AGRIUM INC (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	000010 - Document - Document and Entity Information	Network	*	*	http://www.agrium.com/role/DocumentAndEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document And Entity Information [abstract]	Abstract			agu:DocumentAndEntityInformationAbstract
4	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
5	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
6	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
7	Amendment Description	Concept (Text/String)	For Period		dei:AmendmentDescription
8	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
9	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
10	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
11	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
12	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
13	Entity Voluntary Filers	Concept (Yes/No)	For Period		dei:EntityVoluntaryFilers
14	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
15	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
16	Entity Well Known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
17	Entity Public Float	Concept (Monetary)	As Of	Credit	dei:EntityPublicFloat
18	Entity Common Stock Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
19	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
20	000100 - Statement - Consolidated Statements of Operations	Network	*	*	http://www.agrium.com/role/ConsolidatedStatementsOfOperations
21	Implied Table	Table	*	*	implied:Table
22	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
23	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
24	Cost of product sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
25	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
26	Expenses [abstract]	Abstract			agu:Expensesabstract
27	Selling	Concept (Monetary)	For Period	Debit	agu:SellingExpense
28	General and administrative	Concept (Monetary)	For Period	Debit	ifrs-full:AdministrativeExpense
29	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
30	Earnings from associates and joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
31	Other expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByFunction
32	Earnings before finance costs and income taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
33	Finance costs related to long-term debt	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
34	Other finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
35	Earnings before income taxes	Concept (Monetary)	For Period	Credit	ifrs-full:AccountingProfit
36	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
37	Net earnings from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
38	Net earnings (loss) from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
39	Net earnings	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
40	Profit (loss), attributable to [abstract]	Abstract			ifrs-full:ProfitLossAttributableToAbstract
41	Equity holders of Agrium	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
42	Non-controlling interest	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
43	Net earnings	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
44	Earnings per share attributable to equity holders of Agrium [abstract]	Abstract			ifrs-full:EarningsPerShareAbstract
45	Basic and diluted earnings per share from continuing operations	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShareFromContinuingOperations
46	Basic and diluted (loss) earnings per share from discontinued operations	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShareFromDiscontinuedOperations
47	Basic and diluted earnings per share	Concept (Share)	For Period		ifrs-full:BasicAndDilutedEarningsLossPerShare
48	Basic earnings per share from continuing	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
49	Basic (loss) earnings per share from discontinued	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
50	Basic earnings per share	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
51	Diluted earnings per share from continuing	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
52	Diluted earnings (loss) per share from discontinued	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
53	Diluted earnings per share	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
54	Weighted average number of shares outstanding for basic and diluted earnings per share (millions of common shares)	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
55	Basis of preparation and statement of compliance	Concept (Text/String)	For Period		agu:TheDescriptionOfTheBasisOfPreparationOfFinancialInformation
56	Restatement	Concept (Text/String)	For Period		agu:DescriptionOfRemeasurementOfFinancialInformationDueToDiscontinuedOperations
57	000200 - Statement - Consolidated Statements of Comprehensive Income	Network	*	*	http://www.agrium.com/role/ConsolidatedStatementsOfComprehensiveIncome
58	Implied Table	Table	*	*	implied:Table
59	Statement of comprehensive income [abstract]	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
60	Net earnings	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
61	Other comprehensive income [abstract]	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
62	Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
63	Cash flow hedges [abstract]	Abstract			ifrs-full:CashFlowHedgesAbstract
64	Effective portion of changes in fair value	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
65	Deferred income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
66	Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]	Abstract			ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethodAbstract
67	Share of comprehensive loss	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossBeforeTax
68	Deferred income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss
69	Exchange differences on translation [abstract]	Abstract			ifrs-full:ExchangeDifferencesOnTranslationAbstract
70	Gains (losses)	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
71	Reclassifications to earnings	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax
72	Subtotal	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
73	Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract
74	Actuarial (losses) gains	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
75	Deferred income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
76	Subtotal	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
77	Other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
78	Comprehensive income (loss), net of tax	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
79	Comprehensive income attributable to [abstract]	Abstract			ifrs-full:ComprehensiveIncomeAttributableToAbstract
80	Equity holders of Agrium	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
81	Non-controlling interest	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
82	Comprehensive income (loss), net of tax	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
83	000300 - Statement - Consolidated Balance Sheets	Network	*	*	http://www.agrium.com/role/ConsolidatedBalanceSheets
84	Implied Table	Table	*	*	implied:Table
85	Statement of financial position [abstract]	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
86	Assets [abstract]	Abstract			ifrs-full:AssetsAbstract
87	Current assets [abstract]	Abstract			ifrs-full:CurrentAssetsAbstract
88	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
89	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
90	Income taxes receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
91	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
92	Prepaid expenses and deposits	Concept (Monetary)	As Of	Debit	agu:CurrentPrepaidExpensesAndDeposits
93	Other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentAssets
94	Assets held for sale	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
95	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
96	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
97	Intangibles	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
98	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
99	Investments in associates and joint ventures	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
100	Other assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherAssets
101	Deferred income tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
102	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
103	Equity and liabilities [abstract]	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
104	Current liabilities [abstract]	Abstract			ifrs-full:CurrentLiabilitiesAbstract
105	Short-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermBorrowings
106	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
107	Income taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilitiesCurrent
108	Current portion of long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentPortionOfLongtermBorrowings
109	Current portion of other provisions	Concept (Monetary)	As Of	Credit	ifrs-full:OtherShorttermProvisions
110	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
111	Long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
112	Post-employment benefits	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisionsForEmployeeBenefits
113	Other provisions	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLongtermProvisions
114	Other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLiabilities
115	Deferred income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
116	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
117	Equity [abstract]	Abstract			ifrs-full:EquityAbstract
118	Share capital	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
119	Retained earnings	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
120	Accumulated other comprehensive loss	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
121	Equity holders of Agrium	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
122	Non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
123	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
124	Total	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
125	000400 - Statement - Consolidated Statements of Cash Flows	Network	*	*	http://www.agrium.com/role/ConsolidatedStatementsOfCashFlows
126	Implied Table	Table	*	*	implied:Table
127	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
128	Cash flows from (used in) operating activities [abstract]	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
129	Net earnings from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
130	Adjustments to reconcile profit (loss) [abstract]	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
131	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
132	Earnings from associates and joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
133	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForSharebasedPayments
134	Unrealized (gain) loss on derivative financial instruments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFairValueGainsLosses
135	Unrealized foreign exchange loss (gain)	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
136	Interest income	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForInterestIncome
137	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFinanceCosts
138	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncomeTaxExpense
139	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherAdjustmentsToReconcileProfitLoss
140	Interest received	Concept (Monetary)	For Period	Debit	ifrs-full:InterestReceivedClassifiedAsOperatingActivities
141	Interest paid	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsOperatingActivities
142	Income taxes received (paid)	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
143	Dividends from associates and joint ventures	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
144	Net changes in non-cash working capital	Concept (Monetary)	For Period	Debit	agu:NetChangesForNoncashWorkingCapitalOperatingActivities
145	Cash provided by operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
146	Cash flows from (used in) investing activities [abstract]	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
147	Business acquisitions, net of cash acquired	Concept (Monetary)	For Period	Credit	ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
148	Capital expenditures	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
149	Capitalized borrowing costs	Concept (Monetary)	For Period		ifrs-full:BorrowingCostsCapitalised
150	Purchase of investments	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
151	Proceeds from sale of investments	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
152	Proceeds from sale of property, plant and equipment	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
153	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
154	Net changes in non-cash working capital	Concept (Monetary)	For Period	Debit	agu:NetChangesForNonCashWorkingCapitalInvestingActivities
155	Cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
156	Cash flows from (used in) financing activities [abstract]	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
157	Short-term debt	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfCurrentBorrowings
158	Long-term debt issued	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
159	Transaction costs on long-term debt	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForDebtIssueCosts
160	Repayment of long-term debt	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfNoncurrentBorrowings
161	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
162	Shares issued	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromIssuingShares
163	Shares repurchased	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
164	Cash used in financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
165	Effect of exchange rate changes on cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
166	(Decrease) increase in cash and cash equivalents from continuing operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
167	Cash and cash equivalents (used in) provided by discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations
168	Cash and cash equivalents - beginning of period	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
169	Cash and cash equivalents - end of period	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
170	000500 - Statement - Consolidated Statement of Stockholders' Equity	Network	*	*	http://www.agrium.com/role/ConsolidatedStatementOfStockholdersEquity
171	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
172	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
173	Equity [member]	Member			ifrs-full:EquityMember
174	Equity attributable to owners of parent [member]	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
175	Share capital [member]	Member			ifrs-full:IssuedCapitalMember
176	Retained earnings [member]	Member			ifrs-full:RetainedEarningsMember
177	Cash flow hedges [member]	Member			ifrs-full:ReserveOfCashFlowHedgesMember
178	Comprehnsive loss [member]	Member			ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
179	Foreign currency translation [member]	Member			ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
180	Total other comprehensive income [member]	Member			ifrs-full:AccumulatedOtherComprehensiveIncomeMember
181	Non-controlling interests [member]	Member			ifrs-full:NoncontrollingInterestsMember
182	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
183	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
184	Joint ventures [member]	Member			ifrs-full:JointVenturesMember
185	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
186	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
187	Associates [member]	Member			ifrs-full:AssociatesMember
188	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
189	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
190	Common shares [member]	Member			ifrs-full:OrdinarySharesMember
191	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
192	Begininng balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
193	Beginning balance, shares	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
194	Net earnings	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
195	Other comprehensive income [abstract]	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
196	Post-employment benefits	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
197	Other	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
198	Comprehensive income (loss), net of tax	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
199	Dividends	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
200	Non-controlling interest transactions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners
201	Shares repurchased	Concept (Monetary)	For Period	Debit	ifrs-full:PurchaseOfTreasuryShares
202	Shares repurchased, shares	Concept (Shares)	For Period		ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
203	Share-based payment transactions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
204	Reclassification of cash flow hedges, net of tax	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
205	Ending Balance	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
206	Ending balance, shares	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
207	000600 - Statement - Consolidated Statement of Stockholders' Equity (Parenthetical)	Network	*	*	http://www.agrium.com/role/ConsolidatedStatementOfStockholdersEquityParenthetical
208	Implied Table	Table	*	*	implied:Table
209	Statement of changes in equity [abstract]	Abstract			ifrs-full:StatementOfChangesInEquityAbstract
210	Dividends, per share	Concept (Share)	For Period		ifrs-full:DividendsPaidOrdinarySharesPerShare
211	010101 - Disclosure - CORPORATE INFORMATION	Network	*	*	http://www.agrium.com/role/CORPORATEINFORMATION
212	Implied Table	Table	*	*	implied:Table
213	Disclosure of transactions between related parties [abstract]	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
214	CORPORATE MANAGEMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
215	010201 - Disclosure - OPERATING SEGMENT	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENT
216	Implied Table	Table	*	*	implied:Table
217	Disclosure of operating segments [abstract]	Abstract			ifrs-full:DisclosureOfOperatingSegmentsAbstract
218	OPERATING SEGMENTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
219	010301 - Disclosure - CAPITAL MANAGEMENT	Network	*	*	http://www.agrium.com/role/CAPITALMANAGEMENT
220	Implied Table	Table	*	*	implied:Table
221	Disclosure of significant accounting policies [abstract]	Abstract			agu:DisclosureOfSignificantAccountingPoliciesAbstract
222	CAPITAL MANAGEMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory
223	010401 - Disclosure - FINANCIAL RISK MANAGEMENT	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENT
224	Implied Table	Table	*	*	implied:Table
225	Disclosure of detailed information about financial instruments [abstract]	Abstract			ifrs-full:DisclosureOfFinancialInstrumentsAbstract
226	FINANCIAL RISK MANAGEMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
227	010501 - Disclosure - EXPENSES	Network	*	*	http://www.agrium.com/role/EXPENSES
228	Implied Table	Table	*	*	implied:Table
229	Expenses by nature [abstract]	Abstract			ifrs-full:ExpenseByNatureAbstract
230	EXPENSES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesExplanatory
231	010601 - Disclosure - FINANCE COSTS	Network	*	*	http://www.agrium.com/role/FINANCECOSTS
232	Implied Table	Table	*	*	implied:Table
233	Borrowing costs [abstract]	Abstract			ifrs-full:BorrowingCostsAbstract
234	FINANCE COSTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceCostExplanatory
