsinNonProfit Number of Company's Employees that Hold Board Seats in Non-Profit
1024	crm:NumberofSharesUtilizedtoCalculateDilutedNetIncome (label)	xbrli:sharesItemType	duration			crm	NumberofSharesUtilizedtoCalculateDilutedNetIncome Number of Shares Utilized to Calculate Diluted Net Income
1025	crm:NumberofWarrantsThatIncreasedComputationofNetIncomePS (label)	xbrli:sharesItemType	duration			crm	NumberofWarrantsThatIncreasedComputationofNetIncomePS Number of Warrants That Increased Computation of Net Income PS
1026	crm:NumeratorAbstract (label)	xbrli:stringItemType	duration		true	crm	NumeratorAbstract Numerator [Abstract]
1027	crm:OfficeSpaceinSanFranciscoCAMember (label)	nonnum:domainItemType	duration		true	crm	OfficeSpaceinSanFranciscoCAMember Office Space in San Francisco, CA [Member]
1028	crm:OptionsForBoardAndAdvisoryBoardMembersMember (label)	nonnum:domainItemType	duration		true	crm	OptionsForBoardAndAdvisoryBoardMembersMember Stock Grants To Board And Advisory Board Members [Member]
1029	crm:OptionsGrantedDuringPeriod (label)	xbrli:sharesItemType	duration			crm	OptionsGrantedDuringPeriod Options granted during period
1030	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies (label)	xbrli:monetaryItemType	duration	credit		crm	PaymentsForInvestmentsInPrivatelyHeldCompanies The net cash outflow associated with purchases of investments in privately-held companies
1031	crm:PaymentsforContractualCommitments (label)	xbrli:monetaryItemType	duration	credit		crm	PaymentsforContractualCommitments Payments for Contractual Commitments
1032	crm:PercentageofTaxBenefitLikelyToBeRealizedUponSettlement (label)	num:percentItemType	duration			crm	PercentageofTaxBenefitLikelyToBeRealizedUponSettlement Percentage of Tax Benefit Likely To Be Realized Upon Settlement
1033	crm:PercentofRevenueRecognizedfromUnearnedRevenueBalanceinPeriod (label)	num:percentItemType	duration			crm	PercentofRevenueRecognizedfromUnearnedRevenueBalanceinPeriod Percent of Revenue Recognized from Unearned Revenue Balance in Period
1034	crm:PrivatelyHeldSecuritiesMember (label)	nonnum:domainItemType	duration		true	crm	PrivatelyHeldSecuritiesMember Privately Held Securities [Member]
1035	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies (label)	xbrli:monetaryItemType	duration	debit		crm	ProceedsFromInvestmentsInPrivatelyHeldCompanies Proceeds From Investments In Privately Held Companies
1036	crm:ProfessionalServicesandOtherMember (label)	nonnum:domainItemType	duration		true	crm	ProfessionalServicesandOtherMember Professional Services and Other [Member]
1037	crm:PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock (label)	nonnum:textBlockItemType	duration			crm	PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock Property Plant And Equipment Estimated Useful Life [Table Text Block]
1038	crm:PubliclyTradedSecuritiesMember (label)	nonnum:domainItemType	duration		true	crm	PubliclyTradedSecuritiesMember Publicly Traded Securities [Member]
1039	crm:Range1Member (label)	nonnum:domainItemType	duration		true	crm	Range1Member Range 1 [Member]
1040	crm:Range2Member (label)	nonnum:domainItemType	duration		true	crm	Range2Member Range 2 [Member]
1041	crm:Range3Member (label)	nonnum:domainItemType	duration		true	crm	Range3Member Range 3 [Member]
1042	crm:Range4Member (label)	nonnum:domainItemType	duration		true	crm	Range4Member Range 4 [Member]
1043	crm:Range5Member (label)	nonnum:domainItemType	duration		true	crm	Range5Member Range 5 [Member]
1044	crm:Range6Member (label)	nonnum:domainItemType	duration		true	crm	Range6Member Range 6 [Member]
1045	crm:Range7Member (label)	nonnum:domainItemType	duration		true	crm	Range7Member Range 7 [Member]
1046	crm:RestrictedStockUnitActivity (label)	xbrli:sharesItemType	duration			crm	RestrictedStockUnitActivity Restricted stock unit activity
1047	crm:RevenueRemainingPerformanceObligationCurrent (label)	xbrli:monetaryItemType	instant	credit		crm	RevenueRemainingPerformanceObligationCurrent Revenue, Remaining Performance Obligation, Current
1048	crm:RevenueRemainingPerformanceObligationNoncurrent (label)	xbrli:monetaryItemType	instant	credit		crm	RevenueRemainingPerformanceObligationNoncurrent Revenue, Remaining Performance Obligation, Noncurrent
1049	crm:SalesCloudMember (label)	nonnum:domainItemType	duration		true	crm	SalesCloudMember Sales Cloud [Member]
1050	crm:SalesforcePlatformandOtherMember (label)	nonnum:domainItemType	duration		true	crm	SalesforcePlatformandOtherMember Salesforce Platform and Other [Member]
1051	crm:ScheduleOfSharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansTableTextBlock (label)	nonnum:textBlockItemType	duration			crm	ScheduleOfSharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansTableTextBlock Schedule Of Shares Of Common Stock Available For Future Issuance Under Stock Option Plans [Table Text Block]
1052	crm:ScheduleofFutureMinimumLeasePaymentsUnderCapitalLeasesandOperatingLeasesTableTextBlock (label)	nonnum:textBlockItemType	duration			crm	ScheduleofFutureMinimumLeasePaymentsUnderCapitalLeasesandOperatingLeasesTableTextBlock Schedule of Future Minimum Lease Payments Under Capital Leases and Operating Leases [Table Text Block]
1053	crm:ScheduleofStrategicInvestmentsTableTextBlock (label)	nonnum:textBlockItemType	duration			crm	ScheduleofStrategicInvestmentsTableTextBlock Schedule of Strategic Investments [Table Text Block]
1054	crm:ServiceCloudMember (label)	nonnum:domainItemType	duration		true	crm	ServiceCloudMember Service Cloud [Member]
1055	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio (label)	xbrli:pureItemType	duration			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio Share Based Compensation Arrangement By Share Based Payment Award Conversion Ratio
1056	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue (label)	xbrli:monetaryItemType	instant	debit		crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Aggregate Intrinsic Value.
1057	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber (label)	xbrli:sharesItemType	instant			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Outstanding Number
1058	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice (label)	num:perShareItemType	duration			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited in Period Weighted Average Exercise Price
1059	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice (label)	num:perShareItemType	duration			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice Share based compensation arrangement by share based payment award equity instruments other than options grants in period weighted average exercise price
1060	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	num:perShareItemType	instant			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price.
1061	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice (label)	num:perShareItemType	duration			crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice Share based compensation arrangement by share based payment award equity instruments other than options vested in period weighted average exercise price
1062	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollForward (label)	xbrli:stringItemType	duration		true	crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollForward Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Roll Forward]
1063	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward (label)	xbrli:stringItemType	duration		true	crm	ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant [Roll Forward]
1064	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationRemainingofFiscalYear (label)	xbrli:monetaryItemType	instant	credit		crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationRemainingofFiscalYear Share-based Compensation Arrangement by Share-based Payment Award, Amortization, Remaining of Fiscal Year
1065	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFive (label)	xbrli:monetaryItemType	instant	credit		crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFive Share-based Compensation Arrangement by Share-based Payment Award, Amortization, Year Five
1066	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFour (label)	xbrli:monetaryItemType	instant	credit		crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFour Share-based Compensation Arrangement by Share-based Payment Award, Amortization, Year Four
1067	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearThree (label)	xbrli:monetaryItemType	instant	credit		crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearThree Share-based Compensation Arrangement by Share-based Payment Award, Amortization, Year Three
1068	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearTwo (label)	xbrli:monetaryItemType	instant	credit		crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearTwo Share-based Compensation Arrangement by Share-based Payment Award, Amortization, Year Two
1069	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAwardOfferingPeriod (label)	xbrli:durationItemType	duration			crm	SharebasedCompensationArrangementbySharebasedPaymentAwardAwardOfferingPeriod Share-based Compensation Arrangement by Share-based Payment Award, Award Offering Period
1070	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant (label)	xbrli:sharesItemType	duration			crm	SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized, Available for Grant
1071	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePeriod (label)	xbrli:durationItemType	duration			crm	SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePeriod Share-based Compensation Arrangement by Share-based Payment Award, Purchase Period
1072	crm:ShareholderDerivativeLawsuitsMember (label)	nonnum:domainItemType	duration		true	crm	ShareholderDerivativeLawsuitsMember Shareholder Derivative Lawsuits [Member]
1073	crm:SharesAvailableForGrantCanceledDuringPeriod (label)	xbrli:sharesItemType	duration			crm	SharesAvailableForGrantCanceledDuringPeriod Shares available for grant canceled during the period
1074	crm:SharesAvailableForGrantExercised (label)	xbrli:sharesItemType	duration			crm	SharesAvailableForGrantExercised Shares Available for Grant, Exercised
1075	crm:SharesAvailableforGrantExpired (label)	xbrli:sharesItemType	duration			crm	SharesAvailableforGrantExpired Shares Available for Grant, Expired
1076	crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (label)	nonnum:domainItemType	duration		true	crm	StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember Stock available for future grant under the 2004 Employee Stock Purchase Plan
1077	crm:StockGrantsToBoardMembersForBoardServicesAndAdvisoryBoardMembers (label)	xbrli:sharesItemType	duration			crm	StockGrantsToBoardMembersForBoardServicesAndAdvisoryBoardMembers Stock grants to board and advisory board members
1078	crm:StockOptionsandRestrictedStockMember (label)	nonnum:domainItemType	duration		true	crm	StockOptionsandRestrictedStockMember Stock Options and Restricted Stock [Member]
1079	crm:StrategicInvestmentsImpairmentsandDownwardAdjustments (label)	xbrli:monetaryItemType	duration	credit		crm	StrategicInvestmentsImpairmentsandDownwardAdjustments Strategic Investments, Impairments and Downward Adjustments
1080	crm:StrategicInvestmentsNetAdditions (label)	xbrli:monetaryItemType	duration	debit		crm	StrategicInvestmentsNetAdditions Strategic Investments, Net Additions
1081	crm:StrategicInvestmentsRollForward (label)	xbrli:stringItemType	duration		true	crm	StrategicInvestmentsRollForward Strategic Investments [Roll Forward]
1082	crm:StrategicInvestmentsUpwardAdjustments (label)	xbrli:monetaryItemType	duration	debit		crm	StrategicInvestmentsUpwardAdjustments Strategic Investments, Upward Adjustments
1083	crm:SubscriptionandSupportMember (label)	nonnum:domainItemType	duration		true	crm	SubscriptionandSupportMember Subscription and Support [Member]
1084	crm:SummaryofBusinessandSignificantAccountingPoliciesLineItems (label)	xbrli:stringItemType	duration		true	crm	SummaryofBusinessandSignificantAccountingPoliciesLineItems [Line Items] for Summary of Business and Significant Accounting Policies [Table]
1085	crm:SummaryofBusinessandSignificantAccountingPoliciesTable (label)	xbrli:stringItemType	duration		true	crm	SummaryofBusinessandSignificantAccountingPoliciesTable Summary of Business and Significant Accounting Policies [Table]
1086	crm:TaxCutsandJobsActof2017AdjustmenttoIncomeTaxExpense (label)	xbrli:monetaryItemType	duration	debit		crm	TaxCutsandJobsActof2017AdjustmenttoIncomeTaxExpense Tax Cuts and Jobs Act of 2017, Adjustment to Income Tax Expense
1087	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense (label)	xbrli:monetaryItemType	duration	debit		crm	TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense
1088	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit (label)	xbrli:monetaryItemType	duration	credit		crm	TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax Benefit
1089	crm:TaxPositionsTakeinCurrentPeriodAbstract (label)	xbrli:stringItemType	duration		true	crm	TaxPositionsTakeinCurrentPeriodAbstract Tax Positions Take in Current Period [Abstract]
1090	crm:TaxPositionsTakeinPriorPeriodAbstract (label)	xbrli:stringItemType	duration		true	crm	TaxPositionsTakeinPriorPeriodAbstract Tax Positions Take in Prior Period [Abstract]
1091	crm:ThirteenCompaniesMember (label)	nonnum:domainItemType	duration		true	crm	ThirteenCompaniesMember Thirteen Companies [Member]
1092	crm:TransferredoverTimeasDeliveredMember (label)	nonnum:domainItemType	duration		true	crm	TransferredoverTimeasDeliveredMember Transferred over Time as Delivered [Member]
1093	crm:TwoCompaniesMember (label)	nonnum:domainItemType	duration		true	crm	TwoCompaniesMember Two Companies [Member]
1094	crm:TwoThousandAndFourteenInducementEquityIncentivePlanMember (label)	nonnum:domainItemType	duration		true	crm	TwoThousandAndFourteenInducementEquityIncentivePlanMember Two Thousand And Fourteen Inducement Equity Incentive Plan [Member]
1095	crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	nonnum:domainItemType	duration		true	crm	TwoThousandAndThirteenEquityIncentivePlanMember Two Thousand And Thirteen Equity Incentive Plan [Member]
1096	crm:UnearnedRevenueRollForward (label)	xbrli:stringItemType	duration		true	crm	UnearnedRevenueRollForward Unearned Revenue [Roll Forward]
1097	crm:UnrealizedLossesOnFixedRateInvestmentsUpperRangeValue (label)	xbrli:monetaryItemType	duration	debit		crm	UnrealizedLossesOnFixedRateInvestmentsUpperRangeValue Unrealized losses on fixed rate investments, upper range value.
1098	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect (label)	xbrli:monetaryItemType	duration	debit		crm	UnrecognizedTaxBenefitsCurrencyTranslationEffect Unrecognized Tax Benefits, Currency Translation Effect
1099	crm:ValueOfResourcesDonatedToRelatedParties (label)	xbrli:monetaryItemType	duration	debit		crm	ValueOfResourcesDonatedToRelatedParties Value of resources donated to related parties.
1100	crm:WorkLocationExpectedinFiscal2022Member (label)	nonnum:domainItemType	duration		true	crm	WorkLocationExpectedinFiscal2022Member Work Location Expected in Fiscal 2022 [Member]

Model Structures

Model Structure
Network	0001000 - Document - Document and Entity Information (http://salesforce.com/role/DocumentAndEntityInformation)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	crm:DocumentAndEntityInformationAbstract (label)	Abstract	duration		crm:DocumentAndEntityInformationAbstract
2	dei:DocumentType (terseLabel)	Concept (xbrli:stringItemType)	duration		dei:DocumentType
3	dei:AmendmentFlag (terseLabel)	Concept (Boolean)	duration		dei:AmendmentFlag
4	dei:DocumentPeriodEndDate (terseLabel)	Concept (Date)	duration		dei:DocumentPeriodEndDate
5	dei:DocumentFiscalYearFocus (terseLabel)	Concept (gYear)	duration		dei:DocumentFiscalYearFocus
6	dei:DocumentFiscalPeriodFocus (terseLabel)	Concept (xbrli:tokenItemType)	duration		dei:DocumentFiscalPeriodFocus
7	dei:EntityRegistrantName (terseLabel)	Concept (String-Normalized)	duration		dei:EntityRegistrantName
8	dei:EntityCentralIndexKey (terseLabel)	Concept (xbrli:tokenItemType)	duration		dei:EntityCentralIndexKey
9	dei:CurrentFiscalYearEndDate (terseLabel)	Concept (gMonthDay)	duration		dei:CurrentFiscalYearEndDate
10	dei:EntityFilerCategory (terseLabel)	Concept (xbrli:stringItemType)	duration		dei:EntityFilerCategory
11	dei:EntityEmergingGrowthCompany (terseLabel)	Concept (Boolean)	duration		dei:EntityEmergingGrowthCompany
12	dei:EntitySmallBusiness (terseLabel)	Concept (Boolean)	duration		dei:EntitySmallBusiness
13	dei:EntityCommonStockSharesOutstanding (terseLabel)	Concept (Shares)	instant		dei:EntityCommonStockSharesOutstanding
14	dei:EntityShellCompany (terseLabel)	Concept (Boolean)	duration		dei:EntityShellCompany
15	dei:EntityCurrentReportingStatus (terseLabel)	Concept (xbrli:tokenItemType)	duration		dei:EntityCurrentReportingStatus
16	dei:EntityWellKnownSeasonedIssuer (terseLabel)	Concept (xbrli:tokenItemType)	duration		dei:EntityWellKnownSeasonedIssuer
17	dei:EntityVoluntaryFilers (terseLabel)	Concept (xbrli:tokenItemType)	duration		dei:EntityVoluntaryFilers
18	dei:EntityPublicFloat (terseLabel)	Concept (Monetary)	instant	credit	dei:EntityPublicFloat

Model Structure
Network	1001000 - Statement - Condensed Consolidated Balance Sheets (http://salesforce.com/role/CondensedConsolidatedBalanceSheets)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Statement of Financial Position [Abstract]	Abstract	duration		us-gaap:StatementOfFinancialPositionAbstract
2	us-gaap:AssetsAbstract (terseLabel)	Abstract	duration		us-gaap:AssetsAbstract
3	us-gaap:AssetsCurrentAbstract (terseLabel)	Abstract	duration		us-gaap:AssetsCurrentAbstract
4	Cash and cash equivalents	Concept (Monetary)	instant	debit	us-gaap:CashAndCashEquivalentsAtCarryingValue
5	us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent (verboseLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
6	Accounts receivable, net of allowance for doubtful accounts of $22 and $21 at January 31, 2019 and 2018, respectively	Concept (Monetary)	instant	debit	us-gaap:AccountsReceivableNetCurrent
7	us-gaap:CapitalizedContractCostNetCurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedContractCostNetCurrent
8	us-gaap:PrepaidExpenseAndOtherAssetsCurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:PrepaidExpenseAndOtherAssetsCurrent
9	us-gaap:AssetsCurrent (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:AssetsCurrent
10	us-gaap:PropertyPlantAndEquipmentNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:PropertyPlantAndEquipmentNet
11	us-gaap:CapitalizedContractCostNetNoncurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedContractCostNetNoncurrent
12	us-gaap:CapitalizedComputerSoftwareNet (verboseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedComputerSoftwareNet
13	Strategic investments	Concept (Monetary)	instant	debit	us-gaap:OtherLongTermInvestments
14	Goodwill	Concept (Monetary)	instant	debit	us-gaap:Goodwill
15	us-gaap:IntangibleAssetsNetExcludingGoodwill (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:IntangibleAssetsNetExcludingGoodwill
16	us-gaap:OtherAssetsNoncurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:OtherAssetsNoncurrent
17	us-gaap:Assets (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:Assets
18	us-gaap:LiabilitiesAndStockholdersEquityAbstract (terseLabel)	Abstract	duration		us-gaap:LiabilitiesAndStockholdersEquityAbstract
19	us-gaap:LiabilitiesCurrentAbstract (terseLabel)	Abstract	duration		us-gaap:LiabilitiesCurrentAbstract
20	us-gaap:AccountsPayableCurrent (verboseLabel)	Concept (Monetary)	instant	credit	us-gaap:AccountsPayableCurrent
21	Accrued compensation	Concept (Monetary)	instant	credit	us-gaap:EmployeeRelatedLiabilitiesCurrent
22	us-gaap:AccruedLiabilitiesCurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AccruedLiabilitiesCurrent
23	us-gaap:ContractWithCustomerLiabilityCurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:ContractWithCustomerLiabilityCurrent
24	us-gaap:LongTermDebtCurrent (verboseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtCurrent
25	us-gaap:LiabilitiesCurrent (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:LiabilitiesCurrent
26	us-gaap:LongTermDebtNoncurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtNoncurrent
27	us-gaap:OtherLiabilitiesNoncurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherLiabilitiesNoncurrent
28	us-gaap:Liabilities (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:Liabilities
29	us-gaap:CommitmentsAndContingencies (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CommitmentsAndContingencies
30	us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract (terseLabel)	Abstract	duration		us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract
31	us-gaap:PreferredStockValue (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:PreferredStockValue
32	us-gaap:CommonStockValue (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CommonStockValue
33	us-gaap:AdditionalPaidInCapitalCommonStock (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AdditionalPaidInCapitalCommonStock
34	us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
35	us-gaap:RetainedEarningsAccumulatedDeficit (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:RetainedEarningsAccumulatedDeficit
36	Total stockholders’ equity	Concept (Monetary)	instant	credit	us-gaap:StockholdersEquity
37	us-gaap:LiabilitiesAndStockholdersEquity (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:LiabilitiesAndStockholdersEquity

Model Structure
Network	1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) (http://salesforce.com/role/CondensedConsolidatedBalanceSheetsParenthetical)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Statement of Financial Position [Abstract]	Abstract	duration		us-gaap:StatementOfFinancialPositionAbstract
2	us-gaap:AllowanceForDoubtfulAccountsReceivable (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AllowanceForDoubtfulAccountsReceivable
3	us-gaap:PreferredStockParOrStatedValuePerShare (terseLabel)	Concept (Per-Share)	instant		us-gaap:PreferredStockParOrStatedValuePerShare
4	us-gaap:PreferredStockSharesAuthorized (terseLabel)	Concept (Shares)	instant		us-gaap:PreferredStockSharesAuthorized
5	us-gaap:PreferredStockSharesIssued (terseLabel)	Concept (Shares)	instant		us-gaap:PreferredStockSharesIssued
6	us-gaap:PreferredStockSharesOutstanding (terseLabel)	Concept (Shares)	instant		us-gaap:PreferredStockSharesOutstanding
7	us-gaap:CommonStockParOrStatedValuePerShare (terseLabel)	Concept (Per-Share)	instant		us-gaap:CommonStockParOrStatedValuePerShare
8	us-gaap:CommonStockSharesAuthorized (terseLabel)	Concept (Shares)	instant		us-gaap:CommonStockSharesAuthorized
9	us-gaap:CommonStockSharesIssued (terseLabel)	Concept (Shares)	instant		us-gaap:CommonStockSharesIssued
10	us-gaap:CommonStockSharesOutstanding (terseLabel)	Concept (Shares)	instant		us-gaap:CommonStockSharesOutstanding

Model Structure
Network	1002000 - Statement - Condensed Consolidated Statements of Operations (http://salesforce.com/role/CondensedConsolidatedStatementsOfOperations)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Statement [Abstract]	Abstract	duration		us-gaap:IncomeStatementAbstract
2	us-gaap:StatementTable (terseLabel)	Table	duration		us-gaap:StatementTable
3	srt:ProductOrServiceAxis (terseLabel)	Axis	duration		srt:ProductOrServiceAxis
4	srt:ProductsAndServicesDomain (terseLabel)	Member	duration		srt:ProductsAndServicesDomain
5	crm:SubscriptionandSupportMember (terseLabel)	Member	duration		crm:SubscriptionandSupportMember
6	crm:ProfessionalServicesandOtherMember (terseLabel)	Member	duration		crm:ProfessionalServicesandOtherMember
7	us-gaap:StatementLineItems (terseLabel)	LineItems	duration		us-gaap:StatementLineItems
8	us-gaap:RevenuesAbstract (terseLabel)	Abstract	duration		us-gaap:RevenuesAbstract
9	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
10	us-gaap:CostOfRevenueAbstract (terseLabel)	Abstract	duration		us-gaap:CostOfRevenueAbstract
11	us-gaap:CostOfGoodsAndServicesSold (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CostOfGoodsAndServicesSold
12	us-gaap:GrossProfit (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:GrossProfit
13	us-gaap:OperatingExpensesAbstract (terseLabel)	Abstract	duration		us-gaap:OperatingExpensesAbstract
14	us-gaap:ResearchAndDevelopmentExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ResearchAndDevelopmentExpense
15	us-gaap:SellingAndMarketingExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:SellingAndMarketingExpense
16	us-gaap:GeneralAndAdministrativeExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:GeneralAndAdministrativeExpense
17	us-gaap:OperatingExpenses (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:OperatingExpenses
18	us-gaap:OperatingIncomeLoss (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:OperatingIncomeLoss
19	us-gaap:InvestmentIncomeNet (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:InvestmentIncomeNet
20	us-gaap:InterestExpense (negatedLabel)	Concept (Monetary)	duration	debit	us-gaap:InterestExpense
21	us-gaap:GainLossOnInvestments (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:GainLossOnInvestments
22	us-gaap:OtherNonoperatingIncomeExpense (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherNonoperatingIncomeExpense
23	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
24	us-gaap:IncomeTaxExpenseBenefit (negatedLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxExpenseBenefit
25	us-gaap:NetIncomeLoss (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
26	us-gaap:EarningsPerShareBasic (terseLabel)	Concept (Per-Share)	duration		us-gaap:EarningsPerShareBasic
27	us-gaap:EarningsPerShareDiluted (terseLabel)	Concept (Per-Share)	duration		us-gaap:EarningsPerShareDiluted
28	us-gaap:WeightedAverageNumberOfSharesOutstandingBasic (terseLabel)	Concept (Shares)	duration		us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
29	us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding (terseLabel)	Concept (Shares)	duration		us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

Model Structure
Network	1002501 - Statement - Condensed Consolidated Statements of Operations (Parenthetical) (http://salesforce.com/role/CondensedConsolidatedStatementsOfOperationsParenthetical)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Statement [Abstract]	Abstract	duration		us-gaap:IncomeStatementAbstract
2	us-gaap:StatementTable (terseLabel)	Table	duration		us-gaap:StatementTable
3	us-gaap:IncomeStatementLocationAxis (terseLabel)	Axis	duration		us-gaap:IncomeStatementLocationAxis
4	us-gaap:IncomeStatementLocationDomain (terseLabel)	Member	duration		us-gaap:IncomeStatementLocationDomain
5	us-gaap:CostOfSalesMember (terseLabel)	Member	duration		us-gaap:CostOfSalesMember
6	us-gaap:SellingAndMarketingExpenseMember (terseLabel)	Member	duration		us-gaap:SellingAndMarketingExpenseMember
7	us-gaap:ResearchAndDevelopmentExpenseMember (terseLabel)	Member	duration		us-gaap:ResearchAndDevelopmentExpenseMember
8	us-gaap:GeneralAndAdministrativeExpenseMember (terseLabel)	Member	duration		us-gaap:GeneralAndAdministrativeExpenseMember
9	us-gaap:StatementLineItems (terseLabel)	LineItems	duration		us-gaap:StatementLineItems
10	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (terseLabel)	Concept (Monetary)	duration	debit	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations
11	us-gaap:ShareBasedCompensation (verboseLabel)	Concept (Monetary)	duration	debit	us-gaap:ShareBasedCompensation
12	us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount (negatedTerseLabel)	Concept (Monetary)	duration	credit	us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

Model Structure
Network	1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income (http://salesforce.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Statement of Comprehensive Income [Abstract]	Abstract	duration		us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract
2	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
3	us-gaap:OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract (terseLabel)	Abstract	duration		us-gaap:OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract
4	us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax
5	us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
6	us-gaap:OtherComprehensiveIncomeLossBeforeTax (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherComprehensiveIncomeLossBeforeTax
7	us-gaap:OtherComprehensiveIncomeLossTax (negatedLabel)	Concept (Monetary)	duration	debit	us-gaap:OtherComprehensiveIncomeLossTax
8	us-gaap:OtherComprehensiveIncomeLossNetOfTax (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherComprehensiveIncomeLossNetOfTax
9	us-gaap:ComprehensiveIncomeNetOfTax (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:ComprehensiveIncomeNetOfTax

Model Structure
Network	1004000 - Statement - Condensed Consolidated Statements of Stockholders’ Equity (http://salesforce.com/role/CondensedConsolidatedStatementsOfStockholdersEquity)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Statement of Stockholders' Equity [Abstract]	Abstract	duration		us-gaap:StatementOfStockholdersEquityAbstract
2	us-gaap:StatementTable (terseLabel)	Table	duration		us-gaap:StatementTable
3	us-gaap:StatementEquityComponentsAxis (terseLabel)	Axis	duration		us-gaap:StatementEquityComponentsAxis
4	us-gaap:EquityComponentDomain (terseLabel)	Member	duration		us-gaap:EquityComponentDomain
5	us-gaap:CommonStockMember (terseLabel)	Member	duration		us-gaap:CommonStockMember
6	us-gaap:AdditionalPaidInCapitalMember (terseLabel)	Member	duration		us-gaap:AdditionalPaidInCapitalMember
7	us-gaap:AccumulatedOtherComprehensiveIncomeMember (terseLabel)	Member	duration		us-gaap:AccumulatedOtherComprehensiveIncomeMember
8	us-gaap:RetainedEarningsMember (terseLabel)	Member	duration		us-gaap:RetainedEarningsMember
9	us-gaap:StatementLineItems (terseLabel)	LineItems	duration		us-gaap:StatementLineItems
10	us-gaap:IncreaseDecreaseInStockholdersEquityRollForward (terseLabel)	Abstract	duration		us-gaap:IncreaseDecreaseInStockholdersEquityRollForward
11	us-gaap:SharesOutstanding (periodStartLabel)	Concept (Shares)	instant		us-gaap:SharesOutstanding
12	us-gaap:StockholdersEquity (periodStartLabel)	Concept (Monetary)	instant	credit	us-gaap:StockholdersEquity
13	us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
14	Common stock issued (in shares)	Concept (Shares)	duration		us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
15	us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
16	us-gaap:StockIssuedDuringPeriodSharesAcquisitions (terseLabel)	Concept (Shares)	duration		us-gaap:StockIssuedDuringPeriodSharesAcquisitions
17	us-gaap:StockIssuedDuringPeriodValueAcquisitions (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:StockIssuedDuringPeriodValueAcquisitions
18	us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
19	us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities (terseLabel)	Concept (Shares)	duration		us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
20	us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities (verboseLabel)	Concept (Monetary)	duration	credit	us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
21	us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
22	us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
23	us-gaap:CumulativeEffectOnRetainedEarningsTax1 (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CumulativeEffectOnRetainedEarningsTax1
24	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
25	Ending balance (in shares)	Concept (Shares)	instant		us-gaap:SharesOutstanding
26	Ending balance	Concept (Monetary)	instant	credit	us-gaap:StockholdersEquity

Model Structure
Network	1005000 - Statement - Condensed Consolidated Statements of Cash Flows (http://salesforce.com/role/CondensedConsolidatedStatementsOfCashFlows)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Statement of Cash Flows [Abstract]	Abstract	duration		us-gaap:StatementOfCashFlowsAbstract
2	us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract (terseLabel)	Abstract	duration		us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract
3	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
4	us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract (terseLabel)	Abstract	duration		us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
5	us-gaap:DepreciationAndAmortization (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:DepreciationAndAmortization
6	us-gaap:AmortizationOfFinancingCostsAndDiscounts (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AmortizationOfFinancingCostsAndDiscounts
7	us-gaap:CapitalizedContractCostAmortization (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CapitalizedContractCostAmortization
8	Expenses related to employee stock plans	Concept (Monetary)	duration	debit	us-gaap:ShareBasedCompensation
9	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale (negatedLabel)	Concept (Monetary)	duration	credit	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale
10	us-gaap:IncreaseDecreaseInOperatingCapitalAbstract (terseLabel)	Abstract	duration		us-gaap:IncreaseDecreaseInOperatingCapitalAbstract
11	us-gaap:IncreaseDecreaseInAccountsReceivable (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:IncreaseDecreaseInAccountsReceivable
12	crm:IncreaseDecreaseinCapitalizedContractCosts (negatedLabel)	Concept (Monetary)	duration	credit	crm:IncreaseDecreaseinCapitalizedContractCosts
13	us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
14	us-gaap:IncreaseDecreaseInAccountsPayable (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncreaseDecreaseInAccountsPayable
15	us-gaap:IncreaseDecreaseInAccruedLiabilities (verboseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncreaseDecreaseInAccruedLiabilities
16	us-gaap:IncreaseDecreaseInContractWithCustomerLiability (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncreaseDecreaseInContractWithCustomerLiability
17	us-gaap:NetCashProvidedByUsedInOperatingActivities (totalLabel)	Concept (Monetary)	duration		us-gaap:NetCashProvidedByUsedInOperatingActivities
18	us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract (terseLabel)	Abstract	duration		us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract
19	us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
20	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies (negatedLabel)	Concept (Monetary)	duration	credit	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies
21	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies (terseLabel)	Concept (Monetary)	duration	debit	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies
22	us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
23	us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
24	us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
25	us-gaap:PaymentsToAcquirePropertyPlantAndEquipment (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
26	us-gaap:NetCashProvidedByUsedInInvestingActivities (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:NetCashProvidedByUsedInInvestingActivities
27	us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract (terseLabel)	Abstract	duration		us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract
28	us-gaap:ProceedsFromIssuanceOfMediumTermNotes (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ProceedsFromIssuanceOfMediumTermNotes
29	us-gaap:ProceedsFromStockPlans (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ProceedsFromStockPlans
30	us-gaap:RepaymentsOfLongTermCapitalLeaseObligations (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
31	us-gaap:RepaymentsOfLongTermLinesOfCredit (negatedLabel)	Concept (Monetary)	duration	credit	us-gaap:RepaymentsOfLongTermLinesOfCredit
32	us-gaap:NetCashProvidedByUsedInFinancingActivities (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:NetCashProvidedByUsedInFinancingActivities
33	us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents
34	us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease
35	us-gaap:CashAndCashEquivalentsAtCarryingValue (periodStartLabel)	Concept (Monetary)	instant	debit	us-gaap:CashAndCashEquivalentsAtCarryingValue
36	Cash and cash equivalents, end of period	Concept (Monetary)	instant	debit	us-gaap:CashAndCashEquivalentsAtCarryingValue
37	us-gaap:SupplementalCashFlowInformationAbstract (terseLabel)	Abstract	duration		us-gaap:SupplementalCashFlowInformationAbstract
38	crm:CashPaidDuringPeriodForAbstract (terseLabel)	Abstract	duration		crm:CashPaidDuringPeriodForAbstract
39	us-gaap:InterestPaid (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:InterestPaid
40	us-gaap:IncomeTaxesPaidNet (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeTaxesPaidNet
41	us-gaap:NoncashInvestingAndFinancingItemsAbstract (terseLabel)	Abstract	duration		us-gaap:NoncashInvestingAndFinancingItemsAbstract
42	crm:EquityAwardsAssumed (terseLabel)	Concept (Monetary)	duration	credit	crm:EquityAwardsAssumed
43	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration (terseLabel)	Concept (Monetary)	duration	debit	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration

Model Structure
Network	2101100 - Disclosure - Summary of Business and Significant Accounting Policies (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPolicies)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Accounting Policies [Abstract]	Abstract	duration		us-gaap:AccountingPoliciesAbstract
2	us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock

Model Structure
Network	2102100 - Disclosure - Revenues (http://salesforce.com/role/Revenues)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Revenue from Contract with Customer [Abstract]	Abstract	duration		us-gaap:RevenueFromContractWithCustomerAbstract
2	us-gaap:RevenueFromContractWithCustomerTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:RevenueFromContractWithCustomerTextBlock

Model Structure
Network	2103100 - Disclosure - Investments (http://salesforce.com/role/Investments)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:FinancialInstrumentsDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:FinancialInstrumentsDisclosureTextBlock

Model Structure
Network	2104100 - Disclosure - Derivatives (http://salesforce.com/role/Derivatives)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Derivative Instruments and Hedging Activities Disclosure [Abstract]	Abstract	duration		us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
2	us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock

Model Structure
Network	2105100 - Disclosure - Fair Value Measurement (http://salesforce.com/role/FairValueMeasurement)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Fair Value Disclosures [Abstract]	Abstract	duration		us-gaap:FairValueDisclosuresAbstract
2	us-gaap:FairValueDisclosuresTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:FairValueDisclosuresTextBlock

Model Structure
Network	2106100 - Disclosure - Property and Equipment (http://salesforce.com/role/PropertyAndEquipment)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Property, Plant and Equipment [Abstract]	Abstract	duration		us-gaap:PropertyPlantAndEquipmentAbstract
2	us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock

Model Structure
Network	2107100 - Disclosure - Business Combinations (http://salesforce.com/role/BusinessCombinations)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:BusinessCombinationDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:BusinessCombinationDisclosureTextBlock

Model Structure
Network	2108100 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwill)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Goodwill and Intangible Assets Disclosure [Abstract]	Abstract	duration		us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract
2	us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock

Model Structure
Network	2109100 - Disclosure - Debt (http://salesforce.com/role/Debt)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:DebtDisclosureTextBlock

Model Structure
Network	2110100 - Disclosure - Income Taxes (http://salesforce.com/role/IncomeTaxes)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:IncomeTaxDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:IncomeTaxDisclosureTextBlock

Model Structure
Network	2111100 - Disclosure - Earnings Per Share (http://salesforce.com/role/EarningsPerShare)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Earnings Per Share [Abstract]	Abstract	duration		us-gaap:EarningsPerShareAbstract
2	us-gaap:EarningsPerShareTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:EarningsPerShareTextBlock

Model Structure
Network	2111100 - Disclosure - Stockholders' Equity (http://salesforce.com/role/StockholdersEquity)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Equity [Abstract]	Abstract	duration		us-gaap:EquityAbstract
2	us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock

Model Structure
Network	2112100 - Disclosure - Commitments (http://salesforce.com/role/Commitments)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration		us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	us-gaap:CommitmentsDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:CommitmentsDisclosureTextBlock

Model Structure
Network	2113100 - Disclosure - Employee Benefit Plan (http://salesforce.com/role/EmployeeBenefitPlan)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	Abstract	duration		us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
2	us-gaap:CompensationAndEmployeeBenefitPlansTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:CompensationAndEmployeeBenefitPlansTextBlock

Model Structure
Network	2114100 - Disclosure - Legal Proceedings and Claims (http://salesforce.com/role/LegalProceedingsAndClaims)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration		us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	us-gaap:LegalMattersAndContingenciesTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:LegalMattersAndContingenciesTextBlock

Model Structure
Network	2115100 - Disclosure - Related-Party Transactions (http://salesforce.com/role/RelatedPartyTransactions)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Related Party Transactions [Abstract]	Abstract	duration		us-gaap:RelatedPartyTransactionsAbstract
2	us-gaap:RelatedPartyTransactionsDisclosureTextBlock (verboseLabel)	Concept (TextBlock)	duration		us-gaap:RelatedPartyTransactionsDisclosureTextBlock

Model Structure
Network	2116100 - Disclosure - Selected Quarterly Financial Data (Unaudited) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnaudited)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Quarterly Financial Information Disclosure [Abstract]	Abstract	duration		us-gaap:QuarterlyFinancialInformationDisclosureAbstract
2	us-gaap:QuarterlyFinancialInformationTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:QuarterlyFinancialInformationTextBlock

Model Structure
Network	2117100 - Schedule - Schedule II Valuation and Qualifying Accounts (http://salesforce.com/role/ScheduleIiValuationAndQualifyingAccounts)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]	Abstract	duration		srt:ValuationAndQualifyingAccountsAbstract
2	srt:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock (terseLabel)	Concept (TextBlock)	duration		srt:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock

Model Structure
Network	2201201 - Disclosure - Summary of Business and Significant Accounting Policies (Policies) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesPolicies)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Accounting Policies [Abstract]	Abstract	duration	us-gaap:AccountingPoliciesAbstract
2	us-gaap:FiscalPeriod (terseLabel)	Concept (TextBlock)	duration	us-gaap:FiscalPeriod
3	us-gaap:UseOfEstimates (terseLabel)	Concept (TextBlock)	duration	us-gaap:UseOfEstimates
4	us-gaap:ConsolidationPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ConsolidationPolicyTextBlock
5	us-gaap:SegmentReportingPolicyPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:SegmentReportingPolicyPolicyTextBlock
6	us-gaap:ConcentrationRiskCreditRisk (terseLabel)	Concept (TextBlock)	duration	us-gaap:ConcentrationRiskCreditRisk
7	us-gaap:RevenueFromContractWithCustomerPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:RevenueFromContractWithCustomerPolicyTextBlock
8	us-gaap:CashAndCashEquivalentsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:CashAndCashEquivalentsPolicyTextBlock
9	us-gaap:MarketableSecuritiesPolicy (terseLabel)	Concept (TextBlock)	duration	us-gaap:MarketableSecuritiesPolicy
10	us-gaap:InvestmentPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:InvestmentPolicyTextBlock
11	us-gaap:DerivativesPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:DerivativesPolicyTextBlock
12	us-gaap:FairValueOfFinancialInstrumentsPolicy (terseLabel)	Concept (TextBlock)	duration	us-gaap:FairValueOfFinancialInstrumentsPolicy
13	us-gaap:PropertyPlantAndEquipmentPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:PropertyPlantAndEquipmentPolicyTextBlock
14	us-gaap:ResearchDevelopmentAndComputerSoftwarePolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ResearchDevelopmentAndComputerSoftwarePolicyTextBlock
15	us-gaap:GoodwillAndIntangibleAssetsIntangibleAssetsPolicy (terseLabel)	Concept (TextBlock)	duration	us-gaap:GoodwillAndIntangibleAssetsIntangibleAssetsPolicy
16	us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock
17	us-gaap:BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock
18	us-gaap:LesseeLeasesPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:LesseeLeasesPolicyTextBlock
19	us-gaap:CompensationRelatedCostsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:CompensationRelatedCostsPolicyTextBlock
20	us-gaap:AdvertisingCostsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:AdvertisingCostsPolicyTextBlock
21	us-gaap:IncomeTaxPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:IncomeTaxPolicyTextBlock
22	us-gaap:ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock
23	us-gaap:CommitmentsAndContingenciesPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:CommitmentsAndContingenciesPolicyTextBlock
24	us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock
25	us-gaap:PriorPeriodReclassificationAdjustmentDescription (terseLabel)	Concept (TextBlock)	duration	us-gaap:PriorPeriodReclassificationAdjustmentDescription

Model Structure
Network	2301302 - Disclosure - Summary of Business and Significant Accounting Policies (Tables) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Accounting Policies [Abstract]	Abstract	duration	us-gaap:AccountingPoliciesAbstract
2	crm:PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock (terseLabel)	Concept (TextBlock)	duration	crm:PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock
3	us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock

Model Structure
Network	2302301 - Disclosure - Revenues (Tables) (http://salesforce.com/role/RevenuesTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Revenue from Contract with Customer [Abstract]	Abstract	duration	us-gaap:RevenueFromContractWithCustomerAbstract
2	us-gaap:DisaggregationOfRevenueTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:DisaggregationOfRevenueTableTextBlock
3	us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock
4	us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock

Model Structure
Network	2303301 - Disclosure - Investments (Tables) (http://salesforce.com/role/InvestmentsTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration	us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
3	us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock
4	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
5	us-gaap:ScheduleOfOtherNonoperatingIncomeByComponentTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfOtherNonoperatingIncomeByComponentTextBlock
6	crm:ScheduleofStrategicInvestmentsTableTextBlock (terseLabel)	Concept (TextBlock)	duration	crm:ScheduleofStrategicInvestmentsTableTextBlock

Model Structure
Network	2304301 - Disclosure - Derivatives (Tables) (http://salesforce.com/role/DerivativesTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Derivative Instruments and Hedging Activities Disclosure [Abstract]	Abstract	duration	us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
2	us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock
3	us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
4	us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock

Model Structure
Network	2305301 - Disclosure - Fair Value Measurement (Tables) (http://salesforce.com/role/FairValueMeasurementTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Fair Value Disclosures [Abstract]	Abstract	duration		us-gaap:FairValueDisclosuresAbstract
2	us-gaap:FairValueByBalanceSheetGroupingTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:FairValueByBalanceSheetGroupingTextBlock

Model Structure
Network	2306301 - Disclosure - Property and Equipment (Tables) (http://salesforce.com/role/PropertyAndEquipmentTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Property, Plant and Equipment [Abstract]	Abstract	duration		us-gaap:PropertyPlantAndEquipmentAbstract
2	us-gaap:PropertyPlantAndEquipmentTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:PropertyPlantAndEquipmentTextBlock

Model Structure
Network	2307301 - Disclosure - Business Combinations (Tables) (http://salesforce.com/role/BusinessCombinationsTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Business Combinations [Abstract]	Abstract	duration	us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock
3	us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock
4	us-gaap:ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock
5	us-gaap:BusinessAcquisitionProFormaInformationTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:BusinessAcquisitionProFormaInformationTextBlock

Model Structure
Network	2308301 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Tables) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Goodwill and Intangible Assets Disclosure [Abstract]	Abstract	duration	us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract
2	us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock
3	us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
4	us-gaap:ScheduleOfGoodwillTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfGoodwillTextBlock

Model Structure
Network	2309301 - Disclosure - Debt (Tables) (http://salesforce.com/role/DebtTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Debt Disclosure [Abstract]	Abstract	duration	us-gaap:DebtDisclosureAbstract
2	us-gaap:ScheduleOfDebtInstrumentsTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfDebtInstrumentsTextBlock
3	us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
4	us-gaap:InterestIncomeAndInterestExpenseDisclosureTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:InterestIncomeAndInterestExpenseDisclosureTableTextBlock

Model Structure
Network	2310301 - Disclosure - Income Taxes (Tables) (http://salesforce.com/role/IncomeTaxesTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration	us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
3	us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
4	us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
5	us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
6	us-gaap:SummaryOfIncomeTaxContingenciesTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:SummaryOfIncomeTaxContingenciesTextBlock

Model Structure
Network	2311301 - Disclosure - Earnings Per Share (Tables) (http://salesforce.com/role/EarningsPerShareTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Earnings Per Share [Abstract]	Abstract	duration	us-gaap:EarningsPerShareAbstract
2	us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
3	us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock

Model Structure
Network	2311301 - Disclosure - Stockholders' Equity (Tables) (http://salesforce.com/role/StockholdersEquityTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Equity [Abstract]	Abstract	duration	us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
3	us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
4	us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
5	us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock (terseLabel)	Concept (TextBlock)	duration	us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
6	crm:ScheduleOfSharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansTableTextBlock (terseLabel)	Concept (TextBlock)	duration	crm:ScheduleOfSharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansTableTextBlock

Model Structure
Network	2312301 - Disclosure - Commitments (Tables) (http://salesforce.com/role/CommitmentsTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration		us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	crm:ScheduleofFutureMinimumLeasePaymentsUnderCapitalLeasesandOperatingLeasesTableTextBlock (terseLabel)	Concept (TextBlock)	duration		crm:ScheduleofFutureMinimumLeasePaymentsUnderCapitalLeasesandOperatingLeasesTableTextBlock

Model Structure
Network	2316301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnauditedTables)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Quarterly Financial Information Disclosure [Abstract]	Abstract	duration		us-gaap:QuarterlyFinancialInformationDisclosureAbstract
2	us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock (terseLabel)	Concept (TextBlock)	duration		us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock

Model Structure
Network	2401403 - Disclosure - Summary of Business and Significant Accounting Policies - Additional Information (Detail) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesAdditionalInformationDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Accounting Policies [Abstract]	Abstract	duration		us-gaap:AccountingPoliciesAbstract
2	crm:SummaryofBusinessandSignificantAccountingPoliciesTable (terseLabel)	Table	duration		crm:SummaryofBusinessandSignificantAccountingPoliciesTable
3	srt:StatementGeographicalAxis (terseLabel)	Axis	duration		srt:StatementGeographicalAxis
4	srt:SegmentGeographicalDomain (terseLabel)	Member	duration		srt:SegmentGeographicalDomain
5	crm:NonAmericasMember (terseLabel)	Member	duration		crm:NonAmericasMember
6	country:US (terseLabel)	Member	duration		country:US
7	srt:RangeAxis (terseLabel)	Axis	duration		srt:RangeAxis
8	srt:RangeMember (terseLabel)	Member	duration		srt:RangeMember
9	srt:MinimumMember (terseLabel)	Member	duration		srt:MinimumMember
10	srt:MaximumMember (terseLabel)	Member	duration		srt:MaximumMember
11	us-gaap:ConcentrationRiskByBenchmarkAxis (terseLabel)	Axis	duration		us-gaap:ConcentrationRiskByBenchmarkAxis
12	us-gaap:ConcentrationRiskBenchmarkDomain (terseLabel)	Member	duration		us-gaap:ConcentrationRiskBenchmarkDomain
13	us-gaap:AssetsTotalMember (terseLabel)	Member	duration		us-gaap:AssetsTotalMember
14	us-gaap:ConcentrationRiskByTypeAxis (terseLabel)	Axis	duration		us-gaap:ConcentrationRiskByTypeAxis
15	us-gaap:ConcentrationRiskTypeDomain (terseLabel)	Member	duration		us-gaap:ConcentrationRiskTypeDomain
16	us-gaap:GeographicConcentrationRiskMember (terseLabel)	Member	duration		us-gaap:GeographicConcentrationRiskMember
17	us-gaap:AwardTypeAxis (terseLabel)	Axis	duration		us-gaap:AwardTypeAxis
18	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain (terseLabel)	Member	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain
19	crm:StockOptionsandRestrictedStockMember (terseLabel)	Member	duration		crm:StockOptionsandRestrictedStockMember
20	us-gaap:PerformanceSharesMember (terseLabel)	Member	duration		us-gaap:PerformanceSharesMember
21	us-gaap:RestrictedStockMember (terseLabel)	Member	duration		us-gaap:RestrictedStockMember
22	us-gaap:AdjustmentsForNewAccountingPronouncementsAxis (terseLabel)	Axis	duration		us-gaap:AdjustmentsForNewAccountingPronouncementsAxis
23	us-gaap:TypeOfAdoptionMember (terseLabel)	Member	duration		us-gaap:TypeOfAdoptionMember
24	us-gaap:AccountingStandardsUpdate201601Member (terseLabel)	Member	duration		us-gaap:AccountingStandardsUpdate201601Member
25	us-gaap:AccountingStandardsUpdate201616Member (terseLabel)	Member	duration		us-gaap:AccountingStandardsUpdate201616Member
26	us-gaap:StatementEquityComponentsAxis (terseLabel)	Axis	duration		us-gaap:StatementEquityComponentsAxis
27	us-gaap:EquityComponentDomain (terseLabel)	Member	duration		us-gaap:EquityComponentDomain
28	us-gaap:RetainedEarningsMember (terseLabel)	Member	duration		us-gaap:RetainedEarningsMember
29	crm:SummaryofBusinessandSignificantAccountingPoliciesLineItems (terseLabel)	LineItems	duration		crm:SummaryofBusinessandSignificantAccountingPoliciesLineItems
30	us-gaap:NumberOfOperatingSegments (terseLabel)	Concept (Integer)	duration		us-gaap:NumberOfOperatingSegments
31	us-gaap:ConcentrationRiskPercentage1 (terseLabel)	Concept (Percent)	duration		us-gaap:ConcentrationRiskPercentage1
32	crm:CapitalizedContractCostAmortizationTerm (terseLabel)	Concept (Duration)	duration		crm:CapitalizedContractCostAmortizationTerm
33	crm:CapitalizedContractCostRenewalsandSuccessFeesAmortizationTerm (terseLabel)	Concept (Duration)	duration		crm:CapitalizedContractCostRenewalsandSuccessFeesAmortizationTerm
34	crm:IncreaseDecreaseinCapitalizedContractCosts (negatedLabel)	Concept (Monetary)	duration	credit	crm:IncreaseDecreaseinCapitalizedContractCosts
35	us-gaap:CapitalizedContractCostAmortization (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CapitalizedContractCostAmortization
36	us-gaap:CapitalizedContractCostNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedContractCostNet
37	us-gaap:ImpairmentOfLongLivedAssetsHeldForUse (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ImpairmentOfLongLivedAssetsHeldForUse
38	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 (terseLabel)	Concept (Duration)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
39	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAwardOfferingPeriod (terseLabel)	Concept (Duration)	duration		crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAwardOfferingPeriod
40	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent (terseLabel)	Concept (Percent)	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
41	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePeriod (terseLabel)	Concept (Duration)	duration		crm:SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePeriod
42	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1 (terseLabel)	Concept (Duration)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
43	us-gaap:AdvertisingExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AdvertisingExpense
44	crm:PercentageofTaxBenefitLikelyToBeRealizedUponSettlement (terseLabel)	Concept (Percent)	duration		crm:PercentageofTaxBenefitLikelyToBeRealizedUponSettlement
45	us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption (verboseLabel)	Concept (Monetary)	instant	credit	us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
46	crm:CumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionTaxImpact (terseLabel)	Concept (Monetary)	instant	credit	crm:CumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionTaxImpact
47	us-gaap:RealizedInvestmentGainsLosses (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:RealizedInvestmentGainsLosses
48	crm:GainLossonSaleofStrategicInvestment (terseLabel)	Concept (Monetary)	duration	credit	crm:GainLossonSaleofStrategicInvestment

Model Structure
Network	2401404 - Disclosure - Summary of Business and Significant Accounting Policies - Schedule of Property and Equipment Estimated Useful Lives (Detail) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentEstimatedUsefulLivesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Accounting Policies [Abstract]	Abstract	duration	us-gaap:AccountingPoliciesAbstract
2	us-gaap:ScheduleOfPropertyPlantAndEquipmentTable (terseLabel)	Table	duration	us-gaap:ScheduleOfPropertyPlantAndEquipmentTable
3	srt:RangeAxis (terseLabel)	Axis	duration	srt:RangeAxis
4	srt:RangeMember (terseLabel)	Member	duration	srt:RangeMember
5	srt:MinimumMember (terseLabel)	Member	duration	srt:MinimumMember
6	srt:MaximumMember (terseLabel)	Member	duration	srt:MaximumMember
7	us-gaap:PropertyPlantAndEquipmentByTypeAxis (terseLabel)	Axis	duration	us-gaap:PropertyPlantAndEquipmentByTypeAxis
8	us-gaap:PropertyPlantAndEquipmentTypeDomain (terseLabel)	Member	duration	us-gaap:PropertyPlantAndEquipmentTypeDomain
9	crm:ComputerEquipmentAndSoftwareMember (terseLabel)	Member	duration	crm:ComputerEquipmentAndSoftwareMember
10	us-gaap:FurnitureAndFixturesMember (terseLabel)	Member	duration	us-gaap:FurnitureAndFixturesMember
11	us-gaap:LeaseholdImprovementsMember (terseLabel)	Member	duration	us-gaap:LeaseholdImprovementsMember
12	crm:BuildingandStructuralComponentsMember (terseLabel)	Member	duration	crm:BuildingandStructuralComponentsMember
13	crm:BuildingLeasedFacilityMember (terseLabel)	Member	duration	crm:BuildingLeasedFacilityMember
14	us-gaap:BuildingImprovementsMember (terseLabel)	Member	duration	us-gaap:BuildingImprovementsMember
15	us-gaap:SoftwareDevelopmentMember (netLabel)	Member	duration	us-gaap:SoftwareDevelopmentMember
16	us-gaap:PropertyPlantAndEquipmentLineItems (terseLabel)	LineItems	duration	us-gaap:PropertyPlantAndEquipmentLineItems
17	us-gaap:PropertyPlantAndEquipmentUsefulLife (terseLabel)	Concept (Duration)	duration	us-gaap:PropertyPlantAndEquipmentUsefulLife

Model Structure
Network	2401405 - Disclosure - Summary of Business and Significant Accounting Policies - Adoption of ASU 2014-09 (Details) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesAdoptionOfAsu201409Details)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Accounting Policies [Abstract]	Abstract	duration		us-gaap:AccountingPoliciesAbstract
2	us-gaap:NewAccountingPronouncementsOrChangeInAccountingPrincipleTable (terseLabel)	Table	duration		us-gaap:NewAccountingPronouncementsOrChangeInAccountingPrincipleTable
3	us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis (terseLabel)	Axis	duration		us-gaap:InitialApplicationPeriodCumulativeEffectTransitionAxis
4	us-gaap:InitialApplicationPeriodCumulativeEffectTransitionDomain (terseLabel)	Member	duration		us-gaap:InitialApplicationPeriodCumulativeEffectTransitionDomain
5	us-gaap:CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member (terseLabel)	Member	duration		us-gaap:CalculatedUnderRevenueGuidanceInEffectBeforeTopic606Member
6	us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member (terseLabel)	Member	duration		us-gaap:DifferenceBetweenRevenueGuidanceInEffectBeforeAndAfterTopic606Member
7	us-gaap:AdjustmentsForNewAccountingPronouncementsAxis (terseLabel)	Axis	duration		us-gaap:AdjustmentsForNewAccountingPronouncementsAxis
8	us-gaap:TypeOfAdoptionMember (terseLabel)	Member	duration		us-gaap:TypeOfAdoptionMember
9	us-gaap:AccountingStandardsUpdate201409Member (terseLabel)	Member	duration		us-gaap:AccountingStandardsUpdate201409Member
10	us-gaap:NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems (terseLabel)	LineItems	duration		us-gaap:NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
11	us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax (verboseLabel)	Concept (Monetary)	duration	credit	us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
12	us-gaap:SellingAndMarketingExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:SellingAndMarketingExpense
13	Benefit from (provision for) income taxes	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxExpenseBenefit
14	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
15	us-gaap:EarningsPerShareDiluted (terseLabel)	Concept (Per-Share)	duration		us-gaap:EarningsPerShareDiluted
16	crm:NumberofSharesUtilizedtoCalculateDilutedNetIncome (terseLabel)	Concept (Shares)	duration		crm:NumberofSharesUtilizedtoCalculateDilutedNetIncome
17	us-gaap:AccountsReceivableNetCurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:AccountsReceivableNetCurrent
18	us-gaap:CapitalizedContractCostNetCurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedContractCostNetCurrent
19	us-gaap:PrepaidExpenseAndOtherAssetsCurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:PrepaidExpenseAndOtherAssetsCurrent
20	us-gaap:CapitalizedContractCostNetNoncurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalizedContractCostNetNoncurrent
21	us-gaap:OtherAssetsNoncurrent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:OtherAssetsNoncurrent
22	us-gaap:EmployeeRelatedLiabilitiesCurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:EmployeeRelatedLiabilitiesCurrent
23	us-gaap:AccruedLiabilitiesCurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AccruedLiabilitiesCurrent
24	us-gaap:ContractWithCustomerLiabilityCurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:ContractWithCustomerLiabilityCurrent
25	us-gaap:OtherLiabilitiesNoncurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherLiabilitiesNoncurrent
26	Stockholders’ equity	Concept (Monetary)	instant	credit	us-gaap:StockholdersEquity

Model Structure
Network	2402402 - Disclosure - Revenues - Disaggregation of Revenue (Detail) (http://salesforce.com/role/RevenuesDisaggregationOfRevenueDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Revenue from Contract with Customer [Abstract]	Abstract	duration		us-gaap:RevenueFromContractWithCustomerAbstract
2	us-gaap:DisaggregationOfRevenueTable (terseLabel)	Table	duration		us-gaap:DisaggregationOfRevenueTable
3	srt:ProductOrServiceAxis (terseLabel)	Axis	duration		srt:ProductOrServiceAxis
4	srt:ProductsAndServicesDomain (terseLabel)	Member	duration		srt:ProductsAndServicesDomain
5	crm:SubscriptionandSupportMember (terseLabel)	Member	duration		crm:SubscriptionandSupportMember
6	crm:SalesCloudMember (terseLabel)	Member	duration		crm:SalesCloudMember
7	crm:ServiceCloudMember (terseLabel)	Member	duration		crm:ServiceCloudMember
8	crm:SalesforcePlatformandOtherMember (terseLabel)	Member	duration		crm:SalesforcePlatformandOtherMember
9	crm:MarketingandCommerceCloudMember (terseLabel)	Member	duration		crm:MarketingandCommerceCloudMember
10	srt:StatementGeographicalAxis (terseLabel)	Axis	duration		srt:StatementGeographicalAxis
11	srt:SegmentGeographicalDomain (terseLabel)	Member	duration		srt:SegmentGeographicalDomain
12	srt:AmericasMember (terseLabel)	Member	duration		srt:AmericasMember
13	srt:EuropeMember (terseLabel)	Member	duration		srt:EuropeMember
14	srt:AsiaPacificMember (terseLabel)	Member	duration		srt:AsiaPacificMember
15	country:US (terseLabel)	Member	duration		country:US
16	us-gaap:ConcentrationRiskByTypeAxis (terseLabel)	Axis	duration		us-gaap:ConcentrationRiskByTypeAxis
17	us-gaap:ConcentrationRiskTypeDomain (terseLabel)	Member	duration		us-gaap:ConcentrationRiskTypeDomain
18	us-gaap:GeographicConcentrationRiskMember (terseLabel)	Member	duration		us-gaap:GeographicConcentrationRiskMember
19	us-gaap:ConcentrationRiskByBenchmarkAxis (terseLabel)	Axis	duration		us-gaap:ConcentrationRiskByBenchmarkAxis
20	us-gaap:ConcentrationRiskBenchmarkDomain (terseLabel)	Member	duration		us-gaap:ConcentrationRiskBenchmarkDomain
21	us-gaap:SalesRevenueServicesNetMember (terseLabel)	Member	duration		us-gaap:SalesRevenueServicesNetMember
22	us-gaap:DisaggregationOfRevenueLineItems (terseLabel)	LineItems	duration		us-gaap:DisaggregationOfRevenueLineItems
23	us-gaap:ConcentrationRiskPercentage1 (terseLabel)	Concept (Percent)	duration		us-gaap:ConcentrationRiskPercentage1
24	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

Model Structure
Network	2402403 - Disclosure - Revenues - Contract Balances, Unearned Revenue and Remaining Performance Obligation (Details) (http://salesforce.com/role/RevenuesContractBalancesUnearnedRevenueAndRemainingPerformanceObligationDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Revenue from Contract with Customer [Abstract]	Abstract	duration		us-gaap:RevenueFromContractWithCustomerAbstract
2	us-gaap:DisaggregationOfRevenueTable (terseLabel)	Table	duration		us-gaap:DisaggregationOfRevenueTable
3	us-gaap:TimingOfTransferOfGoodOrServiceAxis (terseLabel)	Axis	duration		us-gaap:TimingOfTransferOfGoodOrServiceAxis
4	us-gaap:TimingOfTransferOfGoodOrServiceDomain (terseLabel)	Member	duration		us-gaap:TimingOfTransferOfGoodOrServiceDomain
5	us-gaap:TransferredOverTimeMember (terseLabel)	Member	duration		us-gaap:TransferredOverTimeMember
6	crm:TransferredoverTimeasDeliveredMember (terseLabel)	Member	duration		crm:TransferredoverTimeasDeliveredMember
7	us-gaap:TransferredAtPointInTimeMember (terseLabel)	Member	duration		us-gaap:TransferredAtPointInTimeMember
8	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
9	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
10	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
11	srt:RangeAxis (terseLabel)	Axis	duration		srt:RangeAxis
12	srt:RangeMember (terseLabel)	Member	duration		srt:RangeMember
13	srt:MinimumMember (terseLabel)	Member	duration		srt:MinimumMember
14	srt:MaximumMember (terseLabel)	Member	duration		srt:MaximumMember
15	us-gaap:DisaggregationOfRevenueLineItems (terseLabel)	LineItems	duration		us-gaap:DisaggregationOfRevenueLineItems
16	us-gaap:ContractWithCustomerAssetNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:ContractWithCustomerAssetNet
17	crm:UnearnedRevenueRollForward (terseLabel)	Abstract	duration		crm:UnearnedRevenueRollForward
18	Unearned revenue, beginning of period	Concept (Monetary)	instant	credit	us-gaap:ContractWithCustomerLiabilityCurrent
19	crm:ContractwithCustomerLiabilityBillingsandOther (terseLabel)	Concept (Monetary)	duration	credit	crm:ContractwithCustomerLiabilityBillingsandOther
20	crm:ContractwithCustomerLiabilityContributionfromContractAsset (terseLabel)	Concept (Monetary)	duration	credit	crm:ContractwithCustomerLiabilityContributionfromContractAsset
21	us-gaap:ContractWithCustomerLiabilityRevenueRecognized (negatedTerseLabel)	Concept (Monetary)	duration	credit	us-gaap:ContractWithCustomerLiabilityRevenueRecognized
22	us-gaap:ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:ContractWithCustomerLiabilityIncreaseDecreaseForContractAcquiredInBusinessCombination
23	Unearned revenue, end of period	Concept (Monetary)	instant	credit	us-gaap:ContractWithCustomerLiabilityCurrent
24	crm:PercentofRevenueRecognizedfromUnearnedRevenueBalanceinPeriod (terseLabel)	Concept (Percent)	duration		crm:PercentofRevenueRecognizedfromUnearnedRevenueBalanceinPeriod
25	us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1 (terseLabel)	Concept (Duration)	instant		us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
26	crm:RevenueRemainingPerformanceObligationCurrent (terseLabel)	Concept (Monetary)	instant	credit	crm:RevenueRemainingPerformanceObligationCurrent
27	crm:RevenueRemainingPerformanceObligationNoncurrent (terseLabel)	Concept (Monetary)	instant	credit	crm:RevenueRemainingPerformanceObligationNoncurrent
28	us-gaap:RevenueRemainingPerformanceObligation (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:RevenueRemainingPerformanceObligation

Model Structure
Network	2403402 - Disclosure - Investments - Schedule of Marketable Securities (Detail) (http://salesforce.com/role/InvestmentsScheduleOfMarketableSecuritiesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:ScheduleOfAvailableForSaleSecuritiesTable (terseLabel)	Table	duration		us-gaap:ScheduleOfAvailableForSaleSecuritiesTable
3	us-gaap:FinancialInstrumentAxis (terseLabel)	Axis	duration		us-gaap:FinancialInstrumentAxis
4	us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain (terseLabel)	Member	duration		us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain
5	us-gaap:CorporateDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:CorporateDebtSecuritiesMember
6	us-gaap:USTreasurySecuritiesMember (terseLabel)	Member	duration		us-gaap:USTreasurySecuritiesMember
7	us-gaap:MortgageBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:MortgageBackedSecuritiesMember
8	us-gaap:AssetBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:AssetBackedSecuritiesMember
9	us-gaap:MunicipalNotesMember (terseLabel)	Member	duration		us-gaap:MunicipalNotesMember
10	us-gaap:ForeignGovernmentDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:ForeignGovernmentDebtSecuritiesMember
11	us-gaap:USGovernmentAgenciesDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:USGovernmentAgenciesDebtSecuritiesMember
12	us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember (terseLabel)	Member	duration		us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
13	us-gaap:BankTimeDepositsMember (terseLabel)	Member	duration		us-gaap:BankTimeDepositsMember
14	us-gaap:BondsMember (terseLabel)	Member	duration		us-gaap:BondsMember
15	us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems (terseLabel)	LineItems	duration		us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems
16	us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
17	us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
18	us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax (negatedTerseLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
19	Fair Value	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtSecurities

Model Structure
Network	2403403 - Disclosure - Investments - Schedule of Short-Term and Long-Term Marketable Securities (Detail) (http://salesforce.com/role/InvestmentsScheduleOfShortTermAndLongTermMarketableSecuritiesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
3	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
4	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
5	us-gaap:AvailableForSaleSecuritiesDebtSecurities (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:AvailableForSaleSecuritiesDebtSecurities

Model Structure
Network	2403404 - Disclosure - Investments - Schedule of Marketable Securities in Unrealized Loss Position (Detail) (http://salesforce.com/role/InvestmentsScheduleOfMarketableSecuritiesInUnrealizedLossPositionDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:ScheduleOfAvailableForSaleSecuritiesTable (terseLabel)	Table	duration		us-gaap:ScheduleOfAvailableForSaleSecuritiesTable
3	us-gaap:FinancialInstrumentAxis (terseLabel)	Axis	duration		us-gaap:FinancialInstrumentAxis
4	us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain (terseLabel)	Member	duration		us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain
5	us-gaap:CorporateDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:CorporateDebtSecuritiesMember
6	us-gaap:USTreasurySecuritiesMember (terseLabel)	Member	duration		us-gaap:USTreasurySecuritiesMember
7	us-gaap:MortgageBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:MortgageBackedSecuritiesMember
8	us-gaap:AssetBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:AssetBackedSecuritiesMember
9	us-gaap:ForeignGovernmentDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:ForeignGovernmentDebtSecuritiesMember
10	us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems (terseLabel)	LineItems	duration		us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems
11	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
12	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss (negatedTerseLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
13	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
14	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss (negatedTerseLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
15	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
16	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss (negatedTotalLabel)	Concept (Monetary)	instant	debit	us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
17	crm:UnrealizedLossesOnFixedRateInvestmentsUpperRangeValue (terseLabel)	Concept (Monetary)	duration	debit	crm:UnrealizedLossesOnFixedRateInvestmentsUpperRangeValue

Model Structure
Network	2403405 - Disclosure - Investments - Schedule of Components of Investment Income (Detail) (http://salesforce.com/role/InvestmentsScheduleOfComponentsOfInvestmentIncomeDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:InvestmentIncomeInterest (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:InvestmentIncomeInterest
3	us-gaap:GainOnSaleOfInvestments (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:GainOnSaleOfInvestments
4	us-gaap:LossOnSaleOfInvestments (negatedLabel)	Concept (Monetary)	duration	debit	us-gaap:LossOnSaleOfInvestments
5	Total investment income	Concept (Monetary)	duration	credit	us-gaap:InvestmentIncomeNet

Model Structure
Network	2403406 - Disclosure - Investments - Schedule of Strategic Investments (Detail) (http://salesforce.com/role/InvestmentsScheduleOfStrategicInvestmentsDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Investments, Debt and Equity Securities [Abstract]	Abstract	duration		us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract
2	us-gaap:InvestmentHoldingsTable (terseLabel)	Table	duration		us-gaap:InvestmentHoldingsTable
3	Measurement Basis [Axis]	Axis	duration		us-gaap:FairValueByMeasurementBasisAxis
4	us-gaap:FairValueDisclosureItemAmountsDomain (terseLabel)	Member	duration		us-gaap:FairValueDisclosureItemAmountsDomain
5	us-gaap:PortionAtFairValueFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:PortionAtFairValueFairValueDisclosureMember
6	us-gaap:EstimateOfFairValueFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:EstimateOfFairValueFairValueDisclosureMember
7	us-gaap:ChangeDuringPeriodFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:ChangeDuringPeriodFairValueDisclosureMember
8	us-gaap:PortionAtOtherThanFairValueFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:PortionAtOtherThanFairValueFairValueDisclosureMember
9	us-gaap:FinancialInstrumentAxis (terseLabel)	Axis	duration		us-gaap:FinancialInstrumentAxis
10	us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain (terseLabel)	Member	duration		us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain
11	us-gaap:EquitySecuritiesMember (terseLabel)	Member	duration		us-gaap:EquitySecuritiesMember
12	us-gaap:DebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:DebtSecuritiesMember
13	crm:PubliclyTradedSecuritiesMember (terseLabel)	Member	duration		crm:PubliclyTradedSecuritiesMember
14	Privately held securities	Member	duration		crm:PrivatelyHeldSecuritiesMember
15	us-gaap:InvestmentHoldingsLineItems (terseLabel)	LineItems	duration		us-gaap:InvestmentHoldingsLineItems
16	Strategic investments	Concept (Monetary)	instant	debit	us-gaap:OtherLongTermInvestments
17	crm:StrategicInvestmentsRollForward (terseLabel)	Abstract	duration		crm:StrategicInvestmentsRollForward
18	Carrying amount, beginning of period	Concept (Monetary)	instant	debit	us-gaap:OtherLongTermInvestments
19	crm:AdjustmentsRelatedtoPrivatelyHeldEquityInvestmentsAbstract (terseLabel)	Abstract	duration		crm:AdjustmentsRelatedtoPrivatelyHeldEquityInvestmentsAbstract
20	crm:StrategicInvestmentsNetAdditions (terseLabel)	Concept (Monetary)	duration	debit	crm:StrategicInvestmentsNetAdditions
21	crm:StrategicInvestmentsImpairmentsandDownwardAdjustments (negatedTerseLabel)	Concept (Monetary)	duration	credit	crm:StrategicInvestmentsImpairmentsandDownwardAdjustments
22	crm:StrategicInvestmentsUpwardAdjustments (terseLabel)	Concept (Monetary)	duration	debit	crm:StrategicInvestmentsUpwardAdjustments
23	Carrying amount, end of period	Concept (Monetary)	instant	debit	us-gaap:OtherLongTermInvestments
24	us-gaap:RealizedInvestmentGainsLosses (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:RealizedInvestmentGainsLosses
25	crm:GainLossonStrategicInvestments (terseLabel)	Concept (Monetary)	duration	credit	crm:GainLossonStrategicInvestments
26	crm:GainLossonSaleofStrategicInvestment (terseLabel)	Concept (Monetary)	duration	credit	crm:GainLossonSaleofStrategicInvestment

Model Structure
Network	2404402 - Disclosure - Derivatives - Schedule of Outstanding Foreign Currency Derivative Contracts Related Primarily to Intercompany Receivables and Payables (Detail) (http://salesforce.com/role/DerivativesScheduleOfOutstandingForeignCurrencyDerivativeContractsRelatedPrimarilyToIntercompanyReceivablesAndPayablesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Derivative Instruments and Hedging Activities Disclosure [Abstract]	Abstract	duration		us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
2	us-gaap:DerivativeTable (terseLabel)	Table	duration		us-gaap:DerivativeTable
3	us-gaap:HedgingDesignationAxis (terseLabel)	Axis	duration		us-gaap:HedgingDesignationAxis
4	us-gaap:HedgingDesignationDomain (terseLabel)	Member	duration		us-gaap:HedgingDesignationDomain
5	us-gaap:NondesignatedMember (terseLabel)	Member	duration		us-gaap:NondesignatedMember
6	us-gaap:DerivativeInstrumentRiskAxis (terseLabel)	Axis	duration		us-gaap:DerivativeInstrumentRiskAxis
7	us-gaap:DerivativeContractTypeDomain (terseLabel)	Member	duration		us-gaap:DerivativeContractTypeDomain
8	us-gaap:ForeignExchangeContractMember (terseLabel)	Member	duration		us-gaap:ForeignExchangeContractMember
9	us-gaap:DerivativeLineItems (terseLabel)	LineItems	duration		us-gaap:DerivativeLineItems
10	invest:DerivativeNotionalAmount (terseLabel)	Concept (Monetary)	instant		invest:DerivativeNotionalAmount
11	us-gaap:DerivativeFairValueOfDerivativeNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DerivativeFairValueOfDerivativeNet

Model Structure
Network	2404403 - Disclosure - Derivatives - Fair Value of Outstanding Derivative Instruments (Detail) (http://salesforce.com/role/DerivativesFairValueOfOutstandingDerivativeInstrumentsDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Derivative Instruments and Hedging Activities Disclosure [Abstract]	Abstract	duration		us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
2	us-gaap:FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable (terseLabel)	Table	duration		us-gaap:FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable
3	us-gaap:HedgingDesignationAxis (terseLabel)	Axis	duration		us-gaap:HedgingDesignationAxis
4	us-gaap:HedgingDesignationDomain (terseLabel)	Member	duration		us-gaap:HedgingDesignationDomain
5	us-gaap:NondesignatedMember (terseLabel)	Member	duration		us-gaap:NondesignatedMember
6	us-gaap:BalanceSheetLocationAxis (terseLabel)	Axis	duration		us-gaap:BalanceSheetLocationAxis
7	us-gaap:BalanceSheetLocationDomain (terseLabel)	Member	duration		us-gaap:BalanceSheetLocationDomain
8	us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember (terseLabel)	Member	duration		us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember
9	us-gaap:DerivativeInstrumentRiskAxis (terseLabel)	Axis	duration		us-gaap:DerivativeInstrumentRiskAxis
10	us-gaap:DerivativeContractTypeDomain (terseLabel)	Member	duration		us-gaap:DerivativeContractTypeDomain
11	us-gaap:ForeignExchangeContractMember (terseLabel)	Member	duration		us-gaap:ForeignExchangeContractMember
12	us-gaap:DerivativesFairValueLineItems (terseLabel)	LineItems	duration		us-gaap:DerivativesFairValueLineItems
13	us-gaap:DerivativeFairValueOfDerivativeAsset (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DerivativeFairValueOfDerivativeAsset

Model Structure
Network	2404404 - Disclosure - Derivatives - Effect of Derivative Instruments Not Designated as Hedging Instruments on Condensed Consolidated Statements of Operations (Detail) (http://salesforce.com/role/DerivativesEffectOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Derivative Instruments and Hedging Activities Disclosure [Abstract]	Abstract	duration		us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
2	us-gaap:DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable (terseLabel)	Table	duration		us-gaap:DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable
3	us-gaap:HedgingDesignationAxis (terseLabel)	Axis	duration		us-gaap:HedgingDesignationAxis
4	us-gaap:HedgingDesignationDomain (terseLabel)	Member	duration		us-gaap:HedgingDesignationDomain
5	us-gaap:NondesignatedMember (terseLabel)	Member	duration		us-gaap:NondesignatedMember
6	us-gaap:DerivativeInstrumentRiskAxis (terseLabel)	Axis	duration		us-gaap:DerivativeInstrumentRiskAxis
7	us-gaap:DerivativeContractTypeDomain (terseLabel)	Member	duration		us-gaap:DerivativeContractTypeDomain
8	us-gaap:ForeignExchangeContractMember (terseLabel)	Member	duration		us-gaap:ForeignExchangeContractMember
9	us-gaap:IncomeStatementLocationAxis (terseLabel)	Axis	duration		us-gaap:IncomeStatementLocationAxis
10	us-gaap:IncomeStatementLocationDomain (terseLabel)	Member	duration		us-gaap:IncomeStatementLocationDomain
11	us-gaap:OtherExpenseMember (terseLabel)	Member	duration		us-gaap:OtherExpenseMember
12	us-gaap:DerivativeInstrumentsGainLossLineItems (terseLabel)	LineItems	duration		us-gaap:DerivativeInstrumentsGainLossLineItems
13	us-gaap:DerivativeGainLossOnDerivativeNet (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:DerivativeGainLossOnDerivativeNet

Model Structure
Network	2405402 - Disclosure - Fair Value Measurement (Detail) (http://salesforce.com/role/FairValueMeasurementDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Fair Value Disclosures [Abstract]	Abstract	duration		us-gaap:FairValueDisclosuresAbstract
2	us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable (terseLabel)	Table	duration		us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable
3	us-gaap:InvestmentTypeAxis (terseLabel)	Axis	duration		us-gaap:InvestmentTypeAxis
4	us-gaap:InvestmentTypeCategorizationMember (terseLabel)	Member	duration		us-gaap:InvestmentTypeCategorizationMember
5	us-gaap:BankTimeDepositsMember (terseLabel)	Member	duration		us-gaap:BankTimeDepositsMember
6	us-gaap:MoneyMarketFundsMember (terseLabel)	Member	duration		us-gaap:MoneyMarketFundsMember
7	us-gaap:CorporateDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:CorporateDebtSecuritiesMember
8	us-gaap:USTreasurySecuritiesMember (terseLabel)	Member	duration		us-gaap:USTreasurySecuritiesMember
9	us-gaap:MortgageBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:MortgageBackedSecuritiesMember
10	us-gaap:AssetBackedSecuritiesMember (terseLabel)	Member	duration		us-gaap:AssetBackedSecuritiesMember
11	us-gaap:MunicipalNotesMember (terseLabel)	Member	duration		us-gaap:MunicipalNotesMember
12	us-gaap:ForeignGovernmentDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:ForeignGovernmentDebtSecuritiesMember
13	us-gaap:USGovernmentAgenciesDebtSecuritiesMember (terseLabel)	Member	duration		us-gaap:USGovernmentAgenciesDebtSecuritiesMember
14	crm:MarketableSecuritiesTimeDepositsMember (terseLabel)	Member	duration		crm:MarketableSecuritiesTimeDepositsMember
15	us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember (terseLabel)	Member	duration		us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
16	us-gaap:BondsMember (terseLabel)	Member	duration		us-gaap:BondsMember
17	us-gaap:CashMember (terseLabel)	Member	duration		us-gaap:CashMember
18	crm:PrivatelyHeldSecuritiesMember (verboseLabel)	Member	duration		crm:PrivatelyHeldSecuritiesMember
19	us-gaap:FairValueByMeasurementBasisAxis (verboseLabel)	Axis	duration		us-gaap:FairValueByMeasurementBasisAxis
20	us-gaap:FairValueDisclosureItemAmountsDomain (terseLabel)	Member	duration		us-gaap:FairValueDisclosureItemAmountsDomain
21	us-gaap:PortionAtFairValueFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:PortionAtFairValueFairValueDisclosureMember
22	us-gaap:EstimateOfFairValueFairValueDisclosureMember (terseLabel)	Member	duration		us-gaap:EstimateOfFairValueFairValueDisclosureMember
23	us-gaap:BalanceSheetLocationAxis (terseLabel)	Axis	duration		us-gaap:BalanceSheetLocationAxis
24	us-gaap:BalanceSheetLocationDomain (terseLabel)	Member	duration		us-gaap:BalanceSheetLocationDomain
25	us-gaap:CashAndCashEquivalentsMember (terseLabel)	Member	duration		us-gaap:CashAndCashEquivalentsMember
26	us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember (terseLabel)	Member	duration		us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember
27	us-gaap:FairValueByFairValueHierarchyLevelAxis (terseLabel)	Axis	duration		us-gaap:FairValueByFairValueHierarchyLevelAxis
28	us-gaap:FairValueMeasurementsFairValueHierarchyDomain (terseLabel)	Member	duration		us-gaap:FairValueMeasurementsFairValueHierarchyDomain
29	us-gaap:FairValueInputsLevel1Member (terseLabel)	Member	duration		us-gaap:FairValueInputsLevel1Member
30	us-gaap:FairValueInputsLevel2Member (terseLabel)	Member	duration		us-gaap:FairValueInputsLevel2Member
31	us-gaap:FairValueInputsLevel3Member (terseLabel)	Member	duration		us-gaap:FairValueInputsLevel3Member
32	us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems (terseLabel)	LineItems	duration		us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
33	us-gaap:CashAndCashEquivalentsFairValueDisclosure (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CashAndCashEquivalentsFairValueDisclosure
34	us-gaap:InvestmentsFairValueDisclosure (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:InvestmentsFairValueDisclosure
35	us-gaap:OtherLongTermInvestments (verboseLabel)	Concept (Monetary)	instant	debit	us-gaap:OtherLongTermInvestments
36	us-gaap:DerivativeAssets (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DerivativeAssets
37	us-gaap:AssetsFairValueDisclosure (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:AssetsFairValueDisclosure

Model Structure
Network	2406402 - Disclosure - Property and Equipment (Detail) (http://salesforce.com/role/PropertyAndEquipmentDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Property, Plant and Equipment [Abstract]	Abstract	duration		us-gaap:PropertyPlantAndEquipmentAbstract
2	us-gaap:ScheduleOfPropertyPlantAndEquipmentTable (terseLabel)	Table	duration		us-gaap:ScheduleOfPropertyPlantAndEquipmentTable
3	us-gaap:PropertyPlantAndEquipmentByTypeAxis (terseLabel)	Axis	duration		us-gaap:PropertyPlantAndEquipmentByTypeAxis
4	us-gaap:PropertyPlantAndEquipmentTypeDomain (terseLabel)	Member	duration		us-gaap:PropertyPlantAndEquipmentTypeDomain
5	us-gaap:LandMember (terseLabel)	Member	duration		us-gaap:LandMember
6	us-gaap:BuildingMember (terseLabel)	Member	duration		us-gaap:BuildingMember
7	crm:ComputerEquipmentAndSoftwareMember (terseLabel)	Member	duration		crm:ComputerEquipmentAndSoftwareMember
8	us-gaap:FurnitureAndFixturesMember (terseLabel)	Member	duration		us-gaap:FurnitureAndFixturesMember
9	us-gaap:LeaseholdImprovementsMember (terseLabel)	Member	duration		us-gaap:LeaseholdImprovementsMember
10	us-gaap:PropertyPlantAndEquipmentLineItems (terseLabel)	LineItems	duration		us-gaap:PropertyPlantAndEquipmentLineItems
11	us-gaap:PropertyPlantAndEquipmentGross (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:PropertyPlantAndEquipmentGross
12	us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (negatedLabel)	Concept (Monetary)	instant	credit	us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
13	Property and equipment, net	Concept (Monetary)	instant	debit	us-gaap:PropertyPlantAndEquipmentNet
14	us-gaap:OtherDepreciationAndAmortization (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:OtherDepreciationAndAmortization
15	us-gaap:CapitalLeasedAssetsGross (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalLeasedAssetsGross
16	us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation

Model Structure
Network	2407402 - Disclosure - Business Combinations (Narrative) (Details) (http://salesforce.com/role/BusinessCombinationsNarrativeDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:DatoramaInc.Member (terseLabel)	Member	duration		crm:DatoramaInc.Member
6	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
7	crm:TwoCompaniesMember (terseLabel)	Member	duration		crm:TwoCompaniesMember
8	crm:ThirteenCompaniesMember (terseLabel)	Member	duration		crm:ThirteenCompaniesMember
9	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
10	us-gaap:BusinessCombinationAcquisitionRelatedCosts (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:BusinessCombinationAcquisitionRelatedCosts
11	us-gaap:BusinessCombinationConsiderationTransferred1 (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferred1
12	us-gaap:PaymentsToAcquireBusinessesGross (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsToAcquireBusinessesGross
13	us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
14	crm:BusinessCombinationConsiderationTransferedFairValueofEquityAwardsAssumed (terseLabel)	Concept (Monetary)	duration	credit	crm:BusinessCombinationConsiderationTransferedFairValueofEquityAwardsAssumed
15	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio (verboseLabel)	Concept (Pure)	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio
16	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (terseLabel)	Concept (Monetary)	duration	credit	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration
17	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoFutureServices (terseLabel)	Concept (Monetary)	instant	credit	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoFutureServices
18	us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions
19	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
20	Goodwill	Concept (Monetary)	instant	debit	us-gaap:Goodwill
21	us-gaap:NumberOfBusinessesAcquired (terseLabel)	Concept (Integer)	duration		us-gaap:NumberOfBusinessesAcquired

Model Structure
Network	2407403 - Disclosure - Business Combinations (Consideration Transferred) (Details) (http://salesforce.com/role/BusinessCombinationsConsiderationTransferredDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:DatoramaInc.Member (terseLabel)	Member	duration		crm:DatoramaInc.Member
6	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
7	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
8	us-gaap:PaymentsToAcquireBusinessesGross (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsToAcquireBusinessesGross
9	us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
10	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (terseLabel)	Concept (Monetary)	duration	credit	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration
11	Total	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferred1

Model Structure
Network	2407404 - Disclosure - Business Combinations (Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Details) (http://salesforce.com/role/BusinessCombinationsEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:DatoramaInc.Member (terseLabel)	Member	duration		crm:DatoramaInc.Member
6	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
7	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
8	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
9	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
10	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
11	us-gaap:ContractWithCustomerAssetNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:ContractWithCustomerAssetNet
12	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherCurrentandNoncurrentAssets (terseLabel)	Concept (Monetary)	instant	debit	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherCurrentandNoncurrentAssets
13	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedContractAssetCurrentandNoncurrent (terseLabel)	Concept (Monetary)	instant	debit	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedContractAssetCurrentandNoncurrent
14	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
15	Goodwill	Concept (Monetary)	instant	debit	us-gaap:Goodwill
16	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccountsPayableandOtherAccruedExpensesCurrentandNoncurrent (negatedTerseLabel)	Concept (Monetary)	instant	credit	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccountsPayableandOtherAccruedExpensesCurrentandNoncurrent
17	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
18	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
19	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

Model Structure
Network	2407405 - Disclosure - Business Combinations (Intangible Assets Acquired) (Details) (http://salesforce.com/role/BusinessCombinationsIntangibleAssetsAcquiredDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:DatoramaInc.Member (terseLabel)	Member	duration		crm:DatoramaInc.Member
6	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
7	us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis (terseLabel)	Axis	duration		us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis
8	us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain (terseLabel)	Member	duration		us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain
9	us-gaap:DevelopedTechnologyRightsMember (verboseLabel)	Member	duration		us-gaap:DevelopedTechnologyRightsMember
10	us-gaap:CustomerRelationshipsMember (terseLabel)	Member	duration		us-gaap:CustomerRelationshipsMember
11	us-gaap:OtherIntangibleAssetsMember (verboseLabel)	Member	duration		us-gaap:OtherIntangibleAssetsMember
12	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
13	us-gaap:FiniteLivedIntangibleAssetsGross (verboseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsGross
14	us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife (terseLabel)	Concept (Duration)	duration		us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife

Model Structure
Network	2407406 - Disclosure - Business Combinations (Pro Forma Information) (Details) (http://salesforce.com/role/BusinessCombinationsProFormaInformationDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
6	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
7	us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
8	us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
9	us-gaap:BusinessAcquisitionsProFormaRevenue (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessAcquisitionsProFormaRevenue
10	crm:BusinessCombinationProFormaInformationPretaxEarningsorLoss (terseLabel)	Concept (Monetary)	duration	credit	crm:BusinessCombinationProFormaInformationPretaxEarningsorLoss
11	us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

Model Structure
Network	2407407 - Disclosure - Business Combinations (CloudCraze Narrative) (Details) (http://salesforce.com/role/BusinessCombinationsCloudcrazeNarrativeDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Business Combinations [Abstract]	Abstract	duration		us-gaap:BusinessCombinationsAbstract
2	us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable (terseLabel)	Table	duration		us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:CloudCrazeLLCMember (terseLabel)	Member	duration		crm:CloudCrazeLLCMember
6	us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis (terseLabel)	Axis	duration		us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis
7	us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain (terseLabel)	Member	duration		us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain
8	crm:DevelopedTechnologyandCustomerRelationshipsMember (terseLabel)	Member	duration		crm:DevelopedTechnologyandCustomerRelationshipsMember
9	srt:RangeAxis (terseLabel)	Axis	duration		srt:RangeAxis
10	srt:RangeMember (terseLabel)	Member	duration		srt:RangeMember
11	srt:MinimumMember (terseLabel)	Member	duration		srt:MinimumMember
12	srt:MaximumMember (terseLabel)	Member	duration		srt:MaximumMember
13	us-gaap:BusinessAcquisitionLineItems (terseLabel)	LineItems	duration		us-gaap:BusinessAcquisitionLineItems
14	us-gaap:BusinessCombinationConsiderationTransferred1 (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferred1
15	us-gaap:FinitelivedIntangibleAssetsAcquired1 (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:FinitelivedIntangibleAssetsAcquired1
16	us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
17	us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife (terseLabel)	Concept (Duration)	duration		us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife

Model Structure
Network	2408402 - Disclosure - Assets Acquired Through Business Combinations and Goodwill (Intangible Assets Acquired From Business Combinations) (Details) (http://salesforce.com/role/AssetsAcquiredThroughBusinessCombinationsAndGoodwillIntangibleAssetsAcquiredFromBusinessCombinationsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Goodwill and Intangible Assets Disclosure [Abstract]	Abstract	duration		us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract
2	us-gaap:FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable (terseLabel)	Table	duration		us-gaap:FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable
3	us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis (terseLabel)	Axis	duration		us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis
4	us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain (terseLabel)	Member	duration		us-gaap:FiniteLivedIntangibleAssetsMajorClassNameDomain
5	Acquired developed technology	Member	duration		us-gaap:DevelopedTechnologyRightsMember
6	us-gaap:CustomerRelationshipsMember (terseLabel)	Member	duration		us-gaap:CustomerRelationshipsMember
7	Other	Member	duration		us-gaap:OtherIntangibleAssetsMember
8	us-gaap:BalanceSheetLocationAxis (terseLabel)	Axis	duration		us-gaap:BalanceSheetLocationAxis
9	us-gaap:BalanceSheetLocationDomain (terseLabel)	Member	duration		us-gaap:BalanceSheetLocationDomain
10	us-gaap:OtherAssetsMember (terseLabel)	Member	duration		us-gaap:OtherAssetsMember
11	us-gaap:AcquiredFiniteLivedIntangibleAssetsLineItems (terseLabel)	LineItems	duration		us-gaap:AcquiredFiniteLivedIntangibleAssetsLineItems
12	Intangible Assets, Gross	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsGross
13	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (verboseLabel)	Concept (Monetary)	duration	debit	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet
14	us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
15	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (negatedTerseLabel)	Concept (Monetary)	duration	debit	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet
16	us-gaap:FiniteLivedIntangibleAssetsNet (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsNet
17	us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife (terseLabel)	Concept (Duration)	duration		us-gaap:AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
18	us-gaap:AmortizationOfAboveAndBelowMarketLeases (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AmortizationOfAboveAndBelowMarketLeases
19	us-gaap:ContractWithCustomerAssetNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:ContractWithCustomerAssetNet

Model Structure
Network	2408403 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Expected Future Amortization Expense for Purchased Intangible Assets) (Details) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillExpectedFutureAmortizationExpenseForPurchasedIntangibleAssetsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Goodwill and Intangible Assets Disclosure [Abstract]	Abstract	duration		us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract
2	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
3	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
4	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
5	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
6	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
7	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
8	us-gaap:FiniteLivedIntangibleAssetsNet (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:FiniteLivedIntangibleAssetsNet

Model Structure
Network	2408404 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Goodwill) (Details) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillGoodwillDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Goodwill and Intangible Assets Disclosure [Abstract]	Abstract	duration		us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract
2	us-gaap:ScheduleOfGoodwillTable (terseLabel)	Table	duration		us-gaap:ScheduleOfGoodwillTable
3	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
4	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
5	crm:CloudCrazeLLCMember (terseLabel)	Member	duration		crm:CloudCrazeLLCMember
6	crm:MuleSoftInc.Member (terseLabel)	Member	duration		crm:MuleSoftInc.Member
7	crm:DatoramaInc.Member (terseLabel)	Member	duration		crm:DatoramaInc.Member
8	us-gaap:GoodwillLineItems (terseLabel)	LineItems	duration		us-gaap:GoodwillLineItems
9	us-gaap:GoodwillRollForward (terseLabel)	Abstract	duration		us-gaap:GoodwillRollForward
10	us-gaap:Goodwill (periodStartLabel)	Concept (Monetary)	instant	debit	us-gaap:Goodwill
11	us-gaap:GoodwillAcquiredDuringPeriod (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:GoodwillAcquiredDuringPeriod
12	us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments
13	Balance as of January 31, 2019	Concept (Monetary)	instant	debit	us-gaap:Goodwill