235	010701 - Disclosure - INCOME TAXES	Network	*	*	http://www.agrium.com/role/INCOMETAXES
236	Implied Table	Table	*	*	implied:Table
237	Major components of tax expense (income) [abstract]	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
238	INCOME TAXES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
239	010801 - Disclosure - POST-EMPLOYMENT BENEFITS	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITS
240	Implied Table	Table	*	*	implied:Table
241	Disclosure of defined benefit plans [abstract]	Abstract			ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
242	POST-EMPLOYMENT BENEFITS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
243	010901 - Disclosure - SHARE-BASED PAYMENTS	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTS
244	Implied Table	Table	*	*	implied:Table
245	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
246	SHARE-BASED PAYMENTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
247	011001 - Disclosure - CASH FLOW INFORMATION	Network	*	*	http://www.agrium.com/role/CASHFLOWINFORMATION
248	Implied Table	Table	*	*	implied:Table
249	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
250	CASH FLOW INFORMATION	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashFlowStatementExplanatory
251	011101 - Disclosure - ACCOUNTS RECEIVABLE	Network	*	*	http://www.agrium.com/role/ACCOUNTSRECEIVABLE
252	Implied Table	Table	*	*	implied:Table
253	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
254	ACCOUNTS RECEIVABLE	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
255	011201 - Disclosure - INVENTORIES	Network	*	*	http://www.agrium.com/role/INVENTORIES
256	Implied Table	Table	*	*	implied:Table
257	Classes of current inventories [abstract]	Abstract			ifrs-full:ClassesOfInventoriesAbstract
258	INVENTORIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
259	011301 - Disclosure - PROPERTY, PLANT AND EQUIPMENT	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENT
260	Implied Table	Table	*	*	implied:Table
261	Disclosure of detailed information about property, plant and equipment [abstract]	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
262	PROPERTY, PLANT AND EQUIPMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
263	011401 - Disclosure - INTANGIBLES AND GOODWILL	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILL
264	Implied Table	Table	*	*	implied:Table
265	Intangible assets and goodwill [abstract]	Abstract			ifrs-full:IntangibleAssetsAndGoodwillAbstract
266	INTANGIBLES AND GOODWILL	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
267	011501 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES	Network	*	*	http://www.agrium.com/role/INVESTMENTSINASSOCIATESANDJOINTVENTURES
268	Implied Table	Table	*	*	implied:Table
269	Investments In Subsidiaries Joint Ventures And Associates [Abstract]	Abstract			ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract
270	Disclosure of interests in other entities [text block]	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory
271	011601 - Disclosure - OTHER ASSETS	Network	*	*	http://www.agrium.com/role/OTHERASSETS
272	Implied Table	Table	*	*	implied:Table
273	Miscellaneous assets [abstract]	Abstract			ifrs-full:MiscellaneousAssetsAbstract
274	Disclosure Of Other Assets Explanatory	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherAssetsExplanatory
275	011701 - Disclosure - DEBT	Network	*	*	http://www.agrium.com/role/DEBT
276	Implied Table	Table	*	*	implied:Table
277	Borrowings [abstract]	Abstract			ifrs-full:BorrowingsAbstract
278	Disclosure of debt instruments [text block]	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDebtSecuritiesExplanatory
279	011801 - Disclosure - ACCOUNTS PAYABLE	Network	*	*	http://www.agrium.com/role/ACCOUNTSPAYABLE
280	Implied Table	Table	*	*	implied:Table
281	Accounts Payable [Abstract]	Abstract			ifrs-full:TradeAndOtherCurrentPayablesAbstract
282	Disclosure of accounts payable	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
283	011901 - Disclosure - OTHER PROVISIONS	Network	*	*	http://www.agrium.com/role/OTHERPROVISIONS
284	Implied Table	Table	*	*	implied:Table
285	Other Provisions [Abstract]	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
286	Disclosure of other provisions, contingent assets and liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory
287	012001 - Disclosure - OTHER LIABILITIES	Network	*	*	http://www.agrium.com/role/OTHERLIABILITIES
288	Implied Table	Table	*	*	implied:Table
289	Miscellaneous liabilities [abstract]	Abstract			ifrs-full:MiscellaneousLiabilitiesAbstract
290	Disclosure Of Other Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
291	012002 - Disclosure - DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE	Network	*	*	http://www.agrium.com/role/DISCONTINUEDOPERATIONSANDASSETSHELDFORSALE
292	Implied Table	Table	*	*	implied:Table
293	Disclosure Of Noncurrent Assets Held For Sale And Discontinued Operations [abstract]	Abstract			agu:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsAbstract
294	Disclosure Of Noncurrent Assets Held For Sale And Discontinued Operations	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory
295	012101 - Disclosure - BUSINESS ACQUISITIONS	Network	*	*	http://www.agrium.com/role/BUSINESSACQUISITIONS
296	Implied Table	Table	*	*	implied:Table
297	Disclosure Of Business Combinations [Abstract]	Abstract			ifrs-full:DisclosureOfBusinessCombinationsAbstract
298	Disclosure Of Business Combinations Explanatory	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBusinessCombinationsExplanatory
299	012201 - Disclosure - COMMITMENTS	Network	*	*	http://www.agrium.com/role/COMMITMENTS
300	Implied Table	Table	*	*	implied:Table
301	Disclosure Of Commitments [Abstract]	Abstract			agu:DisclosureOfCommitmentsAbstract
302	Commitments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsExplanatory
303	012301 - Disclosure - CONTINGENT LIABILITIES	Network	*	*	http://www.agrium.com/role/CONTINGENTLIABILITIES
304	Implied Table	Table	*	*	implied:Table
305	Disclosure of contingent liabilities [abstract]	Abstract			ifrs-full:DisclosureOfContingentLiabilitiesAbstract
306	Disclosure of contingent liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
307	012401 - Disclosure - ACCOUNTING POLICIES, JUDGMENTS, ASSUMPTIONS AND ESTIMATES	Network	*	*	http://www.agrium.com/role/ACCOUNTINGPOLICIESJUDGMENTSASSUMPTIONSANDESTIMATES
308	Implied Table	Table	*	*	implied:Table
309	Disclosure of significant accounting policies [abstract]	Abstract			agu:DisclosureOfSignificantAccountingPoliciesAbstract
310	ACCOUNTING POLICIES, JUDGMENTS, ASSUMPTIONS AND ESTIMATES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
311	022401 - Disclosure - ACCOUNTING POLICIES, JUDGMENTS, ASSUMPTIONS AND ESTIMATES - (Policies)	Network	*	*	http://www.agrium.com/role/ACCOUNTINGPOLICIESJUDGMENTSASSUMPTIONSANDESTIMATESPolicies
312	Disclosure of expected impact of initial application of new standards or interpretations [table]	Table	*	*	ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsTable
313	New IFRSs [axis]	Axis			ifrs-full:NewIFRSsAxis
314	New IFRSs [member]	Member			ifrs-full:NewIFRSsMember
315	IFRS 15 - Revenue from Contracts with Customers [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
316	IFRS 16 Leases [Member]	Member			agu:Ifrs16LeasesMember
317	IFRIC 23 Uncertainty over Income Tax Treatments [Member]	Member			agu:Ifric23UncertaintyOverIncomeTaxTreatmentsMember
318	Other various IFRS changes [Member]	Member			agu:OtherVariousIfrsChangesMember
319	Disclosure of expected impact of initial application of new standards or interpretations [line items]	LineItems			ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretationsLineItems
320	Recent accounting pronouncements	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations
321	030101 - Disclosure - CORPORATE INFORMATION (Tables)	Network	*	*	http://www.agrium.com/role/CORPORATEINFORMATIONTables
322	Implied Table	Table	*	*	implied:Table
323	Disclosure of transactions between related parties [abstract]	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
324	Transactions with Associates and Joint Ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
325	Principal subsidiaries, associates and joint ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfHowEntityAggregatedInterestsInSimilarEntitiesExplanatory
326	030201 - Disclosure - OPERATING SEGMENTS (Tables)	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENTSTables
327	Implied Table	Table	*	*	implied:Table
328	Disclosure of operating segments [abstract]	Abstract			ifrs-full:DisclosureOfOperatingSegmentsAbstract
329	Segment information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOperatingSegmentsExplanatory
330	Retail sales by product line	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProductsAndServicesExplanatory
331	Key data by geographic region	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeographicalAreasExplanatory
332	030301 - Disclosure - CAPITAL MANAGEMENT (Tables)	Network	*	*	http://www.agrium.com/role/CAPITALMANAGEMENTTables
333	Implied Table	Table	*	*	implied:Table
334	Disclosure of significant accounting policies [abstract]	Abstract			agu:DisclosureOfSignificantAccountingPoliciesAbstract
335	Information monitored to manage capital	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
336	030401 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTTables
337	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
338	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
339	Risks [member]	Member			ifrs-full:TypesOfRisksMember
340	Market risk [member]	Member			ifrs-full:MarketRiskMember
341	Currency risk [member]	Member			ifrs-full:CurrencyRiskMember
342	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
343	Commodity price risk [member]	Member			ifrs-full:CommodityPriceRiskMember
344	Disclosure of nature and extent of risks arising from financial instruments [line items]	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
345	Derivative financial instruments outstanding	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfMarketRiskExplanatory
346	Use of derivatives to hedge exposure to natural gas market price risk	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingExplanatory
347	Maturities of natural gas derivative contracts	Concept (Text Block (HTML))	For Period		ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
348	Natural gas derivative financial instruments outstanding	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory
349	Impact of change in fair value of natural gas derivative financial instruments	Concept (Text Block (HTML))	For Period		agu:DisclosureImpactOfChangeInFairValueOfNaturalGasDerivativeFinancialInstrumentsTableTextBlock
350	Sensitivity - impact of change in fair value of debentures	Concept (Text Block (HTML))	For Period		ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
351	Maximum exposure to credit risk	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCreditRiskExposureExplanatory
352	Maturity profile of financial liabilities based on contractual undiscounted payments, including estimated interest payments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfManagingLiquidityRisk
353	Gain (loss) on derivative financial instruments included in earnings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory
354	Fair value hierarchy	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementExplanatory
355	Impact of change in short-term debt	Concept (Text Block (HTML))	For Period		agu:DisclosureImpactOfChangeInShorttermDebtTableTextBlock
356	030501 - Disclosure - EXPENSES (Tables)	Network	*	*	http://www.agrium.com/role/EXPENSESTables
357	Implied Table	Table	*	*	implied:Table
358	Expenses by nature [abstract]	Abstract			ifrs-full:ExpenseByNatureAbstract
359	Expenses by nature	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesByNatureExplanatory
360	Other expenses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
361	030601 - Disclosure - FINANCE COSTS (Tables)	Network	*	*	http://www.agrium.com/role/FINANCECOSTSTables
362	Implied Table	Table	*	*	implied:Table
363	Borrowing costs [abstract]	Abstract			ifrs-full:BorrowingCostsAbstract
364	Finance costs related to long-term debt	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
365	Other finance costs	Concept (Text Block (HTML))	For Period		agu:DisclosureOfOtherFinanceCostsTableTextBlock
366	030701 - Disclosure - INCOME TAXES (Tables)	Network	*	*	http://www.agrium.com/role/INCOMETAXESTables
367	Implied Table	Table	*	*	implied:Table
368	Major components of tax expense (income) [abstract]	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
369	Components of income taxes	Concept (Text Block (HTML))	For Period		agu:DisclosureOfComponentsOfIncomeTaxTableTextBlock
370	Reconciliation of statutory tax rate to effective tax rate	Concept (Text Block (HTML))	For Period		agu:DisclosureOfReconciliationOfStatutoryTaxRateToEffectiveTaxRateTableTextBlock
371	Components of deferred income taxes	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
372	030801 - Disclosure - POST-EMPLOYMENT BENEFITS (Tables)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSTables
373	Implied Table	Table	*	*	implied:Table
374	Disclosure of defined benefit plans [abstract]	Abstract			ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
375	Continuity of obligation and plan assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
376	Post-employment benefits expense	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
377	Assumptions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
378	Sensitivities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory
379	Defined benefit pension plans - asset allocation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory
380	030901 - Disclosure - SHARE-BASED PAYMENTS (Tables)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSTables
381	Implied Table	Table	*	*	implied:Table
382	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
383	Plan features	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory
384	Stock option and SAR activity	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
385	Stock options and SARs outstanding	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory
386	PSU and RSU activity	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory
387	Compensation expense by plan	Concept (Text Block (HTML))	For Period		ifrs-full:AdditionalInformationAboutSharebasedPaymentArrangements
388	Liabilities for cash-settled plans	Concept (Text Block (HTML))	For Period		ifrs-full:ExplanationOfEffectOfSharebasedPaymentsOnFinancialPositions
389	Valuation model inputs	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory
390	031001 - Disclosure - CASH FLOW INFORMATION (Tables)	Network	*	*	http://www.agrium.com/role/CASHFLOWINFORMATIONTables
391	Implied Table	Table	*	*	implied:Table
392	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
393	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
394	Net changes in non-cash operating working capital	Concept (Text Block (HTML))	For Period		agu:DisclosureOfNetChangesInNonCashOperatingWorkingCapitaltableTextBlock
395	031101 - Disclosure - ACCOUNTS RECEIVABLE (Tables)	Network	*	*	http://www.agrium.com/role/ACCOUNTSRECEIVABLETables
396	Implied Table	Table	*	*	implied:Table
397	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
398	Trade and other current receivables	Concept (Text Block (HTML))	For Period		agu:DisclosureOfTradeAndOtherReceivablesSummaryTableTextBlock
399	Trade accounts receivable - aging	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProvisionMatrixExplanatory
400	031201 - Disclosure - INVENTORIES (Tables)	Network	*	*	http://www.agrium.com/role/INVENTORIESTables
401	Implied Table	Table	*	*	implied:Table
402	Classes of current inventories [abstract]	Abstract			ifrs-full:ClassesOfInventoriesAbstract
403	Inventories	Concept (Text Block (HTML))	For Period		agu:DisclosureOfInventoriesSummaryTableTextBlock
404	031301 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENTTables
405	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
406	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
407	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
408	Turnaround costs included in machinery and equipment [member]	Member			ifrs-full:MachineryMember
409	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
410	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
411	Depreciation of property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory
412	031401 - Disclosure - INTANGIBLES AND GOODWILL (Tables)	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILLTables
413	Implied Table	Table	*	*	implied:Table
414	Intangible assets and goodwill [abstract]	Abstract			ifrs-full:IntangibleAssetsAndGoodwillAbstract
415	Intangible assets and goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
416	Amortization of finite-lived intangibles	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
417	Goodwill impairment testing	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGoodwillExplanatory
418	031501 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES (Tables)	Network	*	*	http://www.agrium.com/role/INVESTMENTSINASSOCIATESANDJOINTVENTURESTables
419	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
420	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
421	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
422	Related parties [member]	Member			ifrs-full:RelatedPartiesMember
423	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
424	Transactions with Associates and Joint Ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
425	031601 - Disclosure - OTHER ASSETS (Tables)	Network	*	*	http://www.agrium.com/role/OTHERASSETSTables
426	Implied Table	Table	*	*	implied:Table
427	Miscellaneous assets [abstract]	Abstract			ifrs-full:MiscellaneousAssetsAbstract
428	Detailed Information About Other Assets	Concept (Text Block (HTML))	For Period		agu:DisclosureOfDetailedInformationAboutOtherAssetsExplanatoryTableTextBlock
429	031701 - Disclosure - DEBT (Tables)	Network	*	*	http://www.agrium.com/role/DEBTTables
430	Implied Table	Table	*	*	implied:Table
431	Borrowings [abstract]	Abstract			ifrs-full:BorrowingsAbstract
432	Detailed Information About Borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
433	Disclosure of debt capacity available [table text block]	Concept (Text Block (HTML))	For Period		agu:DisclosureOfDebtCapacityAvailableTableTextBlock
434	Debt continuity	Concept (Text Block (HTML))	For Period		agu:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
435	031801 - Disclosure - ACCOUNTS PAYABLE (Tables)	Network	*	*	http://www.agrium.com/role/ACCOUNTSPAYABLETables
436	Implied Table	Table	*	*	implied:Table
437	Accounts Payable [Abstract]	Abstract			ifrs-full:TradeAndOtherCurrentPayablesAbstract
438	Accounts payable, accrued laibilities and customer prepayments	Concept (Text Block (HTML))	For Period		agu:ScheduleOfTradePayableAndAcccruedLiaiblitiesExplanatoryTableTextBlock
439	031901 - Disclosure - OTHER PROVISIONS (Tables)	Network	*	*	http://www.agrium.com/role/OTHERPROVISIONSTables
440	Implied Table	Table	*	*	implied:Table
441	Other Provisions [Abstract]	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
442	Other provisions details	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsExplanatory
443	032001 - Disclosure - OTHER LIABILITIES (Tables)	Network	*	*	http://www.agrium.com/role/OTHERLIABILITIESTables
444	Implied Table	Table	*	*	implied:Table
445	Miscellaneous liabilities [abstract]	Abstract			ifrs-full:MiscellaneousLiabilitiesAbstract
446	Other liabilities	Concept (Text Block (HTML))	For Period		agu:DisclosureOfOtherLiabilitiesExplanatoryTableTextBlock
447	032002 - Disclosure - DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE (Tables)	Network	*	*	http://www.agrium.com/role/DISCONTINUEDOPERATIONSANDASSETSHELDFORSALETables
448	Implied Table	Table	*	*	implied:Table
449	Disclosure Of Noncurrent Assets Held For Sale And Discontinued Operations [abstract]	Abstract			agu:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsAbstract
450	Condensed information of discontinued operations [Table Text Block]	Concept (Text Block (HTML))	For Period		agu:DetailsOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsTableTextBlock
451	032101 - Disclosure - BUSINESS ACQUISITIONS (Tables)	Network	*	*	http://www.agrium.com/role/BUSINESSACQUISITIONSTables
452	Implied Table	Table	*	*	implied:Table
453	Disclosure Of Business Combinations [Abstract]	Abstract			ifrs-full:DisclosureOfBusinessCombinationsAbstract
454	Detailed Information About Business Combinations	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
455	032201 - Disclosure - COMMITMENTS (Tables)	Network	*	*	http://www.agrium.com/role/COMMITMENTSTables
456	Implied Table	Table	*	*	implied:Table
457	Disclosure Of Commitments [Abstract]	Abstract			agu:DisclosureOfCommitmentsAbstract
458	Future minimum lease payments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory
459	Other commitments	Concept (Text Block (HTML))	For Period		agu:DisclosureOfOtherCommitmentsTableTextBlock
460	040101 - Disclosure - CORPORATE INFORMATION - Related party transations (Details)	Network	*	*	http://www.agrium.com/role/CORPORATEINFORMATIONRelatedPartyTransationsDetails
461	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
462	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
463	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
464	Related parties [member]	Member			ifrs-full:RelatedPartiesMember
465	ELT and Board of Directors [member]	Member			ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
466	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
467	Short-term benefits	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
468	Post-employment benefits	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
469	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
470	040102 - Disclosure - CORPORATE INFORMATION - Principal subsidiaries, associates and joint ventures (Details)	Network	*	*	http://www.agrium.com/role/CORPORATEINFORMATIONPrincipalSubsidiariesAssociatesAndJointVenturesDetails
471	Disclosure of information about consolidated structured entities [table]	Table	*	*	ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable
472	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
473	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
474	Agrium Canada Partnership [member]	Member			agu:AgriumCanadaPartnershipMember
475	Agrium Potash Ltd. [Member]	Member			agu:AgriumPotashLtdMember
476	Agrium U.S. Inc. [member]	Member			agu:AgriumUsIncMember
477	Agroservicios Pampeanos S.A. [member]	Member			agu:AgroserviciosPampeanosSaMember
478	Crop Production Services, Inc.[member]	Member			agu:CropProductionServicesIncMember
479	Crop Production Services (Canada), Inc. [Member]	Member			agu:CropProductionServicesCanadaIncMember
480	Cominco Fertilizer Partnership [Member]	Member			agu:ComincoFertilizerPartnershipMember
481	Landmark Operations Ltd. [member]	Member			agu:LandmarkOperationsLtdMember
482	Loveland Products Inc. [member]	Member			agu:LovelandProductsIncMember
483	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
484	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
485	Misr Fertilizers Production Company S.A.E. [Member]	Member			agu:MisrFertilizersProductionCompanySaeMember
486	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
487	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
488	Profertil S.A. [Member]	Member			agu:ProfertilSaMember
489	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
490	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
491	Canada [member]	Member			country:CA
492	Disclosure of financial information [line items]	LineItems			ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
493	Relationship/Ownership, Subsidiary	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInSubsidiary
494	Location, Subsidiary	Concept (Text/String)	For Period		ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
495	Principal activity	Concept (Text/String)	For Period		ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
496	Method of accounting, Subsidiary	Concept (Text/String)	For Period		ifrs-full:MethodUsedToAccountForInvestmentsInSubsidiaries
497	Relationship/Ownership, Joint Venture	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointVenture
498	Location, Joint Venture	Concept (Text/String)	For Period		ifrs-full:CountryOfIncorporationOfJointVenture
499	Method of accounting, Joint Venture	Concept (Text/String)	For Period		ifrs-full:MethodUsedToAccountForInvestmentsInJointVentures
500	Relationship/Ownership, Associate	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
501	Location, Associate	Concept (Text/String)	For Period		ifrs-full:CountryOfIncorporationOrResidenceOfAssociate
502	Method of accounting, Associate	Concept (Text/String)	For Period		ifrs-full:MethodUsedToAccountForInvestmentsInAssociates
503	040103 - Disclosure - CORPORATE INFORMATION - (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/CORPORATEINFORMATIONNarrativeDetails
504	Disclosure Of Business Combinations [Table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
505	Classes of contingent liabilities [axis]	Axis			ifrs-full:ClassesOfContingentLiabilitiesAxis
506	Contingent liabilities [member]	Member			ifrs-full:ContingentLiabilitiesMember
507	Classes of ordinary shares [axis]	Axis			ifrs-full:ClassesOfOrdinarySharesAxis
508	Ordinary shares [member]	Member			ifrs-full:OrdinarySharesMember
509	Common shares of Nutrien [Member]	Member			agu:CommonSharesOfNutrienMember
510	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
511	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
512	Nutrien [member]	Member			ifrs-full:ParentMember
513	Shareholders of Agrium [Member]	Member			agu:ShareholdersOfAgriumMember
514	Shareholders of PotashCorp [Member]	Member			agu:ShareholdersOfPotashcorpMember
515	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
516	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
517	Merger with Potash Corporation of Saskatchewan [member]	Member			ifrs-full:MajorBusinessCombinationMember
518	Disclosure Of Business Combinations [Line Items]	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
519	Additional information about nature and financial effect of business combination	Concept (Text/String)	For Period		ifrs-full:AdditionalInformationAboutNatureAndFinancialEffectOfBusinessCombination
520	Date of acquisition	Concept (Date)	For Period		ifrs-full:DateOfAcquisition2013
521	Number of common share received for each subsidiary share held	Concept (Decimal)	As Of		agu:RelatedPartyTransactionTransferOfParentSharePerSubsidiaryShareHeld
522	Purchase consideration	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
523	Reimbursement for related expenses	Concept (Monetary)	As Of	Debit	ifrs-full:ExpectedReimbursementContingentLiabilitiesInBusinessCombination
524	Explanation of possibility of reimbursement, contingent liabilities in business combination	Concept (Text/String)	For Period		ifrs-full:ExplanationOfPossibilityOfReimbursementContingentLiabilitiesInBusinessCombination
525	Non-completion fee	Concept (Monetary)	For Period	Credit	agu:NoncompletionFee
526	040201 - Disclosure - OPERATING SEGMENTS - Segment information (Details)	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENTSSegmentInformationDetails
527	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
528	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
529	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
530	Operating segments [member]	Member			ifrs-full:OperatingSegmentsMember
531	Other [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
532	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
533	Segments [Member]	Member			ifrs-full:SegmentsMember
534	Reportable segments [member]	Member			ifrs-full:ReportableSegmentsMember
535	Retail business unit [member]	Member			agu:RetailSegmentMember
536	North America segment [member]	Member			agu:NorthAmericaSegmentMember
537	International segment [Member]	Member			agu:InternationalSegmentMember
538	Wholesale segment [Member]	Member			agu:WholesaleSegmentMember
539	Nitrogen segment [member]	Member			agu:NitrogenSegmentMember
540	Potash segment [member]	Member			agu:PotashSegmentMember
541	Phosphate segment [member]	Member			agu:PhosphateSegmentMember
542	Wholesale other segment [member]	Member			agu:WholesaleOtherSegmentMember
543	Sales channels [axis]	Axis			ifrs-full:SalesChannelsAxis
544	Sales channels [member]	Member			ifrs-full:SalesChannelsMember
545	External [member]	Member			ifrs-full:GoodsSoldDirectlyToConsumersMember
546	Inter-segment [member]	Member			ifrs-full:GoodsSoldThroughIntermediariesMember
547	Disclosure of operating segments [line items]	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
548	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
549	Earnings before finance costs and income taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
550	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
551	EBITDA	Concept (Monetary)	For Period	Credit	agu:ProfitLossBeforeFinanceCostsIncomeTaxDepreciationAndAmortization
552	(Earnings) loss from associates and joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
553	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
554	Additions to non-current assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsToNoncurrentAssets
555	040202 - Disclosure - OPERATING SEGMENTS - Segment information (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENTSSegmentInformationParentheticalDetails
556	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
557	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
558	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
559	Operating segments [member]	Member			ifrs-full:OperatingSegmentsMember
560	Other [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
561	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
562	Segments [Member]	Member			ifrs-full:SegmentsMember
563	Reportable segments [member]	Member			ifrs-full:ReportableSegmentsMember
564	Retail business unit [member]	Member			agu:RetailSegmentMember
565	Financial services segment [member]	Member			agu:FinancialServicesSegmentMember
566	Disclosure of operating segments [line items]	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
567	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
568	040203 - Disclosure - OPERATING SEGMENTS - Retail sales by product line (Details)	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENTSRetailSalesByProductLineDetails
569	Disclosure of products and services [table]	Table	*	*	ifrs-full:DisclosureOfProductsAndServicesTable
570	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
571	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
572	Crop nutrients [member]	Member			agu:CropNutrientsMember
573	Crop protection products [member]	Member			agu:CropProtectionProductsMember
574	Seed [member]	Member			agu:SeedMember
575	Merchandise [Member]	Member			agu:MerchandiseMember
576	Services and other [Member]	Member			agu:ServicesAndOtherMember
577	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
578	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
579	Operating segments [member]	Member			ifrs-full:OperatingSegmentsMember
580	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
581	Segments [Member]	Member			ifrs-full:SegmentsMember
582	Reportable segments [member]	Member			ifrs-full:ReportableSegmentsMember
583	Retail business unit [member]	Member			agu:RetailSegmentMember
584	Disclosure of products and services [line items]	LineItems			ifrs-full:DisclosureOfProductsAndServicesLineItems
585	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
586	040204 - Disclosure - OPERATING SEGMENTS - Key data by geographic region (Details)	Network	*	*	http://www.agrium.com/role/OPERATINGSEGMENTSKeyDataByGeographicRegionDetails
587	Disclosure of geographical areas [table]	Table	*	*	ifrs-full:DisclosureOfGeographicalAreasTable
588	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
589	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
590	Canada [member]	Member			ifrs-full:CountryOfDomicileMember
591	UNITED STATES	Member			country:US
592	Europe [member]	Member			agu:EuropeMember
593	South America [member]	Member			agu:SouthAmericaMember
594	AUSTRALIA	Member			country:AU
595	EGYPT	Member			country:EG
596	Other countries [member]	Member			agu:OtherCountriesMember
597	Disclosure of geographical areas [line items]	LineItems			ifrs-full:DisclosureOfGeographicalAreasLineItems
598	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
599	Non-current assets	Concept (Monetary)	As Of	Credit	agu:NoncurrentAssetsExcludingDeferredTaxAssetsAndFinancialInstruments
600	040301 - Disclosure - CAPITAL MANAGEMENT - Information monitored to manage capital (Details)	Network	*	*	http://www.agrium.com/role/CAPITALMANAGEMENTInformationMonitoredToManageCapitalDetails
601	Disclosure of objectives, policies and processes for managing capital [table]	Table	*	*	ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
602	Range [axis]	Axis			ifrs-full:RangeAxis
603	Ranges [member]	Member			ifrs-full:RangesMember
604	Greater than or equal to [member]	Member			ifrs-full:TopOfRangeMember
605	Less than or equal to [member]	Member			ifrs-full:BottomOfRangeMember
606	Disclosure of objectives, policies and processes for managing capital [line items]	LineItems			ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
607	Net debt to EBITDA	Concept (Percent)	For Period		agu:NetDebtToEarningsBeforeIncomeTaxDepreciationAndAmortization
608	Debt Covenant Ratio [abstract]	Abstract			agu:DebtCovenantRatioAbstract
609	Interest coverage ratio	Concept (Percent)	For Period		agu:InterestCoverageRatio
610	Interest coverage ratio target	Concept (Percent)	For Period		agu:InterestCoverageRatioTarget
611	Debt-to-capital ratio	Concept (Percent)	As Of		agu:DebtToCapitalRatio
612	Debt-to-capital ratio target	Concept (Percent)	As Of		agu:DebtToCapitalRatioTarget
613	Retail measures [abstract]	Abstract			agu:RetailMeasuresAbstract
614	Average non-cash working capital to sales	Concept (Percent)	For Period		agu:AverageNoncashWorkingCapitalToSales
615	Average non-cash working capital to sales target	Concept (Percent)	For Period		agu:AverageNoncashWorkingCapitalToSalesTarget
616	Return on operating capital employed	Concept (Percent)	For Period		agu:ReturnOnOperatingCapitalEmployed
617	Return on capital employed	Concept (Percent)	For Period		agu:ReturnOnCapitalEmployed
618	Components of ratios [abstract]	Abstract			agu:ComponentRatiosAbstract
619	EBITDA	Concept (Monetary)	For Period	Credit	agu:ProfitLossBeforeFinanceCostsIncomeTaxDepreciationAndAmortization
620	Calculation of components of ratios [abstract]	Abstract			agu:CalculationOfComponentsOfRatiosAbstract
621	Net debt [abstract]	Abstract			agu:NetDebtAbstract
622	Short-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermBorrowings
623	Long-term debt, including current portion	Concept (Monetary)	As Of	Credit	agu:LongtermBorrowingsAndCurrentPortionOfLongtermBorrowings
624	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
625	Net debt	Concept (Monetary)	As Of	Credit	agu:NetDebt
626	Adjusted total debt [abstract]	Abstract			agu:AdjustedTotalDebtAbstract
627	Guarantees and letters of credit (specified in credit facility agreements)	Concept (Monetary)	As Of	Credit	agu:GuaranteesAndLettersOfCredit
628	Adjusted total debt	Concept (Monetary)	As Of	Credit	agu:AdjustedDebt
629	040302 - Disclosure - CAPITAL MANAGEMENT (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/CAPITALMANAGEMENTNarrativeDetails
630	Disclosure of objectives, policies and processes for managing capital [table]	Table	*	*	ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
631	Range [axis]	Axis			ifrs-full:RangeAxis
632	Ranges [member]	Member			ifrs-full:RangesMember
633	Maximum [member]	Member			ifrs-full:TopOfRangeMember
634	Type of tax rates [Axis]	Axis			agu:TypeOfTaxRatesAxis
635	All tax rates [Member]	Member			agu:AllTaxRatesMemberDomain
636	Return on operating capital employed [Member]	Member			agu:ReturnOnOperatingCapitalEmployedMember
637	Return on capital employed [Member]	Member			agu:ReturnOnCapitalEmployedMember
638	Disclosure of objectives, policies and processes for managing capital [line items]	LineItems			ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
639	Tax rate	Concept (Percent)	For Period		ifrs-full:AverageEffectiveTaxRate
640	040401 - Disclosure - FINANCIAL RISK MANAGEMENT - Foreign exchange derivative financial instruments outstanding (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTForeignExchangeDerivativeFinancialInstrumentsOutstandingDetails
641	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
642	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
643	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
644	Forwards [member]	Member			ifrs-full:ForwardContractMember
645	USD/CAD [member]	Member			agu:UsDollarToCanadianDollarMember
646	CAD/USD [member]	Member			agu:CanadianDollarToUsDollarMember
647	EUR/USD [member]	Member			agu:EuroToUsDollarMember
648	USD/AUD [member]	Member			agu:UsDollarToAustralianDollarMember
649	AUD/USD [member]	Member			agu:AustralianDollarToUsDollarMember
650	CNY/AUD [member]	Member			agu:ChineseYuanToAustrailianDollarMember
651	AUD/CNY [member]	Member			agu:AustralianDollarToChineseYaunMember
652	NZD/AUD [member]	Member			agu:NewZealandDollarToAustralianDollarMember
653	AUD/NZD [member]	Member			agu:AustralianDollarToNewZealandDollarMember
654	Options [member]	Member			ifrs-full:OptionContractMember
655	CAD/USD - buy USD calls [Member]	Member			agu:CadUsdBuyUsdCallsMember
656	CAD/USD - sell USD puts [Member]	Member			agu:CadusdSellUsdPutsMember
657	USD/AUD - buy USD puts [member]	Member			agu:UsDollarToAustralianDollarBuyUsdPutsMember
658	AUD/USD - buy USD calls [Member]	Member			agu:AudusdBuyUsdCallsMember
659	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
660	Notional amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
661	Maturities	Concept (Text/String)	For Period		agu:DerivativeMaturityTerm
662	Averagae contract price	Concept (Decimal)	For Period		ifrs-full:AverageForeignExchangeRate
663	Financial assets (liabilities), at fair value	Concept (Monetary)	As Of	Debit	agu:DerivativeAssetsLiabilitiesAtFairValue
664	040402 - Disclosure - FINANCIAL RISK MANAGEMENT - Use of derivatives to hedge exposure to natural gas market price risk (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTUseOfDerivativesToHedgeExposureToNaturalGasMarketPriceRiskDetails
665	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
666	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
667	Risks [member]	Member			ifrs-full:TypesOfRisksMember
668	Commodity price risk [member]	Member			ifrs-full:CommodityPriceRiskMember
669	Maturity [axis]	Axis			ifrs-full:MaturityAxis
670	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
671	2018 [member]	Member			agu:GasTermYearOneMember
672	2019 [member]	Member			agu:GasTermYearTwoMember
673	2020 [member]	Member			agu:GasTermYearThreeMember
674	2021 [member]	Member			agu:GasTermYearFourMember
675	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
676	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
677	Financial assets at fair value, class [member]	Member			ifrs-full:FinancialAssetsAtFairValueMember