Model Structure
Network	2409402 - Disclosure - Debt - Carrying Value of Borrowings (Details) (http://salesforce.com/role/DebtCarryingValueOfBorrowingsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtInstrumentTable (terseLabel)	Table	duration		us-gaap:DebtInstrumentTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
5	us-gaap:SeniorNotesMember (terseLabel)	Member	duration		us-gaap:SeniorNotesMember
6	us-gaap:MediumTermNotesMember (terseLabel)	Member	duration		us-gaap:MediumTermNotesMember
7	us-gaap:SecuredDebtMember (terseLabel)	Member	duration		us-gaap:SecuredDebtMember
8	us-gaap:ConvertibleDebtMember (terseLabel)	Member	duration		us-gaap:ConvertibleDebtMember
9	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration		us-gaap:DebtInstrumentAxis
10	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration		us-gaap:DebtInstrumentNameDomain
11	crm:A2021TermLoanMember (terseLabel)	Member	duration		crm:A2021TermLoanMember
12	crm:A2023SeniorNotesMember (terseLabel)	Member	duration		crm:A2023SeniorNotesMember
13	crm:A2028SeniorNotesMember (terseLabel)	Member	duration		crm:A2028SeniorNotesMember
14	crm:A2019TermLoanMember (terseLabel)	Member	duration		crm:A2019TermLoanMember
15	crm:LoanAssumedon50FremontMember (terseLabel)	Member	duration		crm:LoanAssumedon50FremontMember
16	crm:A0.25ConvertibleSeniorNotesMember (terseLabel)	Member	duration		crm:A0.25ConvertibleSeniorNotesMember
17	us-gaap:DebtInstrumentLineItems (terseLabel)	LineItems	duration		us-gaap:DebtInstrumentLineItems
18	us-gaap:DebtInstrumentInterestRateEffectivePercentage (terseLabel)	Concept (Percent)	instant		us-gaap:DebtInstrumentInterestRateEffectivePercentage
19	Total carrying value of debt	Concept (Monetary)	instant	credit	us-gaap:DebtInstrumentCarryingAmount
20	Less current portion of debt	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtCurrent
21	Total noncurrent debt	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtNoncurrent

Model Structure
Network	2409403 - Disclosure - Debt - Future Principal Payments (Details) (http://salesforce.com/role/DebtFuturePrincipalPaymentsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
3	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
4	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
5	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
6	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
7	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
8	us-gaap:LongTermDebt (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebt

Model Structure
Network	2409404 - Disclosure - Debt - Term Loans (Detail) (http://salesforce.com/role/DebtTermLoansDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtInstrumentTable (terseLabel)	Table	duration		us-gaap:DebtInstrumentTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
5	us-gaap:MediumTermNotesMember (terseLabel)	Member	duration		us-gaap:MediumTermNotesMember
6	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration		us-gaap:DebtInstrumentAxis
7	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration		us-gaap:DebtInstrumentNameDomain
8	crm:A2019TermLoanMember (terseLabel)	Member	duration		crm:A2019TermLoanMember
9	crm:A2021TermLoanMember (terseLabel)	Member	duration		crm:A2021TermLoanMember
10	us-gaap:DebtInstrumentLineItems (terseLabel)	LineItems	duration		us-gaap:DebtInstrumentLineItems
11	us-gaap:DebtInstrumentTerm (terseLabel)	Concept (Duration)	duration		us-gaap:DebtInstrumentTerm
12	us-gaap:DebtInstrumentFaceAmount (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:DebtInstrumentFaceAmount
13	us-gaap:InterestExpenseDebt (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:InterestExpenseDebt

Model Structure
Network	2409405 - Disclosure - Debt - Senior Notes (Details) (http://salesforce.com/role/DebtSeniorNotesDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtInstrumentTable (terseLabel)	Table	duration		us-gaap:DebtInstrumentTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
5	us-gaap:SeniorNotesMember (terseLabel)	Member	duration		us-gaap:SeniorNotesMember
6	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration		us-gaap:DebtInstrumentAxis
7	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration		us-gaap:DebtInstrumentNameDomain
8	crm:A2023SeniorNotesMember (terseLabel)	Member	duration		crm:A2023SeniorNotesMember
9	crm:A2028SeniorNotesMember (terseLabel)	Member	duration		crm:A2028SeniorNotesMember
10	us-gaap:DebtInstrumentLineItems (terseLabel)	LineItems	duration		us-gaap:DebtInstrumentLineItems
11	us-gaap:DebtInstrumentFaceAmount (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:DebtInstrumentFaceAmount
12	us-gaap:DebtInstrumentInterestRateStatedPercentage (terseLabel)	Concept (Percent)	instant		us-gaap:DebtInstrumentInterestRateStatedPercentage
13	us-gaap:DeferredFinanceCostsNet (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredFinanceCostsNet
14	us-gaap:InterestExpenseDebt (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:InterestExpenseDebt

Model Structure
Network	2409406 - Disclosure - Debt - Loan Assumed on 50 Fremont (Details) (http://salesforce.com/role/DebtLoanAssumedOn50FremontDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtInstrumentTable (terseLabel)	Table	duration		us-gaap:DebtInstrumentTable
3	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration		us-gaap:DebtInstrumentAxis
4	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration		us-gaap:DebtInstrumentNameDomain
5	crm:LoanAssumedon50FremontMember (terseLabel)	Member	duration		crm:LoanAssumedon50FremontMember
6	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
7	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
8	us-gaap:MortgagesMember (terseLabel)	Member	duration		us-gaap:MortgagesMember
9	us-gaap:DebtInstrumentLineItems (terseLabel)	LineItems	duration		us-gaap:DebtInstrumentLineItems
10	us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred
11	us-gaap:DebtInstrumentInterestRateStatedPercentage (terseLabel)	Concept (Percent)	instant		us-gaap:DebtInstrumentInterestRateStatedPercentage
12	us-gaap:InterestExpenseDebt (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:InterestExpenseDebt
13	us-gaap:LongTermDebtCurrent (verboseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtCurrent
14	us-gaap:LongTermDebtNoncurrent (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LongTermDebtNoncurrent

Model Structure
Network	2409407 - Disclosure - Debt - Convertible Senior Notes (Detail) (http://salesforce.com/role/DebtConvertibleSeniorNotesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:DebtConversionTable (terseLabel)	Table	duration		us-gaap:DebtConversionTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
5	us-gaap:ConvertibleDebtMember (terseLabel)	Member	duration		us-gaap:ConvertibleDebtMember
6	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration		us-gaap:DebtInstrumentAxis
7	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration		us-gaap:DebtInstrumentNameDomain
8	crm:A0.25ConvertibleSeniorNotesMember (terseLabel)	Member	duration		crm:A0.25ConvertibleSeniorNotesMember
9	us-gaap:DebtConversionLineItems (terseLabel)	LineItems	duration		us-gaap:DebtConversionLineItems
10	us-gaap:DebtInstrumentFaceAmount (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:DebtInstrumentFaceAmount
11	us-gaap:DebtInstrumentInterestRateStatedPercentage (terseLabel)	Concept (Percent)	instant		us-gaap:DebtInstrumentInterestRateStatedPercentage
12	us-gaap:ExtinguishmentOfDebtAmount (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ExtinguishmentOfDebtAmount
13	us-gaap:DebtConversionConvertedInstrumentSharesIssued1 (terseLabel)	Concept (Shares)	duration		us-gaap:DebtConversionConvertedInstrumentSharesIssued1

Model Structure
Network	2409408 - Disclosure - Debt - Warrants (Detail) (http://salesforce.com/role/DebtWarrantsDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Other Liabilities Disclosure [Abstract]	Abstract	duration	us-gaap:OtherLiabilitiesDisclosureAbstract
2	us-gaap:ClassOfWarrantOrRightTable (terseLabel)	Table	duration	us-gaap:ClassOfWarrantOrRightTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration	us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration	us-gaap:LongtermDebtTypeDomain
5	us-gaap:ConvertibleDebtMember (terseLabel)	Member	duration	us-gaap:ConvertibleDebtMember
6	us-gaap:DebtInstrumentAxis (terseLabel)	Axis	duration	us-gaap:DebtInstrumentAxis
7	us-gaap:DebtInstrumentNameDomain (terseLabel)	Member	duration	us-gaap:DebtInstrumentNameDomain
8	crm:A0.25ConvertibleSeniorNotesMember (terseLabel)	Member	duration	crm:A0.25ConvertibleSeniorNotesMember
9	us-gaap:ClassOfWarrantOrRightLineItems (terseLabel)	LineItems	duration	us-gaap:ClassOfWarrantOrRightLineItems
10	us-gaap:DebtInstrumentInterestRateStatedPercentage (terseLabel)	Concept (Percent)	instant	us-gaap:DebtInstrumentInterestRateStatedPercentage
11	us-gaap:DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 (terseLabel)	Concept (Shares)	duration	us-gaap:DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1
12	crm:NumberofWarrantsThatIncreasedComputationofNetIncomePS (terseLabel)	Concept (Shares)	duration	crm:NumberofWarrantsThatIncreasedComputationofNetIncomePS

Model Structure
Network	2409409 - Disclosure - Debt - Revolving Credit Facility (Details) (http://salesforce.com/role/DebtRevolvingCreditFacilityDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:LineOfCreditFacilityTable (terseLabel)	Table	duration		us-gaap:LineOfCreditFacilityTable
3	us-gaap:LineOfCreditFacilityAxis (terseLabel)	Axis	duration		us-gaap:LineOfCreditFacilityAxis
4	us-gaap:LineOfCreditFacilityLenderDomain (terseLabel)	Member	duration		us-gaap:LineOfCreditFacilityLenderDomain
5	us-gaap:CreditFacilityAxis (terseLabel)	Axis	duration		us-gaap:CreditFacilityAxis
6	us-gaap:CreditFacilityDomain (terseLabel)	Member	duration		us-gaap:CreditFacilityDomain
7	us-gaap:RevolvingCreditFacilityMember (terseLabel)	Member	duration		us-gaap:RevolvingCreditFacilityMember
8	us-gaap:LineOfCreditFacilityLineItems (terseLabel)	LineItems	duration		us-gaap:LineOfCreditFacilityLineItems
9	us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
10	us-gaap:ExtinguishmentOfDebtAmount (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ExtinguishmentOfDebtAmount
11	us-gaap:DebtInstrumentCarryingAmount (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:DebtInstrumentCarryingAmount

Model Structure
Network	2409410 - Disclosure - Debt - Schedule of Interest Expense (Detail) (http://salesforce.com/role/DebtScheduleOfInterestExpenseDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Debt Disclosure [Abstract]	Abstract	duration		us-gaap:DebtDisclosureAbstract
2	us-gaap:InterestExpenseDebtExcludingAmortization (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:InterestExpenseDebtExcludingAmortization
3	us-gaap:AmortizationOfFinancingCosts (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AmortizationOfFinancingCosts
4	us-gaap:AmortizationOfDebtDiscountPremium (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AmortizationOfDebtDiscountPremium
5	Debt interest expense	Concept (Monetary)	duration	debit	us-gaap:InterestExpenseDebt

Model Structure
Network	2410402 - Disclosure - Income Taxes - Domestic And Foreign Components of Income (Loss) Before Provision (Benefit) For Income Taxes (Details) (http://salesforce.com/role/IncomeTaxesDomesticAndForeignComponentsOfIncomeLossBeforeProvisionBenefitForIncomeTaxesDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
3	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
4	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments (totalLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

Model Structure
Network	2410403 - Disclosure - Income Taxes - Schedule of Income Taxes Provision (Benefit) (Details) (http://salesforce.com/role/IncomeTaxesScheduleOfIncomeTaxesProvisionBenefitDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract (terseLabel)	Abstract	duration		us-gaap:CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract
3	us-gaap:CurrentFederalTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CurrentFederalTaxExpenseBenefit
4	us-gaap:CurrentStateAndLocalTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CurrentStateAndLocalTaxExpenseBenefit
5	us-gaap:CurrentForeignTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:CurrentForeignTaxExpenseBenefit
6	us-gaap:CurrentIncomeTaxExpenseBenefit (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:CurrentIncomeTaxExpenseBenefit
7	us-gaap:DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract (terseLabel)	Abstract	duration		us-gaap:DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract
8	us-gaap:DeferredFederalIncomeTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:DeferredFederalIncomeTaxExpenseBenefit
9	us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit
10	us-gaap:DeferredForeignIncomeTaxExpenseBenefit (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:DeferredForeignIncomeTaxExpenseBenefit
11	us-gaap:DeferredIncomeTaxExpenseBenefit (totalLabel)	Concept (Monetary)	duration	debit	us-gaap:DeferredIncomeTaxExpenseBenefit
12	Provision for (benefit from) income taxes	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxExpenseBenefit

Model Structure
Network	2410404 - Disclosure - Income Taxes - Additional Information (Detail) (http://salesforce.com/role/IncomeTaxesAdditionalInformationDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:OperatingLossCarryforwardsTable (terseLabel)	Table	duration		us-gaap:OperatingLossCarryforwardsTable
3	srt:StatementGeographicalAxis (terseLabel)	Axis	duration		srt:StatementGeographicalAxis
4	srt:SegmentGeographicalDomain (terseLabel)	Member	duration		srt:SegmentGeographicalDomain
5	stpr:CA (terseLabel)	Member	duration		stpr:CA
6	us-gaap:IncomeTaxAuthorityAxis (terseLabel)	Axis	duration		us-gaap:IncomeTaxAuthorityAxis
7	us-gaap:IncomeTaxAuthorityDomain (terseLabel)	Member	duration		us-gaap:IncomeTaxAuthorityDomain
8	us-gaap:DomesticCountryMember (terseLabel)	Member	duration		us-gaap:DomesticCountryMember
9	us-gaap:ForeignCountryMember (terseLabel)	Member	duration		us-gaap:ForeignCountryMember
10	us-gaap:StateAndLocalJurisdictionMember (terseLabel)	Member	duration		us-gaap:StateAndLocalJurisdictionMember
11	us-gaap:TaxCreditCarryforwardAxis (terseLabel)	Axis	duration		us-gaap:TaxCreditCarryforwardAxis
12	us-gaap:TaxCreditCarryforwardNameDomain (terseLabel)	Member	duration		us-gaap:TaxCreditCarryforwardNameDomain
13	us-gaap:ResearchMember (terseLabel)	Member	duration		us-gaap:ResearchMember
14	us-gaap:GeneralBusinessMember (terseLabel)	Member	duration		us-gaap:GeneralBusinessMember
15	crm:EnterpriseZoneTaxCreditCarryforwardMember (terseLabel)	Member	duration		crm:EnterpriseZoneTaxCreditCarryforwardMember
16	us-gaap:BusinessAcquisitionAxis (terseLabel)	Axis	duration		us-gaap:BusinessAcquisitionAxis
17	us-gaap:BusinessAcquisitionAcquireeDomain (terseLabel)	Member	duration		us-gaap:BusinessAcquisitionAcquireeDomain
18	crm:DemandwareMember (terseLabel)	Member	duration		crm:DemandwareMember
19	us-gaap:OperatingLossCarryforwardsLineItems (terseLabel)	LineItems	duration		us-gaap:OperatingLossCarryforwardsLineItems
20	Benefit from (provision for) income taxes	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxExpenseBenefit
21	us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount (negatedTerseLabel)	Concept (Monetary)	duration	credit	us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
22	us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate (terseLabel)	Concept (Percent)	duration		us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
23	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense (terseLabel)	Concept (Monetary)	duration	debit	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense
24	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit (terseLabel)	Concept (Monetary)	duration	credit	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit
25	crm:TaxCutsandJobsActof2017AdjustmenttoIncomeTaxExpense (terseLabel)	Concept (Monetary)	duration	debit	crm:TaxCutsandJobsActof2017AdjustmenttoIncomeTaxExpense
26	us-gaap:TaxCreditCarryforwardAmount (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:TaxCreditCarryforwardAmount
27	us-gaap:OperatingLossCarryforwards (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:OperatingLossCarryforwards
28	Valuation allowance	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxAssetsValuationAllowance
29	us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
30	crm:EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits (terseLabel)	Concept (Percent)	duration		crm:EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits
31	us-gaap:UnrecognizedTaxBenefits (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:UnrecognizedTaxBenefits
32	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition
33	us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
34	us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
35	us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
36	us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

Model Structure
Network	2410405 - Disclosure - Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details) (http://salesforce.com/role/IncomeTaxesReconciliationOfStatutoryFederalIncomeTaxRateDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
3	us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes
4	us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential
5	us-gaap:IncomeTaxReconciliationTaxCredits (negatedTerseLabel)	Concept (Monetary)	duration	credit	us-gaap:IncomeTaxReconciliationTaxCredits
6	us-gaap:IncomeTaxReconciliationNondeductibleExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationNondeductibleExpense
7	us-gaap:IncomeTaxReconciliationOtherReconcilingItems (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationOtherReconcilingItems
8	us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate
9	us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance (verboseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
10	us-gaap:IncomeTaxReconciliationOtherAdjustments (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxReconciliationOtherAdjustments
11	Provision for (benefit from) income taxes	Concept (Monetary)	duration	debit	us-gaap:IncomeTaxExpenseBenefit

Model Structure
Network	2410406 - Disclosure - Income Taxes - Significant Components of Deferred Tax Assets And Liabilities (Details) (http://salesforce.com/role/IncomeTaxesSignificantComponentsOfDeferredTaxAssetsAndLiabilitiesDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:DeferredTaxAssetsNetAbstract (terseLabel)	Abstract	duration		us-gaap:DeferredTaxAssetsNetAbstract
3	us-gaap:DeferredTaxAssetsOperatingLossCarryforwards (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
4	us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
5	us-gaap:DeferredTaxAssetsTaxCreditCarryforwards (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsTaxCreditCarryforwards
6	us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
7	us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
8	us-gaap:DeferredTaxAssetsInvestments (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsInvestments
9	crm:DeferredTaxAssetsFinancingObligation (terseLabel)	Concept (Monetary)	instant	debit	crm:DeferredTaxAssetsFinancingObligation
10	crm:DeferredTaxAssetsDeferredIntercompanyTransactions (terseLabel)	Concept (Monetary)	instant	debit	crm:DeferredTaxAssetsDeferredIntercompanyTransactions
11	us-gaap:DeferredTaxAssetsOther (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsOther
12	us-gaap:DeferredTaxAssetsGross (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsGross
13	us-gaap:DeferredTaxAssetsValuationAllowance (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxAssetsValuationAllowance
14	us-gaap:DeferredTaxAssetsNet (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsNet
15	us-gaap:DeferredTaxLiabilitiesNetAbstract (terseLabel)	Abstract	duration		us-gaap:DeferredTaxLiabilitiesNetAbstract
16	us-gaap:DeferredTaxLiabilitiesDeferredExpense (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxLiabilitiesDeferredExpense
17	us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
18	us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
19	crm:DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments (negatedTerseLabel)	Concept (Monetary)	instant	credit	crm:DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments
20	us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome
21	us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities (negatedTerseLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
22	us-gaap:DeferredIncomeTaxLiabilities (negatedTotalLabel)	Concept (Monetary)	instant	credit	us-gaap:DeferredIncomeTaxLiabilities
23	us-gaap:DeferredTaxAssetsLiabilitiesNet (totalLabel)	Concept (Monetary)	instant	debit	us-gaap:DeferredTaxAssetsLiabilitiesNet

Model Structure
Network	2410407 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits (Details) (http://salesforce.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Income Tax Disclosure [Abstract]	Abstract	duration		us-gaap:IncomeTaxDisclosureAbstract
2	us-gaap:ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward (terseLabel)	Abstract	duration		us-gaap:ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward
3	Balance as of February 1, 2016	Concept (Monetary)	instant	credit	us-gaap:UnrecognizedTaxBenefits
4	crm:TaxPositionsTakeinPriorPeriodAbstract (terseLabel)	Abstract	duration		crm:TaxPositionsTakeinPriorPeriodAbstract
5	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
6	us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions (negatedTerseLabel)	Concept (Monetary)	duration	debit	us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
7	crm:TaxPositionsTakeinCurrentPeriodAbstract (terseLabel)	Abstract	duration		crm:TaxPositionsTakeinCurrentPeriodAbstract
8	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
9	Settlements	Concept (Monetary)	duration	debit	us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
10	us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations (negatedTerseLabel)	Concept (Monetary)	duration	debit	us-gaap:UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
11	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect (negatedTerseLabel)	Concept (Monetary)	duration	debit	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect
12	Balance as of January 31, 2017	Concept (Monetary)	instant	credit	us-gaap:UnrecognizedTaxBenefits

Model Structure
Network	2411402 - Disclosure - Earnings Per Share - Reconciliation of Denominator Used in Calculation of Basic and Diluted Loss Per Share (Detail) (http://salesforce.com/role/EarningsPerShareReconciliationOfDenominatorUsedInCalculationOfBasicAndDilutedLossPerShareDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Earnings Per Share [Abstract]	Abstract	duration		us-gaap:EarningsPerShareAbstract
2	crm:NumeratorAbstract (terseLabel)	Abstract	duration		crm:NumeratorAbstract
3	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
4	crm:DenominatorAbstract (terseLabel)	Abstract	duration		crm:DenominatorAbstract
5	Weighted-average shares outstanding for basic earnings per share (in shares)	Concept (Shares)	duration		us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
6	us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract (terseLabel)	Abstract	duration		us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract
7	us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities (terseLabel)	Concept (Shares)	duration		us-gaap:IncrementalCommonSharesAttributableToConversionOfDebtSecurities
8	us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements (terseLabel)	Concept (Shares)	duration		us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
9	us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants (terseLabel)	Concept (Shares)	duration		us-gaap:IncrementalCommonSharesAttributableToCallOptionsAndWarrants
10	Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share (in shares)	Concept (Shares)	duration		us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

Model Structure
Network	2411402 - Disclosure - Stockholders' Equity - Additional Information (Detail) (http://salesforce.com/role/StockholdersEquityAdditionalInformationDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Equity [Abstract]	Abstract	duration		us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration		us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:PlanNameAxis (terseLabel)	Axis	duration		us-gaap:PlanNameAxis
4	us-gaap:PlanNameDomain (terseLabel)	Member	duration		us-gaap:PlanNameDomain
5	crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (terseLabel)	Member	duration		crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember
6	crm:TwoThousandAndThirteenEquityIncentivePlanMember (terseLabel)	Member	duration		crm:TwoThousandAndThirteenEquityIncentivePlanMember
7	us-gaap:AwardTypeAxis (terseLabel)	Axis	duration		us-gaap:AwardTypeAxis
8	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain (terseLabel)	Member	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain
9	us-gaap:EmployeeStockOptionMember (terseLabel)	Member	duration		us-gaap:EmployeeStockOptionMember
10	us-gaap:PerformanceSharesMember (terseLabel)	Member	duration		us-gaap:PerformanceSharesMember
11	us-gaap:RestrictedStockMember (terseLabel)	Member	duration		us-gaap:RestrictedStockMember
12	srt:RangeAxis (terseLabel)	Axis	duration		srt:RangeAxis
13	srt:RangeMember (terseLabel)	Member	duration		srt:RangeMember
14	srt:MinimumMember (terseLabel)	Member	duration		srt:MinimumMember
15	srt:MaximumMember (terseLabel)	Member	duration		srt:MaximumMember
16	us-gaap:TitleOfIndividualAxis (terseLabel)	Axis	duration		us-gaap:TitleOfIndividualAxis
17	us-gaap:TitleOfIndividualWithRelationshipToEntityDomain (terseLabel)	Member	duration		us-gaap:TitleOfIndividualWithRelationshipToEntityDomain
18	crm:BoardMembersMember (terseLabel)	Member	duration		crm:BoardMembersMember
19	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
20	crm:AmountHeldOnBehalfOfEmployeesForFuturePurchases (terseLabel)	Concept (Monetary)	instant	credit	crm:AmountHeldOnBehalfOfEmployeesForFuturePurchases
21	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod (terseLabel)	Concept (Duration)	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
22	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate (terseLabel)	Concept (Percent)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
23	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 (terseLabel)	Concept (Duration)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
24	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage (terseLabel)	Concept (Percent)	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
25	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
26	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1 (terseLabel)	Concept (Duration)	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
27	Options vested (in shares)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
28	Weighted average exercise price vested (in dollars per share)	Concept (Per-Share)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
29	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1 (terseLabel)	Concept (Duration)	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1
30	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	Concept (Monetary)	instant	debit	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
31	us-gaap:AllocatedShareBasedCompensationExpense (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:AllocatedShareBasedCompensationExpense
32	us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
33	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationRemainingofFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationRemainingofFiscalYear
34	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearTwo (terseLabel)	Concept (Monetary)	instant	credit	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearTwo
35	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearThree (terseLabel)	Concept (Monetary)	instant	credit	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearThree
36	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFour (terseLabel)	Concept (Monetary)	instant	credit	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFour
37	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFive (terseLabel)	Concept (Monetary)	instant	credit	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFive
38	us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 (terseLabel)	Concept (Duration)	duration		us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
39	Weighted-average exercise price (in dollars per share)	Concept (Per-Share)	instant		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice
40	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
41	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod (terseLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
42	us-gaap:PaymentsOfStockIssuanceCosts (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:PaymentsOfStockIssuanceCosts
43	us-gaap:PreferredStockSharesAuthorized (terseLabel)	Concept (Shares)	instant		us-gaap:PreferredStockSharesAuthorized
44	us-gaap:PreferredStockSharesOutstanding (terseLabel)	Concept (Shares)	instant		us-gaap:PreferredStockSharesOutstanding

Model Structure
Network	2411403 - Disclosure - Earnings Per Share - Shares Excluded from Diluted Earnings or Loss Per Share (Detail) (http://salesforce.com/role/EarningsPerShareSharesExcludedFromDilutedEarningsOrLossPerShareDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Earnings Per Share [Abstract]	Abstract	duration	us-gaap:EarningsPerShareAbstract
2	us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable (terseLabel)	Table	duration	us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable
3	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis (terseLabel)	Axis	duration	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
4	us-gaap:AntidilutiveSecuritiesNameDomain (terseLabel)	Member	duration	us-gaap:AntidilutiveSecuritiesNameDomain
5	us-gaap:StockCompensationPlanMember (terseLabel)	Member	duration	us-gaap:StockCompensationPlanMember
6	us-gaap:WarrantMember (terseLabel)	Member	duration	us-gaap:WarrantMember
7	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems (terseLabel)	LineItems	duration	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
8	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount (terseLabel)	Concept (Shares)	duration	us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

Model Structure
Network	2411403 - Disclosure - Stockholders' Equity - Fair Value Assumptions (Detail) (http://salesforce.com/role/StockholdersEquityFairValueAssumptionsDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Equity [Abstract]	Abstract	duration	us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:AwardTypeAxis (terseLabel)	Axis	duration	us-gaap:AwardTypeAxis
4	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain (terseLabel)	Member	duration	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain
5	us-gaap:EmployeeStockOptionMember (terseLabel)	Member	duration	us-gaap:EmployeeStockOptionMember
6	crm:EmployeeStockPurchasePlanMember (terseLabel)	Member	duration	crm:EmployeeStockPurchasePlanMember
7	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
8	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum (terseLabel)	Concept (Percent)	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
9	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum (terseLabel)	Concept (Percent)	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
10	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 (terseLabel)	Concept (Duration)	duration	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
11	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum (terseLabel)	Concept (Percent)	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
12	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum (terseLabel)	Concept (Percent)	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
13	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue (terseLabel)	Concept (Per-Share)	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

Model Structure
Network	2411404 - Disclosure - Stockholders' Equity - Stock Activity (Detail) (http://salesforce.com/role/StockholdersEquityStockActivityDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Equity [Abstract]	Abstract	duration		us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration		us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:PlanNameAxis (terseLabel)	Axis	duration		us-gaap:PlanNameAxis
4	us-gaap:PlanNameDomain (terseLabel)	Member	duration		us-gaap:PlanNameDomain
5	crm:TwoThousandAndThirteenEquityIncentivePlanMember (terseLabel)	Member	duration		crm:TwoThousandAndThirteenEquityIncentivePlanMember
6	crm:AssumedEquityPlansMember (terseLabel)	Member	duration		crm:AssumedEquityPlansMember
7	us-gaap:AwardTypeAxis (terseLabel)	Axis	duration		us-gaap:AwardTypeAxis
8	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain (terseLabel)	Member	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain
9	us-gaap:RestrictedStockMember (terseLabel)	Member	duration		us-gaap:RestrictedStockMember
10	us-gaap:PerformanceSharesMember (terseLabel)	Member	duration		us-gaap:PerformanceSharesMember
11	crm:OptionsForBoardAndAdvisoryBoardMembersMember (terseLabel)	Member	duration		crm:OptionsForBoardAndAdvisoryBoardMembersMember
12	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
13	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward (terseLabel)	Abstract	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward
14	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant (periodStartLabel)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
15	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant (terseLabel)	Concept (Shares)	duration		crm:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant
16	crm:OptionsGrantedDuringPeriod (negatedLabel)	Concept (Shares)	duration		crm:OptionsGrantedDuringPeriod
17	crm:RestrictedStockUnitActivity (negatedLabel)	Concept (Shares)	duration		crm:RestrictedStockUnitActivity
18	crm:StockGrantsToBoardMembersForBoardServicesAndAdvisoryBoardMembers (negatedLabel)	Concept (Shares)	duration		crm:StockGrantsToBoardMembersForBoardServicesAndAdvisoryBoardMembers
19	crm:SharesAvailableForGrantExercised (negatedTerseLabel)	Concept (Shares)	duration		crm:SharesAvailableForGrantExercised
20	crm:SharesAvailableforGrantExpired (negatedLabel)	Concept (Shares)	duration		crm:SharesAvailableforGrantExpired
21	crm:SharesAvailableForGrantCanceledDuringPeriod (terseLabel)	Concept (Shares)	duration		crm:SharesAvailableForGrantCanceledDuringPeriod
22	Shares Available for Grant, Balance (in shares)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
23	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward (terseLabel)	Abstract	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward
24	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber (periodStartLabel)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
25	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized (terseLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
26	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod (terseLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
27	us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised (negatedLabel)	Concept (Shares)	duration		us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
28	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod (negatedLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
29	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod (negatedLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
30	Outstanding Stock Options, Balance (in shares)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
31	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber (terseLabel)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
32	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber (verboseLabel)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
33	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward (terseLabel)	Abstract	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward
34	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice (periodStartLabel)	Concept (Per-Share)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
35	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
36	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
37	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
38	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
39	Weighted- Average Exercise Price, Balance (in dollars per share)	Concept (Per-Share)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
40	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
41	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice (verboseLabel)	Concept (Per-Share)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
42	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValueRollForward (terseLabel)	Abstract	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValueRollForward
43	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
44	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
45	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 (verboseLabel)	Concept (Monetary)	instant	debit	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

Model Structure
Network	2411405 - Disclosure - Stockholders' Equity - Stock Options Outstanding (Detail) (http://salesforce.com/role/StockholdersEquityStockOptionsOutstandingDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Equity [Abstract]	Abstract	duration	us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis (terseLabel)	Axis	duration	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
4	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain (terseLabel)	Member	duration	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain
5	crm:Range1Member (terseLabel)	Member	duration	crm:Range1Member
6	crm:Range2Member (terseLabel)	Member	duration	crm:Range2Member
7	crm:Range3Member (terseLabel)	Member	duration	crm:Range3Member
8	crm:Range4Member (terseLabel)	Member	duration	crm:Range4Member
9	crm:Range5Member (terseLabel)	Member	duration	crm:Range5Member
10	crm:Range6Member (terseLabel)	Member	duration	crm:Range6Member
11	crm:Range7Member (terseLabel)	Member	duration	crm:Range7Member
12	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
13	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit (terseLabel)	Concept (Per-Share)	duration	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
14	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit (terseLabel)	Concept (Per-Share)	duration	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
15	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions (terseLabel)	Concept (Shares)	instant	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
16	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2 (terseLabel)	Concept (Duration)	duration	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
17	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 (terseLabel)	Concept (Per-Share)	instant	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
18	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions (terseLabel)	Concept (Shares)	instant	us-gaap:ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
19	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 (terseLabel)	Concept (Per-Share)	instant	us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1

Model Structure
Network	2411406 - Disclosure - Stockholders' Equity - Schedule of Restricted Stock Activity (Detail) (http://salesforce.com/role/StockholdersEquityScheduleOfRestrictedStockActivityDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Equity [Abstract]	Abstract	duration		us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration		us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:AwardTypeAxis (terseLabel)	Axis	duration		us-gaap:AwardTypeAxis
4	us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain (terseLabel)	Member	duration		us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain
5	us-gaap:RestrictedStockMember (terseLabel)	Member	duration		us-gaap:RestrictedStockMember
6	us-gaap:PerformanceSharesMember (terseLabel)	Member	duration		us-gaap:PerformanceSharesMember
7	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
8	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward (terseLabel)	Abstract	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
9	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber (periodStartLabel)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
10	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod (terseLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
11	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod (negatedLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
12	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod (negatedLabel)	Concept (Shares)	duration		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
13	Ending Balance (in shares)	Concept (Shares)	instant		us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
14	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber (terseLabel)	Concept (Shares)	instant		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber
15	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollForward (terseLabel)	Abstract	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageExercisePriceRollForward
16	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (periodStartLabel)	Concept (Per-Share)	instant		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice
17	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice
18	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice
19	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice (terseLabel)	Concept (Per-Share)	duration		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice
20	Weighted- Average Exercise Price, Restricted Stock Outstanding, Balance (in dollars per share)	Concept (Per-Share)	instant		crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice
21	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract (terseLabel)	Abstract	duration		us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract
22	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding (periodEndLabel)	Concept (Monetary)	instant	debit	us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
23	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue (terseLabel)	Concept (Monetary)	instant	debit	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue

Model Structure
Network	2411407 - Disclosure - Stockholders' Equity - Shares of Common Stock Available for Future Issuance under Stock Option Plans (Detail) (http://salesforce.com/role/StockholdersEquitySharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Equity [Abstract]	Abstract	duration	us-gaap:EquityAbstract
2	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable (terseLabel)	Table	duration	us-gaap:ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable
3	us-gaap:PlanNameAxis (terseLabel)	Axis	duration	us-gaap:PlanNameAxis
4	us-gaap:PlanNameDomain (terseLabel)	Member	duration	us-gaap:PlanNameDomain
5	crm:TwoThousandAndThirteenEquityIncentivePlanMember (terseLabel)	Member	duration	crm:TwoThousandAndThirteenEquityIncentivePlanMember
6	crm:TwoThousandAndFourteenInducementEquityIncentivePlanMember (terseLabel)	Member	duration	crm:TwoThousandAndFourteenInducementEquityIncentivePlanMember
7	crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (terseLabel)	Member	duration	crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember
8	crm:AssumedEquityPlansMember (terseLabel)	Member	duration	crm:AssumedEquityPlansMember
9	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems (terseLabel)	LineItems	duration	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
10	Options outstanding (in shares)	Concept (Shares)	instant	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
11	Restricted stock awards and units and performance-based stock units outstanding (in shares)	Concept (Shares)	instant	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
12	Stock available for future grant (in shares)	Concept (Shares)	instant	us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
13	us-gaap:CommonStockCapitalSharesReservedForFutureIssuance (terseLabel)	Concept (Shares)	instant	us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

Model Structure
Network	2412402 - Disclosure - Commitments - Additional Information (Detail) (http://salesforce.com/role/CommitmentsAdditionalInformationDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration		us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	us-gaap:OtherCommitmentsTable (terseLabel)	Table	duration		us-gaap:OtherCommitmentsTable
3	us-gaap:LongtermDebtTypeAxis (terseLabel)	Axis	duration		us-gaap:LongtermDebtTypeAxis
4	us-gaap:LongtermDebtTypeDomain (terseLabel)	Member	duration		us-gaap:LongtermDebtTypeDomain
5	us-gaap:LetterOfCreditMember (terseLabel)	Member	duration		us-gaap:LetterOfCreditMember
6	us-gaap:OtherCommitmentsAxis (terseLabel)	Axis	duration		us-gaap:OtherCommitmentsAxis
7	us-gaap:OtherCommitmentsDomain (terseLabel)	Member	duration		us-gaap:OtherCommitmentsDomain
8	crm:FinancingObligationLeasedFacilityMember (terseLabel)	Member	duration		crm:FinancingObligationLeasedFacilityMember
9	crm:FacilitiesSpaceMember (terseLabel)	Member	duration		crm:FacilitiesSpaceMember
10	us-gaap:LeaseArrangementTypeAxis (terseLabel)	Axis	duration		us-gaap:LeaseArrangementTypeAxis
11	us-gaap:LeaseArrangementTypeDomain (terseLabel)	Member	duration		us-gaap:LeaseArrangementTypeDomain
12	crm:OfficeSpaceinSanFranciscoCAMember (terseLabel)	Member	duration		crm:OfficeSpaceinSanFranciscoCAMember
13	crm:WorkLocationExpectedinFiscal2022Member (terseLabel)	Member	duration		crm:WorkLocationExpectedinFiscal2022Member
14	us-gaap:OtherCommitmentsLineItems (terseLabel)	LineItems	duration		us-gaap:OtherCommitmentsLineItems
15	us-gaap:LettersOfCreditOutstandingAmount (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:LettersOfCreditOutstandingAmount
16	us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsWithinFourYears
17	us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsThereafter (terseLabel)	Concept (Monetary)	instant	debit	us-gaap:FutureMinimumSubleaseRentalsSaleLeasebackTransactionsThereafter
18	Expected financing obligation	Concept (Monetary)	instant	credit	us-gaap:OtherCommitment
19	us-gaap:NetRentableArea (terseLabel)	Concept (xbrli:decimalItemType)	instant		us-gaap:NetRentableArea
20	Operating lease commitment	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDue
21	us-gaap:LesseeOperatingLeaseTermOfContract (terseLabel)	Concept (Duration)	instant		us-gaap:LesseeOperatingLeaseTermOfContract
22	crm:CommitmentsContractuallyCommittedToUnderOperatingLeases (terseLabel)	Concept (Monetary)	instant	credit	crm:CommitmentsContractuallyCommittedToUnderOperatingLeases
23	us-gaap:OperatingLeasesRentExpenseNet (terseLabel)	Concept (Monetary)	duration	debit	us-gaap:OperatingLeasesRentExpenseNet
24	us-gaap:PurchaseObligation (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:PurchaseObligation
25	crm:PaymentsforContractualCommitments (terseLabel)	Concept (Monetary)	duration	credit	crm:PaymentsforContractualCommitments
26	us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted
27	us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear

Model Structure
Network	2412403 - Disclosure - Commitments - Schedule of Future Minimum Lease Payments under Non-Cancelable Operating and Capital Leases (Detail) (http://salesforce.com/role/CommitmentsScheduleOfFutureMinimumLeasePaymentsUnderNonCancelableOperatingAndCapitalLeasesDetail)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration		us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	us-gaap:CapitalLeasesFutureMinimumPaymentsDueAbstract (terseLabel)	Abstract	duration		us-gaap:CapitalLeasesFutureMinimumPaymentsDueAbstract
3	us-gaap:CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear
4	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears
5	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears
6	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFourYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFourYears
7	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFiveYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDueInFiveYears
8	us-gaap:CapitalLeasesFutureMinimumPaymentsDueThereafter (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDueThereafter
9	us-gaap:CapitalLeasesFutureMinimumPaymentsDue (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsDue
10	us-gaap:CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments (negatedLabel)	Concept (Monetary)	instant	debit	us-gaap:CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
11	us-gaap:CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
12	us-gaap:OperatingLeasesFutureMinimumPaymentsDueAbstract (terseLabel)	Abstract	duration		us-gaap:OperatingLeasesFutureMinimumPaymentsDueAbstract
13	us-gaap:OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear
14	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears
15	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears
16	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears
17	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears
18	us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter
19	us-gaap:OperatingLeasesFutureMinimumPaymentsDue (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:OperatingLeasesFutureMinimumPaymentsDue
20	crm:FinancingObligationLeasedFacilityAbstract (terseLabel)	Abstract	duration		crm:FinancingObligationLeasedFacilityAbstract
21	us-gaap:OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear
22	us-gaap:OtherCommitmentDueInSecondYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentDueInSecondYear
23	us-gaap:OtherCommitmentDueInThirdYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentDueInThirdYear
24	us-gaap:OtherCommitmentDueInFourthYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentDueInFourthYear
25	us-gaap:OtherCommitmentDueInFifthYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentDueInFifthYear
26	us-gaap:OtherCommitmentDueAfterFifthYear (terseLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitmentDueAfterFifthYear
27	us-gaap:OtherCommitment (totalLabel)	Concept (Monetary)	instant	credit	us-gaap:OtherCommitment

Model Structure
Network	2413401 - Disclosure - Employee Benefit Plans (Details) (http://salesforce.com/role/EmployeeBenefitPlansDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	Abstract	duration		us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
2	us-gaap:DeferredCompensationArrangementWithIndividualContributionsByEmployer (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:DeferredCompensationArrangementWithIndividualContributionsByEmployer

Model Structure
Network	2414401 - Disclosure - Legal Proceedings and Claims (Details) (http://salesforce.com/role/LegalProceedingsAndClaimsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Name
1	Commitments and Contingencies Disclosure [Abstract]	Abstract	duration	us-gaap:CommitmentsAndContingenciesDisclosureAbstract
2	us-gaap:LossContingenciesTable (terseLabel)	Table	duration	us-gaap:LossContingenciesTable
3	srt:LitigationCaseAxis (terseLabel)	Axis	duration	srt:LitigationCaseAxis
4	srt:LitigationCaseTypeDomain (terseLabel)	Member	duration	srt:LitigationCaseTypeDomain
5	crm:ShareholderDerivativeLawsuitsMember (terseLabel)	Member	duration	crm:ShareholderDerivativeLawsuitsMember
6	us-gaap:LossContingenciesLineItems (terseLabel)	LineItems	duration	us-gaap:LossContingenciesLineItems
7	us-gaap:LossContingencyNewClaimsFiledNumber (terseLabel)	Concept (Integer)	duration	us-gaap:LossContingencyNewClaimsFiledNumber

Model Structure
Network	2415401 - Disclosure - Related-Party Transactions (Details) (http://salesforce.com/role/RelatedPartyTransactionsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Related Party Transactions [Abstract]	Abstract	duration		us-gaap:RelatedPartyTransactionsAbstract
2	us-gaap:ScheduleOfRelatedPartyTransactionsByRelatedPartyTable (terseLabel)	Table	duration		us-gaap:ScheduleOfRelatedPartyTransactionsByRelatedPartyTable
3	us-gaap:RelatedPartyTransactionsByRelatedPartyAxis (terseLabel)	Axis	duration		us-gaap:RelatedPartyTransactionsByRelatedPartyAxis
4	us-gaap:RelatedPartyDomain (terseLabel)	Member	duration		us-gaap:RelatedPartyDomain
5	srt:AffiliatedEntityMember (terseLabel)	Member	duration		srt:AffiliatedEntityMember
6	us-gaap:RelatedPartyTransactionLineItems (terseLabel)	LineItems	duration		us-gaap:RelatedPartyTransactionLineItems
7	crm:NumberofCompanysBoardMembersthatHoldBoardSeatsinFoundation (terseLabel)	Concept (Integer)	instant		crm:NumberofCompanysBoardMembersthatHoldBoardSeatsinFoundation
8	crm:NumberofBoardSeatsinFoundation (terseLabel)	Concept (Integer)	instant		crm:NumberofBoardSeatsinFoundation
9	crm:NumberofCompanysEmployeesthatHoldBoardSeatsinNonProfit (terseLabel)	Concept (Integer)	instant		crm:NumberofCompanysEmployeesthatHoldBoardSeatsinNonProfit
10	crm:NumberCompanysBoardMembersthatHoldBoardSeatsinNonProfit (terseLabel)	Concept (Integer)	instant		crm:NumberCompanysBoardMembersthatHoldBoardSeatsinNonProfit
11	crm:NumberofBoardSeatsinNonProfitHeldbyCompanysEmployeesandChairman (terseLabel)	Concept (Integer)	instant		crm:NumberofBoardSeatsinNonProfitHeldbyCompanysEmployeesandChairman
12	crm:NumberofBoardSeatsinNonProfit (terseLabel)	Concept (Integer)	instant		crm:NumberofBoardSeatsinNonProfit
13	crm:ValueOfResourcesDonatedToRelatedParties (terseLabel)	Concept (Monetary)	duration	debit	crm:ValueOfResourcesDonatedToRelatedParties
14	crm:FairValueOfDonatedSubscriptionsToRelatedParties (terseLabel)	Concept (Monetary)	duration	debit	crm:FairValueOfDonatedSubscriptionsToRelatedParties

Model Structure
Network	2416402 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnauditedDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	Quarterly Financial Information Disclosure [Abstract]	Abstract	duration		us-gaap:QuarterlyFinancialInformationDisclosureAbstract
2	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
3	Gross profit	Concept (Monetary)	duration	credit	us-gaap:GrossProfit
4	Income (loss) from operations	Concept (Monetary)	duration	credit	us-gaap:OperatingIncomeLoss
5	Net income	Concept (Monetary)	duration	credit	us-gaap:NetIncomeLoss
6	us-gaap:EarningsPerShareBasic (terseLabel)	Concept (Per-Share)	duration		us-gaap:EarningsPerShareBasic
7	us-gaap:EarningsPerShareDiluted (terseLabel)	Concept (Per-Share)	duration		us-gaap:EarningsPerShareDiluted

Model Structure
Network	2417401 - Schedule - Schedule II Valuation and Qualifying Accounts (Details) (http://salesforce.com/role/ScheduleIiValuationAndQualifyingAccountsDetails)
Table	(implied)

#	Label	Report Element Class	Period Type	Balance	Name
1	SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]	Abstract	duration		srt:ValuationAndQualifyingAccountsAbstract
2	srt:ValuationAndQualifyingAccountsDisclosureTable (terseLabel)	Table	duration		srt:ValuationAndQualifyingAccountsDisclosureTable
3	us-gaap:ValuationAllowancesAndReservesTypeAxis (terseLabel)	Axis	duration		us-gaap:ValuationAllowancesAndReservesTypeAxis
4	us-gaap:ValuationAllowancesAndReservesDomain (terseLabel)	Member	duration		us-gaap:ValuationAllowancesAndReservesDomain
5	us-gaap:AllowanceForCreditLossMember (terseLabel)	Member	duration		us-gaap:AllowanceForCreditLossMember
6	srt:ValuationAndQualifyingAccountsDisclosureLineItems (terseLabel)	LineItems	duration		srt:ValuationAndQualifyingAccountsDisclosureLineItems
7	us-gaap:MovementInValuationAllowancesAndReservesRollForward (terseLabel)	Abstract	duration		us-gaap:MovementInValuationAllowancesAndReservesRollForward
8	us-gaap:ValuationAllowancesAndReservesBalance (periodStartLabel)	Concept (Monetary)	instant	credit	us-gaap:ValuationAllowancesAndReservesBalance
9	us-gaap:ValuationAllowancesAndReservesReservesOfBusinessesAcquired (terseLabel)	Concept (Monetary)	duration	credit	us-gaap:ValuationAllowancesAndReservesReservesOfBusinessesAcquired
10	us-gaap:ValuationAllowancesAndReservesDeductions (negatedTerseLabel)	Concept (Monetary)	duration	debit	us-gaap:ValuationAllowancesAndReservesDeductions
11	Balance at end of year	Concept (Monetary)	instant	credit	us-gaap:ValuationAllowancesAndReservesBalance