678	Derivatives [member]	Member			ifrs-full:DerivativesMember
679	Natural gas [member]	Member			agu:NaturalGasMember
680	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
681	Use of derivatives to hedge exposure to natural gas market price risk [abstract]	Abstract			agu:UseOfDerivativesToHedgeExposureToNaturalGasMarketPriceRiskAbstract
682	Maximum allowable (% of forecast gas requirements)	Concept (Percent)	For Period		agu:MaximumAllowablePercentageOfForecastGasRequirements
683	Forecast average monthly natural gas consumption	Concept (num:energyItemType)	For Period		agu:ForecastAverageMonthlyNaturalGasConsumption
684	Gas requirements hedged using derivatives designated as hedges, percentage	Concept (Percent)	For Period		agu:GasRequirementsHedgedUsingDerivativesDesignatedAsHedgesPercentage
685	040403 - Disclosure - FINANCIAL RISK MANAGEMENT - Natural gas derivative financial instruments outstanding - AECO swaps (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTNaturalGasDerivativeFinancialInstrumentsOutstandingAECOSwapsDetails
686	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
687	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
688	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
689	AECO swaps [member]	Member			ifrs-full:SwapContractMember
690	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
691	Notional amount	Concept (Decimal)	As Of		ifrs-full:NominalAmountOfHedgingInstrument
692	Maturities	Concept (Text/String)	For Period		agu:DerivativeMaturityTerm
693	Averagae contract price	Concept (Decimal)	As Of		ifrs-full:AveragePriceOfHedgingInstrument
694	Derivative assets (liabilities), at fair value	Concept (Monetary)	As Of	Debit	agu:DerivativeAssetsLiabilitiesAtFairValue
695	040404 - Disclosure - FINANCIAL RISK MANAGEMENT - Maturities of natural gas derivative contracts - AECO swaps (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTMaturitiesOfNaturalGasDerivativeContractsAECOSwapsDetails
696	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
697	Maturity [axis]	Axis			ifrs-full:MaturityAxis
698	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
699	2018 [member]	Member			ifrs-full:NotLaterThanOneYearMember
700	2019 [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
701	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
702	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
703	AECO swaps [member]	Member			ifrs-full:SwapContractMember
704	Disclosure of maturity analysis for derivative financial liabilities [line items]assets [line items]	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems
705	Derivative assets (liabilities), at fair value	Concept (Monetary)	As Of	Debit	agu:DerivativeAssetsLiabilitiesAtFairValue
706	040405 - Disclosure - FINANCIAL RISK MANAGEMENT - Natural gas derivative financial instruments outstanding (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTNaturalGasDerivativeFinancialInstrumentsOutstandingDetails
707	Disclosure of offsetting of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfOffsettingOfFinancialAssetsTable
708	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
709	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
710	Accounts receivable [member]	Member			agu:AccountsReceivableMember
711	Other assets [member]	Member			ifrs-full:OtherAssetsMember
712	Disclosure of offsetting of financial assets [line items]	LineItems			ifrs-full:DisclosureOfOffsettingOfFinancialAssetsLineItems
713	Gross amount	Concept (Monetary)	As Of	Debit	ifrs-full:GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
714	Netting	Concept (Monetary)	As Of	Credit	ifrs-full:GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
715	Carrying amount	Concept (Monetary)	As Of	Debit	ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
716	040405 - Disclosure - FINANCIAL RISK MANAGEMENT - Natural gas derivative financial instruments outstanding (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTNaturalGasDerivativeFinancialInstrumentsOutstandingDetails
717	Disclosure of offsetting of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesTable
718	Classes of liabilities [axis]	Axis			ifrs-full:ClassesOfLiabilitiesAxis
719	Liabilities [member]	Member			ifrs-full:LiabilitiesMember
720	Accounts payable [member]	Member			agu:AccountsPayableMember
721	Other liabilities [member]	Member			agu:OtherLiabilitiesMember
722	Disclosure of offsetting of financial liabilities [line items]	LineItems			ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesLineItems
723	Gross amount	Concept (Monetary)	As Of	Credit	ifrs-full:GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
724	Netting	Concept (Monetary)	As Of	Debit	ifrs-full:GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
725	Carrying amount	Concept (Monetary)	As Of	Credit	ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
726	040406 - Disclosure - FINANCIAL RISK MANAGEMENT - Impact of change in fair value of natural gas derivative financial instruments (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTImpactOfChangeInFairValueOfNaturalGasDerivativeFinancialInstrumentsDetails
727	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
728	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
729	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
730	Natural gas [member]	Member			agu:NaturalGasMember
731	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
732	A $10-million increase in other comprehensive income requires an increase in gas prices per MMBtu	Concept (Pure)	As Of		agu:ImpactOfIncreaseInFairValueOfNaturalGasDerivativeFinancialInstruments
733	A $10-million decrease in other comprehensive income requires an decrease in gas prices per MMBtu	Concept (Pure)	As Of		agu:ImpactOfDecreaseInFairValueOfNaturalGasDerivativeFinancialInstruments
734	A $10-million impact to other comprehensive income requires movement in gas	Concept (Decimal)	As Of		agu:ImpactOfChangeInFairVvalueOfNaturalGasDerivativeFinancialInstruments
735	040407 - Disclosure - FINANCIAL RISK MANAGEMENT - Impact of change in fair value of natural gas derivative financial instruments (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTImpactOfChangeInFairValueOfNaturalGasDerivativeFinancialInstrumentsParentheticalDetails
736	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
737	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
738	Financial assets, class [member]	Member			ifrs-full:FinancialAssetsMember
739	Natural gas [member]	Member			agu:NaturalGasMember
740	Disclosure of financial assets [line items]	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
741	Stated dollar impact sensitivity	Concept (Monetary)	As Of	Credit	agu:StatedDollarImpactSensitivity
742	040408 - Disclosure - FINANCIAL RISK MANAGEMENT - Impact of change in short-term debt (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTImpactOfChangeInShorttermDebtDetails
743	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
744	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
745	Risks [member]	Member			ifrs-full:TypesOfRisksMember
746	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
747	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
748	A $10-million decrease in net earnings requires an increase in interest rates	Concept (Percent)	As Of		agu:ImpactOfDecreaseInShorttermDebt
749	A $10-million increase in net earnings requires an decrease in interest rates	Concept (Percent)	As Of		agu:ImpactOfIncreaseInShorttermDebt
750	040409 - Disclosure - FINANCIAL RISK MANAGEMENT - Impact of change in short-term debt (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTImpactOfChangeInShorttermDebtParentheticalDetails
751	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
752	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
753	Risks [member]	Member			ifrs-full:TypesOfRisksMember
754	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
755	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
756	Stated dollar impact sensitivity	Concept (Monetary)	As Of	Credit	agu:StatedDollarImpactSensitivity
757	040410 - Disclosure - FINANCIAL RISK MANAGEMENT - Sensitivity - impact of change in fair value of debentures (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTSensitivityImpactOfChangeInFairValueOfDebenturesDetails
758	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
759	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
760	Risks [member]	Member			ifrs-full:TypesOfRisksMember
761	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
762	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
763	Interest rate increase of 1%	Concept (Monetary)	As Of	Credit	agu:Interestrateincreaseimpactofchangeinfairvalueofdebentures
764	Interest rate decrease of 1%	Concept (Monetary)	As Of	Debit	agu:Interestratedecreaseimpactofchangeinfairvalueofdebentures
765	040411 - Disclosure - FINANCIAL RISK MANAGEMENT - Sensitivity - impact of change in fair value of debentures (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTSensitivityImpactOfChangeInFairValueOfDebenturesParentheticalDetails
766	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
767	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
768	Risks [member]	Member			ifrs-full:TypesOfRisksMember
769	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
770	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
771	Stated percentage impact sensitivity	Concept (Percent)	As Of		agu:StatedPercentageImpactSensitivity
772	040412 - Disclosure - FINANCIAL RISK MANAGEMENT - Maximum exposure to credit risk (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTMaximumExposureToCreditRiskDetails
773	Disclosure of credit risk exposure [table]	Table	*	*	ifrs-full:DisclosureOfCreditRiskExposureTable
774	Classes Of Financial Instruments [Axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
775	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
776	Cash and cash equivalents [member]	Member			agu:CashAndCashEquivalentsMember
777	Accounts receivables [member]	Member			ifrs-full:TradeReceivablesMember
778	Other current assets [member]	Member			agu:OtherCurrentAssetsMember
779	Other non-current assets [member]	Member			agu:OtherNoncurrentAssetsMember
780	Disclosure of credit risk exposure [line items]	LineItems			ifrs-full:DisclosureOfCreditRiskExposureLineItems
781	Maximum exposure to credit risk	Concept (Monetary)	As Of		ifrs-full:MaximumExposureToCreditRisk
782	040413 - Disclosure - FINANCIAL RISK MANAGEMENT - Liquidity risk (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTLiquidityRiskDetails
783	Disclosure of maturity analysis for financial assets held for managing liquidity risk [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskTable
784	Maturity [axis]	Axis			ifrs-full:MaturityAxis
785	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
786	Less than one year [member]	Member			ifrs-full:NotLaterThanOneYearMember
787	One to three years [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
788	Four to five years [member]	Member			ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
789	More than five years [member]	Member			ifrs-full:LaterThanFiveYearsMember
790	Types of financial liabilities [axis]	Axis			ifrs-full:TypesOfFinancialLiabilitiesAxis
791	Financial liabilities, type [member]	Member			ifrs-full:FinancialLiabilitiesTypeMember
792	Short-term debt [member]	Member			agu:ShorttermDebtMember
793	Accounts payable [member]	Member			agu:AccountsPayableMember
794	Current portion of long-term debt [member]	Member			agu:CurrentPortionOfLongtermDebtMember
795	Long-term debt [member]	Member			agu:LongtermDebtMember
796	Other liabilities [member]	Member			agu:OtherLiabilitiesMember
797	Classes Of Financial Instruments [Axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
798	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
799	Foreign exchange derivative contracts [member]	Member			agu:ForeignExchangeDerivativeContractsMember
800	Natural gas derivative contracts [member]	Member			agu:NaturalGasDerivativeContractsMember
801	Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskLineItems
802	Financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
803	Derivative financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
804	Non-derivative, Contractual cash flows	Concept (Monetary)	As Of	Credit	ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
805	Derivative, Contractual cash flows	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
806	040414 - Disclosure - FINANCIAL RISK MANAGEMENT - Gain (loss) on derivative financial instruments included in earnings (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTGainlossOnDerivativeFinancialInstrumentsIncludedInEarningsDetails
807	Disclosure Of Financial Instruments [Table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
808	Classes Of Financial Instruments [Axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
809	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
810	Foreign exchange derivative contracts [member]	Member			agu:ForeignExchangeDerivativeContractsMember
811	Natural gas derivative contracts [member]	Member			agu:NaturalGasDerivativeContractsMember
812	Earnings location [axis]	Axis			agu:EarningsByLocationAxis
813	Earnings by location [member]	Member			agu:EarningsByLocationDomain
814	Recorded in sales [member]	Member			agu:RecordedInRevenueMember
815	Recorded in cost of sales [member]	Member			agu:RecordedInCostOfSalesMember
816	Recorded in other expenses [member]	Member			agu:RecordedInOtherExpensesMember
817	Disclosure Of Financial Instruments [Line Items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
818	Realized gain (loss)	Concept (Monetary)	For Period	Credit	agu:RealizedGainsLossesOnChangeInFairValueOfDerivatives1
819	Unrealized gain (loss)	Concept (Monetary)	For Period	Credit	agu:UnrealizedGainsLossesOnChangeInFairValueOfDerivatives
820	Total gain (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
821	040415 - Disclosure - FINANCIAL RISK MANAGEMENT - Fair value hierarchy (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTFairValueHierarchyDetails
822	Disclosure of fair value measurement of asset and liabilities [table]	Table	*	*	agu:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
823	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
824	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
825	At fair value [member]	Member			ifrs-full:AtFairValueMember
826	Recurring fair value measurement [member]	Member			ifrs-full:RecurringFairValueMeasurementMember
827	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
828	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
829	Level 1 of fair value hierarchy [member]	Member			ifrs-full:Level1OfFairValueHierarchyMember
830	Level 2 of fair value hierarchy [member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
831	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
832	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
833	Financial assets at fair value, class [member]	Member			ifrs-full:FinancialAssetsAtFairValueMember
834	Derivatives [member]	Member			ifrs-full:DerivativesMember
835	Marketable securities [member]	Member			ifrs-full:TradingSecuritiesMember
836	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
837	Financial liabilities, class [member]	Member			ifrs-full:FinancialLiabilitiesMember
838	Financial liabilities at amortised cost, class [member]	Member			ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
839	Classes of liabilities [axis]	Axis			ifrs-full:ClassesOfLiabilitiesAxis
840	Liabilities [member]	Member			ifrs-full:LiabilitiesMember
841	Debentures [member]	Member			agu:DebenturesMember
842	Fixed and floating rate debt [Member]	Member			agu:FixedAndFloatingRateDebtMember
843	Disclosure of fair value measurement of assets and liabilities [line items]	LineItems			agu:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems
844	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
845	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
846	Other current financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentFinancialAssets
847	Other non-current financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentFinancialAssets
848	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
849	Other financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherFinancialLiabilities
850	Current portion of long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentPortionOfLongtermBorrowings
851	Long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
852	040416 - Disclosure - FINANCIAL RISK MANAGEMENT (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/FINANCIALRISKMANAGEMENTNarrativeDetails
853	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
854	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
855	Risks [member]	Member			ifrs-full:TypesOfRisksMember
856	Market risk [member]	Member			ifrs-full:MarketRiskMember
857	Currency risk [member]	Member			ifrs-full:CurrencyRiskMember
858	Other price risk [member]	Member			ifrs-full:OtherPriceRiskMember
859	Commodity price risk [member]	Member			ifrs-full:CommodityPriceRiskMember
860	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
861	Range [axis]	Axis			ifrs-full:RangeAxis
862	Ranges [member]	Member			ifrs-full:RangesMember
863	Weighted average [member]	Member			ifrs-full:WeightedAverageMember
864	Disclosure of risk management strategy related to hedge accounting [line items]	LineItems			ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
865	Maximum monthly hedged volume, percentage	Concept (Percent)	For Period		agu:MaximumMonthlyHedgedVolumePercentage
866	Natural gas hedges, ratio	Concept (Percent)	As Of		agu:NaturalGasHedgesRatio
867	Interest rate (%)	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
868	Transfers out of Level 1 into Level 2 of fair value hierarchy	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
869	Transfers out of Level 2 into Level 1 of fair value hierarchy	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
870	Transfers out of Level 1 into Level 2 of fair value hierarchy	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
871	Transfers out of Level 2 into Level 1 of fair value hierarchy	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
872	Description of valuation techniques used in fair value measurement, assets	Concept (Text/String)	For Period		ifrs-full:DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets
873	Description of inputs used in fair value measurement, assets	Concept (Text/String)	For Period		ifrs-full:DescriptionOfInputsUsedInFairValueMeasurementAssets
874	Maximum term to manage risk	Concept (xbrli:durationItemType)	For Period		agu:MaximumTermToManageRisk
875	040501 - Disclosure - EXPENSES - Expenses by nature (Details)	Network	*	*	http://www.agrium.com/role/EXPENSESExpensesByNatureDetails
876	Implied Table	Table	*	*	implied:Table
877	Expenses by nature [abstract]	Abstract			ifrs-full:ExpenseByNatureAbstract
878	(Increase) decrease in finished goods inventory	Concept (Monetary)	For Period	Debit	ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
879	Raw materials and consumables used	Concept (Monetary)	For Period	Debit	ifrs-full:RawMaterialsAndConsumablesUsed
880	Rebates	Concept (Monetary)	For Period	Credit	agu:Rebates
881	Freight and distribution	Concept (Monetary)	For Period	Debit	ifrs-full:DistributionCosts
882	Short-term employee benefits	Concept (Monetary)	For Period	Debit	ifrs-full:ShorttermEmployeeBenefitsExpense
883	Post-employment benefits	Concept (Monetary)	For Period	Debit	agu:PostEmploymentBenefitsCostOfProductAndGeneralAndAdministrative
884	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
885	Depreciation of property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
886	Amortization of intangibles	Concept (Monetary)	For Period		ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
887	Operating leases	Concept (Monetary)	For Period	Debit	ifrs-full:MinimumOperatingLeasePayments
888	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByNature
889	Expenses, by nature	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseByNature
890	Expense line items [abstract]	Abstract			agu:ExpenseLineItemsAbstract
891	Cost of product sold	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
892	Selling expense	Concept (Monetary)	For Period	Debit	agu:SellingExpense
893	General and administrative expense	Concept (Monetary)	For Period	Debit	agu:GeneralAndAdministrativeExpense
894	Share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
895	Expenses, by nature	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseByNature
896	040502 - Disclosure - EXPENSES - Other espense (Details)	Network	*	*	http://www.agrium.com/role/EXPENSESOtherEspenseDetails
897	Implied Table	Table	*	*	implied:Table
898	Expenses by nature [abstract]	Abstract			ifrs-full:ExpenseByNatureAbstract
899	Other expenses [abstract]	Abstract			agu:OtherExpensesAbstract
900	Loss on foreign exchange and related derivatives and commodity derivatives not designated as hedges	Concept (Monetary)	For Period	Debit	ifrs-full:NetForeignExchangeLoss
901	Interest income	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromInterest
902	Gain on sale of assets	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
903	Asset impairment	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLoss
904	Environmental remediation and asset retirement obligations	Concept (Monetary)	For Period	Debit	agu:EnvironmentalRemediationAndAssetRetirementObligations
905	Bad debt expense	Concept (Monetary)	For Period	Debit	agu:BadDebtExpense
906	Potash profit and capital tax	Concept (Monetary)	For Period	Debit	agu:PotashProfitAndCapitalTax
907	Merger and related costs	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionrelatedCostsForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
908	Litigation settlements and related fees	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnLitigationSettlements
909	Outsourcing costs	Concept (Monetary)	For Period	Debit	agu:OutsourcingCosts
910	Other	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
911	Other expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByFunction
912	040601 - Disclosure - FINANCE COSTS - Finance costs related to long-term debt (Details)	Network	*	*	http://www.agrium.com/role/FINANCECOSTSFinanceCostsRelatedToLongtermDebtDetails
913	Implied Table	Table	*	*	implied:Table
914	Borrowing costs [abstract]	Abstract			ifrs-full:BorrowingCostsAbstract
915	Finance costs related to long-term debt [abstract]	Abstract			agu:FinanceCostsRelatedToLongtermDebtAbstract
916	Gross finance costs related to long-term debt	Concept (Monetary)	For Period	Debit	agu:GrossFinanceCosts
917	Less: Borrowing costs capitalized at a rate of 4.4% (2016 - 4.4%)	Concept (Monetary)	For Period		ifrs-full:BorrowingCostsCapitalised
918	Finance costs related to long-term debt	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
919	040602 - Disclosure - FINANCE COSTS - Finance costs related to long-term debt (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/FINANCECOSTSFinanceCostsRelatedToLongtermDebtParentheticalDetails
920	Implied Table	Table	*	*	implied:Table
921	Borrowing costs [abstract]	Abstract			ifrs-full:BorrowingCostsAbstract
922	Borrowing costs capitalization rate	Concept (Percent)	For Period		ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
923	040603 - Disclosure - FINANCE COSTS - Other finance costs (Details)	Network	*	*	http://www.agrium.com/role/FINANCECOSTSOtherFinanceCostsDetails
924	Implied Table	Table	*	*	implied:Table
925	Borrowing costs [abstract]	Abstract			ifrs-full:BorrowingCostsAbstract
926	Other finance costs [abstract]	Concept (Text/String)	For Period		agu:OtherFinanceCostsAbstract
927	Accretion of environmental remediation and asset retirement obligations	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
928	Finance costs from customer prepayments	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnDepositsFromCustomers
929	Other interest expense	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnOtherFinancialLiabilities
930	Other finance cost	Concept (Monetary)	For Period	Debit	ifrs-full:OtherFinanceCost
931	040701 - Disclosure - INCOME TAXES - Components of income taxes (Details)	Network	*	*	http://www.agrium.com/role/INCOMETAXESComponentsOfIncomeTaxesDetails
932	Implied Table	Table	*	*	implied:Table
933	Major components of tax expense (income) [abstract]	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
934	Current tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
935	Previously unrecognized tax assets	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense
936	Adjustments for prior years	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
937	Current income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
938	Origination and reversal of temporary differences	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
939	Change in income tax rate	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes
940	Previously unrecognized tax assets	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
941	Deferred income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
942	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
943	040702 - Disclosure - INCOME TAXES - Reconciliation of statutory tax rate to effective tax rate (Details)	Network	*	*	http://www.agrium.com/role/INCOMETAXESReconciliationOfStatutoryTaxRateToEffectiveTaxRateDetails
944	Disclosure of geographical areas [table]	Table	*	*	ifrs-full:DisclosureOfGeographicalAreasTable
945	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
946	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
947	Canada [member]	Member			ifrs-full:CountryOfDomicileMember
948	Foreign [member]	Member			ifrs-full:ForeignCountriesMember
949	Disclosure of geographical areas [line items]	LineItems			ifrs-full:DisclosureOfGeographicalAreasLineItems
950	Reconciliation of statutory tax rate to effective tax rate [abstract]	Abstract			ifrs-full:ReconciliationOfAverageEffectiveTaxRateAndApplicableTaxRateAbstract
951	Earnings before income taxes	Concept (Monetary)	For Period	Credit	ifrs-full:AccountingProfit
952	Statutory rate (%)	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
953	Income taxes at statutory rate	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
954	Foreign currency losses (gains) relating to Canadian operations	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
955	Differences in foreign tax rates	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectOfForeignTaxRates
956	(Earnings) loss from associates and joint ventures	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
957	U.S. tax reform	Concept (Monetary)	For Period	Credit	agu:TaxEffectOfUnitedStatesTaxReforms
958	Previously unrecognized tax assets	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceCurrentTaxExpense
959	Previously unrecognized tax assets	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
960	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
961	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
962	Current [abstract]	Abstract			agu:CurrentAbstract
963	Current income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
964	Deferred tax expense (income) [abstract]	Abstract			ifrs-full:DeferredTaxExpenseIncomeAbstract
965	Deferred income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
966	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
967	040703 - Disclosure - INCOME TAXES - Components of deferred income taxes (Details)	Network	*	*	http://www.agrium.com/role/INCOMETAXESComponentsOfDeferredIncomeTaxesDetails
968	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
969	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
970	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
971	Receivables, inventories and accrued liabilities [member]	Member			agu:ReceivablesInventoriesAndAccruedLiabilitiesMember
972	Deferred partnership income [member]	Member			agu:DeferredPartnershipIncomeMember
973	Loss carry-forwards [member]	Member			ifrs-full:UnusedTaxLossesMember
974	Other [member]	Member			ifrs-full:OtherTemporaryDifferencesMember
975	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
976	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
977	Property plant and equipment assets [Member]	Member			agu:PropertyPlantAndEquipmentAssetsMember
978	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
979	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
980	Intangible assets [Member]	Member			agu:IntangibleAssetsMember
981	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
982	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
983	Asset retirement and environmental remediation provisions [Member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
984	Disclosure of temporary difference, unused tax losses and unused tax credits [line items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
985	Net deferred income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
986	Components recognized in earnings	Concept (Monetary)	For Period		ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
987	Components not recognized in earnings	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
988	Deferred income tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
989	Deferred income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
990	040704 - Disclosure - INCOME TAXES (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/INCOMETAXESNarrativeDetails
991	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
992	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
993	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
994	Temporary differences [member]	Member			ifrs-full:TemporaryDifferenceMember
995	Expiring through 2037 [member]	Member			agu:ExpiringthroughNinteenYearsFromCurrentYearMember
996	Expiring through 2036 [member]	Member			agu:ExpiringThroughEighteenYearsFromCurrentYearMember
997	Range [axis]	Axis			ifrs-full:RangeAxis
998	Ranges [member]	Member			ifrs-full:RangesMember
999	Decreased to [member]	Member			ifrs-full:BottomOfRangeMember
1000	Maximum [member]	Member			ifrs-full:TopOfRangeMember
1001	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1002	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1003	Alberta [member]	Member			agu:AlbertaMember
1004	Disclosure of temporary difference, unused tax losses and unused tax credits [line items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1005	Change in income tax rate	Concept (Percent)	For Period		ifrs-full:TaxRateEffectFromChangeInTaxRate
1006	Unused tax losses for which no deferred tax asset recognised	Concept (Monetary)	As Of		ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1007	Description of expiry date of deductible temporary differences, unused tax losses and unused tax credits	Concept (Text/String)	For Period		ifrs-full:DescriptionOfExpiryDateOfTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCredits
1008	Unused tax losses recognized	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseInDeferredTaxLiabilityAsset
1009	040801 - Disclosure - POST-EMPLOYMENT BENEFITS - Continuity of obligation and plan assets (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSContinuityOfObligationAndPlanAssetsDetails
1010	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1011	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1012	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1013	Defined benefit plans [member]	Member			ifrs-full:DomesticDefinedBenefitPlansMember
1014	Other post-employment benefit plans [member]	Member			agu:OtherPostemploymentBenefitPlansMember
1015	Net defined benefit liability (asset) [axis]	Axis			ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1016	Net defined benefit liability (asset) [member]	Member			ifrs-full:NetDefinedBenefitLiabilityAssetMember
1017	Obligation [member]	Member			ifrs-full:PresentValueOfDefinedBenefitObligationMember
1018	Plan assets [member]	Member			ifrs-full:PlanAssetsMember
1019	Net [member]	Member			ifrs-full:EffectOfAssetCeilingMember
1020	Retirement plan funding status [Axis]	Axis			agu:RetirementPlanFundingStatusAxis
1021	Retirement Plan Funding Status [Member]	Member			agu:RetirementPlanFundingStatusMemberDomain
1022	Funded Plans [Member]	Member			agu:FundedPlansMember
1023	Unfunded Plans [Member]	Member			agu:UnfundedPlansMember
1024	Disclosure of defined benefit plans [line items]	LineItems			ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1025	Net defined benefit liability (asset) - beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1026	Expenses included in earnings [abstract]	Abstract			agu:ExpensesIncludedInEarningsAbstract
1027	Service cost	Concept (Monetary)	For Period	Credit	ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1028	Past service cost	Concept (Monetary)	For Period	Credit	ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
1029	Interest (expense) income	Concept (Monetary)	For Period	Credit	ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1030	Settlements	Concept (Monetary)	For Period	Debit	ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
1031	Administrative costs	Concept (Monetary)	For Period	Debit	agu:AdministrativeCostsPostEmploymentBenefits
1032	Expenses included in earlings related to post employment benefits	Concept (Monetary)	For Period	Debit	agu:PostEmploymentBenefitExpenseDefinedBenefitAndOthers
1033	Other comprehensive income [abstract]	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
1034	Actuarial gain (loss) arising from [abstract]	Abstract			agu:ActuarialGainLossArisingFromAbstract
1035	Liability experience adjustments	Concept (Monetary)	For Period	Debit	agu:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
1036	Changes in demographic assumptions	Concept (Monetary)	For Period	Debit	ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1037	Changes in financial assumptions	Concept (Monetary)	For Period	Debit	ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1038	Return on plan assets, excluding interest	Concept (Monetary)	For Period	Debit	agu:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAssetExcludingInterest
1039	Included in other comprehensive income, total	Concept (Monetary)	For Period	Debit	ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
1040	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
1041	Employee contributions	Concept (Monetary)	For Period	Debit	ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset
1042	Employer contributions	Concept (Monetary)	For Period	Debit	ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1043	Benefits paid	Concept (Monetary)	For Period	Debit	ifrs-full:BenefitsPaidOrPayable
1044	Total	Concept (Monetary)	For Period	Debit	ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
1045	Foreign currency translation	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesReimbursementRightsAtFairValue
1046	Net defined benefit liability (asset) - ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1047	040802 - Disclosure - POST-EMPLOYMENT BENEFITS - Post-employment benefits expense (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSPostemploymentBenefitsExpenseDetails
1048	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1049	Earnings location [axis]	Axis			agu:EarningsByLocationAxis
1050	Earnings by location [member]	Member			agu:EarningsByLocationDomain
1051	Cost of sales [member]	Member			agu:RecordedInCostOfSalesMember
1052	General and administrative [member]	Member			agu:GeneralAndAdministrativeMember
1053	Other expenses [member]	Member			agu:RecordedInOtherExpensesMember
1054	Other finance costs [member]	Member			agu:OtherFinanceCostsMember
1055	Disclosure of defined benefit plans [line items]	LineItems			ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1056	Classes of employee benefits expense [abstract]	Abstract			ifrs-full:ClassesOfEmployeeBenefitsExpenseAbstract
1057	Defined contribution pension plans	Concept (Monetary)	For Period	Debit	ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
1058	Defined benefit pension plans	Concept (Monetary)	For Period	Debit	ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1059	Other post-employment benefit plans	Concept (Monetary)	For Period	Debit	ifrs-full:OtherLongtermBenefits
1060	Post-employment benefits expense	Concept (Monetary)	For Period	Debit	agu:PostemploymentBenefitExpense
1061	040803 - Disclosure - POST-EMPLOYMENT BENEFITS - Assumptions and sensitivities (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSAssumptionsAndSensitivitiesDetails
1062	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1063	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1064	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1065	Defined benefit plans [member]	Member			ifrs-full:DomesticDefinedBenefitPlansMember
1066	Other post-employment benefit plans [member]	Member			agu:OtherPostemploymentBenefitPlansMember
1067	Net defined benefit liability (asset) [axis]	Axis			ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1068	Net defined benefit liability (asset) [member]	Member			ifrs-full:NetDefinedBenefitLiabilityAssetMember
1069	Present value of defined benefit obligation [member]	Member			ifrs-full:PresentValueOfDefinedBenefitObligationMember
1070	Effect of asset ceiling [member]	Member			ifrs-full:EffectOfAssetCeilingMember
1071	Future benefit expenses [member]	Member			agu:FutureBenefitExpensesMember
1072	Future benefit obligations [Member]	Member			agu:FutureBenefitObligationsMember
1073	Range [axis]	Axis			ifrs-full:RangeAxis
1074	Ranges [member]	Member			ifrs-full:RangesMember
1075	Weighted average [member]	Member			ifrs-full:WeightedAverageMember
1076	Disclosure of defined benefit plans [line items]	LineItems			ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1077	Disclosure of sensitivity analysis for actuarial assumptions [abstract]	Abstract			ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract
1078	Discount rate	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfDiscountRates
1079	Expected long-term rate of return on assets	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
1080	Rate of increase in compensation levels	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1081	040804 - Disclosure - POST-EMPLOYMENT BENEFITS - Assumed and ultimate health care cost trend rates (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSAssumedAndUltimateHealthCareCostTrendRatesDetails
1082	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1083	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1084	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1085	Defined benefit plans [member]	Member			ifrs-full:DomesticDefinedBenefitPlansMember
1086	Other post-employment benefit plans [member]	Member			agu:OtherPostemploymentBenefitPlansMember
1087	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1088	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1089	Assumed [member]	Member			agu:AssumedMember
1090	Ultimate [member]	Member			agu:UltimateMember
1091	Range [axis]	Axis			ifrs-full:RangeAxis
1092	Ranges [member]	Member			ifrs-full:RangesMember
1093	Weighted average [member]	Member			ifrs-full:WeightedAverageMember
1094	Actuarial assumptions [axis]	Axis			ifrs-full:ActuarialAssumptionsAxis
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1098	Male [member]	Member			agu:MaleMember
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1101	Health care cost trend rate	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfMedicalCostTrendRates
1102	Fiscal year the rate reaches the ultimate trend rate	Concept (Year)	For Period		agu:FiscalYearRateReachesUltimateTrendRate
1103	Mortality assumptions per latest available standard mortality tables [abstract]	Abstract			agu:MortalityAssumptionsPerLatestAvailableStandardMortalityTablesRemainingYearsAbstract
1104	Average life expectancy - currently aged 65 years (2016 - 65 years)	Concept (Integer)	For Period		agu:ActuarialAssumptionAverageLifeExpectancyRemainingYears
1105	Average duration of benefit obligation [abstract]	Abstract			agu:AverageDurationOfDefinedBenefitObligationAbstract
1106	Average duration of benefit obligation	Concept (Decimal)	For Period		ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
1107	040805 - Disclosure - POST-EMPLOYMENT BENEFITS - Assumed and ultimate health care cost trend rates (Parenthetical) (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSAssumedAndUltimateHealthCareCostTrendRatesParentheticalDetails
1108	Implied Table	Table	*	*	implied:Table
1109	Disclosure of defined benefit plans [abstract]	Abstract			ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
1110	Actuarial assumption, Average life expectancy	Concept (Decimal)	As Of		agu:ActuarialAssumptionAverageLifeExpectancy
1111	040806 - Disclosure - POST-EMPLOYMENT BENEFITS - Defined benefit pension plans - Asset allocation (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSDefinedBenefitPensionPlansAssetAllocationDetails
1112	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1113	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
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1115	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
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1117	Equity securities [member]	Member			ifrs-full:TradingEquitySecuritiesMember
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1119	Cash and other [member]	Member			agu:CashAndOtherMember
1120	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1121	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
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1125	Emerging market [member]	Member			agu:EmergingMarketMember
1126	Disclosure of defined benefit plans [line items]	LineItems			ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1127	Defined benefit pension plans - asset allocation [abstract]	Abstract			agu:DefinedBenefitPensionPlansAssetAllocationAbstract
1128	Asset categories [abstract]	Concept (Text/String)	For Period		agu:AssetCategoriesAbstract
1129	Target allocation	Concept (Percent)	As Of		agu:TargetAllocationPercentage
1130	Plan assets	Concept (Percent)	As Of		agu:PlanAssetsPercentage
1131	040807 - Disclosure - POST-EMPLOYMENT BENEFITS (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/POSTEMPLOYMENTBENEFITSNarrativeDetails
1132	Disclosure of defined benefit plans [table]	Table	*	*	ifrs-full:DisclosureOfDefinedBenefitPlansTable
1133	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1134	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1135	Range [axis]	Axis			ifrs-full:RangeAxis
1136	Ranges [member]	Member			ifrs-full:RangesMember
1137	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1138	Disclosure of defined benefit plans [line items]	LineItems			ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
1139	Participants of retirement benefit plan receiving benefits, percentage	Concept (Percent)	For Period		agu:ParticipantsOfRetirementBenefitPlanReceivingBenefitsPercentage
1140	Estimated contribution to fund our defined benefit pension plans for 2018	Concept (Monetary)	For Period	Credit	ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
1141	Description of methods and assumptions used in preparing sensitivity analysis for actuarial assumptions	Concept (Text/String)	For Period		ifrs-full:DescriptionOfMethodsAndAssumptionsUsedInPreparingSensitivityAnalysisForActuarialAssumptions
1142	Change in discount rate, impact on defined benefit obligation	Concept (Monetary)	For Period	Credit	agu:ImpactFromOnePercentChangeInDiscountRate
1143	Stated percentage impact sensitivity	Concept (Percent)	As Of		agu:StatedPercentageImpactSensitivity
1144	040901 - Disclosure - SHARE-BASED PAYMENTS - Plan features (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSPlanFeaturesDetails
1145	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1146	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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1149	Stock Appreciation Rights [member]	Member			agu:StockAppreciationRightsMember
1150	Performance Share Units [member]	Member			agu:PerformanceShareUnitsMember
1151	Restricted Share Units [Member]	Member			agu:RestrictedShareUnitsMember
1152	Director Deferred Share [member]	Member			agu:DirectorDeferredShareMember
1153	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
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1157	Vesting period	Concept (Text/String)	For Period		ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
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1159	Settlement	Concept (Text/String)	For Period		ifrs-full:DescriptionOfMethodOfSettlementForSharebasedPaymentArrangement
1160	040902 - Disclosure - SHARE-BASED PAYMENTS - Stock option and SAR activity (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSStockOptionAndSARActivityDetails
1161	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1162	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1163	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1164	Stock Options and Stock Appreciation Rights [Member]	Member			agu:StockOptionsAndStockAppreciationRightsMember
1165	Stock Options [member]	Member			agu:StockOptionsMember
1166	Stock Appreciation Rights [member]	Member			agu:StockAppreciationRightsMember
1167	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1168	Stock option and SAR activity [abstract]	Abstract			agu:StockOptionAndSarActivityAbstract
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1170	Granted	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1171	Forfeited	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1172	Exercised	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
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1175	Outstanding, beginning of year	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
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1177	Forfeited	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1178	Exercised	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1179	Expired	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
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1181	Exercisable, end of year	Concept (Decimal)	As Of		ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
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1183	Maximum available for future grants, end of year	Concept (Shares)	As Of		agu:Maximumavailableforfuturegrants
1184	Cash received from equity-settled awards	Concept (Monetary)	For Period	Debit	agu:ProceedsFromEquitysettledAwards
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1186	Weighted average share price at exercise date	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise
1187	040903 - Disclosure - SHARE-BASED PAYMENTS - Stock option and SAR outstanding (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSStockOptionAndSAROutstandingDetails
1188	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1189	Ranges of exercise prices for outstanding share options [axis]	Axis			ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1190	Ranges of exercise prices for outstanding share options [member]	Member			ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1191	Less than $86.32 [member]	Member			agu:PriceRangeOneMember
1192	$86.33 to $90.83 [member]	Member			agu:PriceRangeTwoMember
1193	$90.84 to $102.18 [member]	Member			agu:PriceRangeThreeMember
1194	$102.19 to $109.55 [member]	Member			agu:PriceRangeFourMember
1195	$109.56 to $115.87 [member]	Member			agu:PriceRangeFiveMember
1196	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1197	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1198	Stock Options and Stock Appreciation Rights [Member]	Member			agu:StockOptionsAndStockAppreciationRightsMember
1199	Stock Options [member]	Member			agu:StockOptionsMember
1200	Stock Appreciation Rights [member]	Member			agu:StockAppreciationRightsMember
1201	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1202	Remaining contractual life	Concept (Decimal)	As Of		ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1203	Options outstanding, Units	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
1204	Options outstanding, Exercise price	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1205	Options exercisable, Units	Concept (Decimal)	As Of		ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1206	Options exercisable, Exercise price	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1207	040904 - Disclosure - SHARE-BASED PAYMENTS - PSU and RSU activity (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSPSUAndRSUActivityDetails
1208	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1209	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1210	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1211	Performance Share Units and Restricted Share Units [Member]	Member			agu:PerformanceShareUnitsAndRestrictedShareUnitsMember
1212	Performance Share Units [member]	Member			agu:PerformanceShareUnitsMember
1213	Restricted Share Units [Member]	Member			agu:RestrictedShareUnitsMember
1214	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1215	PSU and RSU activity [abstract]	Abstract			agu:PsuAndRsuActivityAbstract
1216	Outstanding, beginning of year	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1217	Granted	Concept (Decimal)	For Period		ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1218	Forfeited	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1219	Exercised	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1220	Outstanding, end of year	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1221	Weighted average fair value of outstanding	Concept (Monetary)	As Of	Credit	ifrs-full:WeightedAverageFairValueAtMeasurementDateOtherEquityInstrumentsGranted
1222	040905 - Disclosure - SHARE-BASED PAYMENTS - Compensation expense by plan (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSCompensationExpenseByPlanDetails
1223	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1224	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1225	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1226	Stock Options [member]	Member			agu:StockOptionsMember
1227	SARs [member]	Member			agu:StockAppreciationRightsMember
1228	TSARs [member]	Member			agu:TandemStockAppreciationRightsMember
1229	PSUs [member]	Member			agu:PerformanceShareUnitsMember
1230	RSUs [member]	Member			agu:RestrictedShareUnitsMember
1231	DSUs [member]	Member			agu:DirectorDeferredShareMember
1232	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1233	Compensation expense by plan	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1234	040906 - Disclosure - SHARE-BASED PAYMENTS - Liabilities for cash-settled plans (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSLiabilitiesForCashsettledPlansDetails
1235	Implied Table	Table	*	*	implied:Table
1236	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1237	Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets [abstract]	Abstract			ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssetsAbstract
1238	Total fair value liability for cash-settled plans	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
1239	Total intrinsic liability for cash-settled plans	Concept (Monetary)	As Of	Credit	ifrs-full:IntrinsicValueOfLiabilitiesFromSharebasedPaymentTransactionsForWhichCounterpartysRightToCashOrOtherAssetsVested2011
1240	040907 - Disclosure - SHARE-BASED PAYMENTS - Valuation model inputs (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSValuationModelInputsDetails
1241	Implied Table	Table	*	*	implied:Table
1242	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1243	Valuation model inputs [abstract]	Concept (Text/String)	For Period		agu:ValuationModelnputsAbstract
1244	Grant price (NYSE closing price on day immediately preceding grant date)	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1245	Share price (NYSE closing price at December 31	Concept (Monetary)	For Period		ifrs-full:WeightedAverageSharePriceShareOptionsGranted
1246	Expected annual volatility (%)	Concept (Percent)	For Period		ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1247	Risk-free interest rate (%)	Concept (Percent)	For Period		ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1248	Expected annual dividend yield (%)	Concept (Percent)	For Period		ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1249	Expected life (years)	Concept (Decimal)	As Of		ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1250	Forfeiture rate (%)	Concept (Percent)	For Period		agu:DescriptionOfExpectedForfeitureShareOptionsGranted
1251	040908 - Disclosure - SHARE-BASED PAYMENTS (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/SHAREBASEDPAYMENTSNarrativeDetails
1252	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1253	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1254	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1255	Stock options attached [member]	Member			agu:StockOptionsAttachedMember
1256	Stock Appreciation Rights [member]	Member			agu:StockAppreciationRightsMember
1257	Performance Share Units [member]	Member			agu:PerformanceShareUnitsMember
1258	Restricted Share Units [Member]	Member			agu:RestrictedShareUnitsMember
1259	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1260	Number of share options outstanding in share-based payment arrangement	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
1261	Vesting period	Concept (Text/String)	For Period		ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1262	Unrecognized compensation expense	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1263	Awards settled in cash	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
1264	041001 - Disclosure - CASH FLOW INFORMATION - Cash and cash equivalents (Details)	Network	*	*	http://www.agrium.com/role/CASHFLOWINFORMATIONCashAndCashEquivalentsDetails
1265	Implied Table	Table	*	*	implied:Table
1266	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
1267	Cash and cash equivalents [abstract]	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
1268	Cash	Concept (Monetary)	As Of	Debit	ifrs-full:Cash
1269	Short-term investments (original maturity of three months or less)	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
1270	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1271	041002 - Disclosure - CASH FLOW INFORMATION - Net changes in non-cash operating working capital (Details)	Network	*	*	http://www.agrium.com/role/CASHFLOWINFORMATIONNetChangesInNoncashOperatingWorkingCapitalDetails
1272	Implied Table	Table	*	*	implied:Table
1273	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
1274	Adjustments to reconcile profit (loss) [abstract]	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
1275	Accounts receivable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
1276	Inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
1277	Prepaid expenses and deposits	Concept (Monetary)	For Period	Debit	agu:Adjustmentsfordecreaseincreaseinprepaidexpensesanddeposits
1278	Accounts payable	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
1279	Net changes in non-cash operating working capital	Concept (Monetary)	For Period	Debit	agu:NetChangesForNoncashWorkingCapitalOperatingActivities
1280	041101 - Disclosure - ACCOUNTS RECEIVABLE (Details)	Network	*	*	http://www.agrium.com/role/ACCOUNTSRECEIVABLEDetails
1281	Implied Table	Table	*	*	implied:Table
1282	Trade and other receivables [abstract]	Abstract			ifrs-full:TradeAndOtherReceivablesAbstract
1283	Trade accounts	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
1284	Allowance for doubtful accounts	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1285	Rebates	Concept (Monetary)	As Of	Debit	agu:AccountsReceivableRebates
1286	Other non-trade accounts	Concept (Monetary)	As Of	Debit	ifrs-full:OtherReceivables
1287	Derivative financial instruments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentDerivativeFinancialAssets
1288	Other taxes	Concept (Monetary)	As Of	Debit	ifrs-full:ReceivablesFromTaxesOtherThanIncomeTax
1289	Accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
1290	041102 - Disclosure - ACCOUNTS RECEIVABLE - Trade accounts receivable - aging (Details)	Network	*	*	http://www.agrium.com/role/ACCOUNTSRECEIVABLETradeAccountsReceivableAgingDetails
1291	Disclosure of provision matrix [table]	Table	*	*	ifrs-full:DisclosureOfProvisionMatrixTable
1292	Past due status [axis]	Axis			ifrs-full:PastDueStatusAxis
1293	Past due status [member]	Member			ifrs-full:PastDueStatusMember
1294	Current [member]	Member			ifrs-full:CurrentMember
1295	30 days or less [member]	Member			agu:LaterThanCurrentAndNotLaterThanOneMonthMember
1296	31-60 days [member]	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
1297	61-90 days [member]	Member			ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
1298	Later than three months [member]	Member			ifrs-full:LaterThanThreeMonthsMember
1299	Disclosure of provision matrix [line items]	LineItems			ifrs-full:DisclosureOfProvisionMatrixLineItems
1300	Trade accounts receivable - aging	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTradeReceivables
1301	Allowance for doubtful accounts	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1302	041103 - Disclosure - ACCOUNTS RECEIVABLE (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/ACCOUNTSRECEIVABLENarrativeDetails
1303	Disclosure Of Detailed Information About Borrowings [Table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1304	Borrowings By Name [Axis]	Axis			ifrs-full:BorrowingsByNameAxis
1305	Borrowings By Name [Member]	Member			ifrs-full:BorrowingsByNameMember
1306	Held by customers of financial institution [member]	Member			agu:HeldByCustomersOfFinancialInstitutionMember
1307	Disclosure Of Detailed Information About Borrowings [Line Items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1308	Percentage of entity's revenue	Concept (Percent)	For Period		ifrs-full:PercentageOfEntitysRevenue
1309	Information about major customers	Concept (Text/String)	For Period		ifrs-full:InformationAboutMajorCustomers
1310	Description of arrangement for contingent consideration arrangements and indemnification assets	Concept (Text/String)	For Period		ifrs-full:DescriptionOfArrangementForContingentConsiderationArrangementsAndIndemnificationAssets
1311	Outstanding customer credit	Concept (Monetary)	As Of	Credit	agu:OutstandingCustomerCredit
1312	041201 - Disclosure - INVENTORIES (Details)	Network	*	*	http://www.agrium.com/role/INVENTORIESDetails
1313	Implied Table	Table	*	*	implied:Table
1314	Classes of current inventories [abstract]	Abstract			ifrs-full:ClassesOfInventoriesAbstract
1315	Merchandise	Concept (Monetary)	As Of	Debit	ifrs-full:Merchandise
1316	Raw materials	Concept (Monetary)	As Of	Debit	ifrs-full:RawMaterials
1317	Finished goods	Concept (Monetary)	As Of	Debit	ifrs-full:FinishedGoods
1318	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
1319	041202 - Disclosure - INVENTORIES (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/INVENTORIESNarrativeDetails
1320	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1321	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1322	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1323	Level 3 of fair value hierarchy [member]	Member			ifrs-full:Level3OfFairValueHierarchyMember