Fact Tables

The colours used for the fact values are significant, and have the following meanings:

Reported facts that have been checked by consistency rules are in green
derived (imputed) facts are in blue
inconsistent facts in red
...and the rest (reported but unckecked) are either in gray (if some rule failed to execute) or black (if no rules exist for the fact's concept)

Fact Table
Network	0001000 - Document - Document and Entity Information (http://salesforce.com/role/DocumentAndEntityInformation)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Amendment Flag	false
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Current Fiscal Year End Date	--01-31
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Document Fiscal Period Focus	FY
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Document Fiscal Year Focus	2019
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Document Period End Date	2019-01-31
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Document Type	10-K
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Central Index Key	0001108524
8	0001108524 (http://www.sec.gov/CIK)	2019-02-28	null	Entity Common Stock, Shares Outstanding	771000000	xbrli:shares	INF
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Current Reporting Status	Yes
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Emerging Growth Company	false
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Filer Category	Large Accelerated Filer
12	0001108524 (http://www.sec.gov/CIK)	2018-07-31	null	Entity Public Float	80000000000	iso4217:USD	-8
13	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Registrant Name	SALESFORCE COM INC
14	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Shell Company	false
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Small Business	false
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Voluntary Filers	No
17	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Entity Well-known Seasoned Issuer	Yes

Fact Table
Network	1001000 - Statement - Condensed Consolidated Balance Sheets (http://salesforce.com/role/CondensedConsolidatedBalanceSheets)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Accounts Payable, Current	76000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Accounts Payable, Current	165000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Accounts Receivable, Net, Current	3921000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Accounts Receivable, Net, Current	4924000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Accrued Liabilities, Current	970000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Accrued Liabilities, Current	1356000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Accumulated Other Comprehensive Income (Loss), Net of Tax	-12000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Accumulated Other Comprehensive Income (Loss), Net of Tax	-58000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Additional Paid in Capital, Common Stock	9752000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Additional Paid in Capital, Common Stock	13927000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Assets	21984000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Assets	30737000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Assets, Current	9584000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Assets, Current	10683000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Debt Securities, Available-for-sale, Current	1978000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Debt Securities, Available-for-sale, Current	1673000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Capitalized Computer Software, Net	146000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capitalized Computer Software, Net	152000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Capitalized Contract Cost, Net, Current	671000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capitalized Contract Cost, Net, Current	788000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Capitalized Contract Cost, Net, Noncurrent	1105000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capitalized Contract Cost, Net, Noncurrent	1232000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2016-01-31	null	Cash and Cash Equivalents, at Carrying Value	1158000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Cash and Cash Equivalents, at Carrying Value	1607000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Cash and Cash Equivalents, at Carrying Value	2543000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Cash and Cash Equivalents, at Carrying Value	2669000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Commitments and Contingencies	null	iso4217:USD
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Commitments and Contingencies	null	iso4217:USD
29	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Common Stock, Value, Issued	1000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Common Stock, Value, Issued	1000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2018-07-31	null	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-10-31	null	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Employee-related Liabilities, Current	1001000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Employee-related Liabilities, Current	1167000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Goodwill	7264000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Goodwill	7314000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Goodwill	12851000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Intangible Assets, Net (Excluding Goodwill)	827000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Intangible Assets, Net (Excluding Goodwill)	1923000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Liabilities	11608000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Liabilities	15132000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Liabilities and Equity	21984000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Liabilities and Equity	30737000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Liabilities, Current	10067000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Liabilities, Current	11255000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Long-term Debt, Current Maturities	1025000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Current Maturities	3000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Long-term Debt, Excluding Current Maturities	695000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Excluding Current Maturities	3173000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Other Assets, Noncurrent	384000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Assets, Noncurrent	543000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Other Liabilities, Noncurrent	846000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Liabilities, Noncurrent	704000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Other Long-term Investments	677000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Long-term Investments	1302000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Preferred Stock, Value, Issued	0	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Value, Issued	0	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Prepaid Expense and Other Assets, Current	471000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Prepaid Expense and Other Assets, Current	629000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Property, Plant and Equipment, Net	1947000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Property, Plant and Equipment, Net	2051000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Retained Earnings (Accumulated Deficit)	635000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Retained Earnings (Accumulated Deficit)	1735000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2016-01-31	null	Stockholders' Equity Attributable to Parent	5003000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Stockholders' Equity Attributable to Parent	8230000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Stockholders' Equity Attributable to Parent	10376000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Stockholders' Equity Attributable to Parent	15605000000	iso4217:USD	-6

Fact Table
Network	1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) (http://salesforce.com/role/CondensedConsolidatedBalanceSheetsParenthetical)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Allowance for Doubtful Accounts Receivable	21000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Allowance for Doubtful Accounts Receivable	22000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Common Stock, Par or Stated Value Per Share	0.001	iso4217:USD/xbrli:shares	INF
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Common Stock, Par or Stated Value Per Share	0.001	iso4217:USD/xbrli:shares	INF
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Common Stock, Shares Authorized	1600000000	xbrli:shares	INF
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Common Stock, Shares Authorized	1600000000	xbrli:shares	INF
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Common Stock, Shares, Issued	730000000	xbrli:shares	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Common Stock, Shares, Issued	770000000	xbrli:shares	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Common Stock, Shares, Outstanding	730000000	xbrli:shares	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Common Stock, Shares, Outstanding	770000000	xbrli:shares	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Preferred Stock, Par or Stated Value Per Share	0.001	iso4217:USD/xbrli:shares	INF
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Par or Stated Value Per Share	0.001	iso4217:USD/xbrli:shares	INF
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Preferred Stock, Shares Authorized	5000000000	xbrli:shares	INF
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Shares Authorized	5000000000	xbrli:shares	INF
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Preferred Stock, Shares Issued	0	xbrli:shares	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Shares Issued	0	xbrli:shares	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Preferred Stock, Shares Outstanding	0	xbrli:shares	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Shares Outstanding	0	xbrli:shares	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Preferred Stock, Shares Outstanding	0	xbrli:shares	INF

Fact Table
Network	1002000 - Statement - Condensed Consolidated Statements of Operations (http://salesforce.com/role/CondensedConsolidatedStatementsOfOperations)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Cost of Goods and Services Sold	2234000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:ProfessionalServicesandOtherMember (label)	Cost of Goods and Services Sold	617000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:SubscriptionandSupportMember (label)	Cost of Goods and Services Sold	1617000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Cost of Goods and Services Sold	2773000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:ProfessionalServicesandOtherMember (label)	Cost of Goods and Services Sold	740000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:SubscriptionandSupportMember (label)	Cost of Goods and Services Sold	2033000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Cost of Goods and Services Sold	3451000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:ProfessionalServicesandOtherMember (label)	Cost of Goods and Services Sold	847000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:SubscriptionandSupportMember (label)	Cost of Goods and Services Sold	2604000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Earnings Per Share, Basic	0.0	iso4217:USD/xbrli:shares	2
12	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Earnings Per Share, Basic	0.06	iso4217:USD/xbrli:shares	2
13	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Earnings Per Share, Basic	0.15	iso4217:USD/xbrli:shares	2
14	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Earnings Per Share, Basic	0.28	iso4217:USD/xbrli:shares	2
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Earnings Per Share, Basic	0.5	iso4217:USD/xbrli:shares	2
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
17	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Earnings Per Share, Basic	0.4	iso4217:USD/xbrli:shares	2
18	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Earnings Per Share, Basic	0.14	iso4217:USD/xbrli:shares	2
19	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Earnings Per Share, Basic	1.48	iso4217:USD/xbrli:shares	2
21	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
22	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Earnings Per Share, Diluted	0.0	iso4217:USD/xbrli:shares	2
23	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.06	iso4217:USD/xbrli:shares	2
24	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.14	iso4217:USD/xbrli:shares	2
25	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.28	iso4217:USD/xbrli:shares	2
26	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.49	iso4217:USD/xbrli:shares	2
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
28	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.39	iso4217:USD/xbrli:shares	2
29	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.13	iso4217:USD/xbrli:shares	2
30	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Earnings Per Share, Diluted	1.43	iso4217:USD/xbrli:shares	2
32	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Gain (Loss) on Investments	31000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Gain (Loss) on Investments	19000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Gain (Loss) on Investments	542000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	General and Administrative Expense	966000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	General and Administrative Expense	1089000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	General and Administrative Expense	1346000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Gross Profit	6203000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Gross Profit	1746000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Gross Profit	1907000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Gross Profit	1987000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Gross Profit	2127000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Gross Profit	7767000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Gross Profit	2239000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Gross Profit	2432000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Gross Profit	2503000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Gross Profit	2657000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Gross Profit	9831000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	179000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	420000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	983000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Income Tax Expense (Benefit)	-144000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Income Tax Expense (Benefit)	60000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Income Tax Expense (Benefit)	-127000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Interest Expense	89000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Interest Expense	87000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Interest Expense	154000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Investment Income, Net	27000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Investment Income, Net	36000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Investment Income, Net	57000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Operating Expenses	5985000000	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Operating Expenses	7313000000	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Operating Expenses	9296000000	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Operating Income (Loss)	218000000	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Operating Income (Loss)	4000000	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Operating Income (Loss)	84000000	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Operating Income (Loss)	155000000	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Operating Income (Loss)	211000000	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Operating Income (Loss)	454000000	iso4217:USD	-6
81	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Operating Income (Loss)	191000000	iso4217:USD	-6
82	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Operating Income (Loss)	115000000	iso4217:USD	-6
83	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Operating Income (Loss)	92000000	iso4217:USD	-6
84	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Operating Income (Loss)	137000000	iso4217:USD	-6
85	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Operating Income (Loss)	535000000	iso4217:USD	-6
86	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Other Nonoperating Income (Expense)	-8000000	iso4217:USD	-6
87	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Other Nonoperating Income (Expense)	-2000000	iso4217:USD	-6
88	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Other Nonoperating Income (Expense)	3000000	iso4217:USD	-6
89	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Research and Development Expense	1208000000	iso4217:USD	-6
90	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Research and Development Expense	1553000000	iso4217:USD	-6
91	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Research and Development Expense	1886000000	iso4217:USD	-6
92	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	8437000000	iso4217:USD	-6
93	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:ProfessionalServicesandOtherMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	638000000	iso4217:USD	-6
94	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:SubscriptionandSupportMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	7799000000	iso4217:USD	-6
95	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2397000000	iso4217:USD	-6
96	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2577000000	iso4217:USD	-6
97	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2701000000	iso4217:USD	-6
98	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2865000000	iso4217:USD	-6
99	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	10540000000	iso4217:USD	-6
100	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:ProfessionalServicesandOtherMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	774000000	iso4217:USD	-6
101	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:SubscriptionandSupportMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	9766000000	iso4217:USD	-6
102	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3006000000	iso4217:USD	-6
103	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3281000000	iso4217:USD	-6
104	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3392000000	iso4217:USD	-6
105	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3603000000	iso4217:USD	-6
106	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	13282000000	iso4217:USD	-6
107	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:ProfessionalServicesandOtherMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	869000000	iso4217:USD	-6
108	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:SubscriptionandSupportMember (label)	Revenue from Contract with Customer, Excluding Assessed Tax	12413000000	iso4217:USD	-6
109	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Selling and Marketing Expense	3811000000	iso4217:USD	-6
110	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Selling and Marketing Expense	4671000000	iso4217:USD	-6
111	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Selling and Marketing Expense	6064000000	iso4217:USD	-6
112	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Diluted	700000000	xbrli:shares	-6
113	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Diluted	700000000	xbrli:shares	-6
114	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Diluted	735000000	xbrli:shares	-6
115	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Diluted	775000000	xbrli:shares	-6
116	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Basic	688000000	xbrli:shares	-6
117	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Basic	688000000	xbrli:shares	-6
118	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Basic	715000000	xbrli:shares	-6
119	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain]	Weighted Average Number of Shares Outstanding, Basic	751000000	xbrli:shares	-6

Fact Table
Network	1002501 - Statement - Condensed Consolidated Statements of Operations (Parenthetical) (http://salesforce.com/role/CondensedConsolidatedStatementsOfOperationsParenthetical)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Cost of Sales [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	128000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Selling and Marketing Expense [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	98000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Cost of Sales [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	166000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Selling and Marketing Expense [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	121000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Cost of Sales [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	215000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Selling and Marketing Expense [Member]	crm:AmortizationOfPurchasedIntangiblesFromBusinessCombinations (label)	232000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Income Statement Location [Domain]	Share-based Compensation	820000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Cost of Sales [Member]	Share-based Compensation	107000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	General and Administrative Expense [Member]	Share-based Compensation	136000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Research and Development Expense [Member]	Share-based Compensation	188000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Selling and Marketing Expense [Member]	Share-based Compensation	389000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Income Statement Location [Domain]	Share-based Compensation	997000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Cost of Sales [Member]	Share-based Compensation	130000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	General and Administrative Expense [Member]	Share-based Compensation	138000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Research and Development Expense [Member]	Share-based Compensation	260000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Selling and Marketing Expense [Member]	Share-based Compensation	469000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Income Statement Location [Domain]	Share-based Compensation	1283000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Cost of Sales [Member]	Share-based Compensation	161000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	General and Administrative Expense [Member]	Share-based Compensation	172000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Research and Development Expense [Member]	Share-based Compensation	307000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Selling and Marketing Expense [Member]	Share-based Compensation	643000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Income Statement Location [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-226000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Income Statement Location [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-2000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Income Statement Location [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-612000000	iso4217:USD	-6

Fact Table
Network	1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income (http://salesforce.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	287000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	434000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	1071000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Other Comprehensive Income (Loss), before Tax	-39000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Other Comprehensive Income (Loss), before Tax	73000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Other Comprehensive Income (Loss), before Tax	-38000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	-53000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	77000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	-26000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Other Comprehensive Income (Loss), Net of Tax	-36000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Other Comprehensive Income (Loss), Net of Tax	74000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Other Comprehensive Income (Loss), Net of Tax	-39000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Other Comprehensive Income (Loss), Tax	-3000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Other Comprehensive Income (Loss), Tax	-1000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Other Comprehensive Income (Loss), Tax	1000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax	14000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax	-4000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, before Tax	-12000000	iso4217:USD	-6

Fact Table
Network	1004000 - Statement - Condensed Consolidated Statements of Stockholders’ Equity (http://salesforce.com/role/CondensedConsolidatedStatementsOfStockholdersEquity)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	-4000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Additional Paid-in Capital [Member]	Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	-4000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	816000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Additional Paid-in Capital [Member]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	816000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	995000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Additional Paid-in Capital [Member]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	995000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	1281000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Additional Paid-in Capital [Member]	Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	1281000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Cumulative Effect on Retained Earnings, Tax	9000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Retained Earnings [Member]	Cumulative Effect on Retained Earnings, Tax	9000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Retained Earnings [Member]	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Retained Earnings [Member]	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Retained Earnings [Member]	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	596000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Retained Earnings [Member]	New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	596000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	-17000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	AOCI Attributable to Parent [Member]	New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	-7000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Retained Earnings [Member]	New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	-10000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	-36000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	AOCI Attributable to Parent [Member]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	-36000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	74000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	AOCI Attributable to Parent [Member]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	74000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	-39000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	AOCI Attributable to Parent [Member]	Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	-39000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Common Stock [Member]	Shares, Outstanding	671000000	xbrli:shares	-6
37	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Common Stock [Member]	Shares, Outstanding	707000000	xbrli:shares	-6
38	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Common Stock [Member]	Shares, Outstanding	730000000	xbrli:shares	-6
39	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Common Stock [Member]	Shares, Outstanding	770000000	xbrli:shares	-6
40	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Common Stock [Member]	Stock Issued During Period, Shares, Acquisitions	20000000	xbrli:shares	-6
41	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Common Stock [Member]	Stock Issued During Period, Shares, Acquisitions	13000000	xbrli:shares	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Common Stock [Member]	Stock Issued During Period, Shares, Conversion of Convertible Securities	6000000	xbrli:shares	-6
43	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Common Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	16000000	xbrli:shares	-6
44	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Common Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	23000000	xbrli:shares	-6
45	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	8495000	xbrli:shares	-3
46	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Common Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	21000000	xbrli:shares	-6
47	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Acquisitions	1192000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Acquisitions	1192000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Acquisitions	12000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Acquisitions	12000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Acquisitions	2195000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Acquisitions	2195000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Conversion of Convertible Securities	4000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Conversion of Convertible Securities	4000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Stock Options Exercised	327000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Stock Options Exercised	327000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Stock Options Exercised	709000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Stock Options Exercised	709000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Component [Domain]	Stock Issued During Period, Value, Stock Options Exercised	695000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Additional Paid-in Capital [Member]	Stock Issued During Period, Value, Stock Options Exercised	695000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Equity Component [Domain]	Stockholders' Equity Attributable to Parent	5003000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2016-01-31	AOCI Attributable to Parent [Member]	Stockholders' Equity Attributable to Parent	-50000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Additional Paid-in Capital [Member]	Stockholders' Equity Attributable to Parent	5705000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Common Stock [Member]	Stockholders' Equity Attributable to Parent	1000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Retained Earnings [Member]	Stockholders' Equity Attributable to Parent	-653000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Equity Component [Domain]	Stockholders' Equity Attributable to Parent	8230000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2017-01-31	AOCI Attributable to Parent [Member]	Stockholders' Equity Attributable to Parent	-86000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Additional Paid-in Capital [Member]	Stockholders' Equity Attributable to Parent	8040000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Common Stock [Member]	Stockholders' Equity Attributable to Parent	1000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Retained Earnings [Member]	Stockholders' Equity Attributable to Parent	275000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Equity Component [Domain]	Stockholders' Equity Attributable to Parent	10376000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2018-01-31	AOCI Attributable to Parent [Member]	Stockholders' Equity Attributable to Parent	-12000000	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Additional Paid-in Capital [Member]	Stockholders' Equity Attributable to Parent	9752000000	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Common Stock [Member]	Stockholders' Equity Attributable to Parent	1000000	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Retained Earnings [Member]	Stockholders' Equity Attributable to Parent	635000000	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Component [Domain]	Stockholders' Equity Attributable to Parent	15605000000	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2019-01-31	AOCI Attributable to Parent [Member]	Stockholders' Equity Attributable to Parent	-58000000	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Additional Paid-in Capital [Member]	Stockholders' Equity Attributable to Parent	13927000000	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Common Stock [Member]	Stockholders' Equity Attributable to Parent	1000000	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Retained Earnings [Member]	Stockholders' Equity Attributable to Parent	1735000000	iso4217:USD	-6

Fact Table
Network	1005000 - Statement - Condensed Consolidated Statements of Cash Flows (http://salesforce.com/role/CondensedConsolidatedStatementsOfCashFlows)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:EquityAwardsAssumed (label)	103000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:EquityAwardsAssumed (label)	0	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:EquityAwardsAssumed (label)	480000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	693000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	1156000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	981000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale (label)	31000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale (label)	19000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:MarketableEquityandNonMarketableDebtandEquitySecuritiesRealizedGainsLossonSale (label)	542000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration (label)	1089000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration (label)	12000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:NoncashOrPartNoncashAcquisitionNoncashFinancialorEquityInstrumentConsideration (label)	1715000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies (label)	110000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies (label)	216000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:PaymentsForInvestmentsInPrivatelyHeldCompanies (label)	362000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies (label)	80000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies (label)	131000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:ProceedsFromInvestmentsInPrivatelyHeldCompanies (label)	260000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Amortization of Debt Issuance Costs and Discounts	31000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Amortization of Debt Issuance Costs and Discounts	31000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Amortization of Debt Issuance Costs and Discounts	20000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Capitalized Contract Cost, Amortization	470000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Capitalized Contract Cost, Amortization	592000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Capitalized Contract Cost, Amortization	737000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-01-31	null	Cash and Cash Equivalents, at Carrying Value	1158000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Cash and Cash Equivalents, at Carrying Value	1607000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Cash and Cash Equivalents, at Carrying Value	2543000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Cash and Cash Equivalents, at Carrying Value	2669000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Cash and Cash Equivalents, Period Increase (Decrease)	449000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Cash and Cash Equivalents, Period Increase (Decrease)	936000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Cash and Cash Equivalents, Period Increase (Decrease)	126000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Depreciation, Depletion and Amortization, Nonproduction	632000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Depreciation, Depletion and Amortization, Nonproduction	753000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Depreciation, Depletion and Amortization, Nonproduction	962000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effect of Exchange Rate on Cash and Cash Equivalents	-27000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effect of Exchange Rate on Cash and Cash Equivalents	-12000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effect of Exchange Rate on Cash and Cash Equivalents	26000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income Taxes Paid, Net	36000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income Taxes Paid, Net	53000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income Taxes Paid, Net	83000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Increase (Decrease) in Accounts Payable	35000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Increase (Decrease) in Accounts Payable	-39000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Increase (Decrease) in Accounts Payable	74000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Increase (Decrease) in Accounts Receivable	633000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Increase (Decrease) in Accounts Receivable	719000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Increase (Decrease) in Accounts Receivable	923000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Increase (Decrease) in Accrued Liabilities	69000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Increase (Decrease) in Accrued Liabilities	392000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Increase (Decrease) in Accrued Liabilities	213000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Increase (Decrease) in Contract with Customer, Liability	1186000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Increase (Decrease) in Contract with Customer, Liability	1528000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Increase (Decrease) in Contract with Customer, Liability	1503000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Increase (Decrease) in Prepaid Expense and Other Assets	47000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Increase (Decrease) in Prepaid Expense and Other Assets	-18000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Increase (Decrease) in Prepaid Expense and Other Assets	58000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	55000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	40000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Interest Paid, Including Capitalized Interest, Operating and Investing Activities	94000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Cash Provided by (Used in) Financing Activities	998000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Cash Provided by (Used in) Financing Activities	221000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Cash Provided by (Used in) Financing Activities	2010000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Cash Provided by (Used in) Investing Activities	-2684000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Cash Provided by (Used in) Investing Activities	-2011000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Cash Provided by (Used in) Investing Activities	-5308000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Cash Provided by (Used in) Operating Activities	2162000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Cash Provided by (Used in) Operating Activities	2738000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Cash Provided by (Used in) Operating Activities	3398000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Payments to Acquire Debt Securities, Available-for-sale	1070000000	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Payments to Acquire Debt Securities, Available-for-sale	2003000000	iso4217:USD	-6
81	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Payments to Acquire Debt Securities, Available-for-sale	1068000000	iso4217:USD	-6
82	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Payments to Acquire Businesses, Net of Cash Acquired	3193000000	iso4217:USD	-6
83	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Payments to Acquire Businesses, Net of Cash Acquired	25000000	iso4217:USD	-6
84	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Payments to Acquire Businesses, Net of Cash Acquired	5115000000	iso4217:USD	-6
85	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Payments to Acquire Property, Plant, and Equipment	464000000	iso4217:USD	-6
86	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Payments to Acquire Property, Plant, and Equipment	534000000	iso4217:USD	-6
87	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Payments to Acquire Property, Plant, and Equipment	595000000	iso4217:USD	-6
88	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Proceeds from Issuance of Medium-term Notes	1245000000	iso4217:USD	-6
89	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Proceeds from Issuance of Medium-term Notes	0	iso4217:USD	-6
90	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Proceeds from Issuance of Medium-term Notes	2966000000	iso4217:USD	-6
91	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale	68000000	iso4217:USD	-6
92	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale	78000000	iso4217:USD	-6
93	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale	146000000	iso4217:USD	-6
94	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Proceeds from Sale of Debt Securities, Available-for-sale	2005000000	iso4217:USD	-6
95	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Proceeds from Sale of Debt Securities, Available-for-sale	558000000	iso4217:USD	-6
96	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Proceeds from Sale of Debt Securities, Available-for-sale	1426000000	iso4217:USD	-6
97	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Proceeds from Stock Plans	401000000	iso4217:USD	-6
98	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Proceeds from Stock Plans	650000000	iso4217:USD	-6
99	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Proceeds from Stock Plans	704000000	iso4217:USD	-6
100	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Repayments of Long-term Capital Lease Obligations	98000000	iso4217:USD	-6
101	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Repayments of Long-term Capital Lease Obligations	106000000	iso4217:USD	-6
102	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Repayments of Long-term Capital Lease Obligations	131000000	iso4217:USD	-6
103	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Repayments of Long-term Lines of Credit	550000000	iso4217:USD	-6
104	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Repayments of Long-term Lines of Credit	323000000	iso4217:USD	-6
105	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Repayments of Long-term Lines of Credit	1529000000	iso4217:USD	-6
106	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Share-based Compensation	820000000	iso4217:USD	-6
107	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Share-based Compensation	997000000	iso4217:USD	-6
108	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Share-based Compensation	1283000000	iso4217:USD	-6

Fact Table
Network	2101100 - Disclosure - Summary of Business and Significant Accounting Policies (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPolicies)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]

Summary of Business and Significant Accounting Policies

Description of Business

Salesforce.com, inc. (the "Company") is a leading provider of enterprise software, delivered through the cloud, with a focus on customer relationship management, or CRM. The Company introduced its first CRM solution in 2000, and has since expanded its service offerings into new areas and industries with new editions, features and platform capabilities.

The Company's core mission is to empower its customers to connect with their customers in entirely new ways through cloud, mobile, social, Internet of Things (“IoT”) and artificial intelligence ("AI") technologies.

The Company's Customer Success Platform is a comprehensive portfolio of service offerings providing sales force automation, customer service and support, marketing automation, digital commerce, integration solutions, community management, industry-specific solutions, analytics, application development, IoT integration, collaborative productivity tools, an enterprise cloud marketplace which the Company refers to as the AppExchange, and its professional services.

Fiscal Year

The Company’s fiscal year ends on January 31. References to fiscal 2019, for example, refer to the fiscal year ending January 31, 2019.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions in the Company’s consolidated financial statements and notes thereto.

Significant estimates and assumptions made by management include the determination of:


•	the standalone selling price (SSP) of performance obligations for contracts with multiple performance obligations;


•	the estimate of variable consideration as part of the adoption of Accounting Standards Update No. 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”);


•	the fair value of assets acquired and liabilities assumed for business combinations;


•	the recognition, measurement and valuation of current and deferred income taxes;


•	the average period of benefit associated with costs capitalized to obtain revenue contracts;


•	the fair value of certain stock awards issued;


•	the useful lives of intangible assets; and


•	the valuation of privately-held strategic investments.

Actual results could differ materially from those estimates. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable, the result of which forms the basis for making judgments about the carrying values of assets and liabilities.

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

Segments

The Company operates as one operating segment. Operating segments are defined as components of an enterprise for which separate financial information is evaluated regularly by the chief operating decision makers in deciding how to allocate resources and assess performance. Over the past few years, the Company has completed a number of acquisitions. These acquisitions have allowed the Company to expand its offerings, presence and reach in various market segments of the enterprise cloud computing market. While the Company has offerings in multiple enterprise cloud computing market segments, including as a result of the Company's acquisitions, the Company’s business operates in one operating segment because the Company's offerings operate on its single Customer Success Platform and most of the Company's products are deployed in an identical way, and the Company’s chief operating decision makers evaluate the Company’s financial information and resources and assess the performance of these resources on a consolidated basis. Since the Company operates in one operating segment, all required financial segment information can be found in the consolidated financial statements.

In August 2018, the Company moved to a co-chief executive officer model with the promotion of the Company's vice chairman and chief operating officer. The Company determined that both co-chief executive officers also serve as chief operating decision makers for the purposes of segment reporting. Despite the change in the chief operating decision maker, the Company determined no change to segment reporting was necessary as there was no change in the components of the Company for which separate financial information is regularly evaluated.

Concentrations of Credit Risk and Significant Customers

The Company’s financial instruments that are exposed to concentrations of credit risk consist primarily of cash and cash equivalents, marketable securities and accounts receivable. Collateral is not required for accounts receivable. The Company maintains an allowance for its doubtful accounts receivable. This allowance is based upon historical loss patterns, the number of days that billings are past due and an evaluation of the potential risk of loss associated with delinquent accounts. Receivables are written-off and charged against the recorded allowance when the Company has exhausted collection efforts without success.

No single customer accounted for more than five percent of accounts receivable at January 31, 2019 and January 31, 2018. No single customer accounted for five percent or more of total revenue during fiscal 2019, 2018 and 2017. As of January 31, 2019 and January 31, 2018, assets located outside the Americas were 14 percent and 17 percent of total assets, respectively. As of January 31, 2019 and January 31, 2018, assets located in the United States were 84 percent and 81 percent of total assets, respectively.

Revenue Recognition

Adoption of Topic 606

Effective at the start of fiscal 2019, the Company adopted the provisions and expanded disclosure requirements described in ASU 2014-09 also referred to as Topic 606. The Company adopted the standard using the full retrospective method. Accordingly, the results for the prior comparable periods were adjusted to conform to the current period measurement and recognition of results.

The impact of Topic 606 on reported revenue results was not material. Topic 606, however, modified the Company’s revenue recognition policy in the following ways:


•	Removal of the limitation on contingent revenue, which can result in the subscription and support revenue for certain multi-year customer contracts being recognized earlier in the duration of the contract term;


•	More allocation of subscription and support revenues across the Company’s cloud service offerings and to professional services revenue; and


•	Inclusion of an estimate of variable consideration, such as overage fees, in the total transaction price, which results in the estimated fees being recognized ratably over the contract term, further resulting in the recognition of subscription and support revenues before the actual variable consideration occurs.

The Company used the following transitional practical expedients in the adoption of Topic 606:


•	The Company has not disclosed the remaining performance obligation (formerly, remaining transaction price) for all of the reporting periods prior to the first quarter of fiscal 2019; and


•	Contracts modified before fiscal 2017 were reflected using the retrospective method.

Additionally, as part of its business strategy, the Company periodically makes acquisitions of complementary businesses, services and technology. These acquired businesses may have customer arrangements that include the delivery of an on-premise software element combined with a software-as-a-service element. This was the case with the Company's acquisition of MuleSoft, Inc. (“MuleSoft”) in May 2018. The Company has to apply significant judgment to determine the appropriate revenue recognition policy for such products and services since Topic 606 eliminated the provision that service revenue accounting was appropriate when the relative selling price of one or more deliverables in a multiple element solution arrangement could not be determined.

Revenue Recognition Policy

The Company derives its revenues from two sources: (1) subscription revenues, which are comprised of subscription fees from customers accessing the Company’s enterprise cloud computing services (collectively, "Cloud Services"), software licenses, and from customers paying for additional support beyond the standard support that is included in the basic subscription fees; and (2) related professional services such as process mapping, project management and implementation services. Other revenue consists primarily of training fees.

With the adoption of Topic 606, revenue is recognized upon transfer of control of promised products and services to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products or services. If the consideration promised in a contract includes a variable amount, for example, overage fees, contingent fees or service level penalties, the Company includes an estimate of the amount it expects to receive for the total transaction price if it is probable that a significant reversal of cumulative revenue recognized will not occur.

The Company determines the amount of revenue to be recognized through application of the following steps:

•Identification of the contract, or contracts with a customer;

•Identification of the performance obligations in the contract;

•Determination of the transaction price;

•Allocation of the transaction price to the performance obligations in the contract; and

•Recognition of revenue when or as the Company satisfies the performance obligations.

The Company’s subscription service arrangements are non-cancelable and do not contain refund-type provisions.

Subscription and Support Revenues

Subscription and support revenues are comprised of fees that provide customers with access to Cloud Services, software licenses and related support and updates during the term of the arrangement.

Cloud Services allow customers to use the Company's multi-tenant software without taking possession of the software. Revenue is generally recognized ratably over the contract term.

Since the May 2018 acquisition of MuleSoft, subscription and support revenues also includes software licenses. These licenses for on-premises software provide the customer with a right to use the software as it exists when made available. Customers purchase these licenses through a subscription. Revenues from distinct licenses are generally recognized upfront when the software is made available to the customer. In cases where the Company allocates revenue to software updates and support, primarily because the updates are provided at no additional charge, such revenue is recognized as the updates are provided, which is generally ratably over the contract term.

The Company typically invoices its customers annually. Typical payment terms provide that customers pay within 30 days of invoice. Amounts that have been invoiced are recorded in accounts receivable and in unearned revenue or revenue, depending on whether transfer of control to customers has occurred.

Professional Services and Other Revenues

The Company’s professional services contracts are either on a time and materials, fixed fee or subscription basis. These revenues are recognized as the services are rendered for time and materials contracts, on a proportional performance basis for fixed price contracts and ratably over the contract term for subscription professional services contracts. Training revenues are recognized as the services are performed.

Significant Judgments - Contracts with Multiple Performance Obligations

The Company enters into contracts with its customers that may include promises to transfer multiple Cloud Services, software licenses, premium support and professional services. A performance obligation is a promise in a contract with a customer to transfer products or services that are distinct. Determining whether products and services are distinct performance obligations that should be accounted for separately or combined as one unit of accounting may require significant judgment.

Cloud Services and software licenses are distinct as such offerings are often sold separately. In determining whether professional services are distinct, the Company considers the following factors for each professional services agreement: availability of the services from other vendors, the nature of the professional services, the timing of when the professional services contract was signed in comparison to the subscription start date and the contractual dependence of the service on the customer’s satisfaction with the professional services work. To date, the Company has concluded that all of the professional services included in contracts with multiple performance obligations are distinct.

The Company allocates the transaction price to each performance obligation on a relative standalone selling price ("SSP") basis. The SSP is the price at which the Company would sell a promised product or service separately to a customer. Judgment is required to determine the SSP for each distinct performance obligation.

The Company determines SSP by considering its overall pricing objectives and market conditions. Significant pricing practices taken into consideration include the Company’s discounting practices, the size and volume of the Company’s transactions, the customer demographic, the geographic area where services are sold, price lists, its go-to-market strategy, historical sales and contract prices. As the Company’s go-to-market strategies evolve, the Company may modify its pricing practices in the future, which could result in changes to SSP.

In certain cases, the Company is able to establish SSP based on observable prices of products or services sold separately in comparable circumstances to similar customers. The Company uses a single amount to estimate SSP when it has observable prices.

If SSP is not directly observable, for example when pricing is highly variable, the Company uses a range of SSP. The Company determines the SSP range using information that may include market conditions or other observable inputs. The Company typically has more than one SSP for individual products and services due to the stratification of those products and services by customer size and geography.

Costs Capitalized to Obtain Revenue Contracts

As part of its adoption of ASU 2014-09, the Company capitalizes incremental costs of obtaining a non-cancelable subscription and support revenue contract. The provisions of ASU 2014-09 are significantly different than the Company's previous accounting for deferred commissions. The new guidance results in the capitalization of significantly more costs and longer amortization lives. Under the prior accounting guidance, the Company only capitalized sales commissions that had a direct and incremental relationship to a specific new revenue contract and amortized the capitalized amounts over the initial contract period, which was typically 12 to 36 months.

Under the new accounting, the capitalized amounts consist primarily of sales commissions paid to the Company’s direct sales force. Capitalized amounts also include (1) amounts paid to employees other than the direct sales force who earn incentive payouts under annual compensation plans that are tied to the value of contracts acquired, (2) commissions paid to employees upon renewals of subscription and support contracts, (3) the associated payroll taxes and fringe benefit costs associated with the payments to the Company’s employees, and to a lesser extent (4) success fees paid to partners in emerging markets where the Company has a limited presence.

Costs capitalized related to new revenue contracts are amortized on a straight-line basis over four years, which, although longer than the typical initial contract period, reflects the average period of benefit, including expected contract renewals. In arriving at this average period of benefit, the Company evaluated both qualitative and quantitative factors which included the estimated life cycles of its offerings and its customer attrition. Additionally, the Company amortizes capitalized costs for renewals and success fees paid to partners over two years.

The capitalized amounts are recoverable through future revenue streams under all non-cancelable customer contracts. The Company periodically evaluates whether there have been any changes in its business, the market conditions in which it operates or other events which would indicate that its amortization period should be changed or if there are potential indicators of impairment.

Amortization of capitalized costs to obtain revenue contracts is included in marketing and sales expense in the accompanying consolidated statements of operations.

During fiscal 2019, the Company capitalized $1.0 billion of costs to obtain revenue contracts and amortized $0.7 billion to marketing and sales expense. During the same period a year ago, the Company capitalized $1.2 billion of costs to obtain revenue contracts and amortized $0.6 billion to marketing and sales expense. Costs capitalized to obtain a revenue contract, net on the Company's consolidated balance sheets totaled $2.0 billion at January 31, 2019 and $1.8 billion at January 31, 2018. There were no impairments of costs to obtain revenue contracts in fiscal 2019, 2018 and 2017.

Cash and Cash Equivalents

The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash and cash equivalents are stated at fair value.

Marketable Securities

The Company considers all of its marketable debt securities as available for use in current operations, including those with maturity dates beyond one year, and therefore classifies these securities within current assets on the consolidated balance sheets. Securities are classified as available for sale and are carried at fair value, with the change in unrealized gains and losses, net of tax, reported as a separate component on the consolidated statements of comprehensive income until realized. Fair value is determined based on quoted market rates when observable or utilizing data points that are observable, such as quoted prices, interest rates and yield curves. Declines in fair value judged to be other-than-temporary on securities available for sale are included as a reduction to investment income. To determine whether a decline in value is other-than-temporary, the Company evaluates, among other factors: the duration and extent to which the fair value has been less than the carrying value and its intent and ability to retain the investment for a period of time sufficient to allow for any anticipated recovery in fair value. For the purposes of computing realized and unrealized gains and losses, the cost of securities sold is based on the specific-identification method. Interest on securities classified as available for sale is included as a component of investment income.

Strategic Investments

The Company holds strategic investments in publicly held equity securities and privately held debt and equity securities in which the Company does not have a controlling interest or significant influence. Publicly held equity securities are measured using quoted prices in their respective active markets with changes recorded through gains (losses) on strategic investments, net on the consolidated statement of operations. Privately held equity securities without a readily determinable fair value are recorded at cost and adjusted for impairments and observable price changes with a same or similar security from the same issuer and are recorded through gains (losses) on strategic investments, net on the consolidated statement of operations. Privately held debt securities are recorded at fair value with changes in fair value recorded through accumulated other comprehensive income on the consolidated balance sheet. If, based on the terms of these publicly traded and privately held securities, the Company determines that the Company exercises significant influence on the entity to which these securities relate, the Company will apply the equity method of accounting for such investments.

Privately held debt and equity securities are valued using significant unobservable inputs or data in an inactive market and the valuation requires the Company's judgment due to the absence of market prices and inherent lack of liquidity. The carrying value is not adjusted for the Company's privately held equity securities if there are no observable price changes in a same or similar security from the same issuer or if there are no identified events or changes in circumstances that may indicate impairment, as discussed below. In determining the estimated fair value of its strategic investments in privately held companies, the Company utilizes the most recent data available to the Company. Valuations of privately held companies are inherently complex due to the lack of readily available market data. In addition, the determination of whether an orderly transaction is for a same or similar investment requires significant management judgment including the nature of rights and obligations of the investments, the extent to which differences in those rights and obligations would affect the fair values of those investments, and the impact of any differences based on the stage of operational development of the investee.

The Company assesses its privately held debt and equity securities strategic investment portfolio at least quarterly for impairment. The Company’s impairment analysis encompasses an assessment of the severity and duration of the impairment and qualitative and quantitative analysis of other key factors including the investee’s financial metrics, the investee’s products and technologies meeting or exceeding predefined milestones, market acceptance of the product or technology, other competitive products or technology in the market, general market conditions, management and governance structure of the investee, the investee’s liquidity, debt ratios and the rate at which the investee is using its cash. If the investment is considered to be impaired, the Company recognizes an impairment through the consolidated statement of operations and establishes a new carrying value for the investment.

Prior to fiscal 2019, investments in publicly held equity securities were classified as available-for-sale and measured and recorded at fair value with unrealized changes in fair value recorded through other comprehensive income. Prior to fiscal 2019, investments in privately held equity securities in which the Company did not have a controlling interest or significant influence were accounted for using the cost method of accounting, measured at cost less other-than-temporary impairment.

Derivative Financial Instruments

The Company enters into foreign currency derivative contracts with financial institutions to reduce foreign exchange risk. The Company uses forward currency derivative contracts to minimize the Company’s exposure to balances primarily denominated in the Euro, British Pound Sterling, Japanese Yen, Canadian Dollar and Australian Dollar. The Company’s foreign currency derivative contracts, which are not designated as hedging instruments, are used to reduce the exchange rate risk associated primarily with intercompany receivables and payables. The Company’s derivative financial instruments program is not designated for trading or speculative purposes. As of January 31, 2019 and January 31, 2018, the outstanding foreign currency derivative contracts were recorded at fair value on the consolidated balance sheets.

Foreign currency derivative contracts are marked-to-market at the end of each reporting period with gains and losses recognized as other expense to offset the gains or losses resulting from the settlement or remeasurement of the underlying foreign currency denominated receivables and payables. While the contract or notional amount is often used to express the volume of foreign currency derivative contracts, the amounts potentially subject to credit risk are generally limited to the amounts, if any, by which the counterparties’ obligations under the agreements exceed the obligations of the Company to the counterparties.

Fair Value Measurement

The Company measures its cash and cash equivalents, marketable securities and foreign currency derivative contracts at fair value. In addition, the Company measures its strategic investments, including its publicly held equity securities, privately held debt securities and privately held equity securities for which there has been an observable price change in a same or similar security, at fair value. The additional disclosures regarding the Company’s fair value measurements are included in Note 5 “Fair Value Measurement.”

Property and Equipment

Property and equipment are stated at cost. Depreciation is calculated on a straight-line basis over the estimated useful lives of those assets as follows:



Computers, equipment and software	3 to 9 years
Furniture and fixtures	5 years
Leasehold improvements	Shorter of the estimated lease term or 10 years
Building and structural components	Average weighted useful life of 32 years
Building - leased facility	27 years
Building improvements	10 years

When assets are retired or otherwise disposed of, the cost and accumulated depreciation and amortization are removed from their respective accounts and any loss on such retirement is reflected in operating expenses.

Capitalized Software Costs

The Company capitalizes costs related to its enterprise cloud computing services and certain projects for internal use incurred during the application development stage. Costs related to preliminary project activities and post implementation activities are expensed as incurred. Internal-use software is amortized on a straight-line basis over its estimated useful life, which is generally three to five years. Management evaluates the useful lives of these assets on an annual basis and tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets.

Intangible Assets Acquired through Business Combinations

Intangible assets are amortized over their estimated useful lives. Each period, the Company evaluates the estimated remaining useful life of its intangible assets and whether events or changes in circumstances warrant a revision to the remaining period of amortization. Management tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets.

Impairment Assessment

The Company evaluates intangible assets and long-lived assets for possible impairment whenever events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. This includes but is not limited to significant adverse changes in business climate, market conditions, or other events that indicate an asset's carrying amount may not be recoverable. Recoverability of these assets is measured by comparing the carrying amount of each asset to the future undiscounted cash flows the asset is expected to generate. If the undiscounted cash flows used in the test for recoverability are less than the carrying amount of these assets, the carrying amount of such assets is reduced to fair value.

The Company evaluates and tests the recoverability of its goodwill for impairment at least annually during its fourth quarter of each fiscal year or more often if and when circumstances indicate that goodwill may not be recoverable.

There were no material impairments of capitalized software, intangible assets, long-lived assets or goodwill during fiscal 2019, 2018 and 2017.

Business Combinations

The Company uses its best estimates and assumptions to assign fair value to the tangible and intangible assets acquired and liabilities assumed at the acquisition date. The Company’s estimates are inherently uncertain and subject to refinement. During the measurement period, which may be up to one year from the acquisition date, the Company may record adjustments to the fair value of these tangible and intangible assets acquired and liabilities assumed, with the corresponding offset to goodwill. In addition, uncertain tax positions and tax-related valuation allowances are initially recorded in connection with a business combination as of the acquisition date. The Company continues to collect information and reevaluates these estimates and assumptions quarterly and records any adjustments to the Company’s preliminary estimates to goodwill provided that the Company is within the measurement period. Upon the conclusion of the measurement period or final determination of the fair value of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded to the Company’s consolidated statement of operations.

In the event the Company acquires an entity with which the Company has a preexisting relationship, the Company will recognize a gain or loss to settle that relationship as of the acquisition date, which is recorded in net gains (losses) on strategic investments within the consolidated statements of operations. In the event that the Company acquires an entity in which the Company previously held a strategic investment, the difference between the fair value of the shares as of the date of the acquisition and the carrying value of the strategic investment is recorded as a gain or loss and recorded within net gains (losses) on strategic investments in the consolidated statement of operations.

Leases and Asset Retirement Obligations

The Company categorizes leases at their inception as either operating or capital leases. In certain lease agreements, the Company may receive rent holidays and other incentives. The Company recognizes lease costs on a straight-line basis once control of the space is achieved, without regard to deferred payment terms such as rent holidays that defer the commencement date of required payments. Additionally, incentives received are treated as a reduction of costs over the term of the agreement.

The Company establishes assets and liabilities for the present value of estimated future costs to retire long-lived assets at the termination or expiration of a lease. Such assets are depreciated over the lease period to operating expense.

In the event the Company is the deemed owner for accounting purposes during construction, the Company records assets and liabilities for the estimated construction costs incurred under build-to-suit lease arrangements to the extent it is involved in the construction of structural improvements or takes construction risk prior to commencement of a lease.

The Company additionally has entered into subleases for unoccupied leased office space. To the extent there are losses associated with the sublease, they are recognized in the period the sublease is executed. Any sublease payments received in excess of the straight-line rent payments for the sublease are recorded as an offset to rent expense and recognized over the sublease life.

Stock-Based Expense

The Company recognizes stock-based expenses related to stock options and restricted stock awards on a straight-line basis, net of estimated forfeitures, over the requisite service period of the awards, which is generally the vesting term of four years.

The Company recognizes stock-based expenses related to shares issued pursuant to its Amended and Restated 2004 Employee Stock Purchase Plan (“ESPP” or “2004 Employee Stock Purchase Plan”) on a straight-line basis over the offering period, which is 12 months. The ESPP allows employees to purchase shares of the Company's common stock at a 15 percent discount and also allows employees to reduce their percentage election once during a six month purchase period (December 15 and June 15 of each fiscal year), but not increase that election until the next one-year offering period. The ESPP also includes a re-set provision for the purchase price if the stock price on the purchase date is less than the stock price on the offering date.

Stock-based expenses related to performance share grants are measured based on grant date fair value and expensed on a straight-line basis, net of estimated forfeitures, over the service period of the awards, which is generally the vesting term of three years.

The Company, at times, grants unvested restricted shares to employee stockholders of certain acquired companies in lieu of cash consideration. These awards are generally subject to continued post-acquisition employment. Therefore, the Company accounts for them as post-acquisition stock-based expense. The Company recognizes stock-based expense equal to the grant date fair value of the restricted stock awards on a straight-line basis over the requisite service period of the awards, which is generally four years.

Advertising Expenses

Advertising is expensed as incurred. Advertising expense was $482 million, $373 million and $350 million for fiscal 2019, 2018 and 2017, respectively.

Income Taxes

The Company uses the asset and liability method of accounting for income taxes. Under this method, deferred tax assets and liabilities are determined based on temporary differences between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect on deferred tax assets and liabilities of a change in tax laws is recognized in the consolidated statements of operations in the period that includes the enactment date.

The Company’s tax positions are subject to income tax audits by multiple tax jurisdictions throughout the world. The Company recognizes the tax benefit of an uncertain tax position only if it is more likely than not that the position is sustainable upon examination by the taxing authority, solely based on its technical merits. The tax benefit recognized is measured as the largest amount of benefit which is greater than 50 percent likely to be realized upon settlement with the taxing authority. The Company recognizes interest accrued and penalties related to unrecognized tax benefits in the income tax provision.

Valuation allowances are established when necessary to reduce deferred tax assets to the amounts that are more likely than not expected to be realized based on the weighting of positive and negative evidence. Future realization of deferred tax assets ultimately depends on the existence of sufficient taxable income of the appropriate character (for example, ordinary income or capital gain) within the carryback or carryforward periods available under the applicable tax law. The Company regularly reviews the deferred tax assets for recoverability based on historical taxable income, projected future taxable income, the expected timing of the reversals of existing temporary differences and tax planning strategies. The Company’s judgments regarding future profitability may change due to many factors, including future market conditions and the ability to successfully execute its business plans. Should there be a change in the ability to recover deferred tax assets, the tax provision would increase or decrease in the period in which the assessment is changed.

Foreign Currency Translation

The functional currency of the Company’s major foreign subsidiaries is generally the local currency. Adjustments resulting from translating foreign functional currency financial statements into U.S. dollars are recorded as a separate component on the consolidated statement of comprehensive income. Foreign currency transaction gains and losses are included in other income in the consolidated statement of operations for the period. All assets and liabilities denominated in a foreign currency are translated into U.S. dollars at the exchange rate on the balance sheet date. Revenues and expenses are translated at the average exchange rate during the period. Equity transactions are translated using historical exchange rates.

Warranties and Indemnification

The Company’s enterprise cloud computing services are typically warranted to perform in a manner consistent with general industry standards that are reasonably applicable and materially in accordance with the Company’s online help documentation under normal use and circumstances.

The Company’s arrangements generally include certain provisions for indemnifying customers against liabilities if its products or services infringe a third party’s intellectual property rights. To date, the Company has not incurred any material costs as a result of such obligations and has not accrued any material liabilities related to such obligations in the accompanying consolidated financial statements.

The Company has also agreed to indemnify its directors and executive officers for costs associated with any fees, expenses, judgments, fines and settlement amounts incurred by any of these persons in any action or proceeding to which any of those persons is, or is threatened to be, made a party by reason of the person’s service as a director or officer, including any action by the Company, arising out of that person’s services as the Company’s director or officer or that person’s services provided to any other company or enterprise at the Company’s request. The Company maintains director and officer insurance coverage that would generally enable the Company to recover a portion of any future amounts paid. The Company may also be subject to indemnification obligations by law with respect to the actions of its employees under certain circumstances and in certain jurisdictions.

New Accounting Pronouncements Adopted in Fiscal 2019

Topic 606

In May 2014, the FASB issued ASU 2014-09, which in addition to replacing the existing revenue recognition guidance, provides guidance on the recognition of costs related to obtaining customer contracts. The adoption was material to the Company’s reported operating results and balance sheet for fiscal 2018 and 2017, as it requires additional types of costs to be capitalized and amortized over a longer period. The Company also recorded the related income tax effects, which did not have a material impact due to the Company's valuation allowance. The adoption had no impact to the Company’s operating cash flow.

The adoption of ASU 2014-09 impacted the Company's previously reported results as follows (in millions, except per share data):



	Fiscal Year Ended January 31, 2018									Fiscal Year Ended January 31, 2017
	As reported			Change			As adjusted			As reported		Change			As adjusted
Total revenues	$	10,480		$	60		$	10,540		$	8,392	$	45		$	8,437
Marketing and sales	4,829			(158		)	4,671			3,918		(107		)	3,811
Benefit from (provision for) income taxes	(75		)	15			(60		)	155		(11		)	144
Net income	$	127		$	233		$	360		$	180	$	143		$	323
Diluted net income per share	$	0.17		$	0.32		$	0.49		$	0.26	$	0.20		$	0.46

The number of shares utilized to calculate the fiscal 2018 and 2017 diluted net income per share was 735 million and 700 million, respectively.

The adoption of ASU 2014-09 impacted the Company's previously reported financial position as of January 31, 2018 as follows (in millions):



	As reported		Change			As adjusted
Accounts receivable, net	$	3,918	$	3		$	3,921
Costs capitalized to obtain revenue contracts, net	461		210			671
Prepaid expenses and other current assets	390		81			471
Costs capitalized to obtain revenue contracts, noncurrent, net	413		692			1,105
Other assets, net	396		(12		)	384
Accrued compensation	961		40			1,001
Accrued expenses and other liabilities	973		(3		)	970
Unearned revenue	7,095		(100		)	6,995
Other noncurrent liabilities	796		50			846
Stockholders’ equity	9,389		987			10,376

ASU 2016-01

In January 2016, the FASB issued ASU 2016-01, which requires entities to measure equity instruments at fair value and recognize any changes in fair value within the statement of operations. The Company adopted ASU 2016-01 in the first quarter of fiscal 2019 on a prospective basis for privately held equity securities and a modified retrospective basis for publicly held equity investments. Upon adoption of ASU 2016-01, the Company reclassified approximately $13 million of unrealized gains related to its publicly traded equity investments and approximately $6 million reflecting the tax impact, from accumulated other comprehensive loss on the balance sheet to retained earnings. For fiscal 2019, the Company recorded net unrealized gains of $464 million, which excludes recognized gains on the sale of investments of $78 million, in the consolidated statement of operations, and the Company anticipates additional volatility to the Company's statements of operations in future periods, due to changes in market prices of the Company's investments in publicly held equity investments and the valuation and timing of observable price changes and impairments of its investments in privately held securities.

ASU 2016-16

In October 2016, the FASB issued ASU 2016-16, which requires entities to recognize the income tax consequences of an intra-entity transfer of an asset when the transfer occurs. The Company adopted the standard in the first quarter of fiscal 2019 using the modified retrospective transition method and reclassified a cumulative-effect adjustment to reduce retained earnings as of the effective date of approximately $17 million.

Accounting Pronouncements Pending Adoption

ASU 2016-02

In February 2016, the FASB issued Accounting Standards Update No. 2016-02, "Leases (Topic 842)" ("ASU 2016-02"), which requires lessees to record most leases on their balance sheet but recognize the expenses on their statement of operations in a manner similar to current accounting guidance "Leases (Topic 840)". ASU 2016-02 states that a lessee would recognize a lease liability for the obligation to make lease payments and a right-to-use asset for the right to use the underlying asset for the lease term. ASU 2016-02 will be effective for fiscal 2020, including interim periods within that reporting period.

Upon adoption of ASU 2016-02 the Company plans to elect the package of practical expedients and not reassess prior conclusions on whether contracts are or contain a lease, lease classification, and initial direct costs. In addition, the Company plans to adopt the lessee practical expedient to combine lease and non-lease components for all asset classes. The Company expects to make a policy election to not recognize right-of-use assets or lease liabilities for short term leases of all asset classes. The Company does not plan to elect the practical expedient to use hindsight when determining lease term.

ASC 2016-02 will have a material impact on the Company’s consolidated balance sheet. Leases currently designated as operating leases in Note 13, “Commitments,” will be reported on the consolidated balance sheet upon adoption at their net present value, which will increase total assets and liabilities. In addition, the financing obligation and building asset associated with the Company's leased facility at 350 Mission Street will be derecognized upon adoption of ASC 2016-02 and the lease will be accounted for as a finance type lease, which will result in the recognition of a right of use asset and a lease liability. ASU 2016-02 is not expected to have a material impact to the Company’s consolidated statement of operations or net cash provided by operating activities. In addition, the Company does not expect any impact to the Company’s debt covenants. In preparation for adoption of the standard, the Company is in the process of implementing key systems, processes and internal controls to enable the preparation of financial information.

In July 2018, the FASB issued ASU 2018-11, “Leases (Topic 842) Targeted Improvements" ("ASU 2018-11"), which allows for the adoption of ASU 2016-02 to be applied at the beginning of the year of adoption, as opposed to at the beginning of the earliest year presented in the financial statements. The Company will adopt the transitional provisions allowed under ASU 2018-11 and as such, the consolidated balance sheets and statements of operations for prior periods will not be comparable in the year of adoption of ASU 2016-02.

ASU 2016-13

In June 2016, the FASB issued Accounting Standards Update No. 2016-13 (ASU 2016-13) "Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments," which requires the measurement and recognition of expected credit losses for financial assets held at amortized cost, which includes the Company's accounts receivables, certain financial instruments and contract assets. ASU 2016-13 replaces the existing incurred loss impairment model with an expected loss methodology, which will result in more timely recognition of credit losses. ASU 2016-13 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019, and requires a cumulative effect adjustment to the balance sheet as of the beginning of the first reporting period in which the guidance is effective. The Company is evaluating the impact of the adoption of ASU 2016-13 on its consolidated financial statements in order to adopt the new standard in the first quarter of fiscal 2021.

ASU 2018-15

In August 2018, the FASB issued Accounting Standards Update No. 2018-15 (ASU 2018-15) "Intangibles—Goodwill and Other— Internal-Use Software (Subtopic 350-40) - Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract," which aligns the accounting for implementation costs incurred in a hosting arrangement that is a service contract with the accounting for implementation costs incurred to develop or obtain internal-use software under ASC 350-40, in order to determine which costs to capitalize and recognize as an asset and which costs to expense. ASU 2018-15 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019, and can be applied either prospectively to implementation costs incurred after the date of adoption or retrospectively to all arrangements. The Company does not expect the adoption of ASU 2018-15 to be material.

Reclassifications

Certain reclassifications to fiscal 2018 and 2017 balances were made to conform to the current period presentation in the consolidated balance sheets, consolidated statements of operations and consolidated statements of cash flows. These reclassifications did not affect total revenues, operating income or net income.

Fact Table
Network	2102100 - Disclosure - Revenues (http://salesforce.com/role/Revenues)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Revenue from Contract with Customer [Text Block]

Revenues

Disaggregation of Revenue

Subscription and Support Revenue by the Company's core service offerings

Subscription and support revenues consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Sales Cloud	$	4,040	$	3,588	$	3,076
Service Cloud	3,621		2,883		2,343
Salesforce Platform and Other	2,854		1,913		1,433
Marketing and Commerce Cloud	1,898		1,382		947
	$	12,413	$	9,766	$	7,799

Total Revenue by Geographic Locations

Revenues by geographical region consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Americas	$	9,445	$	7,621	$	6,259
Europe	2,553		1,916		1,383
Asia Pacific	1,284		1,003		795
	$	13,282	$	10,540	$	8,437

Revenues by geography are determined based on the region of the Company's contracting entity, which may be different than the region of the customer. Americas revenue attributed to the United States was approximately 96 percent during fiscal 2019, 2018, and 2017, respectively. No other country represented more than ten percent of total revenue during fiscal 2019, 2018 and 2017.

Contract Balances

Contract Asset

As described in Note 1, subscription and support revenue is generally recognized ratably over the contract term beginning on the commencement date of each contract. License revenue is recognized as the licenses are delivered. Under Topic 606, the timing and amount of revenue recognition may differ in certain situations from the revenue recognized under previous accounting guidance that limited subscription and support revenue to the customer invoice amount for the period of service (collectively billings). Under Topic 606, the Company records a contract asset when revenue recognized on a contract exceeds the billings and unearned revenue when the billings on a contract exceed the revenue recognized. The Company's standard billing terms are annual in advance. Contract assets were $215 million as of January 31, 2019 as compared to $81 million as of January 31, 2018. Approximately $122 million of contract assets were acquired in connection with the May 2018 MuleSoft acquisition. Impairments of contract assets were immaterial in fiscal 2019, 2018 and 2017.

Unearned Revenue

The concept of unearned revenue under Topic 606 is substantially similar to deferred revenue under previous accounting guidance, except for the removal of the limitation on contingent revenue. The unearned revenue balance does not represent the total contract value of annual or multi-year, non-cancelable subscription agreements. Unearned revenue primarily consists of billings or payments received in advance of revenue recognition from subscription services, including software licenses, described above and is recognized as revenue when transfer of control to customers has occurred. The Company generally invoices customers in annual installments. The unearned revenue balance is influenced by several factors, including seasonality, the compounding effects of renewals, invoice duration, invoice timing, dollar size and new business linearity within the quarter.

The changes in unearned revenue were as follows (in millions):



	Fiscal Year Ended January 31, 2019
Unearned revenue, beginning of period	$	6,995
Billings and other*	14,770
Contribution from contract asset	13
Revenue recognized ratably over time	(12,426		)
Revenue recognized over time as delivered	(629		)
Revenue recognized at a point in time	(227		)
Unearned revenue from business combinations	68
Unearned revenue, end of period	$	8,564

*Other includes, for example, the impact of foreign currency translation

Revenue recognized ratably over time is generally billed in advance and includes Cloud Services, the related support and advisory services.

Revenue recognized over time as delivered includes professional services billed on a time and material basis, fixed fee professional services and training classes that are primarily billed, delivered and recognized within the same reporting period.

Revenue recognized at a point in time substantially includes the portion of software subscriptions allocated to the on-premise software element, which either resulted in smaller unearned revenue or a contract asset.

Approximately 52 percent of revenue recognized in fiscal 2019 is from the unearned revenue balance as of January 31, 2018.

Remaining Performance Obligation

Topic 606 also introduced the concept of the transaction price allocated to the remaining performance obligations, referred to by the Company as remaining performance obligation, which is different than unbilled deferred revenue under previous accounting guidance. Transaction price allocated to the remaining performance obligation represents contracted revenue that has not yet been recognized, which includes unearned revenue and unbilled amounts that will be recognized as revenue in future periods. Transaction price allocated to the remaining performance obligation is influenced by several factors, including seasonality, the timing of renewals, average contract terms and foreign currency exchange rates. Unbilled portions of the remaining performance obligation denominated in foreign currencies are revalued each period based on the period end exchange rates.

The Company applied the practical expedient in accordance with Topic 606 to exclude amounts related to performance obligation that are billed and recognized as they are delivered. This primarily consists of professional services contracts that are on a time-and-material basis.

The majority of the Company's noncurrent remaining performance obligation will be recognized in the next 13 to 36 months.

Remaining performance obligation consisted of the following (in billions):



	Current		Noncurrent		Total
As of January 31, 2019*	$	11.9	$	13.8	$	25.7

*Includes $450 million of remaining performance obligation related to the MuleSoft acquisition, including contracts executed subsequent to acquisition.

Fact Table
Network	2103100 - Disclosure - Investments (http://salesforce.com/role/Investments)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Financial Instruments Disclosure [Text Block]

Investments

Marketable Securities

At January 31, 2019, marketable securities consisted of the following (in millions):



Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	1,027	$	0	$	(8	)	$	1,019
U.S. treasury securities	89		0		(1		)	88
Mortgage backed obligations	79		0		(1		)	78
Asset backed securities	245		0		(1		)	244
Municipal securities	104		0		0			104
Foreign government obligations	58		0		(1		)	57
U.S. agency obligations	4		0		0			4
Time deposits	4		0		0			4
Covered bonds	75		0		0			75
Total marketable securities	$	1,685	$	0	$	(12	)	$	1,673

At January 31, 2018, marketable securities consisted of the following (in millions):



Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	1,223	$	1	$	(7	)	$	1,217
U.S. treasury securities	196		0		(2		)	194
Mortgage backed obligations	100		0		(1		)	99
Asset backed securities	251		0		(1		)	250
Municipal securities	53		0		(1		)	52
Foreign government obligations	87		0		(1		)	86
U.S. agency obligations	19		0		0			19
Commercial paper	11		0		0			11
Covered bonds	51		0		(1		)	50
Total marketable securities	$	1,991	$	1	$	(14	)	$	1,978

The contractual maturities of the investments classified as marketable securities are as follows (in millions):



	As of
	January 31, 2019		January 31, 2018
Due within 1 year	$	482	$	395
Due in 1 year through 5 years	1,189		1,579
Due in 5 years through 10 years	2		4
	$	1,673	$	1,978

As of January 31, 2019, the following marketable securities were in an unrealized loss position (in millions):



	Less than 12 Months					12 Months or Greater					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate notes and obligations	$	392	$	(2	)	$	457	$	(6	)	$	849	$	(8	)
U.S. treasury securities	0		0			71		(1		)	71		(1		)
Mortgage backed obligations	0		0			58		(1		)	58		(1		)
Asset backed securities	0		0			112		(1		)	112		(1		)
Foreign government obligations	0		0			49		(1		)	49		(1		)
	$	392	$	(2	)	$	747	$	(10	)	$	1,139	$	(12	)

The unrealized losses for each of the fixed rate marketable securities were less than $1 million. The Company does not believe any of the unrealized losses represent an other-than-temporary impairment based on its evaluation of available evidence as of January 31, 2019, such as the Company's intent to hold the investment and whether it is more likely than not that the Company will be required to sell the investment before recovery of the investment's amortized basis. The Company expects to receive the full principal and interest on all of these marketable securities.

Investment Income

Investment income consists of interest income, realized gains and realized losses on the Company’s cash, cash equivalents and marketable securities. The components of investment income are presented below (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Interest income	$	61		$	37		$	22
Realized gains	1			1			8
Realized losses	(5		)	(2		)	(3		)
Investment income	$	57		$	36		$	27

Strategic Investments

Strategic investments by form and measurement category as of January 31, 2019 were as follows (in millions):



	Measurement Category
	Fair Value (1)		Measurement Alternative		Other (2)		Total
Equity securities	$	436	$	785	$	50	$	1,271
Debt securities	0		0		31		31
Balance as of January 31, 2019	$	436	$	785	$	81	$	1,302

(1) Equity securities under fair value represents the carrying value of strategic investments in publicly held equity securities.

(2) Other includes the Company's investments accounted for under the equity method of accounting or amortized cost.

Measurement Alternative Adjustments

Privately held equity securities accounted for under the measurement alternative as of January 31, 2019 were as follows (in millions):



	Fiscal Year Ended January 31, 2019
Carrying amount, beginning of period	$	548
Adjustments related to privately held equity securities:
Net additions	95
Impairments and downward adjustments	(32		)
Upward adjustments	174
Carrying amount, end of period	$	785

Gains (losses) on strategic investments, net

Gains and losses recognized in fiscal 2019, 2018 and 2017 were as follows (in millions):



4	Fiscal Year Ended January 31,
	2019			2018		2017
Net gains recognized on publicly traded securities	$	345		$	0	$	0
Net gains recognized on privately held securities	133			19		31
Net gains recognized on sales of equity securities	74			0		0
Net losses recognized on debt securities	(10		)	0		0
Gains on strategic investments, net	$	542		$	19	$	31

Net gains recognized in fiscal 2019 for investments still held as of January 31, 2019 were $464 million. This excludes recognized gains on the sale of our equity and debt securities for fiscal 2019 of $78 million.

In fiscal 2019 the Company adopted ASU 2016-01 which requires all fair value adjustments of its publicly traded and privately held equity investments to be recorded through the statement of operations. Prior to fiscal 2019, publicly held equity securities were recorded at fair value with unrealized changes in fair value recorded through other comprehensive income. Investments in privately held equity securities in which the Company did not have a controlling interest or significant influence were accounted for using the cost method of accounting, measured at cost less other-than-temporary impairment.

Fact Table
Network	2104100 - Disclosure - Derivatives (http://salesforce.com/role/Derivatives)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Derivative Instruments and Hedging Activities Disclosure [Text Block]

Derivatives

Details on outstanding foreign currency derivative contracts are presented below (in millions):



	As of
	January 31, 2019		January 31, 2018
Notional amount of foreign currency derivative contracts	$	4,496	$	1,871
Fair value of foreign currency derivative contracts	25		12

The fair value of the Company’s outstanding derivative instruments not designated as hedging instruments are summarized below (in millions):



		As of
	Balance Sheet Location	January 31, 2019		January 31, 2018
Foreign currency derivative contracts	Prepaid expenses and other current assets	$	42	$	18

Gains (losses) on derivative instruments not designated as hedging instruments recorded in other income in the consolidated statements of operations during fiscal 2019, 2018 and 2017, respectively, are summarized below (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Foreign currency derivative contracts	$	34	$	15	$	(86	)

Fact Table
Network	2105100 - Disclosure - Fair Value Measurement (http://salesforce.com/role/FairValueMeasurement)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Fair Value Disclosures [Text Block]

Fair Value Measurement

The Company uses a three-tier fair value hierarchy, which prioritizes the inputs used in the valuation methodologies in measuring fair value:

Level 1. Quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2. Significant other inputs that are directly or indirectly observable in the marketplace.

Level 3. Significant unobservable inputs which are supported by little or no market activity.

All of the Company’s cash equivalents, marketable securities and foreign currency derivative contracts are classified within Level 1 or Level 2 because the Company’s cash equivalents, marketable securities and foreign currency derivative contracts are valued using quoted market prices or alternative pricing sources and models utilizing observable market inputs.

The following table presents information about the Company’s assets that are measured at fair value as of January 31, 2019 and indicates the fair value hierarchy of the valuation (in millions):



Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of January 31, 2019
Cash equivalents (1):
Time deposits	$	0	$	314	$	0	$	314
Money market mutual funds	1,234		0		0		1,234
Marketable securities:
Corporate notes and obligations	0		1,019		0		1,019
U.S. treasury securities	0		88		0		88
Mortgage backed obligations	0		78		0		78
Asset backed securities	0		244		0		244
Municipal securities	0		104		0		104
Foreign government obligations	0		57		0		57
U.S. agency obligations	0		4		0		4
Time deposits	0		4		0		4
Covered bonds	0		75		0		75
Strategic investments:
Publicly held equity securities	436		0		0		436
Foreign currency derivative contracts (2)	0		42		0		42
Total assets	$	1,670	$	2,029	$	0	$	3,699

___________

(1)Included in “cash and cash equivalents” in the accompanying consolidated balance sheet as of January 31, 2019, in addition to $1.1 billion of cash.

(2)Included in “prepaid expenses and other current assets” in the accompanying consolidated balance sheet as of January 31, 2019.

The following table presents information about the Company’s assets that are measured at fair value as of January 31, 2018 and indicates the fair value hierarchy of the valuation (in millions):



Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of January 31, 2018
Cash equivalents (1):
Time deposits	$	0	$	543	$	0	$	543
Money market mutual funds	1,389		0		0		1,389
Marketable securities:
Corporate notes and obligations	0		1,217		0		1,217
U.S. treasury securities	0		194		0		194
Mortgage backed obligations	0		99		0		99
Asset backed securities	0		250		0		250
Municipal securities	0		52		0		52
Foreign government obligations	0		86		0		86
U.S. agency obligations	0		19		0		19
Commercial paper	0		11		0		11
Covered bonds	0		50		0		50
Strategic investments:
Publicly held equity securities	24		0		0		24
Foreign currency derivative contracts (2)	0		18		0		18
Total assets	$	1,413	$	2,539	$	0	$	3,952

______________

(1)Included in “cash and cash equivalents” in the accompanying consolidated balance sheet as of January 31, 2018, in addition to $611 million of cash.

(2)Included in “prepaid expenses and other current assets” in the accompanying consolidated balance sheet as of January 31, 2018.

Strategic investments measured and record at fair value on a non-recurring basis

The Company's privately held debt and equity securities and equity method investments are recorded at fair value only if an impairment or observable price adjustment is recognized in the current period. If an impairment or observable price adjustment is recognized on the Company's non-marketable equity securities during the period, the Company classifies these assets as Level 3 within the fair value hierarchy based on the nature of the fair value inputs.

The Company classified privately held debt and equity securities and equity method investments as Level 3. The Company's privately held debt and equity securities and equity method investments amounted to $866 million as of January 31, 2019 and $653 million as of January 31, 2018.

Fact Table
Network	2106100 - Disclosure - Property and Equipment (http://salesforce.com/role/PropertyAndEquipment)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Property, Plant and Equipment Disclosure [Text Block]

Property and Equipment

Property and equipment, net consisted of the following (in millions):



	As of
	January 31, 2019			January 31, 2018
Land	$	184		$	184
Buildings and building improvements	629			626
Computers, equipment and software	1,735			1,629
Furniture and fixtures	188			139
Leasehold improvements	1,098			825
Property and equipment, gross	3,834			3,403
Less accumulated depreciation and amortization	(1,783		)	(1,456		)
Property and equipment, net	$	2,051		$	1,947

Depreciation and amortization expense totaled $411 million, $373 million and $323 million during fiscal 2019, 2018 and 2017 respectively.

Computers, equipment and software at January 31, 2019 and January 31, 2018 included a total of $671 million and $709 million acquired under capital lease agreements, respectively. Accumulated amortization relating to computers, equipment and software acquired under capital leases totaled $480 million and $450 million, respectively, at January 31, 2019 and January 31, 2018. Amortization of assets acquired under capital leases is included in depreciation and amortization expense.

Fact Table
Network	2107100 - Disclosure - Business Combinations (http://salesforce.com/role/BusinessCombinations)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Business Combination Disclosure [Text Block]

Business Combinations

Fiscal Year 2019

Datorama

In August 2018, the Company acquired all outstanding stock of Datorama, Inc. ("Datorama"), which provides a platform for enterprises, agencies and publishers to integrate data across marketing channels and data sources. The Company has included the financial results of Datorama, which are not material, in the consolidated financial statements from the date of acquisition. The transaction costs associated with the acquisition were approximately $3 million and recorded in general and administrative expense. The acquisition date fair value of the consideration transferred for Datorama was approximately $766 million, which consisted of the following (in millions):



	Fair Value
Cash	$	136
Common stock issued	537
Fair value of stock options and restricted stock awards assumed	93
Total	$	766

The fair value of the stock options assumed by the Company was determined using the Black-Scholes option pricing model. The share conversion ratio of 0.4133 was applied to convert Datorama's outstanding equity awards for Datorama's common stock into equity awards for shares of the Company's common stock.

The following table summarizes the fair value of assets acquired and liabilities assumed as of the date of acquisition (in millions):



	Fair Value
Cash and cash equivalents	$	21
Accounts receivable	9
Other current and noncurrent assets	3
Intangible assets	202
Goodwill	586
Accounts payable, accrued expenses and other liabilities, current and noncurrent	(10		)
Unearned revenue	(4		)
Deferred tax liability	(41		)
Net assets acquired	$	766

The excess of purchase consideration over the fair value of net tangible and identifiable intangible assets acquired was recorded as goodwill. The fair values assigned to tangible and identifiable intangible assets acquired and liabilities assumed are based on management’s estimates and assumptions. The fair values of assets acquired and liabilities assumed, including current and noncurrent income taxes payable and deferred taxes, may be subject to change as additional information is received and certain tax returns are finalized. Accordingly, the provisional measurements of fair value of the income taxes payable and deferred taxes set forth above are subject to change. The Company expects to finalize the valuation as soon as practicable, but not later than one year from the acquisition date.

The following table sets forth the components of identifiable intangible assets acquired and their estimated useful lives as of the date of acquisition (in millions):



	Fair Value		Useful Life
Developed technology	$	159	4 years
Customer relationships	42		8 years
Other purchased intangible assets	1		1 year
Total intangible assets subject to amortization	$	202

Developed technology represents the fair value of Datorama's technology. Customer relationships represent the fair values of the underlying relationships with Datorama customers. The goodwill balance is primarily attributed to assembled workforce and expanded market opportunities when integrating Datorama's technology with the Company's other offerings. The goodwill balance is not deductible for U.S. income taxes purposes.

The Company assumed unvested options and restricted stock with a fair value of $170 million. Of the total consideration, $93 million was allocated to the purchase consideration and $77 million was allocated to future services and will be expensed over the remaining service periods on a straight-line basis.

MuleSoft

In May 2018, the Company acquired all outstanding stock of MuleSoft, which provides a platform for building application networks that connect enterprise apps, data and devices, across any cloud and on-premise solution. The Company has included the financial results of MuleSoft in the consolidated financial statements from the date of acquisition. The transaction costs associated with the acquisition were approximately $24 million and were recorded in general and administrative expense. The acquisition date fair value of the consideration transferred for MuleSoft was approximately $6.4 billion, which consisted of the following (in millions):



	Fair Value
Cash	$	4,860
Common stock issued	1,178
Fair value of stock options and restricted stock awards assumed	387
Total	$	6,425

The fair value of the stock options assumed by the Company was determined using the Black-Scholes option pricing model. The share conversion ratio of 0.3680 was applied to convert MuleSoft’s outstanding equity awards for MuleSoft’s common stock into equity awards for shares of the Company’s common stock.

The following table summarizes the fair values of assets acquired and liabilities assumed as of the date of acquisition (in millions):



	Fair Value
Cash and cash equivalents	$	57
Marketable securities	233
Accounts receivable	69
Contract asset	122
Other current and noncurrent assets	29
Acquired customer contract asset, current and noncurrent - intangible asset	61
Intangible assets	1,279
Goodwill	4,816
Accounts payable, accrued expenses and other liabilities, current and noncurrent	(40		)
Unearned revenue	(57		)
Deferred tax liability	(144		)
Net assets acquired	$	6,425

The excess of purchase consideration over the fair value of net tangible and identifiable intangible assets acquired was recorded as goodwill. The fair values assigned to tangible and identifiable intangible assets acquired and liabilities assumed are based on management’s estimates and assumptions. The deferred tax liability established was primarily a result of the difference in the book basis and tax basis related to the identifiable intangible assets. The fair values of assets acquired and liabilities assumed, including current and noncurrent income taxes payable and deferred taxes, may be subject to change as additional information is received and certain tax returns are finalized. Accordingly, the provisional measurements of fair value of the income taxes payable and deferred taxes set forth above are subject to change. The Company expects to finalize the valuation as soon as practicable, but not later than one year from the acquisition date.

The following table sets forth the components of identifiable intangible assets acquired and their estimated useful lives as of the date of acquisition (in millions):



	Fair Value		Useful Life
Developed technology	$	224	4 years
Customer relationships	1,046		8 years
Other purchased intangible assets	9		1 year
Total intangible assets subject to amortization	$	1,279

Developed technology represents the fair value of MuleSoft's Anypoint technology. Customer relationships represent the fair values of the underlying relationships with MuleSoft customers. The goodwill balance is primarily attributed to the assembled workforce and expanded market opportunities when integrating MuleSoft's Anypoint technology with the Company’s other offerings. The goodwill balance is not deductible for U.S. income tax purposes.

The Company assumed unvested options and restricted stock with a fair value of $824 million. Of the total consideration, $387 million was allocated to the purchase consideration and $437 million was allocated to future services and will be expensed over the remaining service periods on a straight-line basis.

The amounts of revenue and pretax loss of MuleSoft included in the Company’s consolidated statement of operations from the acquisition date in May 2018 through January 31, 2019 are as follows (in millions):



Total revenues	$	431
Pretax loss	(286		)

The following pro forma financial information summarizes the combined results of operations for the Company and MuleSoft, as though the companies were combined as of the beginning of the Company’s fiscal 2018.

The unaudited pro forma financial information was as follows (in millions):



	Fiscal Year Ended January 31,
	2019		2018
Total revenues	$	13,366	$	10,875
Pretax income (loss)	1,012		(85		)
Net income (loss)	987		(45		)

The pro forma financial information for all periods presented above has been calculated after adjusting the results of MuleSoft to reflect the business combination accounting effects resulting from this acquisition, including the amortization of fair value adjustments to unearned revenue, the amortization expense from acquired intangible assets and the stock-based compensation expense for unvested stock options and restricted stock awards assumed as well as the interest expense associated with the Company's issuance of debt prior to the acquisition as though the acquisition occurred as of the beginning of the Company’s fiscal year 2018. The historical consolidated financial statements have been adjusted in the pro forma combined financial statements to give effect to pro forma events that are directly attributable to the business combination and factually supportable. The pro forma financial information is for informational purposes only and is not indicative of the results of operations that would have been achieved if the acquisition had taken place at the beginning of the Company’s fiscal 2018.

The pro forma financial information for fiscal 2019 and 2018 combines the historical results of the Company for fiscal 2019 and 2018, the adjusted historical results of MuleSoft for fiscal 2019 and 2018, due to differences in reporting periods and considering the date the Company acquired MuleSoft, and the effects of the pro forma adjustments listed above. Prior to being acquired, MuleSoft's fiscal year concluded on December 31. Net income for fiscal 2018 above includes a discrete tax benefit of $136 million, resulting from a partial release of valuation allowance in connection with the acquisition. The net deferred tax liability from the acquisition of MuleSoft provided a source of additional income to support the realizability of the Company's pre-existing deferred tax assets. The deferred tax liability considered the 21 percent corporate tax rate enacted by the Tax Act.

CloudCraze

In April 2018, the Company acquired all outstanding stock of CloudCraze LLC ("CloudCraze"), for consideration consisting of cash and equity awards assumed. CloudCraze is a commerce platform that allows businesses to generate online revenue and scale for growth. CloudCraze delivers interactions across commerce, sales, marketing and service. The Company has included the financial results of CloudCraze in the consolidated financial statements from the date of acquisition, which have not been material to date. The transaction costs associated with the acquisition were not material.

The acquisition date fair value of the consideration transferred for CloudCraze was approximately $190 million, which consisted of cash and the fair value of stock options and restricted stock awards assumed. The Company recorded approximately $58 million for developed technology and customer relationships with estimated useful lives of one to seven years. The Company recorded approximately $134 million of goodwill which is primarily attributed to the assembled workforce and expanded market opportunities from integrating CloudCraze's technology with the Company's other offerings. The goodwill balance is deductible for U.S. income tax purposes. The fair value of current and noncurrent income taxes payable and deferred taxes, may be subject to change as additional information is received and certain tax returns are finalized. The Company expects to finalize the valuation as soon as practicable, but not later than one year from the acquisition date.

Fiscal Year 2018

During fiscal 2018, the Company acquired two companies for an aggregate of $38 million in cash and equity, net of cash acquired, and has included the financial results of these companies in its consolidated financial statements from the dates of acquisition. The transactions were not material to the Company and the costs associated with the acquisitions were not material. The Company accounted for the transactions as business combinations. In allocating the purchase consideration based on estimated fair values, the Company recorded $3 million of intangible assets and $35 million of goodwill. The majority of the goodwill balance associated with these business combinations is deductible for U.S. income tax purposes.

Fiscal Year 2017

During fiscal 2017, the Company acquired 13 companies, including the acquisition of Demandware, for an aggregate of $4.4 billion in cash and equity, net of cash acquired, and has included the financial results of these companies in its consolidated financial statements from the dates of acquisition. The costs associated with the acquisitions were not material. The Company accounted for the transactions as business combinations. In allocating the purchase consideration based on estimated fair values, the Company recorded $851 million of intangible assets and $3.4 billion of goodwill. The majority of the goodwill balance associated with these business combinations is not deductible for U.S. income tax purposes.

Fact Table
Network	2108100 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwill)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Goodwill and Intangible Assets Disclosure [Text Block]

Intangible Assets Acquired Through Business Combinations and Goodwill

Intangible assets acquired through business combinations

Intangible assets acquired through business combinations are as follows (in millions):



	Intangible Assets, Gross							Accumulated Amortization									Intangible Assets, Net				Weighted Average Remaining Useful Life (Years)
	Jan 31, 2018		Additions and retirements, net			Jan 31, 2019		Jan 31, 2018			Expense and retirements, net			Jan 31, 2019			Jan 31, 2018		Jan 31, 2019		Weighted Average Remaining Useful Life (Years)
Acquired developed technology	$	1,027	$	402		$	1,429	$	(677	)	$	(212	)	$	(889	)	$	350	$	540	2.9
Customer relationships	831		1,107			1,938		(359		)	(201		)	(560		)	472		1,378		6.3
Other (1)	53		(1		)	52		(48		)	1			(47		)	5		5		2.5
Total	$	1,911	$	1,508		$	3,419	$	(1,084	)	$	(412	)	$	(1,496	)	$	827	$	1,923	5.3

(1)Included in other are trade names, trademarks and territory rights.

Amortization of intangible assets resulting from business combinations for fiscal 2019, 2018 and 2017 was $447 million, $287 million and $226 million, respectively.

The expected future amortization expense for intangible assets as of January 31, 2019 is as follows (in millions):



Fiscal Period:
Fiscal 2020	$	472
Fiscal 2021	414
Fiscal 2022	351
Fiscal 2023	211
Fiscal 2024	148
Thereafter	327
Total amortization expense	$	1,923

Customer contract assets acquired through business combinations

Customer contract assets resulting from business combinations reflects the fair value of future billings of amounts that are contractually committed by acquired companies' existing customers as of the acquisition date. Customer contract assets are amortized over the corresponding contract terms. Customer contract assets resulting from business combinations at January 31, 2019 and January 31, 2018 were $121 million and $159 million, respectively, which is included in “Other assets” on the consolidated balance sheets.

Goodwill

Goodwill represents the excess of the purchase price in a business combination over the fair value of net assets acquired. Goodwill amounts are not amortized, but rather tested for impairment at least annually during the fourth quarter.

The changes in the carrying amounts of goodwill, which is generally not deductible for tax purposes, were as follows (in millions):



Balance as of January 31, 2017	$	7,264
Acquisitions	35
Adjustments of acquisition date fair values, including the effect of foreign currency translation	15
Balance as of January 31, 2018	$	7,314
CloudCraze acquisition	134
MuleSoft acquisition	4,816
Datorama acquisition	586
Adjustments of acquisition date fair values, including the effect of foreign currency translation	1
Balance as of January 31, 2019	$	12,851

Fact Table
Network	2109100 - Disclosure - Debt (http://salesforce.com/role/Debt)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Debt Disclosure [Text Block]

Debt

The carrying values of the Company's borrowings were as follows (in millions):



Instrument	Date of issuance	Maturity date	Effective interest rate for fiscal 2019	January 31, 2019			January 31, 2018
2021 Term Loan	May 2018	May 2021	3.05%	$	499		$	0
2023 Senior Notes	April 2018	April 2023	3.26%	993			0
2028 Senior Notes	April 2018	April 2028	3.70%	1,488			0
2019 Term Loan	July 2016	July 2019	2.96% (1)	0			498
Loan assumed on 50 Fremont	February 2015	June 2023	3.75%	196			199
0.25% Convertible Senior Notes	March 2013	April 2018	2.53% (2)	0			1,023
Total carrying value of debt				3,176			1,720
Less current portion of debt				(3		)	(1,025		)
Total noncurrent debt				$	3,173		$	695

(1) The Company repaid the 2019 Term Loan in full in January 2019.

(2) From February 1, 2018 through maturity, the effective interest rate for the Convertible Senior Notes was 2.53%.

Each of the Company's debt agreements requires it to maintain compliance with certain debt covenants, all of which the Company was in compliance with as of January 31, 2019.

The expected future principal payments for all borrowings as of January 31, 2019 is as follows (in millions):



Fiscal period:
Fiscal 2020	$	3
Fiscal 2021	4
Fiscal 2022	504
Fiscal 2023	4
Fiscal 2024	1,183
Thereafter	1,500
Total principal outstanding	$	3,198

2021 Term Loan

In April 2018, the Company entered into a new three-year unsecured term loan with Bank of America, N.A. and certain other institutional lenders for $500 million (“2021 Term Loan”) that matures in May 2021. The net proceeds of the 2021 Term Loan were for the purpose of partially funding the acquisition of MuleSoft and were received in May 2018. As of January 31, 2019, the noncurrent outstanding principal portion was $500 million.

2023 Senior Notes

In April 2018, the Company issued an aggregate principal amount of $1.0 billion in senior notes that will mature in April 2023 and bear interest at a fixed rate of 3.25 percent per annum ("2023 Senior Notes"). The interest is payable semi-annually in April and October of each year, commencing in October 2018. The Company incurred issuance costs of $8 million in connection with the 2023 Senior Notes that, along with the debt discount upon issuance, are being amortized to interest expense over the term of the 2023 Senior Notes. The 2023 Senior Notes are unsecured and rank equally in right of payment with all of the other senior unsecured indebtedness. As of January 31, 2019, the noncurrent outstanding principal portion was $1.0 billion.

2028 Senior Notes

In April 2018, the Company issued an aggregate principal amount of $1.5 billion in senior notes that will mature in April 2028 and bear interest at a fixed rate of 3.70 percent per annum ("2028 Senior Notes"). The interest is payable semi-annually in April and October of each year, commencing in October 2018. The Company incurred issuance costs of $13 million in connection with the 2028 Senior Notes that, along with the debt discount upon issuance, are being amortized to interest expense over the term of the 2028 Senior Notes. The 2028 Senior Notes are unsecured and rank equally in right of payment with all of the other senior unsecured indebtedness. As of January 31, 2019, the noncurrent outstanding principal portion was $1.5 billion.

2019 Term Loan

In July 2016, the Company entered into a credit agreement (“Term Loan Credit Agreement”) with Bank of America, N.A. and certain other institutional lenders for a $500 million term loan facility (“2019 Term Loan”) that matures in July 2019. In January 2019, the Company repaid the 2019 Term Loan in full and the Term Loan Credit Agreement was terminated.

Loan Assumed on 50 Fremont

The Company assumed a $200 million loan with the acquisition of 50 Fremont in San Francisco, California (“Loan”). The Loan bears an interest rate of 3.75 percent per annum and is due in June 2023. Starting in July 2018, principal and interest payments are required, with the remaining principal due at maturity. As of January 31, 2019, the current and noncurrent outstanding principal portion was $3 million and $195 million, respectively. The Loan can be prepaid at any time subject to a yield maintenance fee.

Convertible Senior Notes

In March 2013, the Company issued at par value $1.15 billion of 0.25% convertible senior notes (the “0.25% Senior Notes”, or “Notes”) due in April 2018. The Notes matured in April 2018 and the Company repaid $1.0 billion in cash of principal balance of the Notes during the Company's first quarter of fiscal 2019. The Company also distributed approximately 7 million shares of the Company's common stock to noteholders during fiscal 2019, which represents the conversion value in excess of the principal amount.

To minimize the impact of potential economic dilution upon conversion of the Notes, also in March 2013, the Company entered into convertible note hedge transactions with respect to its common stock. The Company received approximately 7 million shares of the Company's common stock from the exercise of the notes hedges related to the 0.25% Senior Notes during this same period.

Warrants

In March 2013, the Company entered into a warrants transaction (“0.25% Warrants”), whereby the Company sold warrants to acquire, subject to anti-dilution adjustments, shares of the Company’s common stock. The 0.25% Warrants were separate transactions entered into by the Company and were not part of the terms of the 0.25% Senior Notes or the related note hedges. In June 2018, the Company entered into agreements with each of the 0.25% Warrants counterparties to amend and early settle the 0.25% Warrants prior to their scheduled expiration beginning in July 2018. As a result of this amendment, during fiscal 2019, the Company issued, in the aggregate, approximately 6 million shares to the counterparties to settle, via a net share settlement, the entirety of the 0.25% Warrants, which increased the shares used in computing basic net income per share by 4 million for fiscal 2019.

Revolving Credit Facility

In April 2018, the Company entered into a Second Amended and Restated Credit Agreement ("Revolving Loan Credit Agreement") with Wells Fargo Bank, National Association, and certain other institutional lenders that provides for $1.0 billion unsecured revolving credit facility (“Credit Facility”) that matures in April 2023. The Revolving Loan Credit Agreement amended and restated the Company’s existing revolving credit facility dated July 2016. The Company may use the proceeds of future borrowings under the Credit Facility for refinancing other indebtedness, working capital, capital expenditures and other general corporate purposes, including permitted acquisitions.

There were no outstanding borrowings under the Credit Facility as of January 31, 2019. The Company continues to pay a commitment fee on the available amount of the Credit Facility, which is included within interest expense in the Company's consolidated statement of operations.

Interest Expense on Debt

The following table sets forth total interest expense recognized related to debt (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Contractual interest expense	$	106	$	23	$	19
Amortization of debt issuance costs	16		5		6
Amortization of debt discount	4		26		25
	$	126	$	54	$	50

Fact Table
Network	2110100 - Disclosure - Income Taxes (http://salesforce.com/role/IncomeTaxes)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Income Tax Disclosure [Text Block]

Income Taxes

The domestic and foreign components of income before provision for (benefit from) income taxes consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Domestic	$	839	$	160	$	151
Foreign	144		260		28
	$	983	$	420	$	179

The provision for (benefit from) income taxes consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Current:
Federal	$	0		$	(7	)	$	0
State	39			2			5
Foreign	117			85			72
Total	156			80			77
Deferred:
Federal	(248		)	(2		)	(183		)
State	(37		)	(14		)	(26		)
Foreign	2			(4		)	(12		)
Total	(283		)	(20		)	(221		)
Provision for (benefit from) income taxes	$	(127	)	$	60		$	(144	)

In fiscal 2019, the Company released a portion of its valuation allowance related to federal and state deferred tax assets, which was partially offset with the increase in unrecognized tax benefits. In addition, the Company recorded current tax expense for profitable jurisdictions outside of the United States.

In fiscal 2018, the Company recorded tax expense primarily from profitable jurisdictions outside of the United States. In fiscal 2017, the Company recorded a net tax benefit of $144 million. The most significant component of this tax amount was the benefit of $210 million resulting from a partial release of its valuation allowance in connection with the acquisition of Demandware. The net deferred tax liability from acquisitions provided an additional source of income to support the realizability of the Company's pre-existing deferred tax assets and, as a result, the Company released a portion of its valuation allowance. The tax benefit associated with the release of the valuation allowance was partially offset by income taxes in profitable jurisdictions outside the United States. In addition, as a result of adopting Accounting Standards Update No. 2016-09, “Stock Compensation (Topic 718): Improvements to Employee Shared Based Payment Accounting” (“ASU 2016-09") and the Company's valuation allowance, it did not record significant current tax expense for the United States.

A reconciliation of income taxes at the statutory federal income tax rate to the provision for (benefit from) income taxes included in the accompanying consolidated statements of operations is as follows (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
U.S. federal taxes at statutory rate (1)	$	206		$	142		$	63
State, net of the federal benefit	79			(21		)	7
Effects of non-U.S. operations	379			(35		)	62
Tax credits	(132		)	(107		)	(50		)
Non-deductible expenses	63			53			48
Excess tax benefits related to shared based compensation	(137		)	(135		)	(95		)
Effect of U.S. tax law change	43			126			0
Change in valuation allowance	(612		)	42			(179		)
Other, net	(16		)	(5		)	0
Provision for (benefit from) income taxes	$	(127	)	$	60		$	(144	)

(1) The Company's statutory rates were 21.0 percent and 33.8 percent for fiscal 2019 and fiscal 2018, respectively, which reflected the corporate tax rate reduction effective January 1, 2018 due to the Tax Act.