1324	Biological assets by type [axis]	Axis			ifrs-full:BiologicalAssetsByTypeAxis
1325	Biological assets, type [member]	Member			ifrs-full:BiologicalAssetsTypeMember
1326	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1327	Inventories, at fair value less costs to sell	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesAtFairValueLessCostsToSell
1328	041301 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENTDetails
1329	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1330	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1331	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1332	Land [member]	Member			ifrs-full:LandMember
1333	Buildings and improvements [member]	Member			agu:BuildingsAndImprovementsMember
1334	Machinery and equipment [member]	Member			ifrs-full:MachineryMember
1335	Assets under construction [member]	Member			ifrs-full:ConstructionInProgressMember
1336	Other [member]	Member			ifrs-full:OtherPropertyPlantAndEquipmentMember
1337	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1338	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1339	Cost [member]	Member			ifrs-full:GrossCarryingAmountMember
1340	Accumulated depreciation, amortisation and impairment [member]	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1341	Accumulated depreciation [member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
1342	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1343	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1344	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1345	Business acquisitions	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1346	Depreciation	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1347	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
1348	Transfers	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
1349	Other adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
1350	Foreign currency translation	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1351	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1352	041302 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Depreciation of property, plant and equipment (Details)	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENTDepreciationOfPropertyPlantAndEquipmentDetails
1353	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1354	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1355	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1356	Earnings location [axis]	Axis			agu:EarningsByLocationAxis
1357	Earnings by location [member]	Member			agu:EarningsByLocationDomain
1358	Recorded in cost of product sold [member]	Member			agu:RecordedInCostOfSalesMember
1359	Selling [member]	Member			agu:SellingMember
1360	General and administrative [member]	Member			agu:GeneralAndAdministrativeMember
1361	Inventory [member]	Member			agu:InventoryMember
1362	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1363	Depreciation of property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1364	041303 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Turnaround costs included in machinery and equipment (Details)	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENTTurnaroundCostsIncludedInMachineryAndEquipmentDetails
1365	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1366	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1367	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1368	Cost [member]	Member			ifrs-full:GrossCarryingAmountMember
1369	Accumulated depreciation, amortisation and impairment [member]	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1370	Accumulated depreciation [member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
1371	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1372	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1373	Machinery, Temporarily Idle [Member]	Member			agu:MachineryTemporarilyIdleMember
1374	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1375	Turnaround costs included in machinery and equipment [abstract]	Abstract			agu:TurnaroundCostsIncludedInMachineryAndEquipmentAbstract
1376	Balance, beginning of year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle
1377	Depreciation	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1378	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1379	Retirements	Concept (Monetary)	For Period	Credit	ifrs-full:RetirementsPropertyPlantAndEquipment
1380	Other adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
1381	Balance, end of year	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle
1382	041304 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/PROPERTYPLANTANDEQUIPMENTNarrativeDetails
1383	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
1384	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
1385	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1386	Operating segments [member]	Member			ifrs-full:OperatingSegmentsMember
1387	Material reconciling items [member]	Member			ifrs-full:MaterialReconcilingItemsMember
1388	Other [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
1389	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
1390	Segments [Member]	Member			ifrs-full:SegmentsMember
1391	Wholesale segment [Member]	Member			agu:WholesaleSegmentMember
1392	Nitrogen segment [member]	Member			agu:NitrogenSegmentMember
1393	Potash segment [member]	Member			agu:PotashSegmentMember
1394	Various other segments [member]	Member			ifrs-full:AllOtherSegmentsMember
1395	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1396	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1397	Assets under construction [member]	Member			ifrs-full:ConstructionInProgressMember
1398	Types of contracts [axis]	Axis			ifrs-full:TypesOfContractsAxis
1399	Types of contracts [member]	Member			ifrs-full:TypesOfContractsMember
1400	Borger expansion [member]	Member			agu:BorgerExpansionMember
1401	Assets and liabilities classified as held for sale [axis]	Axis			ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1402	Assets and liabilities classified as held for sale [member]	Member			ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1403	Assets classified as held for sale [member]	Member			ifrs-full:NoncurrentAssetsHeldForSaleMember
1404	Project Axis [Axis]	Axis			agu:ProjectAxisAxis
1405	All Projects [Member]	Member			agu:AllProjectsMemberMemberDomain
1406	Brownfield [member]	Member			agu:BrownfieldMember
1407	Greenfield [member]	Member			agu:GreenfieldMember
1408	Disclosure of operating segments [line items]	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
1409	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1410	Transfers from assets under contruction	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
1411	041401 - Disclosure - INTANGIBLES AND GOODWILL (Details)	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILLDetails
1412	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1413	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1414	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1415	Brand names [member]	Member			ifrs-full:BrandNamesMember
1416	Customer relationships [member]	Member			ifrs-full:CustomerrelatedIntangibleAssetsMember
1417	Technology [member]	Member			ifrs-full:TechnologybasedIntangibleAssetsMember
1418	Other [member]	Member			ifrs-full:OtherIntangibleAssetsMember
1419	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1420	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1421	Gross carrying amount [member]	Member			ifrs-full:GrossCarryingAmountMember
1422	Accumulated depreciation, amortisation and impairment [member]	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1423	Accumulated depreciation and amortisation [member]	Member			ifrs-full:AccumulatedDepreciationAndAmortisationMember
1424	Accumulated impairment [member]	Member			ifrs-full:AccumulatedImpairmentMember
1425	Disclosure of detailed information about intangible assets [line items]	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
1426	Intagible assets other than goodwill [abstract]	Abstract			agu:IntangibleAssetsOtherThanGoodwillAbstract1
1427	Begining balance	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
1428	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1429	Business acquisitions	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill
1430	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
1431	Amortization	Concept (Monetary)	For Period		ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1432	Other adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill
1433	Foreign currency translation	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill
1434	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
1435	Goowill [abstract]	Abstract			ifrs-full:ChangesInGoodwillAbstract
1436	Begining Balance	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1437	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionalRecognitionGoodwill
1438	Other adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesGoodwill
1439	Foreign currency translation	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
1440	Ending Balance	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1441	041402 - Disclosure - INTANGIBLES AND GOODWILL - Amortization of finite-lived intangibles (Details)	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILLAmortizationOfFinitelivedIntangiblesDetails
1442	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1443	Earnings location [axis]	Axis			agu:EarningsByLocationAxis
1444	Earnings by location [member]	Member			agu:EarningsByLocationDomain
1445	Recorded in cost of product sold [member]	Member			agu:RecordedInCostOfSalesMember
1446	Selling [member]	Member			agu:SellingMember
1447	General and administrative [member]	Member			agu:GeneralAndAdministrativeMember
1448	Disclosure of detailed information about intangible assets [line items]	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
1449	Amortization of intangibles	Concept (Monetary)	For Period		ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1450	041403 - Disclosure - INTANGIBLES AND GOODWILL - Goodwill by cash generating unit (Details)	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILLGoodwillByCashGeneratingUnitDetails
1451	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1452	Methods of generation [axis]	Axis			ifrs-full:MethodsOfGenerationAxis
1453	Methods of generation [member]	Member			ifrs-full:MethodsOfGenerationMember
1454	Retail North America [member]	Member			agu:RetailNorthAmericaMember
1455	Retail Austrailia [member]	Member			agu:RetailAustrailiaMember
1456	Other [member]	Member			agu:OtherCashGeneratingUnitsMember
1457	Disclosure of detailed information about intangible assets [line items]	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
1458	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1459	041404 - Disclosure - INTANGIBLES AND GOODWILL (Narrative) (Details)	Network	*	*	http://www.agrium.com/role/INTANGIBLESANDGOODWILLNarrativeDetails
1460	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1461	Methods of generation [axis]	Axis			ifrs-full:MethodsOfGenerationAxis
1462	Methods of generation [member]	Member			ifrs-full:MethodsOfGenerationMember
1463	Retail North America [member]	Member			agu:RetailNorthAmericaMember
1464	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1465	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1466	Trade names [member]	Member			ifrs-full:BrandNamesMember
1467	Customer relationships [member]	Member			ifrs-full:CustomerrelatedIntangibleAssetsMember
1468	Disclosure of detailed information about intangible assets [line items]	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
1469	Intangible assets with indefinite useful life	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsWithIndefiniteUsefulLife
1470	Remaining amortisation period of intangible assets material to entity	Concept (Decimal)	As Of		ifrs-full:RemainingAmortisationPeriodOfIntangibleAssetsMaterialToEntity
1471	Discount rate applied to cash flow projections	Concept (Percent)	As Of		ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1472	Growth rate used to extrapolate cash flow projections	Concept (Percent)	As Of		ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
1473	041501 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES (Details)	Network	*	*	http://www.agrium.com/role/INVESTMENTSINASSOCIATESANDJOINTVENTURESDetails
1474	Disclosure of information about consolidated structured entities [table]	Table	*	*	ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable
1475	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1476	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1477	Misr Fertilizers Production Company S.A.E. [Member]	Member			agu:MisrFertilizersProductionCompanySaeMember
1478	Other associate [Member]	Member			agu:OtherAssociateMember
1479	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1480	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1481	Profertil S.A. [Member]	Member			agu:ProfertilSaMember
1482	Disclosure of financial information [line items]	LineItems			ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
1483	Reporting Period, associates	Concept (Date)	For Period		ifrs-full:DateOfEndOfReportingPeriodOfFinancialStatementsOfAssociate
1484	Ownership interest in associates	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1485	Principal place of business of associate	Concept (Text/String)	For Period		ifrs-full:PrincipalPlaceOfBusinessOfAssociate
1486	Investments in associates	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInAssociates
1487	Reporting Period, Joint Venture	Concept (Date)	For Period		ifrs-full:DateOfEndOfReportingPeriodOfFinancialStatementsOfJointVenture2013
1488	Ownership interest in Joint Venture	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointVenture
1489	Principal place of business of joint ventrues	Concept (Text/String)	For Period		ifrs-full:PrincipalPlaceOfBusinessOfJointVenture
1490	Investments in joint ventures	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
1491	Investments in associates and joint ventures	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
1492	041502 - Disclosure - INVESTMENTS IN ASSOCIATES (Details)	Network	*	*	http://www.agrium.com/role/INVESTMENTSINASSOCIATESDetails
1493	Disclosure of information about consolidated structured entities [table]	Table	*	*	ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable
1494	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1495	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1496	Misr Fertilizers Production Company S.A.E. [Member]	Member			agu:MisrFertilizersProductionCompanySaeMember
1497	Canpotex [Member]	Member			agu:CanpotexMember
1498	Agrifund, LLC and Ag Resource Holdings, Inc., Delaware limited [Member]	Member			agu:AgrifundLlcAndAgResourceHoldingsIncDelawareLimitedMember
1499	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1500	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
1501	The merger [member]	Member			ifrs-full:MajorBusinessCombinationMember
1502	Disclosure of financial information [line items]	LineItems			ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
1503	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1504	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1505	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1506	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
1507	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
1508	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1509	Net assets	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
1510	Proportionate ownership interest in MOPCO	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
1511	Dividend receivable	Concept (Monetary)	As Of	Debit	ifrs-full:NoncashAssetsDeclaredForDistributionToOwnersBeforeFinancialStatementsAuthorisedForIssue
1512	Unamortized purchase price adjustment	Concept (Monetary)	As Of	Debit	agu:UnamortizedPurchasePriceAdjustment
1513	Carrying amount of interest in MOPCO	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInAssociates
1514	Income statement [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
1515	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1516	Net earnings (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1517	Other comprehensive loss	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
1518	Comprehensive income (loss), net of tax	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1519	Proportionate share of MOPCO income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1520	Purchase price adjustment amortization	Concept (Monetary)	For Period	Debit	agu:PurchasePriceAdjustmentAmortization
1521	Earnings (loss) from MOPCO	Concept (Monetary)	For Period	Credit	agu:ProfitLossOfAssociatesNetOfPurchasePriceAdjustmentAmortization
1522	Proportionate share of MOPCO other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1523	Proportionate share of MOPCO total comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1524	Proportion Of Economic Interest In Associate	Concept (Percent)	As Of		agu:ProportionOfEconomicInterestInAssociate
1525	Proportion of ownership interest in associate	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1526	Dividends received from MOPCO	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceived
1527	Voting interest held in associate	Concept (Percent)	For Period		ifrs-full:ProportionOfVotingPowerHeldInAssociate
1528	041503 - Disclosure - INVESTMENTS IN JOINT VENTURES (Details)	Network	*	*	http://www.agrium.com/role/INVESTMENTSINJOINTVENTURESDetails
1529	Disclosure of information about consolidated structured entities [table]	Table	*	*	ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable
1530	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1531	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1532	Profertil S.A. [Member]	Member			agu:ProfertilSaMember
1533	Disclosure of financial information [line items]	LineItems			ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
1534	Ownership interest in Joint Venture	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointVenture
1535	Voting right in Joint Venture	Concept (Percent)	For Period		ifrs-full:ProportionOfVotingRightsHeldInJointVenture
1536	Balance sheet [Abstract]	Abstract			agu:BalanceSheetAbstract
1537	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1538	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1539	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1540	Current liabilities	Concept (Monetary)	As Of	Credit	agu:CurrentLiabilitiesJointVentures
1541	Non-current liabilities	Concept (Monetary)	As Of	Credit	agu:NonCurrentLiabilitiesJointVentures
1542	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1543	Net assets	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
1544	Proportionate share of net assets of Profertil	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
1545	Elimination of unrealized profit	Concept (Monetary)	As Of	Credit	agu:EliminationOfUnrealizedProfitJointVentureBalance
1546	Loans and accrued interest	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
1547	Carrying amount of interest in Profertil	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInJointVentures
1548	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1549	Current financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentFinancialLiabilities
1550	Noncurrent financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinancialLiabilities
1551	Income statement [Abstract]	Abstract			agu:IncomeStatementJointVentureAbstract