In December 2017, the Tax Cuts and Jobs Act ("Tax Act") was enacted into law, significantly changing income tax law that affects U.S. corporations. In fiscal 2018, due to the timing of the enactment and the complexity involved in applying the Tax Act, the Company recorded a provisional tax expense of $126 million associated with the re-measurement of deferred taxes for the corporate rate reduction, which was offset by a reduction in valuation allowance of $136 million. Also, based on the Company's provisional assessment, the transition tax had no impact to its income tax provision. In the fourth quarter of fiscal 2019, the Company completed its analysis, based on the guidance, interpretations and data available, and recorded additional expense of $43 million. The adjustment was primarily due to the reversal of a foreign tax credit benefit associated with a one-time distribution.

On January 22, 2018, the FASB released guidance on the accounting for tax on the global intangible low-taxed income (“GILTI”) provisions of the Tax Act. The GILTI provisions impose a tax on foreign income in excess of a deemed return on tangible assets of foreign corporations. The Company has elected to recognize any potential GILTI obligation as an expense in the period it is incurred.

The Company receives certain tax incentives in Singapore in the form of reduced tax rates, which will expire in fiscal 2020. The income tax benefits resulting from the reduced tax rates were immaterial in fiscal 2019, 2018, and 2017.

Deferred Income Taxes

Deferred income taxes reflect the net tax effect of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.

Significant components of the Company’s deferred tax assets and liabilities were as follows (in millions):



	As of January 31,
	2019			2018
Deferred tax assets:
Net operating loss carryforwards	$	173		$	617
Deferred stock-based expense	145			79
Tax credits	605			497
Deferred rent expense	71			59
Accrued liabilities	138			113
Basis difference on strategic and other investments	0			41
Financing obligation	102			97
Deferred intercompany transactions	0			90
Other	22			15
Total deferred tax assets	1,256			1,608
Less valuation allowance	(205		)	(810		)
Deferred tax assets, net of valuation allowance	1,051			798
Deferred tax liabilities:
Deferred commissions	(347		)	(334		)
Purchased intangibles	(382		)	(205		)
Depreciation and amortization	(145		)	(166		)
Basis difference on strategic and other investments	(56		)	0
Deferred revenue	(17		)	(82		)
Other	0			(5		)
Total deferred tax liabilities	(947		)	(792		)
Net deferred tax assets	$	104		$	6

At January 31, 2019, for federal income tax purposes, the Company had net operating loss carryforwards of approximately $2.1 billion, which expire in fiscal 2021 through fiscal 2038, federal research and development tax credits of approximately $381 million, which expire in fiscal 2020 through fiscal 2039, foreign tax credits of approximately $88 million, which expire in fiscal 2020 through fiscal 2029, and alternative minimum tax credits of $1 million, which the Company expects to receive as a refund under the Tax Act. For California income tax purposes, the Company had net operating loss carryforwards of approximately $765 million which expire beginning in fiscal 2020 through fiscal 2039, California research and development tax credits of approximately $281 million, which do not expire, and $9 million of enterprise zone tax credits, which expire in fiscal 2024 through fiscal 2026. For other states' income tax purposes, the Company had net operating loss carryforwards of approximately $1.0 billion, which expire beginning in fiscal 2021 through fiscal 2039 and tax credits of approximately $41 million, which expire beginning in fiscal 2021 through fiscal 2033. Utilization of the Company’s net operating loss carryforwards may be subject to substantial annual limitation due to the ownership change limitations provided by the Internal Revenue Code and similar state provisions. Such an annual limitation could result in the expiration of the net operating loss and tax credit carryforwards before utilization.

The Company had a valuation allowance of $205 million and $810 million as of January 31, 2019 and January 31, 2018 respectively. The Company regularly assesses the realizability of its deferred tax assets and establishes a valuation allowance if it is more-likely-than-not that some or all of its deferred tax assets will not be realized. The Company evaluates and weighs all available positive and negative evidence such as historic results, future reversals of existing deferred tax liabilities, projected future taxable income, as well as prudent and feasible tax-planning strategies. The assessment requires significant judgment and is performed in each of the applicable jurisdictions. The Company demonstrated sustained profitability evidenced by three consecutive years of positive earnings as well as forecasted continuing profitability at the worldwide and U.S. jurisdictional levels. As a result, the Company determined that there was sufficient positive evidence to release a portion of its valuation allowance related to federal and state deferred tax assets, resulting in a tax benefit of $612 million during fiscal 2019. The valuation allowance at the end of January 31, 2019 was primarily related to net operating loss and tax credits in certain state jurisdictions. The Company will continue to evaluate the need for valuation allowances for its deferred tax assets.

Tax Benefits Related to Stock-Based Compensation

The total income tax benefit in the accompanying consolidated statements of operations related to stock-based awards was $236 million, $265 million and $229 million for fiscal 2019, 2018 and 2017, respectively. For fiscal 2018 and 2017, majority of the tax benefit was not recognized as a result of the valuation allowance.

Unrecognized Tax Benefits and Other Considerations

The Company records liabilities related to its uncertain tax positions. Tax positions for the Company and its subsidiaries are subject to income tax audits by multiple tax jurisdictions throughout the world. The Company recognizes the tax benefit of an uncertain tax position only if it is more likely than not that the position is sustainable upon examination by the taxing authority, based on the technical merits. The tax benefit recognized is measured as the largest amount of benefit which is greater than 50 percent likely to be realized upon settlement with the taxing authority. The Company had gross unrecognized tax benefits of $852 million, $304 million, and $231 million as of January 31, 2019, 2018, and 2017 respectively.

A reconciliation of the beginning and ending balance of total unrecognized tax benefits for fiscal years 2019, 2018 and 2017 is as follows (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Beginning of period	$	304		$	231		$	173
Tax positions taken in prior period:
Gross increases	474			31			18
Gross decreases	(2		)	(6		)	(1		)
Tax positions taken in current period:
Gross increases	107			51			58
Settlements	(15		)	(1		)	(16		)
Lapse of statute of limitations	(10		)	(8		)	(1		)
Currency translation effect	(6		)	6			0
End of period	$	852		$	304		$	231

During fiscal 2019, the Company reported an increase of approximately $548 million in its unrecognized tax benefits primarily for tax issues related to the integrations of certain historical acquisitions as a result of recent developments of on-going audits and court cases. For fiscal 2019, total unrecognized tax benefits in an amount of $631 million, if recognized, would reduce income tax expense and the Company’s effective tax rate. For fiscal 2018 and 2017, total unrecognized tax benefits in an amount of $77 million and $73 million, respectively, if recognized, would reduce income tax expense and the Company’s effective tax rate after considering the impact of the change in valuation allowance in the U.S.

The Company recognizes accrued interest and penalties related to unrecognized tax benefits in the income tax provision. The Company recorded an immaterial amount for penalties and interest for each of fiscal 2019, 2018 and 2017. The balance in the non-current income tax payable related to penalties and interest was $10 million, $6 million and $7 million as of January 31, 2019, 2018 and 2017, respectively.

Certain prior year tax returns are currently being examined by various taxing authorities in countries including the United States, France, United Kingdom and Germany. In March 2017, the Company received the final notice of proposed adjustments primarily related to transfer pricing issues from the IRS. The Company is currently appealing the IRS proposed adjustments. The Company believes that it has provided adequate reserves for its income tax uncertainties in all open tax years. As the outcome of the tax audits cannot be predicted with certainty, if any issues addressed in the Company's tax audits are resolved in a manner inconsistent with management's expectations, the Company could adjust its provision for income taxes in the future.

The Company has operations and taxable presence in multiple jurisdictions in the U.S. and outside of the U.S. Tax positions for the Company and its subsidiaries are subject to income tax audits by multiple tax jurisdictions around the world. The Company currently considers U.S. federal and state, Canada, Japan, Australia, Germany, France and the United Kingdom to be major tax jurisdictions. The Company’s U.S. federal and state tax returns since February 1999, which was the inception of the Company, remain open to examination. With some exceptions, tax years prior to fiscal 2016 in jurisdictions outside of U.S. are generally closed. However, in Japan and United Kingdom, the Company is no longer subject to examinations for years prior to fiscal 2015 and fiscal 2017, respectively.

The Company anticipates it is reasonably possible that a decrease of unrecognized tax benefits up to approximately $3 million may occur in the next 12 months, as the applicable statutes of limitations lapse.

Fact Table
Network	2111100 - Disclosure - Earnings Per Share (http://salesforce.com/role/EarningsPerShare)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Earnings Per Share [Text Block]

Earnings Per Share

Basic earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding for the fiscal period. Diluted earnings per share is computed by giving effect to all potential weighted average dilutive common stock, including options, restricted stock units, warrants and the convertible senior notes. The dilutive effect of outstanding awards and convertible securities is reflected in diluted earnings per share by application of the treasury stock method.

A reconciliation of the denominator used in the calculation of basic and diluted earnings per share is as follows (in millions):



4	Fiscal Year Ended January 31,
	2019		2018		2017
Numerator:
Net income	$	1,110	$	360	$	323
Denominator:
Weighted-average shares outstanding for basic earnings per share	751		715		688
Effect of dilutive securities:
Convertible senior notes which matured in April 2018	1		5		2
Employee stock awards	21		14		10
Warrants	2		1		0
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share	775		735		700

The weighted-average number of shares outstanding used in the computation of diluted earnings per share does not include the effect of the following potential outstanding common stock. The effects of these potentially outstanding shares were not included in the calculation of diluted earnings per share because the effect would have been anti-dilutive (in millions):



	Fiscal Year Ended January 31,
	2019	2018	2017
Employee stock awards	4	7	11
Warrants	0	0	17

Fact Table
Network	2111100 - Disclosure - Stockholders' Equity (http://salesforce.com/role/StockholdersEquity)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Shareholders' Equity and Share-based Payments [Text Block]

Stockholders’ Equity

The Company maintains the following stock plans: the ESPP, the 2013 Equity Incentive Plan and the 2014 Inducement Equity Incentive Plan (“2014 Inducement Plan”).

As of January 31, 2019 and January 31, 2018, $76 million and $63 million, respectively, was withheld on behalf of employees for future purchases under the ESPP and is recorded in accrued compensation.

From February 1, 2006 through July 2013, options issued had a term of five years. After July 2013, options issued have a term of seven years.

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions and fair value per share:



	Fiscal Year Ended January 31,
Stock Options	2019			2018			2017
Volatility	27.0 - 28.0		%	28.0 - 31.4		%	31.4 - 32.3		%
Estimated life	3.5 years			3.5 years			3.5 years
Risk-free interest rate	2.5 - 3.0		%	1.4 - 2.3		%	0.9 - 1.6		%
Weighted-average fair value per share of grants	$	28.89		$	22.71		$	19.13



	Fiscal Year Ended January 31,
ESPP	2019			2018			2017
Volatility	22.5 - 25.5		%	21.3 - 27.6		%	28.2 - 35.2		%
Estimated life	0.75 years			0.75 years			0.75 years
Risk-free interest rate	2.0 - 2.6		%	1.1 - 1.7		%	0.5 - 1.0		%
Weighted-average fair value per share of grants	$	32.90		$	23.64		$	20.18

The Company estimated its future stock price volatility considering both its observed option-implied volatilities and its historical volatility calculations. Management believes this is the best estimate of the expected volatility over the expected life of its stock options and stock purchase rights.

The estimated life for the stock options was based on an analysis of historical exercise activity. The risk-free interest rate is based on the rate for a U.S. government security with the same estimated life at the time of the option grant and the stock purchase rights.

The estimated forfeiture rate applied is based on historical forfeiture rates. The Company does not anticipate paying any cash dividends in the foreseeable future and therefore uses an expected dividend yield of zero in the option pricing model.

In fiscal 2016 and fiscal 2017, the Company granted performance-based restricted stock unit awards to the Chairman of the Board and Chief Executive Officer and certain executive officers, including the Chairman of the Board and Chief Executive Officer, respectively. In fiscal 2019, the Company granted additional performance-based restricted stock unit awards to certain employees, including the Chairman of the Board and Co-Chief Executive Officer and other senior executives. The performance-based restricted stock unit awards are subject to vesting based on a performance-based condition and a service-based condition. At the end of the three-year service period, based on the Company's share price performance, these performance-based restricted stock units will vest in a percentage of the target number of shares between 0 and 200%, depending on the extent the performance condition is achieved.

Stock option activity, excluding the ESPP is as follows:



			Options Outstanding
	Shares Available for Grant (in thousands)		Outstanding Stock Options (in thousands)		Weighted- Average Exercise Price		Aggregate Intrinsic Value (in millions)
Balance as of January 31, 2018	50,313		21,735		$	65.96
Increase in shares authorized:
2013 Equity Incentive Plan	40,000		0		0.00
Assumed equity plans	8,357		0		0.00
Options granted under all plans	(13,846	)	13,846		69.04
Restricted stock activity	(19,937	)	0		0.00
Performance-based restricted stock units	(1,911	)	0		0.00
Stock grants to board and advisory board members	(146	)	0		0.00
Exercised	0		(8,495	)	44.40
Plan shares expired	(163	)	0		0.00
Canceled	1,140		(1,140	)	77.59
Balance as of January 31, 2019	63,807		25,946		$	74.15	$	2,019
Vested or expected to vest			24,463		$	72.65	$	1,941
Exercisable as of January 31, 2019			12,770		$	55.58	$	1,231

The total intrinsic value of the options exercised during fiscal 2019, 2018 and 2017 was $784 million, $373 million and $224 million, respectively. The intrinsic value is the difference between the current market value of the stock and the exercise price of the stock option.

The weighted-average remaining contractual life of vested and expected to vest options is approximately 5 years.

As of January 31, 2019, options to purchase 12.8 million shares were vested at a weighted average exercise price of $55.58 per share and had a remaining weighted-average contractual life of approximately 4 years. The total intrinsic value of these vested options as of January 31, 2019 was $1.2 billion.

During fiscal 2019, the Company recognized stock-based expense related to its equity plans for employees and non-employee directors of $1.3 billion. As of January 31, 2019, the aggregate stock compensation remaining to be amortized to costs and expenses was approximately $2.5 billion. The Company will amortize this stock compensation balance as follows: $1.2 billion during fiscal 2020; $0.8 billion during fiscal 2021; $453 million during fiscal 2022; $108 million during fiscal 2023 and $8 million during fiscal 2024. The expected amortization reflects only outstanding stock awards as of January 31, 2019 and assumes no forfeiture activity.

The aggregate stock compensation remaining to be amortized to costs and expenses will be recognized over a weighted average period of 2 years.

The following table summarizes information about stock options outstanding as of January 31, 2019:



	Options Outstanding				Options Exercisable
Range of Exercise Prices	Number Outstanding (in thousands)	Weighted- Average Remaining Contractual Life (Years)	Weighted- Average Exercise Price		Number of Shares (in thousands)	Weighted- Average Exercise Price
$0.03 to $21.54	3,664	6.3	$	11.91	2,273	$	9.77
$22.12 to $59.34	6,119	2.9	53.60		5,805	54.77
$59.37 to $75.01	995	5.2	68.37		442	70.65
$75.57	3,920	4.8	75.57		1,627	75.57
$76.48 to $82.08	3,634	3.9	80.85		2,391	80.86
$82.55 to $113.00	954	5.6	98.03		232	95.36
$118.04 to $155.52	6,660	6.2	120.23		0	0.00
	25,946	4.9	$	74.15	12,770	$	55.58

Restricted stock activity is as follows:



	Restricted Stock Outstanding
	Outstanding (in thousands)		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value (in millions)
Balance as of January 31, 2018	19,018		$	77.85
Granted - restricted stock units and awards	12,221		122.47
Granted - performance-based stock units	541		112.48
Canceled	(1,990	)	91.35
Vested and converted to shares	(8,631	)	77.63
Balance as of January 31, 2019	21,159		$	103.33	$	3,215
Expected to vest	18,491				$	2,810

The restricted stock, which upon vesting entitles the holder to one share of common stock for each share of restricted stock, has an exercise price of $0.001 per share, which is equal to the par value of the Company’s common stock, and generally vests over four years. The total fair value of shares vested during fiscal 2019, 2018 and 2017 was $1.1 billion, $953 million and $640 million respectively.

Common Stock

The following number of shares of common stock were reserved and available for future issuance at January 31, 2019 (in thousands):



Options outstanding	25,946
Restricted stock awards and units and performance-based stock units outstanding	21,159
Stock available for future grant or issuance:
2013 Equity Incentive Plan	63,342
2014 Inducement Plan	352
Acquired equity plans	113
Amended and Restated 2004 Employee Stock Purchase Plan	4,067
	114,979

During fiscal years 2019, 2018 and 2017, certain board members received stock grants totaling 39,350, 57,832 and 62,632 shares of common stock, respectively for board services pursuant to the terms described in the 2013 Plan and previously, the 2004 Outside Directors Stock Plan. The expense related to these awards, which was expensed immediately at the time of the issuance, totaled $5 million for each year in fiscal 2019, 2018 and 2017, respectively.

Preferred Stock

The Company’s board of directors has the authority, without further action by stockholders, to issue up to 5,000,000 shares of preferred stock in one or more series. The Company’s board of directors may designate the rights, preferences, privileges and restrictions of the preferred stock, including dividend rights, conversion rights, voting rights, terms of redemption, liquidation preference, sinking fund terms, and number of shares constituting any series or the designation of any series. The issuance of preferred stock could have the effect of restricting dividends on the Company’s common stock, diluting the voting power of its common stock, impairing the liquidation rights of its common stock, or delaying or preventing a change in control. As of January 31, 2019 and 2018, no shares of preferred stock were outstanding.

Fact Table
Network	2112100 - Disclosure - Commitments (http://salesforce.com/role/Commitments)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Commitments Disclosure [Text Block]

Commitments

Letters of Credit

As of January 31, 2019, the Company had a total of $92 million in letters of credit outstanding substantially in favor of certain landlords for office space. These letters of credit renew annually and expire at various dates through December 2030.

Leases

The Company leases facilities space and certain fixed assets under non-cancelable operating and capital leases with various expiration dates.

As of January 31, 2019, the future minimum lease payments under non-cancelable operating and capital leases are as follows (in millions):



	Capital Leases (1)			Operating Leases (2)		Financing Obligation -Leased Facility (3)
Fiscal Period:
Fiscal 2020	$	200		$	778	$	22
Fiscal 2021	0			658		23
Fiscal 2022	0			466		23
Fiscal 2023	0			369		24
Fiscal 2024	0			314		24
Thereafter	0			1,610		163
Total minimum lease payments	200			$	4,195	$	279
Less: amount representing interest	(9		)
Present value of capital lease obligations	$	191

(1) As of January 31, 2019, the capital lease obligation is included in accrued expenses and other liabilities on the consolidated balance sheet.

(2) Operating leases do not include sublease income. The Company has entered into various sublease agreements with third parties. Under these agreements, the Company expects to receive sublease income of approximately $146 million in the next five years and $79 million thereafter.

(3) Total Financing Obligation - Leased Facility noted above represents the total obligation on the lease agreement including amounts allocated to interest and the implied lease for the land. As of January 31, 2019, $215 million of the total $279 million above was recorded to Financing obligation leased facility, of which the current portion is included in accrued expenses and other liabilities and the noncurrent portion is included in other noncurrent liabilities on the consolidated balance sheet.

The table above excludes renewal terms for facilities and certain services that provide the Company with the option to renew. The Company's future contractual obligations would change if the Company exercised these options.

In addition, the table above excludes two separate agreements for office facilities to be constructed. As of January 31, 2019 construction has not commenced on either of these buildings and the timing of completion of construction is unknown. Due to this uncertainty the entire commitment for these two obligations are excluded from the table above. These agreements are as follows:

•

approximately 324,000 rentable square feet of office space in a building to be constructed as part of the Company's urban campus in San Francisco, California. As of January 31, 2019, construction has not yet commenced on the building and is dependent on the developer obtaining approval from the City and County of San Francisco. The Company expects to begin occupying the space in fiscal 2024 and the total non-cancelable minimum payments under this agreement are approximately $480 million over 16 years. Construction has not commenced on the building and is dependent on the developer obtaining approvals from the City and County of San Francisco.


•	approximately 603,000 rentable square feet of office space in a building to be constructed in Chicago, Illinois. As of January 31, 2019 construction has not yet commenced on the building. The Company expects to begin occupying the space in fiscal 2022 and the total non-cancelable minimum payments under this agreement are approximately $475 million over 17 years.

The terms of the lease agreements provide for rental payments on a graduated basis. The Company recognizes rent expense on a straight-line basis over the lease period and has accrued for rent expense incurred but not paid. Of the total operating lease commitment balance of $4.2 billion, approximately $3.5 billion is related to facilities space. The remaining commitment amount is related to computer equipment and furniture and fixtures.

Rent expense for fiscal 2019, 2018 and 2017 was $365 million, $285 million and $226 million, respectively.

The Company has entered into various contractual commitments with infrastructure service providers for a total commitment of $2.0 billion. The Company paid $156 million in connection with these agreements during fiscal 2019. As of January 31, 2019 the total remaining commitment is approximately $1.8 billion and $264 million is due in the next fiscal year.

Fact Table
Network	2113100 - Disclosure - Employee Benefit Plan (http://salesforce.com/role/EmployeeBenefitPlan)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value		Unit	Rounding	Parenthetical Explanations
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Compensation and Employee Benefit Plans [Text Block]	Employee Benefit Plans The Company has a 401(k) plan covering all eligible employees in the United States and a Registered Retirement Savings plan covering all eligible employees in Canada. Since January 1, 2006, the Company has been contributing to the plans. Total Company contributions during fiscal 2019, 2018 and 2017, were $106 million, $93 million and $56 million, respectively.

Fact Table
Network	2114100 - Disclosure - Legal Proceedings and Claims (http://salesforce.com/role/LegalProceedingsAndClaims)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value		Unit	Rounding	Parenthetical Explanations
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Legal Matters and Contingencies [Text Block]	Legal Proceedings and Claims In the ordinary course of business, the Company is or may be involved in various legal or regulatory proceedings, claims or purported class actions related to alleged infringement of third-party patents and other intellectual property rights, commercial, corporate and securities, labor and employment, wage and hour, and other claims. The Company has been, and may in the future be put on notice and/or sued by third-parties for alleged infringement of their proprietary rights, including patent infringement. In general, the resolution of a legal matter could prevent the Company from offering its service to others, could be material to the Company’s financial condition or cash flows, or both, or could otherwise adversely affect the Company’s operating results. The Company makes a provision for a liability relating to legal matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These provisions are reviewed at least quarterly and adjusted to reflect the impacts of negotiations, estimated settlements, legal rulings, advice of legal counsel and other information and events pertaining to a particular matter. The outcomes of legal proceedings and other contingencies are, however, inherently unpredictable and subject to significant uncertainties. As a result, the Company is not able to reasonably estimate the amount or range of possible losses in excess of any amounts accrued, including losses that could arise as a result of application of non-monetary remedies, with respect to the contingencies it faces, and the Company’s estimates may not prove to be accurate. In management’s opinion, resolution of all current matters is not expected to have a material adverse impact on the Company’s consolidated results of operations, cash flows or financial position. However, depending on the nature and timing of any such dispute or other contingency, an unfavorable resolution of a matter could materially affect the Company’s current or future results of operations or cash flows, or both, in a particular quarter. In December 2018, the Company was named as a nominal defendant and certain of its current and former directors were named as defendants in a purported shareholder derivative action in the Delaware Court of Chancery. The complaint alleged that excessive compensation was paid to such directors for their service, included claims of breach of fiduciary duty and unjust enrichment, and sought restitution and disgorgement of a portion of the directors' compensation. Subsequently, three similar shareholder derivative actions were filed in the Delaware Court of Chancery. The cases have been consolidated under the caption In re Salesforce.com, Inc. Derivative Litigation. The Company believes that the ultimate outcome of this litigation will not materially and adversely affect its business, financial condition, results of operations or cash flows.

Fact Table
Network	2115100 - Disclosure - Related-Party Transactions (http://salesforce.com/role/RelatedPartyTransactions)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value		Unit	Rounding	Parenthetical Explanations
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Related Party Transactions Disclosure [Text Block]	Related-Party Transactions In January 1999, the Salesforce.com Foundation, also referred to as the Foundation, was chartered on an idea of leveraging the Company’s people, technology and resources to help improve communities around the world. The Company calls this integrated philanthropic approach the 1-1-1 model. Beginning in 2008, Salesforce.org, which is a non-profit public benefit corporation, was established to resell the Company's services to nonprofit organizations and certain higher education organizations. The Company’s Chairman is the chairman of both the Foundation and Salesforce.org. The Company’s Chairman holds one of the three Foundation board seats. The Company’s Chairman, one of the Company’s employees and one of the Company’s board members hold three of Salesforce.org’s nine board seats. The Company does not control the Foundation’s or Salesforce.org's activities, and accordingly, the Company does not consolidate either of the related entities' statement of activities with its financial results. Since the Foundation’s and Salesforce.org’s inception, the Company has provided at no charge certain resources to those entities' employees such as office space, furniture, equipment, facilities, services and other resources. The value of these items was approximately $15 million, $11 million and $3 million for fiscal 2019, 2018 and 2017, respectively. Additionally, the Company allows Salesforce.org to donate subscriptions of the Company’s services to other qualified non-profit organizations. The Company also allows Salesforce.org to resell the Company’s service to non-profit organizations and certain education entities. The Company does not charge Salesforce.org for these subscriptions, therefore income from subscriptions sold to non-profit organizations is donated back to the community through charitable grants made by the Foundation and Salesforce.org. The value of the subscriptions sold by Salesforce.org pursuant to the reseller agreement, as amended, was approximately $253 million, $183 million and $112 million for fiscal 2019, 2018 and 2017, respectively.

Fact Table
Network	2116100 - Disclosure - Selected Quarterly Financial Data (Unaudited) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnaudited)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Quarterly Financial Information [Text Block]

Selected Quarterly Financial Data (Unaudited)

Selected summarized quarterly financial information for fiscal 2019 and 2018 is as follows:



	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Fiscal Year
	(in millions, except per share data)
Fiscal 2019
Revenues	$	3,006	$	3,281	$	3,392	$	3,603	$	13,282
Gross profit	2,239		2,432		2,503		2,657		9,831
Income from operations	191		115		92		137		535
Net income	$	344	$	299	$	105	$	362	$	1,110
Basic net income per share	$	0.47	$	0.40	$	0.14	$	0.47	$	1.48
Diluted net income per share	$	0.46	$	0.39	$	0.13	$	0.46	$	1.43
Fiscal 2018
Revenues	$	2,397	$	2,577	$	2,701	$	2,865	$	10,540
Gross profit	1,746		1,907		1,987		2,127		7,767
Income from operations	4		84		155		211		454
Net income	$	1	$	46	$	107	$	206	$	360
Basic net income per share	$	0.00	$	0.06	$	0.15	$	0.28	$	0.50
Diluted net income per share	$	0.00	$	0.06	$	0.14	$	0.28	$	0.49

Fact Table
Network	2117100 - Schedule - Schedule II Valuation and Qualifying Accounts (http://salesforce.com/role/ScheduleIiValuationAndQualifyingAccounts)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

salesforce.com, inc.

Schedule II Valuation and Qualifying Accounts

(in millions)



Description	Balance at beginning of year		Additions		Deductions write-offs			Balance at end of year
Fiscal year ended January 31, 2019
Allowance for doubtful accounts	$	21	$	19	$	(18	)	$	22
Fiscal year ended January 31, 2018
Allowance for doubtful accounts	$	12	$	31	$	(22	)	$	21
Fiscal year ended January 31, 2017
Allowance for doubtful accounts	$	10	$	18	$	(16	)	$	12

Fact Table
Network	2201201 - Disclosure - Summary of Business and Significant Accounting Policies (Policies) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesPolicies)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Advertising Costs, Policy [Policy Text Block]

Advertising Expenses

Advertising is expensed as incurred. Advertising expense was $482 million, $373 million and $350 million for fiscal 2019, 2018 and 2017, respectively.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block]

Business Combinations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Cash and Cash Equivalents, Policy [Policy Text Block]

Cash and Cash Equivalents

The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents. Cash and cash equivalents are stated at fair value.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Commitments and Contingencies, Policy [Policy Text Block]

Warranties and Indemnification

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Stock-Based Expense

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Concentration Risk, Credit Risk, Policy [Policy Text Block]

Concentrations of Credit Risk and Significant Customers

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Consolidation, Policy [Policy Text Block]

Principles of Consolidation

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Derivatives, Policy [Policy Text Block]

Derivative Financial Instruments

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Fair Value of Financial Instruments, Policy [Policy Text Block]

Fair Value Measurement

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Fiscal Period, Policy [Policy Text Block]

Fiscal Year

The Company’s fiscal year ends on January 31. References to fiscal 2019, for example, refer to the fiscal year ending January 31, 2019.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Foreign Currency Transactions and Translations Policy [Policy Text Block]

Foreign Currency Translation

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]

Intangible Assets Acquired through Business Combinations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]

Impairment Assessment

There were no material impairments of capitalized software, intangible assets, long-lived assets or goodwill during fiscal 2019, 2018 and 2017.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Income Tax, Policy [Policy Text Block]

Income Taxes

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Investment, Policy [Policy Text Block]

Strategic Investments

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Lessee, Leases [Policy Text Block]

Leases and Asset Retirement Obligations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Marketable Securities, Policy [Policy Text Block]

Marketable Securities

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

New Accounting Pronouncements, Policy [Policy Text Block]

New Accounting Pronouncements Adopted in Fiscal 2019

Topic 606

The adoption of ASU 2014-09 impacted the Company's previously reported results as follows (in millions, except per share data):



	Fiscal Year Ended January 31, 2018									Fiscal Year Ended January 31, 2017
	As reported			Change			As adjusted			As reported		Change			As adjusted
Total revenues	$	10,480		$	60		$	10,540		$	8,392	$	45		$	8,437
Marketing and sales	4,829			(158		)	4,671			3,918		(107		)	3,811
Benefit from (provision for) income taxes	(75		)	15			(60		)	155		(11		)	144
Net income	$	127		$	233		$	360		$	180	$	143		$	323
Diluted net income per share	$	0.17		$	0.32		$	0.49		$	0.26	$	0.20		$	0.46

The number of shares utilized to calculate the fiscal 2018 and 2017 diluted net income per share was 735 million and 700 million, respectively.

The adoption of ASU 2014-09 impacted the Company's previously reported financial position as of January 31, 2018 as follows (in millions):



	As reported		Change			As adjusted
Accounts receivable, net	$	3,918	$	3		$	3,921
Costs capitalized to obtain revenue contracts, net	461		210			671
Prepaid expenses and other current assets	390		81			471
Costs capitalized to obtain revenue contracts, noncurrent, net	413		692			1,105
Other assets, net	396		(12		)	384
Accrued compensation	961		40			1,001
Accrued expenses and other liabilities	973		(3		)	970
Unearned revenue	7,095		(100		)	6,995
Other noncurrent liabilities	796		50			846
Stockholders’ equity	9,389		987			10,376

ASU 2016-01

ASU 2016-16

Accounting Pronouncements Pending Adoption

ASU 2016-02

ASU 2016-13

ASU 2018-15

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Reclassification, Policy [Policy Text Block]

Reclassifications

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Property, Plant and Equipment, Policy [Policy Text Block]

Property and Equipment

Property and equipment are stated at cost. Depreciation is calculated on a straight-line basis over the estimated useful lives of those assets as follows:



Computers, equipment and software	3 to 9 years
Furniture and fixtures	5 years
Leasehold improvements	Shorter of the estimated lease term or 10 years
Building and structural components	Average weighted useful life of 32 years
Building - leased facility	27 years
Building improvements	10 years

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Research, Development, and Computer Software, Policy [Policy Text Block]

Capitalized Software Costs

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Revenue from Contract with Customer [Policy Text Block]

Revenue Recognition

Adoption of Topic 606

The impact of Topic 606 on reported revenue results was not material. Topic 606, however, modified the Company’s revenue recognition policy in the following ways:


•	Removal of the limitation on contingent revenue, which can result in the subscription and support revenue for certain multi-year customer contracts being recognized earlier in the duration of the contract term;


•	More allocation of subscription and support revenues across the Company’s cloud service offerings and to professional services revenue; and


•	Inclusion of an estimate of variable consideration, such as overage fees, in the total transaction price, which results in the estimated fees being recognized ratably over the contract term, further resulting in the recognition of subscription and support revenues before the actual variable consideration occurs.

The Company used the following transitional practical expedients in the adoption of Topic 606:


•	The Company has not disclosed the remaining performance obligation (formerly, remaining transaction price) for all of the reporting periods prior to the first quarter of fiscal 2019; and


•	Contracts modified before fiscal 2017 were reflected using the retrospective method.

Revenue Recognition Policy

The Company determines the amount of revenue to be recognized through application of the following steps:

•Identification of the contract, or contracts with a customer;

•Identification of the performance obligations in the contract;

•Determination of the transaction price;

•Allocation of the transaction price to the performance obligations in the contract; and

•Recognition of revenue when or as the Company satisfies the performance obligations.

The Company’s subscription service arrangements are non-cancelable and do not contain refund-type provisions.

Subscription and Support Revenues

Subscription and support revenues are comprised of fees that provide customers with access to Cloud Services, software licenses and related support and updates during the term of the arrangement.

Cloud Services allow customers to use the Company's multi-tenant software without taking possession of the software. Revenue is generally recognized ratably over the contract term.

Professional Services and Other Revenues

Significant Judgments - Contracts with Multiple Performance Obligations

Costs Capitalized to Obtain Revenue Contracts

Amortization of capitalized costs to obtain revenue contracts is included in marketing and sales expense in the accompanying consolidated statements of operations.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Segment Reporting, Policy [Policy Text Block]

Segments

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Use of Estimates, Policy [Policy Text Block]

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions in the Company’s consolidated financial statements and notes thereto.

Significant estimates and assumptions made by management include the determination of:


•	the standalone selling price (SSP) of performance obligations for contracts with multiple performance obligations;


•	the estimate of variable consideration as part of the adoption of Accounting Standards Update No. 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”);


•	the fair value of assets acquired and liabilities assumed for business combinations;


•	the recognition, measurement and valuation of current and deferred income taxes;


•	the average period of benefit associated with costs capitalized to obtain revenue contracts;


•	the fair value of certain stock awards issued;


•	the useful lives of intangible assets; and


•	the valuation of privately-held strategic investments.

Fact Table
Network	2301302 - Disclosure - Summary of Business and Significant Accounting Policies (Tables) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

crm:PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock (label)

Property and equipment are stated at cost. Depreciation is calculated on a straight-line basis over the estimated useful lives of those assets as follows:



Computers, equipment and software	3 to 9 years
Furniture and fixtures	5 years
Leasehold improvements	Shorter of the estimated lease term or 10 years
Building and structural components	Average weighted useful life of 32 years
Building - leased facility	27 years
Building improvements	10 years

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The adoption of ASU 2014-09 impacted the Company's previously reported results as follows (in millions, except per share data):



	Fiscal Year Ended January 31, 2018									Fiscal Year Ended January 31, 2017
	As reported			Change			As adjusted			As reported		Change			As adjusted
Total revenues	$	10,480		$	60		$	10,540		$	8,392	$	45		$	8,437
Marketing and sales	4,829			(158		)	4,671			3,918		(107		)	3,811
Benefit from (provision for) income taxes	(75		)	15			(60		)	155		(11		)	144
Net income	$	127		$	233		$	360		$	180	$	143		$	323
Diluted net income per share	$	0.17		$	0.32		$	0.49		$	0.26	$	0.20		$	0.46

The number of shares utilized to calculate the fiscal 2018 and 2017 diluted net income per share was 735 million and 700 million, respectively.

The adoption of ASU 2014-09 impacted the Company's previously reported financial position as of January 31, 2018 as follows (in millions):



	As reported		Change			As adjusted
Accounts receivable, net	$	3,918	$	3		$	3,921
Costs capitalized to obtain revenue contracts, net	461		210			671
Prepaid expenses and other current assets	390		81			471
Costs capitalized to obtain revenue contracts, noncurrent, net	413		692			1,105
Other assets, net	396		(12		)	384
Accrued compensation	961		40			1,001
Accrued expenses and other liabilities	973		(3		)	970
Unearned revenue	7,095		(100		)	6,995
Other noncurrent liabilities	796		50			846
Stockholders’ equity	9,389		987			10,376

Fact Table
Network	2302301 - Disclosure - Revenues (Tables) (http://salesforce.com/role/RevenuesTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Contract with Customer, Asset and Liability [Table Text Block]

The changes in unearned revenue were as follows (in millions):



	Fiscal Year Ended January 31, 2019
Unearned revenue, beginning of period	$	6,995
Billings and other*	14,770
Contribution from contract asset	13
Revenue recognized ratably over time	(12,426		)
Revenue recognized over time as delivered	(629		)
Revenue recognized at a point in time	(227		)
Unearned revenue from business combinations	68
Unearned revenue, end of period	$	8,564

*Other includes, for example, the impact of foreign currency translation

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Disaggregation of Revenue [Table Text Block]

Disaggregation of Revenue

Subscription and Support Revenue by the Company's core service offerings

Subscription and support revenues consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Sales Cloud	$	4,040	$	3,588	$	3,076
Service Cloud	3,621		2,883		2,343
Salesforce Platform and Other	2,854		1,913		1,433
Marketing and Commerce Cloud	1,898		1,382		947
	$	12,413	$	9,766	$	7,799

Total Revenue by Geographic Locations

Revenues by geographical region consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Americas	$	9,445	$	7,621	$	6,259
Europe	2,553		1,916		1,383
Asia Pacific	1,284		1,003		795
	$	13,282	$	10,540	$	8,437

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

Remaining performance obligation consisted of the following (in billions):



	Current		Noncurrent		Total
As of January 31, 2019*	$	11.9	$	13.8	$	25.7

*Includes $450 million of remaining performance obligation related to the MuleSoft acquisition, including contracts executed subsequent to acquisition.

Fact Table
Network	2303301 - Disclosure - Investments (Tables) (http://salesforce.com/role/InvestmentsTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

crm:ScheduleofStrategicInvestmentsTableTextBlock (label)

Strategic investments by form and measurement category as of January 31, 2019 were as follows (in millions):



	Measurement Category
	Fair Value (1)		Measurement Alternative		Other (2)		Total
Equity securities	$	436	$	785	$	50	$	1,271
Debt securities	0		0		31		31
Balance as of January 31, 2019	$	436	$	785	$	81	$	1,302

(1) Equity securities under fair value represents the carrying value of strategic investments in publicly held equity securities.

(2) Other includes the Company's investments accounted for under the equity method of accounting or amortized cost.

Measurement Alternative Adjustments

Privately held equity securities accounted for under the measurement alternative as of January 31, 2019 were as follows (in millions):



	Fiscal Year Ended January 31, 2019
Carrying amount, beginning of period	$	548
Adjustments related to privately held equity securities:
Net additions	95
Impairments and downward adjustments	(32		)
Upward adjustments	174
Carrying amount, end of period	$	785

Gains (losses) on strategic investments, net

Gains and losses recognized in fiscal 2019, 2018 and 2017 were as follows (in millions):



4	Fiscal Year Ended January 31,
	2019			2018		2017
Net gains recognized on publicly traded securities	$	345		$	0	$	0
Net gains recognized on privately held securities	133			19		31
Net gains recognized on sales of equity securities	74			0		0
Net losses recognized on debt securities	(10		)	0		0
Gains on strategic investments, net	$	542		$	19	$	31

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Debt Securities, Available-for-sale [Table Text Block]

The contractual maturities of the investments classified as marketable securities are as follows (in millions):



	As of
	January 31, 2019		January 31, 2018
Due within 1 year	$	482	$	395
Due in 1 year through 5 years	1,189		1,579
Due in 5 years through 10 years	2		4
	$	1,673	$	1,978

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block]

As of January 31, 2019, the following marketable securities were in an unrealized loss position (in millions):



	Less than 12 Months					12 Months or Greater					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Corporate notes and obligations	$	392	$	(2	)	$	457	$	(6	)	$	849	$	(8	)
U.S. treasury securities	0		0			71		(1		)	71		(1		)
Mortgage backed obligations	0		0			58		(1		)	58		(1		)
Asset backed securities	0		0			112		(1		)	112		(1		)
Foreign government obligations	0		0			49		(1		)	49		(1		)
	$	392	$	(2	)	$	747	$	(10	)	$	1,139	$	(12	)

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

At January 31, 2019, marketable securities consisted of the following (in millions):



Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	1,027	$	0	$	(8	)	$	1,019
U.S. treasury securities	89		0		(1		)	88
Mortgage backed obligations	79		0		(1		)	78
Asset backed securities	245		0		(1		)	244
Municipal securities	104		0		0			104
Foreign government obligations	58		0		(1		)	57
U.S. agency obligations	4		0		0			4
Time deposits	4		0		0			4
Covered bonds	75		0		0			75
Total marketable securities	$	1,685	$	0	$	(12	)	$	1,673

At January 31, 2018, marketable securities consisted of the following (in millions):



Investments classified as Marketable Securities	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Corporate notes and obligations	$	1,223	$	1	$	(7	)	$	1,217
U.S. treasury securities	196		0		(2		)	194
Mortgage backed obligations	100		0		(1		)	99
Asset backed securities	251		0		(1		)	250
Municipal securities	53		0		(1		)	52
Foreign government obligations	87		0		(1		)	86
U.S. agency obligations	19		0		0			19
Commercial paper	11		0		0			11
Covered bonds	51		0		(1		)	50
Total marketable securities	$	1,991	$	1	$	(14	)	$	1,978

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Other Nonoperating Income, by Component [Table Text Block]

The components of investment income are presented below (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Interest income	$	61		$	37		$	22
Realized gains	1			1			8
Realized losses	(5		)	(2		)	(3		)
Investment income	$	57		$	36		$	27

Fact Table
Network	2304301 - Disclosure - Derivatives (Tables) (http://salesforce.com/role/DerivativesTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Derivative Instruments, Gain (Loss) [Table Text Block]



	Fiscal Year Ended January 31,
	2019		2018		2017
Foreign currency derivative contracts	$	34	$	15	$	(86	)

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

The fair value of the Company’s outstanding derivative instruments not designated as hedging instruments are summarized below (in millions):



		As of
	Balance Sheet Location	January 31, 2019		January 31, 2018
Foreign currency derivative contracts	Prepaid expenses and other current assets	$	42	$	18

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

Details on outstanding foreign currency derivative contracts are presented below (in millions):



	As of
	January 31, 2019		January 31, 2018
Notional amount of foreign currency derivative contracts	$	4,496	$	1,871
Fair value of foreign currency derivative contracts	25		12

Fact Table
Network	2305301 - Disclosure - Fair Value Measurement (Tables) (http://salesforce.com/role/FairValueMeasurementTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table presents information about the Company’s assets that are measured at fair value as of January 31, 2019 and indicates the fair value hierarchy of the valuation (in millions):



Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of January 31, 2019
Cash equivalents (1):
Time deposits	$	0	$	314	$	0	$	314
Money market mutual funds	1,234		0		0		1,234
Marketable securities:
Corporate notes and obligations	0		1,019		0		1,019
U.S. treasury securities	0		88		0		88
Mortgage backed obligations	0		78		0		78
Asset backed securities	0		244		0		244
Municipal securities	0		104		0		104
Foreign government obligations	0		57		0		57
U.S. agency obligations	0		4		0		4
Time deposits	0		4		0		4
Covered bonds	0		75		0		75
Strategic investments:
Publicly held equity securities	436		0		0		436
Foreign currency derivative contracts (2)	0		42		0		42
Total assets	$	1,670	$	2,029	$	0	$	3,699

___________

(1)Included in “cash and cash equivalents” in the accompanying consolidated balance sheet as of January 31, 2019, in addition to $1.1 billion of cash.

(2)Included in “prepaid expenses and other current assets” in the accompanying consolidated balance sheet as of January 31, 2019.

The following table presents information about the Company’s assets that are measured at fair value as of January 31, 2018 and indicates the fair value hierarchy of the valuation (in millions):



Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of January 31, 2018
Cash equivalents (1):
Time deposits	$	0	$	543	$	0	$	543
Money market mutual funds	1,389		0		0		1,389
Marketable securities:
Corporate notes and obligations	0		1,217		0		1,217
U.S. treasury securities	0		194		0		194
Mortgage backed obligations	0		99		0		99
Asset backed securities	0		250		0		250
Municipal securities	0		52		0		52
Foreign government obligations	0		86		0		86
U.S. agency obligations	0		19		0		19
Commercial paper	0		11		0		11
Covered bonds	0		50		0		50
Strategic investments:
Publicly held equity securities	24		0		0		24
Foreign currency derivative contracts (2)	0		18		0		18
Total assets	$	1,413	$	2,539	$	0	$	3,952

______________

(1)Included in “cash and cash equivalents” in the accompanying consolidated balance sheet as of January 31, 2018, in addition to $611 million of cash.

(2)Included in “prepaid expenses and other current assets” in the accompanying consolidated balance sheet as of January 31, 2018.

Fact Table
Network	2306301 - Disclosure - Property and Equipment (Tables) (http://salesforce.com/role/PropertyAndEquipmentTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Property, Plant and Equipment [Table Text Block]

Property and equipment, net consisted of the following (in millions):



	As of
	January 31, 2019			January 31, 2018
Land	$	184		$	184
Buildings and building improvements	629			626
Computers, equipment and software	1,735			1,629
Furniture and fixtures	188			139
Leasehold improvements	1,098			825
Property and equipment, gross	3,834			3,403
Less accumulated depreciation and amortization	(1,783		)	(1,456		)
Property and equipment, net	$	2,051		$	1,947

Fact Table
Network	2307301 - Disclosure - Business Combinations (Tables) (http://salesforce.com/role/BusinessCombinationsTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Business Acquisition, Pro Forma Information [Table Text Block]



Total revenues	$	431
Pretax loss	(286		)

The unaudited pro forma financial information was as follows (in millions):



	Fiscal Year Ended January 31,
	2019		2018
Total revenues	$	13,366	$	10,875
Pretax income (loss)	1,012		(85		)
Net income (loss)	987		(45		)

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

The following table sets forth the components of identifiable intangible assets acquired and their estimated useful lives as of the date of acquisition (in millions):



	Fair Value		Useful Life
Developed technology	$	159	4 years
Customer relationships	42		8 years
Other purchased intangible assets	1		1 year
Total intangible assets subject to amortization	$	202

The following table sets forth the components of identifiable intangible assets acquired and their estimated useful lives as of the date of acquisition (in millions):



	Fair Value		Useful Life
Developed technology	$	224	4 years
Customer relationships	1,046		8 years
Other purchased intangible assets	9		1 year
Total intangible assets subject to amortization	$	1,279

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The acquisition date fair value of the consideration transferred for Datorama was approximately $766 million, which consisted of the following (in millions):



	Fair Value
Cash	$	136
Common stock issued	537
Fair value of stock options and restricted stock awards assumed	93
Total	$	766

The acquisition date fair value of the consideration transferred for MuleSoft was approximately $6.4 billion, which consisted of the following (in millions):



	Fair Value
Cash	$	4,860
Common stock issued	1,178
Fair value of stock options and restricted stock awards assumed	387
Total	$	6,425

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the fair value of assets acquired and liabilities assumed as of the date of acquisition (in millions):



	Fair Value
Cash and cash equivalents	$	21
Accounts receivable	9
Other current and noncurrent assets	3
Intangible assets	202
Goodwill	586
Accounts payable, accrued expenses and other liabilities, current and noncurrent	(10		)
Unearned revenue	(4		)
Deferred tax liability	(41		)
Net assets acquired	$	766

The following table summarizes the fair values of assets acquired and liabilities assumed as of the date of acquisition (in millions):



	Fair Value
Cash and cash equivalents	$	57
Marketable securities	233
Accounts receivable	69
Contract asset	122
Other current and noncurrent assets	29
Acquired customer contract asset, current and noncurrent - intangible asset	61
Intangible assets	1,279
Goodwill	4,816
Accounts payable, accrued expenses and other liabilities, current and noncurrent	(40		)
Unearned revenue	(57		)
Deferred tax liability	(144		)
Net assets acquired	$	6,425

Fact Table
Network	2308301 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Tables) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

Intangible assets acquired through business combinations are as follows (in millions):



	Intangible Assets, Gross							Accumulated Amortization									Intangible Assets, Net				Weighted Average Remaining Useful Life (Years)
	Jan 31, 2018		Additions and retirements, net			Jan 31, 2019		Jan 31, 2018			Expense and retirements, net			Jan 31, 2019			Jan 31, 2018		Jan 31, 2019		Weighted Average Remaining Useful Life (Years)
Acquired developed technology	$	1,027	$	402		$	1,429	$	(677	)	$	(212	)	$	(889	)	$	350	$	540	2.9
Customer relationships	831		1,107			1,938		(359		)	(201		)	(560		)	472		1,378		6.3
Other (1)	53		(1		)	52		(48		)	1			(47		)	5		5		2.5
Total	$	1,911	$	1,508		$	3,419	$	(1,084	)	$	(412	)	$	(1,496	)	$	827	$	1,923	5.3

(1)Included in other are trade names, trademarks and territory rights.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Goodwill [Table Text Block]

The changes in the carrying amounts of goodwill, which is generally not deductible for tax purposes, were as follows (in millions):



Balance as of January 31, 2017	$	7,264
Acquisitions	35
Adjustments of acquisition date fair values, including the effect of foreign currency translation	15
Balance as of January 31, 2018	$	7,314
CloudCraze acquisition	134
MuleSoft acquisition	4,816
Datorama acquisition	586
Adjustments of acquisition date fair values, including the effect of foreign currency translation	1
Balance as of January 31, 2019	$	12,851

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The expected future amortization expense for intangible assets as of January 31, 2019 is as follows (in millions):



Fiscal Period:
Fiscal 2020	$	472
Fiscal 2021	414
Fiscal 2022	351
Fiscal 2023	211
Fiscal 2024	148
Thereafter	327
Total amortization expense	$	1,923

Fact Table
Network	2309301 - Disclosure - Debt (Tables) (http://salesforce.com/role/DebtTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Interest Income and Interest Expense Disclosure [Table Text Block]

The following table sets forth total interest expense recognized related to debt (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Contractual interest expense	$	106	$	23	$	19
Amortization of debt issuance costs	16		5		6
Amortization of debt discount	4		26		25
	$	126	$	54	$	50

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Long-term Debt Instruments [Table Text Block]

The carrying values of the Company's borrowings were as follows (in millions):



Instrument	Date of issuance	Maturity date	Effective interest rate for fiscal 2019	January 31, 2019			January 31, 2018
2021 Term Loan	May 2018	May 2021	3.05%	$	499		$	0
2023 Senior Notes	April 2018	April 2023	3.26%	993			0
2028 Senior Notes	April 2018	April 2028	3.70%	1,488			0
2019 Term Loan	July 2016	July 2019	2.96% (1)	0			498
Loan assumed on 50 Fremont	February 2015	June 2023	3.75%	196			199
0.25% Convertible Senior Notes	March 2013	April 2018	2.53% (2)	0			1,023
Total carrying value of debt				3,176			1,720
Less current portion of debt				(3		)	(1,025		)
Total noncurrent debt				$	3,173		$	695

(1) The Company repaid the 2019 Term Loan in full in January 2019.

(2) From February 1, 2018 through maturity, the effective interest rate for the Convertible Senior Notes was 2.53%.

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Maturities of Long-term Debt [Table Text Block]

The expected future principal payments for all borrowings as of January 31, 2019 is as follows (in millions):



Fiscal period:
Fiscal 2020	$	3
Fiscal 2021	4
Fiscal 2022	504
Fiscal 2023	4
Fiscal 2024	1,183
Thereafter	1,500
Total principal outstanding	$	3,198

Fact Table
Network	2310301 - Disclosure - Income Taxes (Tables) (http://salesforce.com/role/IncomeTaxesTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for (benefit from) income taxes consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Current:
Federal	$	0		$	(7	)	$	0
State	39			2			5
Foreign	117			85			72
Total	156			80			77
Deferred:
Federal	(248		)	(2		)	(183		)
State	(37		)	(14		)	(26		)
Foreign	2			(4		)	(12		)
Total	(283		)	(20		)	(221		)
Provision for (benefit from) income taxes	$	(127	)	$	60		$	(144	)

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Significant components of the Company’s deferred tax assets and liabilities were as follows (in millions):



	As of January 31,
	2019			2018
Deferred tax assets:
Net operating loss carryforwards	$	173		$	617
Deferred stock-based expense	145			79
Tax credits	605			497
Deferred rent expense	71			59
Accrued liabilities	138			113
Basis difference on strategic and other investments	0			41
Financing obligation	102			97
Deferred intercompany transactions	0			90
Other	22			15
Total deferred tax assets	1,256			1,608
Less valuation allowance	(205		)	(810		)
Deferred tax assets, net of valuation allowance	1,051			798
Deferred tax liabilities:
Deferred commissions	(347		)	(334		)
Purchased intangibles	(382		)	(205		)
Depreciation and amortization	(145		)	(166		)
Basis difference on strategic and other investments	(56		)	0
Deferred revenue	(17		)	(82		)
Other	0			(5		)
Total deferred tax liabilities	(947		)	(792		)
Net deferred tax assets	$	104		$	6

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]



	Fiscal Year Ended January 31,
	2019			2018			2017
U.S. federal taxes at statutory rate (1)	$	206		$	142		$	63
State, net of the federal benefit	79			(21		)	7
Effects of non-U.S. operations	379			(35		)	62
Tax credits	(132		)	(107		)	(50		)
Non-deductible expenses	63			53			48
Excess tax benefits related to shared based compensation	(137		)	(135		)	(95		)
Effect of U.S. tax law change	43			126			0
Change in valuation allowance	(612		)	42			(179		)
Other, net	(16		)	(5		)	0
Provision for (benefit from) income taxes	$	(127	)	$	60		$	(144	)

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The domestic and foreign components of income before provision for (benefit from) income taxes consisted of the following (in millions):



	Fiscal Year Ended January 31,
	2019		2018		2017
Domestic	$	839	$	160	$	151
Foreign	144		260		28
	$	983	$	420	$	179

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Summary of Income Tax Contingencies [Table Text Block]

A reconciliation of the beginning and ending balance of total unrecognized tax benefits for fiscal years 2019, 2018 and 2017 is as follows (in millions):



	Fiscal Year Ended January 31,
	2019			2018			2017
Beginning of period	$	304		$	231		$	173
Tax positions taken in prior period:
Gross increases	474			31			18
Gross decreases	(2		)	(6		)	(1		)
Tax positions taken in current period:
Gross increases	107			51			58
Settlements	(15		)	(1		)	(16		)
Lapse of statute of limitations	(10		)	(8		)	(1		)
Currency translation effect	(6		)	6			0
End of period	$	852		$	304		$	231

Fact Table
Network	2311301 - Disclosure - Earnings Per Share (Tables) (http://salesforce.com/role/EarningsPerShareTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]



	Fiscal Year Ended January 31,
	2019	2018	2017
Employee stock awards	4	7	11
Warrants	0	0	17

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of the denominator used in the calculation of basic and diluted earnings per share is as follows (in millions):



4	Fiscal Year Ended January 31,
	2019		2018		2017
Numerator:
Net income	$	1,110	$	360	$	323
Denominator:
Weighted-average shares outstanding for basic earnings per share	751		715		688
Effect of dilutive securities:
Convertible senior notes which matured in April 2018	1		5		2
Employee stock awards	21		14		10
Warrants	2		1		0
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share	775		735		700

Fact Table
Network	2311301 - Disclosure - Stockholders' Equity (Tables) (http://salesforce.com/role/StockholdersEquityTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

crm:ScheduleOfSharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansTableTextBlock (label)

The following number of shares of common stock were reserved and available for future issuance at January 31, 2019 (in thousands):



Options outstanding	25,946
Restricted stock awards and units and performance-based stock units outstanding	21,159
Stock available for future grant or issuance:
2013 Equity Incentive Plan	63,342
2014 Inducement Plan	352
Acquired equity plans	113
Amended and Restated 2004 Employee Stock Purchase Plan	4,067
	114,979

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Stock option activity, excluding the ESPP is as follows:



			Options Outstanding
	Shares Available for Grant (in thousands)		Outstanding Stock Options (in thousands)		Weighted- Average Exercise Price		Aggregate Intrinsic Value (in millions)
Balance as of January 31, 2018	50,313		21,735		$	65.96
Increase in shares authorized:
2013 Equity Incentive Plan	40,000		0		0.00
Assumed equity plans	8,357		0		0.00
Options granted under all plans	(13,846	)	13,846		69.04
Restricted stock activity	(19,937	)	0		0.00
Performance-based restricted stock units	(1,911	)	0		0.00
Stock grants to board and advisory board members	(146	)	0		0.00
Exercised	0		(8,495	)	44.40
Plan shares expired	(163	)	0		0.00
Canceled	1,140		(1,140	)	77.59
Balance as of January 31, 2019	63,807		25,946		$	74.15	$	2,019
Vested or expected to vest			24,463		$	72.65	$	1,941
Exercisable as of January 31, 2019			12,770		$	55.58	$	1,231

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

Restricted stock activity is as follows:



	Restricted Stock Outstanding
	Outstanding (in thousands)		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value (in millions)
Balance as of January 31, 2018	19,018		$	77.85
Granted - restricted stock units and awards	12,221		122.47
Granted - performance-based stock units	541		112.48
Canceled	(1,990	)	91.35
Vested and converted to shares	(8,631	)	77.63
Balance as of January 31, 2019	21,159		$	103.33	$	3,215
Expected to vest	18,491				$	2,810

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table summarizes information about stock options outstanding as of January 31, 2019:



	Options Outstanding				Options Exercisable
Range of Exercise Prices	Number Outstanding (in thousands)	Weighted- Average Remaining Contractual Life (Years)	Weighted- Average Exercise Price		Number of Shares (in thousands)	Weighted- Average Exercise Price
$0.03 to $21.54	3,664	6.3	$	11.91	2,273	$	9.77
$22.12 to $59.34	6,119	2.9	53.60		5,805	54.77
$59.37 to $75.01	995	5.2	68.37		442	70.65
$75.57	3,920	4.8	75.57		1,627	75.57
$76.48 to $82.08	3,634	3.9	80.85		2,391	80.86
$82.55 to $113.00	954	5.6	98.03		232	95.36
$118.04 to $155.52	6,660	6.2	120.23		0	0.00
	25,946	4.9	$	74.15	12,770	$	55.58

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions and fair value per share:



	Fiscal Year Ended January 31,
Stock Options	2019			2018			2017
Volatility	27.0 - 28.0		%	28.0 - 31.4		%	31.4 - 32.3		%
Estimated life	3.5 years			3.5 years			3.5 years
Risk-free interest rate	2.5 - 3.0		%	1.4 - 2.3		%	0.9 - 1.6		%
Weighted-average fair value per share of grants	$	28.89		$	22.71		$	19.13



	Fiscal Year Ended January 31,
ESPP	2019			2018			2017
Volatility	22.5 - 25.5		%	21.3 - 27.6		%	28.2 - 35.2		%
Estimated life	0.75 years			0.75 years			0.75 years
Risk-free interest rate	2.0 - 2.6		%	1.1 - 1.7		%	0.5 - 1.0		%
Weighted-average fair value per share of grants	$	32.90		$	23.64		$	20.18

Fact Table
Network	2312301 - Disclosure - Commitments (Tables) (http://salesforce.com/role/CommitmentsTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

crm:ScheduleofFutureMinimumLeasePaymentsUnderCapitalLeasesandOperatingLeasesTableTextBlock (label)

As of January 31, 2019, the future minimum lease payments under non-cancelable operating and capital leases are as follows (in millions):



	Capital Leases (1)			Operating Leases (2)		Financing Obligation -Leased Facility (3)
Fiscal Period:
Fiscal 2020	$	200		$	778	$	22
Fiscal 2021	0			658		23
Fiscal 2022	0			466		23
Fiscal 2023	0			369		24
Fiscal 2024	0			314		24
Thereafter	0			1,610		163
Total minimum lease payments	200			$	4,195	$	279
Less: amount representing interest	(9		)
Present value of capital lease obligations	$	191

(1) As of January 31, 2019, the capital lease obligation is included in accrued expenses and other liabilities on the consolidated balance sheet.

Fact Table
Network	2316301 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnauditedTables)
Table	(implied)

Reporting Entity [Axis]

Period [Axis]

Concept

Fact Value

Unit

Rounding

Parenthetical Explanations

0001108524 (http://www.sec.gov/CIK)

2018-02-01 to 2019-01-31

Quarterly Financial Information [Table Text Block]

Selected summarized quarterly financial information for fiscal 2019 and 2018 is as follows:



	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Fiscal Year
	(in millions, except per share data)
Fiscal 2019
Revenues	$	3,006	$	3,281	$	3,392	$	3,603	$	13,282
Gross profit	2,239		2,432		2,503		2,657		9,831
Income from operations	191		115		92		137		535
Net income	$	344	$	299	$	105	$	362	$	1,110
Basic net income per share	$	0.47	$	0.40	$	0.14	$	0.47	$	1.48
Diluted net income per share	$	0.46	$	0.39	$	0.13	$	0.46	$	1.43
Fiscal 2018
Revenues	$	2,397	$	2,577	$	2,701	$	2,865	$	10,540
Gross profit	1,746		1,907		1,987		2,127		7,767
Income from operations	4		84		155		211		454
Net income	$	1	$	46	$	107	$	206	$	360
Basic net income per share	$	0.00	$	0.06	$	0.15	$	0.28	$	0.50
Diluted net income per share	$	0.00	$	0.06	$	0.14	$	0.28	$	0.49

Fact Table
Network	2401403 - Disclosure - Summary of Business and Significant Accounting Policies - Additional Information (Detail) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesAdditionalInformationDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:CapitalizedContractCostAmortizationTerm (label)	_1820766
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:CapitalizedContractCostRenewalsandSuccessFeesAmortizationTerm (label)	_1821530
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Geographical [Domain] * Accounting Standards Update 2016-01 [Member] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Retained Earnings [Member]	crm:CumulativeEffectofNewAccountingPrincipleinPeriodofAdoptionTaxImpact (label)	6000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:GainLossonSaleofStrategicInvestment (label)	78000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	693000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	1156000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:IncreaseDecreaseinCapitalizedContractCosts (label)	981000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:PercentageofTaxBenefitLikelyToBeRealizedUponSettlement (label)	0.5	xbrli:pure	INF
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAwardOfferingPeriod (label)	_1826780
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePeriod (label)	_1827546
11	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Advertising Expense	350000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Advertising Expense	373000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Advertising Expense	482000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Capitalized Contract Cost, Amortization	470000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Capitalized Contract Cost, Amortization	592000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Capitalized Contract Cost, Amortization	737000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Capitalized Contract Cost, Net	1800000000	iso4217:USD	-8
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Capitalized Contract Cost, Net	2000000000	iso4217:USD	-8
19	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * UNITED STATES * Type of Adoption [Domain] * Equity Award [Domain] * Assets, Total [Member] * Geographic Concentration Risk [Member] * Equity Component [Domain]	Concentration Risk, Percentage	0.17	xbrli:pure	2
20	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * crm:NonAmericasMember (label) * Type of Adoption [Domain] * Equity Award [Domain] * Assets, Total [Member] * Geographic Concentration Risk [Member] * Equity Component [Domain]	Concentration Risk, Percentage	0.81	xbrli:pure	2
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * UNITED STATES * Type of Adoption [Domain] * Equity Award [Domain] * Assets, Total [Member] * Geographic Concentration Risk [Member] * Equity Component [Domain]	Concentration Risk, Percentage	0.14	xbrli:pure	2
22	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * crm:NonAmericasMember (label) * Type of Adoption [Domain] * Equity Award [Domain] * Assets, Total [Member] * Geographic Concentration Risk [Member] * Equity Component [Domain]	Concentration Risk, Percentage	0.84	xbrli:pure	2
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Geographical [Domain] * Accounting Standards Update 2016-01 [Member] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Retained Earnings [Member]	Cumulative Effect of New Accounting Principle in Period of Adoption	13000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Geographical [Domain] * Accounting Standards Update 2016-16 [Member] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Retained Earnings [Member]	Cumulative Effect of New Accounting Principle in Period of Adoption	17000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Impairment of Long-Lived Assets Held-for-use	0	iso4217:USD	INF
26	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Impairment of Long-Lived Assets Held-for-use	0	iso4217:USD	INF
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Number of Operating Segments	1	crm:segment	INF
28	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Realized Investment Gains (Losses)	464000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Restricted Stock [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	_1841366
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * crm:StockOptionsandRestrictedStockMember (label) * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	_1842106
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Performance Shares [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	_1842846
32	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Restricted Stock [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	_1843586
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Geographical [Domain] * Type of Adoption [Domain] * Equity Award [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain] * Equity Component [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	0.15	xbrli:pure	INF

Fact Table
Network	2401404 - Disclosure - Summary of Business and Significant Accounting Policies - Schedule of Property and Equipment Estimated Useful Lives (Detail) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentEstimatedUsefulLivesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Maximum [Member] * crm:ComputerEquipmentAndSoftwareMember (label)	Property, Plant and Equipment, Useful Life	_1814004
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Maximum [Member] * Leasehold Improvements [Member]	Property, Plant and Equipment, Useful Life	_1814624
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Maximum [Member] * Software Development [Member]	Property, Plant and Equipment, Useful Life	_1815244
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Minimum [Member] * crm:ComputerEquipmentAndSoftwareMember (label)	Property, Plant and Equipment, Useful Life	_1815864
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Minimum [Member] * Software Development [Member]	Property, Plant and Equipment, Useful Life	_1816484
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * crm:BuildingLeasedFacilityMember (label)	Property, Plant and Equipment, Useful Life	_1817104
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * crm:BuildingandStructuralComponentsMember (label)	Property, Plant and Equipment, Useful Life	_1817724
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Building Improvements [Member]	Property, Plant and Equipment, Useful Life	_1818344
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Furniture and Fixtures [Member]	Property, Plant and Equipment, Useful Life	_1818964

Fact Table
Network	2401405 - Disclosure - Summary of Business and Significant Accounting Policies - Adoption of ASU 2014-09 (Details) (http://salesforce.com/role/SummaryOfBusinessAndSignificantAccountingPoliciesAdoptionOfAsu201409Details)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	crm:NumberofSharesUtilizedtoCalculateDilutedNetIncome (label)	735000000	xbrli:shares	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	crm:NumberofSharesUtilizedtoCalculateDilutedNetIncome (label)	700000000	xbrli:shares	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Accounts Receivable, Net, Current	3921000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Accounts Receivable, Net, Current	3000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Accounts Receivable, Net, Current	3918000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Accounts Receivable, Net, Current	4924000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Accrued Liabilities, Current	970000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Accrued Liabilities, Current	-3000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Accrued Liabilities, Current	973000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Accrued Liabilities, Current	1356000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Capitalized Contract Cost, Net, Current	671000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Capitalized Contract Cost, Net, Current	210000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Capitalized Contract Cost, Net, Current	461000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Capitalized Contract Cost, Net, Current	788000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Capitalized Contract Cost, Net, Noncurrent	1105000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Capitalized Contract Cost, Net, Noncurrent	692000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Capitalized Contract Cost, Net, Noncurrent	413000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Capitalized Contract Cost, Net, Noncurrent	1232000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Contract with Customer, Liability, Current	-100000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Contract with Customer, Liability, Current	7095000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-07-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
26	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Earnings Per Share, Diluted	0.2	iso4217:USD/xbrli:shares	2
27	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Earnings Per Share, Diluted	0.26	iso4217:USD/xbrli:shares	2
28	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.0	iso4217:USD/xbrli:shares	2
29	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.06	iso4217:USD/xbrli:shares	2
30	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.14	iso4217:USD/xbrli:shares	2
31	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.28	iso4217:USD/xbrli:shares	2
32	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.49	iso4217:USD/xbrli:shares	2
33	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Earnings Per Share, Diluted	0.32	iso4217:USD/xbrli:shares	2
34	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Earnings Per Share, Diluted	0.17	iso4217:USD/xbrli:shares	2
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
36	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.39	iso4217:USD/xbrli:shares	2
37	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.13	iso4217:USD/xbrli:shares	2
38	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
39	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Earnings Per Share, Diluted	1.43	iso4217:USD/xbrli:shares	2
40	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Employee-related Liabilities, Current	1001000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Employee-related Liabilities, Current	40000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Employee-related Liabilities, Current	961000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Employee-related Liabilities, Current	1167000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Income Tax Expense (Benefit)	-144000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Income Tax Expense (Benefit)	11000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Income Tax Expense (Benefit)	-155000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Income Tax Expense (Benefit)	60000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Income Tax Expense (Benefit)	-15000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Income Tax Expense (Benefit)	75000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Income Tax Expense (Benefit)	-127000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Net Income (Loss) Attributable to Parent	143000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Net Income (Loss) Attributable to Parent	180000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Net Income (Loss) Attributable to Parent	233000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Net Income (Loss) Attributable to Parent	127000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Other Assets, Noncurrent	384000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Other Assets, Noncurrent	-12000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Other Assets, Noncurrent	396000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Other Assets, Noncurrent	543000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Other Liabilities, Noncurrent	846000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Other Liabilities, Noncurrent	50000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Other Liabilities, Noncurrent	796000000	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Other Liabilities, Noncurrent	704000000	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Prepaid Expense and Other Assets, Current	471000000	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Prepaid Expense and Other Assets, Current	81000000	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Prepaid Expense and Other Assets, Current	390000000	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Prepaid Expense and Other Assets, Current	629000000	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Revenue from Contract with Customer, Including Assessed Tax	8437000000	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Revenue from Contract with Customer, Including Assessed Tax	45000000	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Revenue from Contract with Customer, Including Assessed Tax	8392000000	iso4217:USD	-6
81	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Revenue from Contract with Customer, Including Assessed Tax	10540000000	iso4217:USD	-6
82	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Revenue from Contract with Customer, Including Assessed Tax	60000000	iso4217:USD	-6
83	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Revenue from Contract with Customer, Including Assessed Tax	10480000000	iso4217:USD	-6
84	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Selling and Marketing Expense	3811000000	iso4217:USD	-6
85	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Selling and Marketing Expense	-107000000	iso4217:USD	-6
86	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Selling and Marketing Expense	3918000000	iso4217:USD	-6
87	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Selling and Marketing Expense	4671000000	iso4217:USD	-6
88	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Selling and Marketing Expense	-158000000	iso4217:USD	-6
89	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Selling and Marketing Expense	4829000000	iso4217:USD	-6
90	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Selling and Marketing Expense	6064000000	iso4217:USD	-6
91	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Stockholders' Equity Attributable to Parent	5003000000	iso4217:USD	-6
92	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Stockholders' Equity Attributable to Parent	8230000000	iso4217:USD	-6
93	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Stockholders' Equity Attributable to Parent	10376000000	iso4217:USD	-6
94	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Accounting Standards Update 2014-09 [Member] * Difference between Revenue Guidance in Effect before and after Topic 606 [Member]	Stockholders' Equity Attributable to Parent	987000000	iso4217:USD	-6
95	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Type of Adoption [Domain] * Calculated under Revenue Guidance in Effect before Topic 606 [Member]	Stockholders' Equity Attributable to Parent	9389000000	iso4217:USD	-6
96	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Type of Adoption [Domain] * Initial Application Period Cumulative Effect Transition [Domain]	Stockholders' Equity Attributable to Parent	15605000000	iso4217:USD	-6

Fact Table
Network	2402402 - Disclosure - Revenues - Disaggregation of Revenue (Detail) (http://salesforce.com/role/RevenuesDisaggregationOfRevenueDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain] * UNITED STATES * Sales Revenue, Services, Net [Member] * Geographic Concentration Risk [Member]	Concentration Risk, Percentage	0.96	xbrli:pure	2
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	8437000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:MarketingandCommerceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	947000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:SalesCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3076000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:SalesforcePlatformandOtherMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1433000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:ServiceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2343000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:SubscriptionandSupportMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	7799000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain] * Americas [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	6259000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain] * Asia Pacific [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	795000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Product and Service [Domain] * Europe [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1383000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2397000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2577000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2701000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2865000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	10540000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:MarketingandCommerceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1382000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:SalesCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3588000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:SalesforcePlatformandOtherMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1913000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:ServiceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2883000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:SubscriptionandSupportMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	9766000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain] * Americas [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	7621000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain] * Asia Pacific [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1003000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Product and Service [Domain] * Europe [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1916000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3006000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3281000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3392000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3603000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain] * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	13282000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MarketingandCommerceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1898000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:SalesCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	4040000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:SalesforcePlatformandOtherMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2854000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:ServiceCloudMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	3621000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:SubscriptionandSupportMember (label) * Geographical [Domain] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	12413000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain] * Americas [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	9445000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain] * Asia Pacific [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	1284000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Product and Service [Domain] * Europe [Member] * Concentration Risk Benchmark [Domain] * Concentration Risk Type [Domain]	Revenue from Contract with Customer, Excluding Assessed Tax	2553000000	iso4217:USD	-6

Fact Table
Network	2402403 - Disclosure - Revenues - Contract Balances, Unearned Revenue and Remaining Performance Obligation (Details) (http://salesforce.com/role/RevenuesContractBalancesUnearnedRevenueAndRemainingPerformanceObligationDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	crm:ContractwithCustomerLiabilityBillingsandOther (label)	14770000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	crm:ContractwithCustomerLiabilityContributionfromContractAsset (label)	13000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	crm:PercentofRevenueRecognizedfromUnearnedRevenueBalanceinPeriod (label)	0.52	xbrli:pure	INF
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	crm:RevenueRemainingPerformanceObligationCurrent (label)	11900000000	iso4217:USD	-8
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	crm:RevenueRemainingPerformanceObligationNoncurrent (label)	13800000000	iso4217:USD	-8
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Asset, Net	81000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Asset, Net	215000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-05-31	Range [Domain] * crm:MuleSoftInc.Member (label) * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Asset, Net	122000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-07-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Liability, Current	6995000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Liability, Current	8564000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination	68000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * crm:TransferredoverTimeasDeliveredMember (label)	Contract with Customer, Liability, Revenue Recognized	629000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Transferred at Point in Time [Member]	Contract with Customer, Liability, Revenue Recognized	227000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Transferred over Time [Member]	Contract with Customer, Liability, Revenue Recognized	12426000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Revenue, Remaining Performance Obligation, Amount	25700000000	iso4217:USD	-8
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * crm:MuleSoftInc.Member (label) * Timing of Transfer of Good or Service [Domain]	Revenue, Remaining Performance Obligation, Amount	450000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Maximum [Member] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	_1727940
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Minimum [Member] * Business Acquisition, Acquiree [Domain] * Timing of Transfer of Good or Service [Domain]	Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	_1728572

Fact Table
Network	2403402 - Disclosure - Investments - Schedule of Marketable Securities (Detail) (http://salesforce.com/role/InvestmentsScheduleOfMarketableSecuritiesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bank Time Deposits [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	14000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	7000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	12000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bank Time Deposits [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	8000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	0	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	1000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Amortized Cost	1991000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	251000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Amortized Cost	51000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Debt Securities, Available-for-sale, Amortized Cost	11000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	1223000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Amortized Cost	87000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	100000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Amortized Cost	53000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	19000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	196000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Amortized Cost	1685000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	245000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bank Time Deposits [Member]	Debt Securities, Available-for-sale, Amortized Cost	4000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bonds [Member]	Debt Securities, Available-for-sale, Amortized Cost	75000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	1027000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Amortized Cost	58000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	79000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale, Amortized Cost	104000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	4000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Amortized Cost	89000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale	1978000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale	250000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Bonds [Member]	Debt Securities, Available-for-sale	50000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Debt Securities, Available-for-sale	11000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale	1217000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale	86000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale	99000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale	52000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale	19000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2018-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale	194000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale	1673000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale	244000000	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bank Time Deposits [Member]	Debt Securities, Available-for-sale	4000000	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Bonds [Member]	Debt Securities, Available-for-sale	75000000	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale	1019000000	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale	57000000	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale	78000000	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Municipal Notes [Member]	Debt Securities, Available-for-sale	104000000	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Government Agencies Debt Securities [Member]	Debt Securities, Available-for-sale	4000000	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale	88000000	iso4217:USD	-6

Fact Table
Network	2403403 - Disclosure - Investments - Schedule of Short-Term and Long-Term Marketable Securities (Detail) (http://salesforce.com/role/InvestmentsScheduleOfShortTermAndLongTermMarketableSecuritiesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	4000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	2000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	1579000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value	1189000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	395000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value	482000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Debt Securities, Available-for-sale	1978000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Debt Securities, Available-for-sale	1673000000	iso4217:USD	-6

Fact Table
Network	2403404 - Disclosure - Investments - Schedule of Marketable Securities in Unrealized Loss Position (Detail) (http://salesforce.com/role/InvestmentsScheduleOfMarketableSecuritiesInUnrealizedLossPositionDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Financial Instruments [Domain]	crm:UnrealizedLossesOnFixedRateInvestmentsUpperRangeValue (label)	1000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	747000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	112000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	457000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	49000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	58000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	71000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	10000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	6000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	392000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	392000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Unrealized Loss Position	1139000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position	112000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position	849000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position	49000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position	58000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position	71000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Financial Instruments [Domain]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	12000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Asset-backed Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	1000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Corporate Debt Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	8000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Security, Government, Non-US [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	1000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Collateralized Mortgage Backed Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	1000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2019-01-31	US Treasury Securities [Member]	Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	1000000	iso4217:USD	-6

Fact Table
Network	2403405 - Disclosure - Investments - Schedule of Components of Investment Income (Detail) (http://salesforce.com/role/InvestmentsScheduleOfComponentsOfInvestmentIncomeDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Gain on Sale of Investments	8000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Gain on Sale of Investments	1000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Gain on Sale of Investments	1000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Investment Income, Interest	22000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Investment Income, Interest	37000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Investment Income, Interest	61000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Investment Income, Net	27000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Investment Income, Net	36000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Investment Income, Net	57000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Loss on Sale of Investments	3000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Loss on Sale of Investments	2000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Loss on Sale of Investments	5000000	iso4217:USD	-6

Fact Table
Network	2403406 - Disclosure - Investments - Schedule of Strategic Investments (Detail) (http://salesforce.com/role/InvestmentsScheduleOfStrategicInvestmentsDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	crm:GainLossonSaleofStrategicInvestment (label)	78000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	crm:GainLossonStrategicInvestments (label)	31000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	crm:GainLossonStrategicInvestments (label)	19000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	crm:GainLossonStrategicInvestments (label)	542000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Changes Measurement [Member] * Financial Instruments [Domain]	crm:StrategicInvestmentsImpairmentsandDownwardAdjustments (label)	32000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Changes Measurement [Member] * Financial Instruments [Domain]	crm:StrategicInvestmentsNetAdditions (label)	95000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Changes Measurement [Member] * Financial Instruments [Domain]	crm:StrategicInvestmentsUpwardAdjustments (label)	174000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	677000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Changes Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	548000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Estimate of Fair Value Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	24000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	1302000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Changes Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	785000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Changes Measurement [Member] * Debt Securities [Member]	Other Long-term Investments	0	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Changes Measurement [Member] * Equity Securities [Member]	Other Long-term Investments	785000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Estimate of Fair Value Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	436000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Estimate of Fair Value Measurement [Member] * Debt Securities [Member]	Other Long-term Investments	0	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Estimate of Fair Value Measurement [Member] * Equity Securities [Member]	Other Long-term Investments	436000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Other than Fair Value Measurement [Member] * Financial Instruments [Domain]	Other Long-term Investments	81000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Other than Fair Value Measurement [Member] * Debt Securities [Member]	Other Long-term Investments	31000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Other than Fair Value Measurement [Member] * Equity Securities [Member]	Other Long-term Investments	50000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Fair Value Measurement [Member] * Debt Securities [Member]	Other Long-term Investments	31000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Portion at Fair Value Measurement [Member] * Equity Securities [Member]	Other Long-term Investments	1271000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Portion at Fair Value Measurement [Member] * crm:PrivatelyHeldSecuritiesMember (label)	Realized Investment Gains (Losses)	31000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Portion at Fair Value Measurement [Member] * crm:PubliclyTradedSecuritiesMember (label)	Realized Investment Gains (Losses)	0	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Portion at Fair Value Measurement [Member] * Debt Securities [Member]	Realized Investment Gains (Losses)	0	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Portion at Fair Value Measurement [Member] * Equity Securities [Member]	Realized Investment Gains (Losses)	0	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Portion at Fair Value Measurement [Member] * crm:PrivatelyHeldSecuritiesMember (label)	Realized Investment Gains (Losses)	19000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Portion at Fair Value Measurement [Member] * crm:PubliclyTradedSecuritiesMember (label)	Realized Investment Gains (Losses)	0	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Portion at Fair Value Measurement [Member] * Debt Securities [Member]	Realized Investment Gains (Losses)	0	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Portion at Fair Value Measurement [Member] * Equity Securities [Member]	Realized Investment Gains (Losses)	0	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * Financial Instruments [Domain]	Realized Investment Gains (Losses)	464000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * crm:PrivatelyHeldSecuritiesMember (label)	Realized Investment Gains (Losses)	133000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * crm:PubliclyTradedSecuritiesMember (label)	Realized Investment Gains (Losses)	345000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * Debt Securities [Member]	Realized Investment Gains (Losses)	-10000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Portion at Fair Value Measurement [Member] * Equity Securities [Member]	Realized Investment Gains (Losses)	74000000	iso4217:USD	-6

Fact Table
Network	2404402 - Disclosure - Derivatives - Schedule of Outstanding Foreign Currency Derivative Contracts Related Primarily to Intercompany Receivables and Payables (Detail) (http://salesforce.com/role/DerivativesScheduleOfOutstandingForeignCurrencyDerivativeContractsRelatedPrimarilyToIntercompanyReceivablesAndPayablesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member]	Derivative, Notional Amount	1871000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member]	Derivative, Notional Amount	4496000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Derivative Contract [Domain] * Not Designated as Hedging Instrument [Member]	Derivative, Fair Value, Net	12000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Derivative Contract [Domain] * Not Designated as Hedging Instrument [Member]	Derivative, Fair Value, Net	25000000	iso4217:USD	-6

Fact Table
Network	2404403 - Disclosure - Derivatives - Fair Value of Outstanding Derivative Instruments (Detail) (http://salesforce.com/role/DerivativesFairValueOfOutstandingDerivativeInstrumentsDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value		Unit	Rounding	Parenthetical Explanations
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Prepaid Expenses and Other Current Assets [Member] * Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member]	Derivative Asset, Fair Value, Gross Asset	18000000		iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Prepaid Expenses and Other Current Assets [Member] * Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member]	Derivative Asset, Fair Value, Gross Asset	42000000		iso4217:USD	-6

Fact Table
Network	2404404 - Disclosure - Derivatives - Effect of Derivative Instruments Not Designated as Hedging Instruments on Condensed Consolidated Statements of Operations (Detail) (http://salesforce.com/role/DerivativesEffectOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsOnCondensedConsolidatedStatementsOfOperationsDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member] * Other Expense [Member]	Derivative, Gain (Loss) on Derivative, Net	-86000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member] * Other Expense [Member]	Derivative, Gain (Loss) on Derivative, Net	15000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Foreign Exchange Contract [Member] * Not Designated as Hedging Instrument [Member] * Other Expense [Member]	Derivative, Gain (Loss) on Derivative, Net	34000000	iso4217:USD	-6

Fact Table
Network	2405402 - Disclosure - Fair Value Measurement (Detail) (http://salesforce.com/role/FairValueMeasurementDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	3952000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	1413000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	2539000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	0	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	3699000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	1670000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	2029000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Assets, Fair Value Disclosure	0	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	1389000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	543000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	543000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Cash and Cash Equivalents [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	1389000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Cash [Member]	Cash and Cash Equivalents, Fair Value Disclosure	611000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	1234000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	314000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	0	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Bank Time Deposits [Member]	Cash and Cash Equivalents, Fair Value Disclosure	314000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Cash and Cash Equivalents [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Money Market Funds [Member]	Cash and Cash Equivalents, Fair Value Disclosure	1234000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Cash [Member]	Cash and Cash Equivalents, Fair Value Disclosure	1100000000	iso4217:USD	-8
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	18000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	0	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	18000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	0	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	42000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	0	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	42000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Prepaid Expenses and Other Current Assets [Member] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Derivative Asset	0	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	250000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	50000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Investments, Fair Value Disclosure	11000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	1217000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	86000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	99000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	52000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	19000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	194000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * crm:PrivatelyHeldSecuritiesMember (label)	Investments, Fair Value Disclosure	653000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	250000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	50000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Commercial Paper, Not Included with Cash and Cash Equivalents [Member]	Investments, Fair Value Disclosure	11000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	1217000000	iso4217:USD	-6
67	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	86000000	iso4217:USD	-6
68	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	99000000	iso4217:USD	-6
69	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	52000000	iso4217:USD	-6
70	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	19000000	iso4217:USD	-6
71	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	194000000	iso4217:USD	-6
72	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * crm:MarketableSecuritiesTimeDepositsMember (label)	Investments, Fair Value Disclosure	0	iso4217:USD	-6
73	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
74	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
75	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
76	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
77	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
78	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
79	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
80	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
81	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * crm:MarketableSecuritiesTimeDepositsMember (label)	Investments, Fair Value Disclosure	4000000	iso4217:USD	-6
82	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	244000000	iso4217:USD	-6
83	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	75000000	iso4217:USD	-6
84	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	1019000000	iso4217:USD	-6
85	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	57000000	iso4217:USD	-6
86	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	78000000	iso4217:USD	-6
87	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	104000000	iso4217:USD	-6
88	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	4000000	iso4217:USD	-6
89	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	88000000	iso4217:USD	-6
90	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * crm:MarketableSecuritiesTimeDepositsMember (label)	Investments, Fair Value Disclosure	0	iso4217:USD	-6
91	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * crm:PrivatelyHeldSecuritiesMember (label)	Investments, Fair Value Disclosure	866000000	iso4217:USD	-6
92	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
93	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
94	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
95	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
96	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
97	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
98	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
99	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	0	iso4217:USD	-6
100	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * crm:MarketableSecuritiesTimeDepositsMember (label)	Investments, Fair Value Disclosure	4000000	iso4217:USD	-6
101	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Asset-backed Securities [Member]	Investments, Fair Value Disclosure	244000000	iso4217:USD	-6
102	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Bonds [Member]	Investments, Fair Value Disclosure	75000000	iso4217:USD	-6
103	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Corporate Debt Securities [Member]	Investments, Fair Value Disclosure	1019000000	iso4217:USD	-6
104	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Debt Security, Government, Non-US [Member]	Investments, Fair Value Disclosure	57000000	iso4217:USD	-6
105	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Collateralized Mortgage Backed Securities [Member]	Investments, Fair Value Disclosure	78000000	iso4217:USD	-6
106	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Municipal Notes [Member]	Investments, Fair Value Disclosure	104000000	iso4217:USD	-6
107	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * US Government Agencies Debt Securities [Member]	Investments, Fair Value Disclosure	4000000	iso4217:USD	-6
108	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * US Treasury Securities [Member]	Investments, Fair Value Disclosure	88000000	iso4217:USD	-6
109	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	677000000	iso4217:USD	-6
110	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	24000000	iso4217:USD	-6
111	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	0	iso4217:USD	-6
112	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	0	iso4217:USD	-6
113	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Estimate of Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	24000000	iso4217:USD	-6
114	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	1302000000	iso4217:USD	-6
115	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 1 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	436000000	iso4217:USD	-6
116	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 2 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	0	iso4217:USD	-6
117	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value, Inputs, Level 3 [Member] * Portion at Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	0	iso4217:USD	-6
118	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Fair Value Hierarchy and NAV [Domain] * Estimate of Fair Value Measurement [Member] * Investments [Domain]	Other Long-term Investments	436000000	iso4217:USD	-6

Fact Table
Network	2406402 - Disclosure - Property and Equipment (Detail) (http://salesforce.com/role/PropertyAndEquipmentDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Property, Plant and Equipment, Type [Domain]	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	1456000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Property, Plant and Equipment, Type [Domain]	Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	1783000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Property, Plant and Equipment, Type [Domain]	Capital Leased Assets, Gross	709000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Property, Plant and Equipment, Type [Domain]	Capital Leased Assets, Gross	671000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:ComputerEquipmentAndSoftwareMember (label)	Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	450000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:ComputerEquipmentAndSoftwareMember (label)	Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	480000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Property, Plant and Equipment, Type [Domain]	Other Depreciation and Amortization	323000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Property, Plant and Equipment, Type [Domain]	Other Depreciation and Amortization	373000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Property, Plant and Equipment, Type [Domain]	Other Depreciation and Amortization	411000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Property, Plant and Equipment, Type [Domain]	Property, Plant and Equipment, Gross	3403000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:ComputerEquipmentAndSoftwareMember (label)	Property, Plant and Equipment, Gross	1629000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Building [Member]	Property, Plant and Equipment, Gross	626000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Furniture and Fixtures [Member]	Property, Plant and Equipment, Gross	139000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Land [Member]	Property, Plant and Equipment, Gross	184000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Leasehold Improvements [Member]	Property, Plant and Equipment, Gross	825000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Property, Plant and Equipment, Type [Domain]	Property, Plant and Equipment, Gross	3834000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:ComputerEquipmentAndSoftwareMember (label)	Property, Plant and Equipment, Gross	1735000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Building [Member]	Property, Plant and Equipment, Gross	629000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Furniture and Fixtures [Member]	Property, Plant and Equipment, Gross	188000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Land [Member]	Property, Plant and Equipment, Gross	184000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Leasehold Improvements [Member]	Property, Plant and Equipment, Gross	1098000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Property, Plant and Equipment, Type [Domain]	Property, Plant and Equipment, Net	1947000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Property, Plant and Equipment, Type [Domain]	Property, Plant and Equipment, Net	2051000000	iso4217:USD	-6

Fact Table
Network	2407402 - Disclosure - Business Combinations (Narrative) (Details) (http://salesforce.com/role/BusinessCombinationsNarrativeDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:DatoramaInc.Member (label)	crm:BusinessCombinationConsiderationTransferedFairValueofEquityAwardsAssumed (label)	170000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationConsiderationTransferedFairValueofEquityAwardsAssumed (label)	824000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:DatoramaInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoFutureServices (label)	77000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoFutureServices (label)	437000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (label)	93000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:DatoramaInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (label)	93000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (label)	387000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio (label)	0.4133	xbrli:pure	INF
9	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardConversionRatio (label)	0.368	xbrli:pure	INF
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:DatoramaInc.Member (label)	Business Combination, Acquisition Related Costs	3000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Business Combination, Acquisition Related Costs	24000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Business Combination, Consideration Transferred	766000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Consideration Transferred	6425000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:ThirteenCompaniesMember (label)	Business Combination, Consideration Transferred	4400000000	iso4217:USD	-8
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:TwoCompaniesMember (label)	Business Combination, Consideration Transferred	38000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	537000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	1178000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2017-01-31	crm:ThirteenCompaniesMember (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	851000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:TwoCompaniesMember (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	3000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	202000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1279000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	7264000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-01-31	crm:ThirteenCompaniesMember (label)	Goodwill	3400000000	iso4217:USD	-8
24	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	7314000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:TwoCompaniesMember (label)	Goodwill	35000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	12851000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label)	Goodwill	586000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Goodwill	4816000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:ThirteenCompaniesMember (label)	Number of Businesses Acquired	13	crm:company	INF
30	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:TwoCompaniesMember (label)	Number of Businesses Acquired	2	crm:company	INF
31	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Payments to Acquire Businesses, Gross	136000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Payments to Acquire Businesses, Gross	4860000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Tax Adjustments, Settlements, and Unusual Provisions	136000000	iso4217:USD	-6

Fact Table
Network	2407403 - Disclosure - Business Combinations (Consideration Transferred) (Details) (http://salesforce.com/role/BusinessCombinationsConsiderationTransferredDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (label)	93000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationUnvestedOptionsandRestrictedStockAssumedAllocatedtoPurchaseConsideration (label)	387000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Business Combination, Consideration Transferred	766000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Consideration Transferred	6425000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	537000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	1178000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label)	Payments to Acquire Businesses, Gross	136000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label)	Payments to Acquire Businesses, Gross	4860000000	iso4217:USD	-6

Fact Table
Network	2407404 - Disclosure - Business Combinations (Estimated Fair Values of Assets Acquired and Liabilities Assumed) (Details) (http://salesforce.com/role/BusinessCombinationsEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedAccountsPayableandOtherAccruedExpensesCurrentandNoncurrent (label)	40000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedContractAssetCurrentandNoncurrent (label)	61000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherCurrentandNoncurrentAssets (label)	29000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	57000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities	233000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	69000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue	57000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	144000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1279000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	6425000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Contract with Customer, Asset, Net	122000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Goodwill	4816000000	iso4217:USD	-6

Fact Table
Network	2407405 - Disclosure - Business Combinations (Intangible Assets Acquired) (Details) (http://salesforce.com/role/BusinessCombinationsIntangibleAssetsAcquiredDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label) * Customer Relationships [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1460988
2	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label) * Developed Technology Rights [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1461608
3	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-08-31	crm:DatoramaInc.Member (label) * Other Intangible Assets [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1462228
4	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label) * Customer Relationships [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1462848
5	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label) * Developed Technology Rights [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1463468
6	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-05-31	crm:MuleSoftInc.Member (label) * Other Intangible Assets [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1464088
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Business Acquisition, Acquiree [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1464708
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Business Acquisition, Acquiree [Domain] * Customer Relationships [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1465328
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Business Acquisition, Acquiree [Domain] * Developed Technology Rights [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1465948
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Business Acquisition, Acquiree [Domain] * Other Intangible Assets [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1466568
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	1911000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	831000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	1027000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	53000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	3419000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	1938000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	1429000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	52000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label) * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	202000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label) * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	42000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label) * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	159000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label) * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	1000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label) * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	1279000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label) * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	1046000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label) * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	224000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label) * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	9000000	iso4217:USD	-6

Fact Table
Network	2407406 - Disclosure - Business Combinations (Pro Forma Information) (Details) (http://salesforce.com/role/BusinessCombinationsProFormaInformationDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationProFormaInformationPretaxEarningsorLoss (label)	-85000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	crm:BusinessCombinationProFormaInformationPretaxEarningsorLoss (label)	1012000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:MuleSoftInc.Member (label)	Business Acquisition, Pro Forma Net Income (Loss)	-45000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Business Acquisition, Pro Forma Net Income (Loss)	987000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:MuleSoftInc.Member (label)	Business Acquisition, Pro Forma Revenue	10875000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Business Acquisition, Pro Forma Revenue	13366000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	-286000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	431000000	iso4217:USD	-6

Fact Table
Network	2407407 - Disclosure - Business Combinations (CloudCraze Narrative) (Details) (http://salesforce.com/role/BusinessCombinationsCloudcrazeNarrativeDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-04-01 to 2018-04-30	Maximum [Member] * crm:CloudCrazeLLCMember (label) * crm:DevelopedTechnologyandCustomerRelationshipsMember (label)	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1450404
2	0001108524 (http://www.sec.gov/CIK)	2018-04-01 to 2018-04-30	Minimum [Member] * crm:CloudCrazeLLCMember (label) * crm:DevelopedTechnologyandCustomerRelationshipsMember (label)	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1451048
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Business Acquisition, Acquiree [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1451692
4	0001108524 (http://www.sec.gov/CIK)	2018-04-30	Range [Domain] * crm:CloudCrazeLLCMember (label) * Finite-Lived Intangible Assets, Major Class Name [Domain]	Business Acquisition, Goodwill, Expected Tax Deductible Amount	134000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-04-01 to 2018-04-30	Range [Domain] * crm:CloudCrazeLLCMember (label) * Finite-Lived Intangible Assets, Major Class Name [Domain]	Business Combination, Consideration Transferred	190000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-04-01 to 2018-04-30	Range [Domain] * crm:CloudCrazeLLCMember (label) * crm:DevelopedTechnologyandCustomerRelationshipsMember (label)	Finite-lived Intangible Assets Acquired	58000000	iso4217:USD	-6

Fact Table
Network	2408402 - Disclosure - Assets Acquired Through Business Combinations and Goodwill (Intangible Assets Acquired From Business Combinations) (Details) (http://salesforce.com/role/AssetsAcquiredThroughBusinessCombinationsAndGoodwillIntangibleAssetsAcquiredFromBusinessCombinationsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (label)	1508000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (label)	1107000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (label)	402000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	crm:FinitelivedIntangibleAssetsAdditionsandRetirementsNet (label)	-1000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (label)	412000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (label)	201000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (label)	212000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	crm:FinitelivedIntangibleAssetsAmortizationExpenseandRetirementsNet (label)	-1000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1428350
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1428970
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1429590
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	_1430210
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Amortization of above and below Market Leases	226000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Amortization of above and below Market Leases	287000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Amortization of above and below Market Leases	447000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Contract with Customer, Asset, Net	81000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Other Assets [Member] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Contract with Customer, Asset, Net	159000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Contract with Customer, Asset, Net	215000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Other Assets [Member] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Contract with Customer, Asset, Net	121000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Accumulated Amortization	1084000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	359000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	677000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	48000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Accumulated Amortization	1496000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	560000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	889000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Accumulated Amortization	47000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	1911000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	831000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	1027000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	53000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Gross	3419000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Gross	1938000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Gross	1429000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Gross	52000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Net	827000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Net	472000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Net	350000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Net	5000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Finite-Lived Intangible Assets, Major Class Name [Domain]	Finite-Lived Intangible Assets, Net	1923000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Customer Relationships [Member]	Finite-Lived Intangible Assets, Net	1378000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Developed Technology Rights [Member]	Finite-Lived Intangible Assets, Net	540000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Balance Sheet Location [Domain] * Other Intangible Assets [Member]	Finite-Lived Intangible Assets, Net	5000000	iso4217:USD	-6

Fact Table
Network	2408403 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Expected Future Amortization Expense for Purchased Intangible Assets) (Details) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillExpectedFutureAmortizationExpenseForPurchasedIntangibleAssetsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, after Year Five	327000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	472000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, Year Five	148000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, Year Four	211000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, Year Three	351000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Amortization Expense, Year Two	414000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Finite-Lived Intangible Assets, Net	827000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Finite-Lived Intangible Assets, Net	1923000000	iso4217:USD	-6

Fact Table
Network	2408404 - Disclosure - Intangible Assets Acquired Through Business Combinations and Goodwill (Goodwill) (Details) (http://salesforce.com/role/IntangibleAssetsAcquiredThroughBusinessCombinationsAndGoodwillGoodwillDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	7264000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	7314000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Business Acquisition, Acquiree [Domain]	Goodwill	12851000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-08-31	crm:DatoramaInc.Member (label)	Goodwill	586000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-05-31	crm:MuleSoftInc.Member (label)	Goodwill	4816000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Business Acquisition, Acquiree [Domain]	Goodwill, Acquired During Period	35000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:CloudCrazeLLCMember (label)	Goodwill, Acquired During Period	134000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:DatoramaInc.Member (label)	Goodwill, Acquired During Period	586000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:MuleSoftInc.Member (label)	Goodwill, Acquired During Period	4816000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Business Acquisition, Acquiree [Domain]	Goodwill, Translation and Purchase Accounting Adjustments	15000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Business Acquisition, Acquiree [Domain]	Goodwill, Translation and Purchase Accounting Adjustments	1000000	iso4217:USD	-6

Fact Table
Network	2409402 - Disclosure - Debt - Carrying Value of Borrowings (Details) (http://salesforce.com/role/DebtCarryingValueOfBorrowingsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Gross	1720000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Long-term Debt, Gross	1023000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:A2019TermLoanMember (label) * Medium-term Notes [Member]	Long-term Debt, Gross	498000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Long-term Debt, Gross	0	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Long-term Debt, Gross	0	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Long-term Debt, Gross	0	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	crm:LoanAssumedon50FremontMember (label) * Secured Debt [Member]	Long-term Debt, Gross	199000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Gross	3176000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Long-term Debt, Gross	0	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2019TermLoanMember (label) * Medium-term Notes [Member]	Long-term Debt, Gross	0	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Long-term Debt, Gross	499000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Long-term Debt, Gross	993000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Long-term Debt, Gross	1488000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:LoanAssumedon50FremontMember (label) * Secured Debt [Member]	Long-term Debt, Gross	196000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.0253	xbrli:pure	INF
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2019TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.0296	xbrli:pure	INF
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.0305	xbrli:pure	INF
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.0326	xbrli:pure	INF
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.037	xbrli:pure	INF
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:LoanAssumedon50FremontMember (label) * Secured Debt [Member]	Debt Instrument, Interest Rate, Effective Percentage	0.0375	xbrli:pure	INF
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Current Maturities	1025000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Current Maturities	3000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Excluding Current Maturities	695000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Excluding Current Maturities	3173000000	iso4217:USD	-6

Fact Table
Network	2409403 - Disclosure - Debt - Future Principal Payments (Details) (http://salesforce.com/role/DebtFuturePrincipalPaymentsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt	3198000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal after Year Five	1500000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal in Year Five	1183000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal in Year Four	4000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal in Year Three	504000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal in Year Two	4000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year	3000000	iso4217:USD	-6

Fact Table
Network	2409404 - Disclosure - Debt - Term Loans (Detail) (http://salesforce.com/role/DebtTermLoansDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Face Amount	500000000	iso4217:USD	INF
2	0001108524 (http://www.sec.gov/CIK)	2018-07-31	crm:A2019TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Face Amount	500000000	iso4217:USD	INF
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Face Amount	500000000	iso4217:USD	INF
4	0001108524 (http://www.sec.gov/CIK)	2018-04-01 to 2018-04-30	crm:A2021TermLoanMember (label) * Medium-term Notes [Member]	Debt Instrument, Term	_1386576
5	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	50000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	54000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	126000000	iso4217:USD	-6

Fact Table
Network	2409405 - Disclosure - Debt - Senior Notes (Details) (http://salesforce.com/role/DebtSeniorNotesDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Face Amount	1000000000.0	iso4217:USD	INF
2	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Face Amount	1500000000.0	iso4217:USD	INF
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Face Amount	1000000000	iso4217:USD	INF
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Face Amount	1500000000	iso4217:USD	INF
5	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0325	xbrli:pure	INF
6	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.037	xbrli:pure	INF
7	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2023SeniorNotesMember (label) * Senior Notes [Member]	Debt Issuance Costs, Net	8000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2018-04-30	crm:A2028SeniorNotesMember (label) * Senior Notes [Member]	Debt Issuance Costs, Net	13000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	50000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	54000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	126000000	iso4217:USD	-6

Fact Table
Network	2409406 - Disclosure - Debt - Loan Assumed on 50 Fremont (Details) (http://salesforce.com/role/DebtLoanAssumedOn50FremontDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:LoanAssumedon50FremontMember (label) * Mortgages [Member]	Business Combination, Consideration Transferred, Liabilities Incurred	200000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:LoanAssumedon50FremontMember (label) * Mortgages [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0375	xbrli:pure	INF
3	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	50000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	54000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Interest Expense, Debt	126000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Current Maturities	1025000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Current Maturities	3000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:LoanAssumedon50FremontMember (label) * Mortgages [Member]	Long-term Debt, Current Maturities	3000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Excluding Current Maturities	695000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	Long-term Debt, Excluding Current Maturities	3173000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:LoanAssumedon50FremontMember (label) * Mortgages [Member]	Long-term Debt, Excluding Current Maturities	195000000	iso4217:USD	-6

Fact Table
Network	2409407 - Disclosure - Debt - Convertible Senior Notes (Detail) (http://salesforce.com/role/DebtConvertibleSeniorNotesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Conversion, Converted Instrument, Shares Issued	7000000	xbrli:shares	-6
2	0001108524 (http://www.sec.gov/CIK)	2013-03-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Face Amount	1150000000	iso4217:USD	INF
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0025	xbrli:pure	INF
4	0001108524 (http://www.sec.gov/CIK)	2013-03-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0025	xbrli:pure	INF
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Extinguishment of Debt, Amount	1000000000	iso4217:USD	-8

Fact Table
Network	2409408 - Disclosure - Debt - Warrants (Detail) (http://salesforce.com/role/DebtWarrantsDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Debt Instrument, Name [Domain] * Long-term Debt, Type [Domain]	crm:NumberofWarrantsThatIncreasedComputationofNetIncomePS (label)	4000000	xbrli:shares	-6
2	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Conversion, Converted Instrument, Warrants or Options Issued	6000000	xbrli:shares	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0025	xbrli:pure	INF
4	0001108524 (http://www.sec.gov/CIK)	2013-03-31	crm:A0.25ConvertibleSeniorNotesMember (label) * Convertible Debt [Member]	Debt Instrument, Interest Rate, Stated Percentage	0.0025	xbrli:pure	INF

Fact Table
Network	2409409 - Disclosure - Debt - Revolving Credit Facility (Details) (http://salesforce.com/role/DebtRevolvingCreditFacilityDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Credit Facility [Domain] * Line of Credit Facility, Lender [Domain]	Long-term Debt, Gross	1720000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Credit Facility [Domain] * Line of Credit Facility, Lender [Domain]	Long-term Debt, Gross	3176000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Revolving Credit Facility [Member] * Line of Credit Facility, Lender [Domain]	Long-term Debt, Gross	0	iso4217:USD	INF
4	0001108524 (http://www.sec.gov/CIK)	2018-04-30	Revolving Credit Facility [Member] * Line of Credit Facility, Lender [Domain]	Line of Credit Facility, Maximum Borrowing Capacity	1000000000.0	iso4217:USD	INF

Fact Table
Network	2409410 - Disclosure - Debt - Schedule of Interest Expense (Detail) (http://salesforce.com/role/DebtScheduleOfInterestExpenseDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Amortization of Debt Discount (Premium)	25000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Amortization of Debt Discount (Premium)	26000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Amortization of Debt Discount (Premium)	4000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Amortization of Debt Issuance Costs	6000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Amortization of Debt Issuance Costs	5000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Amortization of Debt Issuance Costs	16000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Interest Expense, Debt	50000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Interest Expense, Debt	54000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Interest Expense, Debt	126000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Interest Expense, Debt, Excluding Amortization	19000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Interest Expense, Debt, Excluding Amortization	23000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Interest Expense, Debt, Excluding Amortization	106000000	iso4217:USD	-6

Fact Table
Network	2410402 - Disclosure - Income Taxes - Domestic And Foreign Components of Income (Loss) Before Provision (Benefit) For Income Taxes (Details) (http://salesforce.com/role/IncomeTaxesDomesticAndForeignComponentsOfIncomeLossBeforeProvisionBenefitForIncomeTaxesDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Domestic	151000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Domestic	160000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Domestic	839000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Foreign	28000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Foreign	260000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income (Loss) from Continuing Operations before Income Taxes, Foreign	144000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	179000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	420000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	983000000	iso4217:USD	-6

Fact Table
Network	2410403 - Disclosure - Income Taxes - Schedule of Income Taxes Provision (Benefit) (Details) (http://salesforce.com/role/IncomeTaxesScheduleOfIncomeTaxesProvisionBenefitDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Current Federal Tax Expense (Benefit)	0	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Current Federal Tax Expense (Benefit)	-7000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Current Federal Tax Expense (Benefit)	0	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Current Foreign Tax Expense (Benefit)	72000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Current Foreign Tax Expense (Benefit)	85000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Current Foreign Tax Expense (Benefit)	117000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Current Income Tax Expense (Benefit)	77000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Current Income Tax Expense (Benefit)	80000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Current Income Tax Expense (Benefit)	156000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Current State and Local Tax Expense (Benefit)	5000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Current State and Local Tax Expense (Benefit)	2000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Current State and Local Tax Expense (Benefit)	39000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Deferred Federal Income Tax Expense (Benefit)	-183000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Deferred Federal Income Tax Expense (Benefit)	-2000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Deferred Federal Income Tax Expense (Benefit)	-248000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Deferred Foreign Income Tax Expense (Benefit)	-12000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Deferred Foreign Income Tax Expense (Benefit)	-4000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Deferred Foreign Income Tax Expense (Benefit)	2000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Deferred Income Tax Expense (Benefit)	-221000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Deferred Income Tax Expense (Benefit)	-20000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Deferred Income Tax Expense (Benefit)	-283000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Deferred State and Local Income Tax Expense (Benefit)	-26000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Deferred State and Local Income Tax Expense (Benefit)	-14000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Deferred State and Local Income Tax Expense (Benefit)	-37000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income Tax Expense (Benefit)	-144000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income Tax Expense (Benefit)	60000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income Tax Expense (Benefit)	-127000000	iso4217:USD	-6

Fact Table
Network	2410404 - Disclosure - Income Taxes - Additional Information (Detail) (http://salesforce.com/role/IncomeTaxesAdditionalInformationDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	crm:EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits (label)	0.5	xbrli:pure	INF
2	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	crm:TaxCutsandJobsActof2017AdjustmenttoIncomeTaxExpense (label)	43000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense (label)	126000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	crm:TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxBenefit (label)	136000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Decrease in Unrecognized Tax Benefits is Reasonably Possible	3000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Deferred Tax Assets, Valuation Allowance	810000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Deferred Tax Assets, Valuation Allowance	205000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	0.338	xbrli:pure	INF
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	0.21	xbrli:pure	INF
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	229000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	265000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	236000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Income Tax Expense (Benefit)	-144000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Income Tax Expense (Benefit)	60000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Income Tax Expense (Benefit)	-127000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	CALIFORNIA * Business Acquisition, Acquiree [Domain] * State and Local Jurisdiction [Member] * Tax Credit Carryforward, Name [Domain]	Operating Loss Carryforwards	765000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	CALIFORNIA * Business Acquisition, Acquiree [Domain] * State and Local Jurisdiction [Member] * crm:EnterpriseZoneTaxCreditCarryforwardMember (label)	Operating Loss Carryforwards	9000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	CALIFORNIA * Business Acquisition, Acquiree [Domain] * State and Local Jurisdiction [Member] * Research Tax Credit Carryforward [Member]	Operating Loss Carryforwards	281000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * State and Local Jurisdiction [Member] * Tax Credit Carryforward, Name [Domain]	Operating Loss Carryforwards	1000000000	iso4217:USD	-8
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Domestic Tax Authority [Member] * Tax Credit Carryforward, Name [Domain]	Tax Credit Carryforward, Amount	2100000000	iso4217:USD	-8
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Domestic Tax Authority [Member] * Research Tax Credit Carryforward [Member]	Tax Credit Carryforward, Amount	381000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Foreign Tax Authority [Member] * Tax Credit Carryforward, Name [Domain]	Tax Credit Carryforward, Amount	88000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * State and Local Jurisdiction [Member] * Tax Credit Carryforward, Name [Domain]	Tax Credit Carryforward, Amount	41000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * General Business Tax Credit Carryforward [Member]	Tax Credit Carryforward, Amount	1000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits	173000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits	231000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits	304000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits	852000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	16000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	1000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	15000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	7000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	6000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	10000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits, Increase Resulting from Acquisition	548000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits that Would Impact Effective Tax Rate	73000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits that Would Impact Effective Tax Rate	77000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Unrecognized Tax Benefits that Would Impact Effective Tax Rate	631000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-226000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Geographical [Domain] * crm:DemandwareMember (label) * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	210000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-2000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Geographical [Domain] * Business Acquisition, Acquiree [Domain] * Income Tax Authority [Domain] * Tax Credit Carryforward, Name [Domain]	Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	-612000000	iso4217:USD	-6

Fact Table
Network	2410405 - Disclosure - Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details) (http://salesforce.com/role/IncomeTaxesReconciliationOfStatutoryFederalIncomeTaxRateDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Income Tax Expense (Benefit)	-144000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Income Tax Expense (Benefit)	60000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Income Tax Expense (Benefit)	-127000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	-179000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	42000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	-612000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	0	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	126000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	43000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	62000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	-35000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	379000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	63000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	142000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	206000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	48000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	53000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	63000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	0	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	-5000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	-16000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	-95000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	-135000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	-137000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	7000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	-21000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	79000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Effective Income Tax Rate Reconciliation, Tax Credit, Amount	50000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Effective Income Tax Rate Reconciliation, Tax Credit, Amount	107000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Effective Income Tax Rate Reconciliation, Tax Credit, Amount	132000000	iso4217:USD	-6

Fact Table
Network	2410406 - Disclosure - Income Taxes - Significant Components of Deferred Tax Assets And Liabilities (Details) (http://salesforce.com/role/IncomeTaxesSignificantComponentsOfDeferredTaxAssetsAndLiabilitiesDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	crm:DeferredTaxAssetsDeferredIntercompanyTransactions (label)	90000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	crm:DeferredTaxAssetsDeferredIntercompanyTransactions (label)	0	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	crm:DeferredTaxAssetsFinancingObligation (label)	97000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	crm:DeferredTaxAssetsFinancingObligation (label)	102000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	crm:DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments (label)	0	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	crm:DeferredTaxLiabilitiesBasisDifferenceonStrategicandOtherInvestments (label)	56000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Gross	792000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Gross	947000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Gross	1608000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Gross	1256000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Investments	41000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Investments	0	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Net	6000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Net	104000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Net of Valuation Allowance	798000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Net of Valuation Allowance	1051000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Operating Loss Carryforwards	617000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Operating Loss Carryforwards	173000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Other	15000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Other	22000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Tax Credit Carryforwards	497000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Tax Credit Carryforwards	605000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	79000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	145000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	113000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	138000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent	59000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent	71000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Assets, Valuation Allowance	810000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Assets, Valuation Allowance	205000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Deferred Expense	334000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Deferred Expense	347000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Intangible Assets	205000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Intangible Assets	382000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Property, Plant and Equipment	166000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Property, Plant and Equipment	145000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Tax Deferred Income	82000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Tax Deferred Income	17000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Deferred Tax Liabilities, Unrealized Gains on Trading Securities	5000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Deferred Tax Liabilities, Unrealized Gains on Trading Securities	0	iso4217:USD	-6

Fact Table
Network	2410407 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits (Details) (http://salesforce.com/role/IncomeTaxesScheduleOfUnrecognizedTaxBenefitsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect (label)	0	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect (label)	-6000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	crm:UnrecognizedTaxBenefitsCurrencyTranslationEffect (label)	6000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-01-31	null	Unrecognized Tax Benefits	173000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-01-31	null	Unrecognized Tax Benefits	231000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	null	Unrecognized Tax Benefits	304000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Unrecognized Tax Benefits	852000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	1000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	6000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	2000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	16000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	1000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	15000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	58000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	51000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	107000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	18000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	31000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	474000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	1000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	8000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	10000000	iso4217:USD	-6

Fact Table
Network	2411402 - Disclosure - Earnings Per Share - Reconciliation of Denominator Used in Calculation of Basic and Diluted Loss Per Share (Detail) (http://salesforce.com/role/EarningsPerShareReconciliationOfDenominatorUsedInCalculationOfBasicAndDilutedLossPerShareDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	null	Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	0	xbrli:shares	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	1000000	xbrli:shares	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	2000000	xbrli:shares	-6
4	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	null	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	2000000	xbrli:shares	-6
5	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	5000000	xbrli:shares	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	1000000	xbrli:shares	-6
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	null	Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	10000000	xbrli:shares	-6
8	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	14000000	xbrli:shares	-6
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	21000000	xbrli:shares	-6
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	null	Weighted Average Number of Shares Outstanding, Diluted	700000000	xbrli:shares	-6
22	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Weighted Average Number of Shares Outstanding, Diluted	700000000	xbrli:shares	-6
23	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Weighted Average Number of Shares Outstanding, Diluted	735000000	xbrli:shares	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Weighted Average Number of Shares Outstanding, Diluted	775000000	xbrli:shares	-6
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	null	Weighted Average Number of Shares Outstanding, Basic	688000000	xbrli:shares	-6
26	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Weighted Average Number of Shares Outstanding, Basic	688000000	xbrli:shares	-6
27	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Weighted Average Number of Shares Outstanding, Basic	715000000	xbrli:shares	-6
28	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Weighted Average Number of Shares Outstanding, Basic	751000000	xbrli:shares	-6

Fact Table
Network	2411402 - Disclosure - Stockholders' Equity - Additional Information (Detail) (http://salesforce.com/role/StockholdersEquityAdditionalInformationDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Equity Award [Domain] * crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (label) * Relationship to Entity [Domain]	crm:AmountHeldOnBehalfOfEmployeesForFuturePurchases (label)	63000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (label) * Relationship to Entity [Domain]	crm:AmountHeldOnBehalfOfEmployeesForFuturePurchases (label)	76000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Restricted Stock [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	77.85	iso4217:USD/xbrli:shares	2
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	0.001	iso4217:USD/xbrli:shares	3
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Restricted Stock [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	103.33	iso4217:USD/xbrli:shares	2
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationRemainingofFiscalYear (label)	1200000000	iso4217:USD	-8
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFive (label)	8000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearFour (label)	108000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearThree (label)	453000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardAmortizationYearTwo (label)	800000000	iso4217:USD	-8
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Allocated Share-based Compensation Expense	1300000000	iso4217:USD	-8
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	_1207918
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	2500000000	iso4217:USD	-8
14	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * crm:BoardMembersMember (label)	Payments of Stock Issuance Costs	5000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Preferred Stock, Shares Authorized	5000000000	xbrli:shares	INF
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Preferred Stock, Shares Authorized	5000000000	xbrli:shares	INF
17	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Preferred Stock, Shares Outstanding	0	xbrli:shares	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Preferred Stock, Shares Outstanding	0	xbrli:shares	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Preferred Stock, Shares Outstanding	0	xbrli:shares	INF
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Performance Shares [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	_1213106
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Restricted Stock [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	_1213774
22	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0	xbrli:pure	INF
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	55.58	iso4217:USD/xbrli:shares	2
24	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	224000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	373000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	784000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	12770000	xbrli:shares	-3
28	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * crm:BoardMembersMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	62632	xbrli:shares	INF
29	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * crm:BoardMembersMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	57832	xbrli:shares	INF
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * crm:BoardMembersMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period	39350	xbrli:shares	INF
31	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Maximum [Member] * Performance Shares [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	2	xbrli:pure	INF
32	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Minimum [Member] * Performance Shares [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0	xbrli:pure	INF
33	0001108524 (http://www.sec.gov/CIK)	2006-02-01 to 2013-07-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	_1221646
34	0001108524 (http://www.sec.gov/CIK)	2013-08-01 to 2019-01-31	Range [Domain] * Employee Stock Option [Member] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	_1222314
35	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	1231000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term	_1223626
37	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	_1224294
38	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	640000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	953000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Range [Domain] * Equity Award [Domain] * Plan Name [Domain] * Relationship to Entity [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	1100000000	iso4217:USD	-8

Fact Table
Network	2411403 - Disclosure - Earnings Per Share - Shares Excluded from Diluted Earnings or Loss Per Share (Detail) (http://salesforce.com/role/EarningsPerShareSharesExcludedFromDilutedEarningsOrLossPerShareDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Stock Compensation Plan [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11000000	xbrli:shares	-6
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Warrant [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	17000000	xbrli:shares	-6
3	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Stock Compensation Plan [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	7000000	xbrli:shares	-6
4	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Warrant [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	xbrli:shares	-6
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Stock Compensation Plan [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	4000000	xbrli:shares	-6
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Warrant [Member]	Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	xbrli:shares	-6

Fact Table
Network	2411403 - Disclosure - Stockholders' Equity - Fair Value Assumptions (Detail) (http://salesforce.com/role/StockholdersEquityFairValueAssumptionsDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.352	xbrli:pure	INF
2	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.323	xbrli:pure	INF
3	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.276	xbrli:pure	INF
4	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.314	xbrli:pure	INF
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.255	xbrli:pure	INF
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum	0.28	xbrli:pure	INF
7	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.282	xbrli:pure	INF
8	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.314	xbrli:pure	INF
9	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.213	xbrli:pure	INF
10	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.28	xbrli:pure	INF
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.225	xbrli:pure	INF
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum	0.27	xbrli:pure	INF
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.01	xbrli:pure	INF
14	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.016	xbrli:pure	INF
15	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.017	xbrli:pure	INF
16	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.023	xbrli:pure	INF
17	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.026	xbrli:pure	3
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum	0.03	xbrli:pure	3
19	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.005	xbrli:pure	INF
20	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.009	xbrli:pure	INF
21	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.011	xbrli:pure	INF
22	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.014	xbrli:pure	INF
23	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.02	xbrli:pure	3
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum	0.025	xbrli:pure	3
25	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	20.18	iso4217:USD/xbrli:shares	2
26	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	19.13	iso4217:USD/xbrli:shares	2
27	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	23.64	iso4217:USD/xbrli:shares	2
28	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	22.71	iso4217:USD/xbrli:shares	2
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	32.9	iso4217:USD/xbrli:shares	2
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	28.89	iso4217:USD/xbrli:shares	2
31	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1191254
32	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1191850
33	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1192446
34	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1193042
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1193638
36	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Employee Stock Option [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	_1194234

Fact Table
Network	2411404 - Disclosure - Stockholders' Equity - Stock Activity (Detail) (http://salesforce.com/role/StockholdersEquityStockActivityDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	crm:OptionsGrantedDuringPeriod (label)	13846000	xbrli:shares	-3
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Performance Shares [Member] * Plan Name [Domain]	crm:RestrictedStockUnitActivity (label)	1911000	xbrli:shares	-3
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member] * Plan Name [Domain]	crm:RestrictedStockUnitActivity (label)	19937000	xbrli:shares	-3
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:AssumedEquityPlansMember (label)	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant (label)	8357000	xbrli:shares	-3
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	crm:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofAdditionalSharesAuthorizedAvailableforGrant (label)	40000000	xbrli:shares	-3
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	crm:SharesAvailableForGrantCanceledDuringPeriod (label)	1140000	xbrli:shares	-3
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	crm:SharesAvailableForGrantExercised (label)	0	xbrli:shares	-3
8	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	crm:SharesAvailableforGrantExpired (label)	163000	xbrli:shares	-3
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:OptionsForBoardAndAdvisoryBoardMembersMember (label) * Plan Name [Domain]	crm:StockGrantsToBoardMembersForBoardServicesAndAdvisoryBoardMembers (label)	146000	xbrli:shares	-3
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:AssumedEquityPlansMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	0	xbrli:shares	-3
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	0	xbrli:shares	-3
12	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	50313000	xbrli:shares	-3
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	63807000	xbrli:shares	-3
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * crm:AssumedEquityPlansMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	4067000	xbrli:shares	-3
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	63342000	xbrli:shares	-3
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	55.58	iso4217:USD/xbrli:shares	2
17	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	0	xbrli:shares	-3
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	1140000	xbrli:shares	-3
19	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	13846000	xbrli:shares	-3
20	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:OptionsForBoardAndAdvisoryBoardMembersMember (label) * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0	xbrli:shares	-3
21	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Performance Shares [Member] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0	xbrli:shares	-3
22	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0	xbrli:shares	-3
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	2019000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	21735000	xbrli:shares	-3
25	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	25946000	xbrli:shares	-3
26	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	65.96	iso4217:USD/xbrli:shares	2
27	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	74.15	iso4217:USD/xbrli:shares	2
28	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number	12770000	xbrli:shares	-3
29	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	1941000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number	24463000	xbrli:shares	-3
31	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	72.65	iso4217:USD/xbrli:shares	2
32	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	44.4	iso4217:USD/xbrli:shares	2
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
34	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	77.59	iso4217:USD/xbrli:shares	2
35	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	69.04	iso4217:USD/xbrli:shares	2
36	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:OptionsForBoardAndAdvisoryBoardMembersMember (label) * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
37	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Performance Shares [Member] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
38	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member] * Plan Name [Domain]	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
39	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:AssumedEquityPlansMember (label)	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
40	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
41	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	1231000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Equity Award [Domain] * Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	8495000	xbrli:shares	-3

Fact Table
Network	2411405 - Disclosure - Stockholders' Equity - Stock Options Outstanding (Detail) (http://salesforce.com/role/StockholdersEquityStockOptionsOutstandingDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	0.03	iso4217:USD/xbrli:shares	2
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	22.12	iso4217:USD/xbrli:shares	2
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	59.37	iso4217:USD/xbrli:shares	2
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	75.57	iso4217:USD/xbrli:shares	2
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	76.48	iso4217:USD/xbrli:shares	2
6	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	82.55	iso4217:USD/xbrli:shares	2
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit	118.04	iso4217:USD/xbrli:shares	2
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	12770000	xbrli:shares	-3
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	2273000	xbrli:shares	-3
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	5805000	xbrli:shares	-3
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	442000	xbrli:shares	-3
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	1627000	xbrli:shares	-3
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	2391000	xbrli:shares	-3
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	232000	xbrli:shares	-3
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options	0	xbrli:shares	-3
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	25946000	xbrli:shares	-3
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	3664000	xbrli:shares	-3
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	6119000	xbrli:shares	-3
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	995000	xbrli:shares	-3
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	3920000	xbrli:shares	-3
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	3634000	xbrli:shares	-3
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	954000	xbrli:shares	-3
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options	6660000	xbrli:shares	-3
24	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	21.54	iso4217:USD/xbrli:shares	2
25	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	59.34	iso4217:USD/xbrli:shares	2
26	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	75.01	iso4217:USD/xbrli:shares	2
27	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	75.57	iso4217:USD/xbrli:shares	2
28	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	82.08	iso4217:USD/xbrli:shares	2
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	113.0	iso4217:USD/xbrli:shares	2
30	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit	155.52	iso4217:USD/xbrli:shares	2
31	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	55.58	iso4217:USD/xbrli:shares	2
32	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	9.77	iso4217:USD/xbrli:shares	2
33	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	54.77	iso4217:USD/xbrli:shares	2
34	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	70.65	iso4217:USD/xbrli:shares	2
35	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	75.57	iso4217:USD/xbrli:shares	2
36	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	80.86	iso4217:USD/xbrli:shares	2
37	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	95.36	iso4217:USD/xbrli:shares	2
38	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price	0.0	iso4217:USD/xbrli:shares	2
39	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	74.15	iso4217:USD/xbrli:shares	2
40	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	11.91	iso4217:USD/xbrli:shares	2
41	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	53.6	iso4217:USD/xbrli:shares	2
42	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	68.37	iso4217:USD/xbrli:shares	2
43	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	75.57	iso4217:USD/xbrli:shares	2
44	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	80.85	iso4217:USD/xbrli:shares	2
45	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	98.03	iso4217:USD/xbrli:shares	2
46	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price	120.23	iso4217:USD/xbrli:shares	2
47	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1140974
48	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range1Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1141570
49	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range2Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1142166
50	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range3Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1142762
51	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range4Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1143358
52	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range5Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1143954
53	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range6Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1144550
54	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:Range7Member (label)	Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term	_1145146

Fact Table
Network	2411406 - Disclosure - Stockholders' Equity - Schedule of Restricted Stock Activity (Detail) (http://salesforce.com/role/StockholdersEquityScheduleOfRestrictedStockActivityDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestAggregateIntrinsicValue (label)	2810000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOutstandingNumber (label)	18491000	xbrli:shares	-3
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageExercisePrice (label)	91.35	iso4217:USD/xbrli:shares	2
4	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Performance Shares [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice (label)	112.48	iso4217:USD/xbrli:shares	2
5	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice (label)	122.47	iso4217:USD/xbrli:shares	2
6	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	77.85	iso4217:USD/xbrli:shares	2
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	0.001	iso4217:USD/xbrli:shares	3
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice (label)	103.33	iso4217:USD/xbrli:shares	2
9	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	crm:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice (label)	77.63	iso4217:USD/xbrli:shares	2
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	1990000	xbrli:shares	-3
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Performance Shares [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	541000	xbrli:shares	-3
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	12221000	xbrli:shares	-3
13	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	19018000	xbrli:shares	-3
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Equity Award [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	21159000	xbrli:shares	-3
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	21159000	xbrli:shares	-3
16	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	8631000	xbrli:shares	-3
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Restricted Stock [Member]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding	3215000000	iso4217:USD	-6

Fact Table
Network	2411407 - Disclosure - Stockholders' Equity - Shares of Common Stock Available for Future Issuance under Stock Option Plans (Detail) (http://salesforce.com/role/StockholdersEquitySharesOfCommonStockAvailableForFutureIssuanceUnderStockOptionPlansDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Plan Name [Domain]	Common Stock, Capital Shares Reserved for Future Issuance	114979000	xbrli:shares	-3
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	21159000	xbrli:shares	-3
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	50313000	xbrli:shares	-3
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	63807000	xbrli:shares	-3
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:AssumedEquityPlansMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	4067000	xbrli:shares	-3
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:StockAvailableForFutureGrantUnder2004EmployeeStockPurchasePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	113000	xbrli:shares	-3
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:TwoThousandAndFourteenInducementEquityIncentivePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	352000	xbrli:shares	-3
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:TwoThousandAndThirteenEquityIncentivePlanMember (label)	Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	63342000	xbrli:shares	-3
9	0001108524 (http://www.sec.gov/CIK)	2018-01-31	Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	21735000	xbrli:shares	-3
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Plan Name [Domain]	Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	25946000	xbrli:shares	-3

Fact Table
Network	2412402 - Disclosure - Commitments - Additional Information (Detail) (http://salesforce.com/role/CommitmentsAdditionalInformationDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * crm:FacilitiesSpaceMember (label)	crm:CommitmentsContractuallyCommittedToUnderOperatingLeases (label)	3500000000	iso4217:USD	-8
2	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	crm:PaymentsforContractualCommitments (label)	156000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Future Minimum Sublease Rentals, Sale Leaseback Transactions, Thereafter	79000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Future Minimum Sublease Rentals, Sale Leaseback Transactions, within Four Years	146000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:OfficeSpaceinSanFranciscoCAMember (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Lessee, Operating Lease, Term of Contract	_1085074
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:WorkLocationExpectedinFiscal2022Member (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Lessee, Operating Lease, Term of Contract	_1085706
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Letter of Credit [Member] * Other Commitments [Domain]	Letters of Credit Outstanding, Amount	92000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:OfficeSpaceinSanFranciscoCAMember (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Net Rentable Area	324000	utreg:sqft	-3
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:WorkLocationExpectedinFiscal2022Member (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Net Rentable Area	603000	utreg:sqft	-3
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Future Minimum Payments Due	4195000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:OfficeSpaceinSanFranciscoCAMember (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Future Minimum Payments Due	480000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	crm:WorkLocationExpectedinFiscal2022Member (label) * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Future Minimum Payments Due	475000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Rent Expense, Net	226000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Rent Expense, Net	285000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Operating Leases, Rent Expense, Net	365000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Other Commitment	279000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * crm:FinancingObligationLeasedFacilityMember (label)	Other Commitment	215000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Purchase Commitment, Remaining Minimum Amount Committed	1800000000	iso4217:USD	-8
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Purchase Obligation	2000000000	iso4217:USD	-8
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Lease Arrangement, Type [Domain] * Long-term Debt, Type [Domain] * Other Commitments [Domain]	Purchase Obligation, Future Minimum Payments, Remainder of Fiscal Year	264000000	iso4217:USD	-6

Fact Table
Network	2412403 - Disclosure - Commitments - Schedule of Future Minimum Lease Payments under Non-Cancelable Operating and Capital Leases (Detail) (http://salesforce.com/role/CommitmentsScheduleOfFutureMinimumLeasePaymentsUnderNonCancelableOperatingAndCapitalLeasesDetail)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due	200000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due in Five Years	0	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due in Four Years	0	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due in Three Years	0	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due in Two Years	0	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments Due Thereafter	0	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments, Interest Included in Payments	9000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	191000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Capital Leases, Future Minimum Payments, Remainder of Fiscal Year	200000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments Due	4195000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Due in Five Years	314000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Due in Four Years	369000000	iso4217:USD	-6
13	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Due in Three Years	466000000	iso4217:USD	-6
14	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Due in Two Years	658000000	iso4217:USD	-6
15	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Due Thereafter	1610000000	iso4217:USD	-6
16	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Operating Leases, Future Minimum Payments, Remainder of Fiscal Year	778000000	iso4217:USD	-6
17	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment	279000000	iso4217:USD	-6
18	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment, Due after Fifth Year	163000000	iso4217:USD	-6
19	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment, Due in Fifth Year	24000000	iso4217:USD	-6
20	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment, Due in Fourth Year	24000000	iso4217:USD	-6
21	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment, Due in Second Year	23000000	iso4217:USD	-6
22	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitment, Due in Third Year	23000000	iso4217:USD	-6
23	0001108524 (http://www.sec.gov/CIK)	2019-01-31	null	Other Commitments, Future Minimum Payments, Remainder of Fiscal Year	22000000	iso4217:USD	-6

Fact Table
Network	2413401 - Disclosure - Employee Benefit Plans (Details) (http://salesforce.com/role/EmployeeBenefitPlansDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Deferred Compensation Arrangement with Individual, Contributions by Employer	56000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Deferred Compensation Arrangement with Individual, Contributions by Employer	93000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Deferred Compensation Arrangement with Individual, Contributions by Employer	106000000	iso4217:USD	-6

Fact Table
Network	2414401 - Disclosure - Legal Proceedings and Claims (Details) (http://salesforce.com/role/LegalProceedingsAndClaimsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value		Unit	Rounding	Parenthetical Explanations
1	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	crm:ShareholderDerivativeLawsuitsMember (label)	Loss Contingency, New Claims Filed, Number	3		crm:claim	INF

Fact Table
Network	2415401 - Disclosure - Related-Party Transactions (Details) (http://salesforce.com/role/RelatedPartyTransactionsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Affiliated Entity [Member]	crm:FairValueOfDonatedSubscriptionsToRelatedParties (label)	112000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Affiliated Entity [Member]	crm:FairValueOfDonatedSubscriptionsToRelatedParties (label)	183000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Affiliated Entity [Member]	crm:FairValueOfDonatedSubscriptionsToRelatedParties (label)	253000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberCompanysBoardMembersthatHoldBoardSeatsinNonProfit (label)	1	crm:board_member	INF
5	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberofBoardSeatsinFoundation (label)	3	crm:board_seat	INF
6	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberofBoardSeatsinNonProfit (label)	9	crm:board_seat	INF
7	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberofBoardSeatsinNonProfitHeldbyCompanysEmployeesandChairman (label)	3	crm:board_seat	INF
8	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberofCompanysBoardMembersthatHoldBoardSeatsinFoundation (label)	1	crm:board_seat	INF
9	0001108524 (http://www.sec.gov/CIK)	2019-01-31	Affiliated Entity [Member]	crm:NumberofCompanysEmployeesthatHoldBoardSeatsinNonProfit (label)	1	crm:employee	INF
10	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2016-04-30	Affiliated Entity [Member]	crm:ValueOfResourcesDonatedToRelatedParties (label)	3000000	iso4217:USD	-6
11	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	Affiliated Entity [Member]	crm:ValueOfResourcesDonatedToRelatedParties (label)	11000000	iso4217:USD	-6
12	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	Affiliated Entity [Member]	crm:ValueOfResourcesDonatedToRelatedParties (label)	15000000	iso4217:USD	-6

Fact Table
Network	2416402 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details) (http://salesforce.com/role/SelectedQuarterlyFinancialDataUnauditedDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
2	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Earnings Per Share, Basic	0.0	iso4217:USD/xbrli:shares	2
3	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Earnings Per Share, Basic	0.06	iso4217:USD/xbrli:shares	2
4	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Earnings Per Share, Basic	0.15	iso4217:USD/xbrli:shares	2
5	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Earnings Per Share, Basic	0.28	iso4217:USD/xbrli:shares	2
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Earnings Per Share, Basic	0.5	iso4217:USD/xbrli:shares	2
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
8	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Earnings Per Share, Basic	0.4	iso4217:USD/xbrli:shares	2
9	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Earnings Per Share, Basic	0.14	iso4217:USD/xbrli:shares	2
10	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Earnings Per Share, Basic	0.47	iso4217:USD/xbrli:shares	2
11	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Earnings Per Share, Basic	1.48	iso4217:USD/xbrli:shares	2
12	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
13	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Earnings Per Share, Diluted	0.0	iso4217:USD/xbrli:shares	2
14	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Earnings Per Share, Diluted	0.06	iso4217:USD/xbrli:shares	2
15	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Earnings Per Share, Diluted	0.14	iso4217:USD/xbrli:shares	2
16	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Earnings Per Share, Diluted	0.28	iso4217:USD/xbrli:shares	2
17	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Earnings Per Share, Diluted	0.49	iso4217:USD/xbrli:shares	2
18	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
19	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Earnings Per Share, Diluted	0.39	iso4217:USD/xbrli:shares	2
20	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Earnings Per Share, Diluted	0.13	iso4217:USD/xbrli:shares	2
21	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Earnings Per Share, Diluted	0.46	iso4217:USD/xbrli:shares	2
22	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Earnings Per Share, Diluted	1.43	iso4217:USD/xbrli:shares	2
23	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Gross Profit	6203000000	iso4217:USD	-6
24	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Gross Profit	1746000000	iso4217:USD	-6
25	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Gross Profit	1907000000	iso4217:USD	-6
26	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Gross Profit	1987000000	iso4217:USD	-6
27	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Gross Profit	2127000000	iso4217:USD	-6
28	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Gross Profit	7767000000	iso4217:USD	-6
29	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Gross Profit	2239000000	iso4217:USD	-6
30	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Gross Profit	2432000000	iso4217:USD	-6
31	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Gross Profit	2503000000	iso4217:USD	-6
32	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Gross Profit	2657000000	iso4217:USD	-6
33	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Gross Profit	9831000000	iso4217:USD	-6
34	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Net Income (Loss) Attributable to Parent	323000000	iso4217:USD	-6
35	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Net Income (Loss) Attributable to Parent	1000000	iso4217:USD	-6
36	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Net Income (Loss) Attributable to Parent	46000000	iso4217:USD	-6
37	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Net Income (Loss) Attributable to Parent	107000000	iso4217:USD	-6
38	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	206000000	iso4217:USD	-6
39	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Net Income (Loss) Attributable to Parent	360000000	iso4217:USD	-6
40	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Net Income (Loss) Attributable to Parent	344000000	iso4217:USD	-6
41	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Net Income (Loss) Attributable to Parent	299000000	iso4217:USD	-6
42	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Net Income (Loss) Attributable to Parent	105000000	iso4217:USD	-6
43	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	362000000	iso4217:USD	-6
44	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Net Income (Loss) Attributable to Parent	1110000000	iso4217:USD	-6
45	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Operating Income (Loss)	218000000	iso4217:USD	-6
46	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Operating Income (Loss)	4000000	iso4217:USD	-6
47	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Operating Income (Loss)	84000000	iso4217:USD	-6
48	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Operating Income (Loss)	155000000	iso4217:USD	-6
49	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Operating Income (Loss)	211000000	iso4217:USD	-6
50	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Operating Income (Loss)	454000000	iso4217:USD	-6
51	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Operating Income (Loss)	191000000	iso4217:USD	-6
52	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Operating Income (Loss)	115000000	iso4217:USD	-6
53	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Operating Income (Loss)	92000000	iso4217:USD	-6
54	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Operating Income (Loss)	137000000	iso4217:USD	-6
55	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Operating Income (Loss)	535000000	iso4217:USD	-6
56	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	8437000000	iso4217:USD	-6
57	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2017-04-30	null	Revenue from Contract with Customer, Excluding Assessed Tax	2397000000	iso4217:USD	-6
58	0001108524 (http://www.sec.gov/CIK)	2017-05-01 to 2017-07-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	2577000000	iso4217:USD	-6
59	0001108524 (http://www.sec.gov/CIK)	2017-08-01 to 2017-10-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	2701000000	iso4217:USD	-6
60	0001108524 (http://www.sec.gov/CIK)	2017-11-01 to 2018-01-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	2865000000	iso4217:USD	-6
61	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	10540000000	iso4217:USD	-6
62	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2018-04-30	null	Revenue from Contract with Customer, Excluding Assessed Tax	3006000000	iso4217:USD	-6
63	0001108524 (http://www.sec.gov/CIK)	2018-05-01 to 2018-07-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	3281000000	iso4217:USD	-6
64	0001108524 (http://www.sec.gov/CIK)	2018-08-01 to 2018-10-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	3392000000	iso4217:USD	-6
65	0001108524 (http://www.sec.gov/CIK)	2018-11-01 to 2019-01-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	3603000000	iso4217:USD	-6
66	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	null	Revenue from Contract with Customer, Excluding Assessed Tax	13282000000	iso4217:USD	-6

Fact Table
Network	2417401 - Schedule - Schedule II Valuation and Qualifying Accounts (Details) (http://salesforce.com/role/ScheduleIiValuationAndQualifyingAccountsDetails)
Table	(implied)

#	Reporting Entity [Axis]	Period [Axis]	Scenario [Axis]	Concept	Fact Value	Unit	Rounding
1	0001108524 (http://www.sec.gov/CIK)	2016-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	10000000	iso4217:USD	-6
2	0001108524 (http://www.sec.gov/CIK)	2017-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	12000000	iso4217:USD	-6
3	0001108524 (http://www.sec.gov/CIK)	2018-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	21000000	iso4217:USD	-6
4	0001108524 (http://www.sec.gov/CIK)	2019-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount	22000000	iso4217:USD	-6
5	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	16000000	iso4217:USD	-6
6	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	22000000	iso4217:USD	-6
7	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	18000000	iso4217:USD	-6
8	0001108524 (http://www.sec.gov/CIK)	2016-02-01 to 2017-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired	18000000	iso4217:USD	-6
9	0001108524 (http://www.sec.gov/CIK)	2017-02-01 to 2018-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired	31000000	iso4217:USD	-6
10	0001108524 (http://www.sec.gov/CIK)	2018-02-01 to 2019-01-31	SEC Schedule, 12-09, Allowance, Credit Loss [Member]	SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired	19000000	iso4217:USD	-6

Rules

Type	Defined	Bound	OK
formula	0	0	0
existenceAssertion	0	0	0
valueAssertion	0	0	0
calculation	191	919	919

Rule Details

Errors and Warnings

Other than rule related

NONE.

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