1552	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1553	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
1554	Interest expense	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpense
1555	Income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1556	Profit (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1557	Total comprehensive income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1558	Proportionate share of Profertil earnings (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod
1559	Elimination of unrealized profit	Concept (Monetary)	For Period	Debit	agu:EliminationOfUnrealizedProfitDuringReportingPeriod
1560	Dividend And Interest Received From Joint Ventures	Concept (Monetary)	For Period	Credit	agu:DevidendAndInterestReceivedFromJointVentures
1561	041504 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - Transactions (Details)	Network	*	*	http://www.agrium.com/role/INVESTMENTSINASSOCIATESANDJOINTVENTURESTransactionsDetails
1562	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1563	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
1564	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
1565	Misr Fertilizers Production Company S.A.E. [Member]	Member			agu:MisrFertilizersProductionCompanySaeMember
1566	Canpotex [Member]	Member			agu:CanpotexMember
1567	Profertil S.A. [Member]	Member			agu:ProfertilSaMember
1568	Disclosure of transactions between related parties [line items]	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1569	Related Party Transactions [Abstract]	Abstract			ifrs-full:RelatedPartyTransactionsAbstract
1570	Sales related party	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions
1571	Purchases related party	Concept (Monetary)	For Period	Debit	ifrs-full:PurchasesOfGoodsRelatedPartyTransactions
1572	Amounts receivable related party rransactions	Concept (Monetary)	As Of	Debit	ifrs-full:AmountsReceivableRelatedPartyTransactions
1573	Amounts owed to related party	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
1574	041601 - Disclosure - OTHER ASSETS (Details)	Network	*	*	http://www.agrium.com/role/OTHERASSETSDetails
1575	Disclosure Of Financial Instruments [Table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1576	Classes Of Financial Instruments [Axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1577	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1578	Marketable Securities [Member]	Member			agu:MarketableSecuritiesMember
1579	Reveivables	Member			agu:OtherReceivablesMember
1580	Derivative financial instruments [Member]	Member			agu:DerivativeFinancialInstrumentsMember
1581	U.S. Equity Securities [Member]	Member			agu:UsEquitySecuritiesMember
1582	U.S. Government Debt Securities [Member]	Member			agu:UsGovernmentDebtSecuritiesMember
1583	U.S. Corporate Debt Securities [Member]	Member			agu:UsCorporateDebtSecuritiesMember
1584	Disclosure Of Financial Instruments [Line Items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1585	Current assets [abstract]	Abstract			ifrs-full:CurrentAssetsAbstract
1586	Other financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentFinancialAssets
1587	Other non-financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentNonfinancialAssets
1588	Other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentAssets
1589	Percentage Of Total Marketable Securities	Concept (Percent)	As Of		agu:PercentageOfTotalMarketableSecurities
1590	Non current assets [Abstract]	Abstract			ifrs-full:NoncurrentAssetsAbstract
1591	Other financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentFinancialAssets
1592	Other non-financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNonfinancialAssets
1593	Other assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherAssets
1594	Interest rate	Concept (Percent)	As Of		agu:LoanReceivableInterestRate
1595	Unsecured term loan receivable annual repayment amount	Concept (Monetary)	As Of	Debit	agu:UnsecuredTermLoanReceivableAnnualRepaymentAmount
1596	041701 - Disclosure - DEBT (Details)	Network	*	*	http://www.agrium.com/role/DEBTDetails
1597	Disclosure Of Detailed Information About Borrowings [Table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1598	Borrowings By Name [Axis]	Axis			ifrs-full:BorrowingsByNameAxis
1599	Borrowings By Name [Member]	Member			ifrs-full:BorrowingsByNameMember
1600	Commerical paper [Member]	Member			agu:CommericalPaperMember
1601	Credit facilities [Member]	Member			agu:CreditFacilitiesMember
1602	Floating rate bank loans [Member]	Member			agu:FloatingRateBankLoansMember
1603	Fixed rate bank loans [Member]	Member			agu:FixedRateBankLoansMember
1604	7.7% debentures [Member]	Member			agu:DebenturesSevenPointSevenPercentMember
1605	6.75% debentures [Member]	Member			agu:DebenturesSixPointSeventyFivePercentMember
1606	3.15% debentures [Member]	Member			agu:DebenturesThreePointFifteenPercentMember
1607	3.5% debentures [Member]	Member			agu:DebenturesThreePointFivePercentMember
1608	3.375% debentures [Member]	Member			agu:DebenturesThreePointThreeHundredSeventyFivePercentMember
1609	7.8% debentures [Member]	Member			agu:DebenturesSevenPointEightPercentMember
1610	4.125% debentures [Member]	Member			agu:DebenturesFourPointOneHundredTwentyFivePercentMember
1611	7.125% debentures [Member]	Member			agu:DebenturesSevenPointOneHundreadTwentyFivePercentMember
1612	6.125% debentures [Member]	Member			agu:DebenturesSixPointOneHundredTwentyFivePercentMember
1613	4.9% debentures [Member]	Member			agu:DebenturesFourPointNinePercentMember
1614	5.25% debentures [Member]	Member			agu:DebenturesFivePointTwentyFivePercentMember
1615	Other [Member]	Member			agu:OtherDebenturesMember
1616	US Denominated debt [Member]	Member			agu:UsDenominatedDebtMember
1617	Euro-denominated debt [Member]	Member			agu:EuroDenominatedDebtMember
1618	Other debt [Member]	Member			agu:OtherDebtMember
1619	Multi-jurisdictional credit facility [Member]	Member			agu:MultiJurisdictionalCreditFacilityMember
1620	Disclosure Of Detailed Information About Borrowings [Line Items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1621	Current liabilities [abstract]	Abstract			ifrs-full:CurrentLiabilitiesAbstract
1622	Maturity date	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
1623	Interest rate (%)	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
1624	Short-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermBorrowings
1625	Non-current liabilities [abstract]	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
1626	Borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
1627	Unamortized transaction costs	Concept (Monetary)	As Of	Debit	agu:UnamortizedTransactionCostsRelatedToDebt
1628	Current portion of long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentPortionOfLongtermBorrowings
1629	Long-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
1630	Debt capacity available	Concept (Monetary)	As Of	Credit	agu:MaximumBorrowingCapacityAvailable
1631	041702 - Disclosure - DEBT - Capacity available (Details)	Network	*	*	http://www.agrium.com/role/DEBTCapacityAvailableDetails
1632	Disclosure Of Detailed Information About Borrowings [Table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1633	Borrowings By Name [Axis]	Axis			ifrs-full:BorrowingsByNameAxis
1634	Borrowings By Name [Member]	Member			ifrs-full:BorrowingsByNameMember
1635	Multi-jurisdictional credit facility [Member]	Member			agu:MultiJurisdictionalCreditFacilityMember
1636	European facilities [Member]	Member			agu:EuropeanFacilitiesMember
1637	South American facilities [Member]	Member			agu:SouthAmericanFacilitiesMember
1638	Australian facilities [Member]	Member			agu:AustralianFacilitiesMember
1639	Accounts receivable securitization [Member]	Member			agu:AccountsReceivableSecuritizationMember
1640	Disclosure Of Detailed Information About Borrowings [Line Items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1641	Debt capacity available	Concept (Monetary)	As Of	Credit	agu:MaximumBorrowingCapacityAvailable
1642	Short-term debt	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermBorrowings
1643	Letters of credit issued	Concept (Monetary)	As Of	Credit	agu:LetttersOfCredit
1644	Remaining debt capacity available	Concept (Monetary)	As Of	Credit	ifrs-full:UndrawnBorrowingFacilities
1645	041704 - Disclosure - DEBT - Continuity (Details)	Network	*	*	http://www.agrium.com/role/DEBTContinuityDetails
1646	Disclosure of reconciliation of liabilities arising from financing activities [table]	Table	*	*	agu:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable
1647	Liabilities arising from financing activities [axis]	Axis			agu:LiabilitiesArisingFromFinancingActivitiesAxis
1648	Liabilities arising from financing activities [member]	Member			agu:LiabilitiesArisingFromFinancingActivitiesMemberDomain
1649	Short-term borrowings [member]	Member			agu:ShorttermBorrowingsMember
1650	Long-term borrowings [member]	Member			agu:LongtermBorrowingsMember
1651	Disclosure of reconciliation of liabilities arising from financing activities [line items]	LineItems			agu:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems
1652	Liabilities arising from financing activities	Concept (Monetary)	As Of	Credit	agu:LiabilitiesArisingFromFinancingActivities
1653	Cash flows reported as financing activities	Concept (Monetary)	For Period	Credit	agu:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1654	Other adjustments	Concept (Monetary)	For Period	Credit	agu:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1655	Foreign currency translation	Concept (Monetary)	For Period	Credit	agu:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1656	Liabilities arising from financing activities	Concept (Monetary)	As Of	Credit	agu:LiabilitiesArisingFromFinancingActivities
1657	041801 - Disclosure - ACCOUNTS PAYABLE (Details)	Network	*	*	http://www.agrium.com/role/ACCOUNTSPAYABLEDetails
1658	Implied Table	Table	*	*	implied:Table
1659	Accounts Payable [Abstract]	Abstract			ifrs-full:TradeAndOtherCurrentPayablesAbstract
1660	Trade	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayablesToTradeSuppliers
1661	Customer prepayments	Concept (Monetary)	As Of	Credit	ifrs-full:DepositsFromCustomers
1662	Accrued liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentAccruedExpensesAndOtherCurrentLiabilities
1663	Other taxes	Concept (Monetary)	As Of	Credit	agu:TaxProvisionsOtherThanIncomeTax
1664	Accrued interest	Concept (Monetary)	As Of	Credit	ifrs-full:InterestPayable
1665	Dividends	Concept (Monetary)	As Of	Credit	ifrs-full:DividendsPayable
1666	Derivative financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
1667	Share-based payments	Concept (Monetary)	As Of	Credit	agu:ShareBasedCompensationPayables
1668	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
1669	041901 - Disclosure - OTHER PROVISIONS (Details)	Network	*	*	http://www.agrium.com/role/OTHERPROVISIONSDetails
1670	Other Provisions - beginning Additional provisions or changes in estimates Draw-downs Reversals Accretion Foreign currency translation Other Provisions - end Current portion Non-current portion Description of expected timing of outflows, other provisions Discount rate, obligations [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
1671	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
1672	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
1673	Environmental remediation [member]	Member			ifrs-full:OtherEnvironmentRelatedProvisionMember
1674	Provision for decommissioning, restoration and rehabilitation costs [member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1675	Litigation [Member]	Member			ifrs-full:LegalProceedingsProvisionMember
1676	Other provisions [member]	Member			ifrs-full:MiscellaneousOtherProvisionsMember
1677	Segments [Axis]	Axis			ifrs-full:SegmentsAxis
1678	Segments [Member]	Member			ifrs-full:SegmentsMember
1679	Conda Idaho phosphate facility [Member]	Member			agu:CondaIdahoPhosphateFacilityMember
1680	Redwater, Alberta facility [Member]	Member			agu:RedwaterAlbertaFacilityMember
1681	Range [axis]	Axis			ifrs-full:RangeAxis
1682	Ranges [member]	Member			ifrs-full:RangesMember
1683	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1684	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1685	Other Provisions [Line Items]	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
1686	Other Provisions - beginning	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1687	Additional provisions or changes in estimates	Concept (Monetary)	For Period	Credit	ifrs-full:AdditionalProvisionsOtherProvisions
1688	Draw-downs	Concept (Monetary)	For Period	Debit	ifrs-full:ProvisionUsedOtherProvisions
1689	Reversals	Concept (Monetary)	For Period	Debit	ifrs-full:UnusedProvisionReversedOtherProvisions
1690	Accretion	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTimeValueOfMoneyAdjustmentOtherProvisions
1691	Other adjustments	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
1692	Foreign currency translation	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1693	Other Provisions - ending	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1694	Current portion	Concept (Monetary)	As Of	Credit	ifrs-full:OtherShorttermProvisions
1695	Non-current portion	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLongtermProvisions
1696	Description of expected timing of outflows, other provisions	Concept (Text/String)	For Period		ifrs-full:DescriptionOfExpectedTimingOfOutflowsOtherProvisions
1697	Disount Rate Applied To Obligations Estimate	Concept (Percent)	As Of		agu:DisountRateAppliedToObligationsEstimate
1698	042001 - Disclosure - OTHER LIABILITIES (Details)	Network	*	*	http://www.agrium.com/role/OTHERLIABILITIESDetails
1699	Implied Table	Table	*	*	implied:Table
1700	Miscellaneous liabilities [abstract]	Abstract			ifrs-full:MiscellaneousLiabilitiesAbstract
1701	Derivative financial instruments	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
1702	Other	Concept (Monetary)	As Of	Credit	agu:OtherDebtInstruments
1703	Other financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentFinancialLiabilities
1704	Share-based payments	Concept (Monetary)	As Of	Credit	agu:NoncurrentSharebasedPaymentTransactionLiabilities
1705	Other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLiabilities
1706	042002 - Disclosure - DISCONTINUED OPERATIONS AND ASSETS HELD FOR SALE (Details)	Network	*	*	http://www.agrium.com/role/DISCONTINUEDOPERATIONSANDASSETSHELDFORSALEDetails
1707	Implied Table	Table	*	*	implied:Table
1708	Disclosure Of Noncurrent Assets Held For Sale And Discontinued Operations [abstract]	Abstract			agu:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsAbstract
1709	Description of non-current asset or disposal group held for sale which were sold or reclassified	Concept (Text/String)	For Period		ifrs-full:DescriptionOfNoncurrentAssetOrDisposalGroupHeldForSaleWhichWereSoldOrReclassified
1710	Operating information [abstract]	Abstract			agu:OperatingInformationAbstract
1711	Sales	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueDiscontinuedOperations
1712	Expenses	Concept (Monetary)	For Period	Debit	ifrs-full:ExpensesDiscontinuedOperations
1713	(Loss) earnings before income taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTaxDiscontinuedOperations
1714	Income tax recovery	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
1715	Earnings before measurement of assets held for sale	Concept (Monetary)	For Period	Credit	agu:EarningsBeforeMeasurementOfAssetsHeldForSale
1716	Loss on measurement of assets held for sale	Concept (Monetary)	For Period	Credit	ifrs-full:GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation
1717	Income tax recovery on loss on measurement of assets held for sale	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToGainLossOnDiscontinuance
1718	Net (loss) earnings from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent
1719	Cash flow information [abstract]	Abstract			ifrs-full:CashFlowsFromContinuingAndDiscontinuedOperationsAbstract
1720	Operating activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
1721	Investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations
1722	Cash used in discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations
1723	042101 - Disclosure - BUSINESS ACQUISITIONS (Details)	Network	*	*	http://www.agrium.com/role/BUSINESSACQUISITIONSDetails
1724	Disclosure Of Business Combinations [Table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
1725	Business Combinations [Axis]	Axis			ifrs-full:BusinessCombinationsAxis
1726	Entitys Total For Business Combinations [Member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
1727	Acquisitions 2017 [Member]	Member			agu:Acquisitions2017Member
1728	Acquisitions 2016 [Member]	Member			agu:Acquisitions2016Member
1729	Disclosure Of Business Combinations [Line Items]	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
1730	Number of farm centres	Concept (Integer)	As Of		agu:NumberOfFarmCentres
1731	Description of primary reasons for business combination	Concept (Text/String)	For Period		ifrs-full:DescriptionOfPrimaryReasonsForBusinessCombination
1732	Purchase consideration	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1733	Trade And Other Receivables Recognised As Of Acquisition Date	Concept (Monetary)	As Of	Debit	agu:TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate
1734	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:InventoryRecognisedAsOfAcquisitionDate
1735	Working Capital	Concept (Monetary)	As Of	Debit	agu:WorkingCapitalRecognisedAsOfAcquisitionDate
1736	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
1737	Intangibles	Concept (Monetary)	As Of	Debit	ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
1738	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1739	Other non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsRecognisedAsOfAcquisitionDate
1740	Deferred income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
1741	Total consideration	Concept (Monetary)	As Of	Debit	ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
1742	Sales from the date of acquisition	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueOfAcquiree
1743	Estimated sales if acquisitions occurred at the beginning of the year	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueOfCombinedEntity
1744	Net earnings (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossOfAcquiree
1745	Proforma net earnings	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossOfCombinedEntity
1746	042201 - Disclosure - COMMITMENTS - Operating leases (Details)	Network	*	*	http://www.agrium.com/role/COMMITMENTSOperatingLeasesDetails
1747	Disclosure of finance lease and operating lease by lessee [table]	Table	*	*	ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1748	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1749	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1750	Not later than one year [member]	Member			ifrs-full:NotLaterThanOneYearMember
1751	One to five years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1752	Later than five years [member]	Member			ifrs-full:LaterThanFiveYearsMember
1753	Disclosure Of Finance Lease And Operating Lease By Lessee [Line Items]	LineItems			ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1754	Future minimum lease payments for operating leases	Concept (Monetary)	As Of	Credit	ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1755	042202 - Disclosure - COMMITMENTS (Details)	Network	*	*	http://www.agrium.com/role/COMMITMENTSDetails
1756	Disclosure of finance lease and operating lease by lessee [table]	Table	*	*	ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1757	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1758	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1759	2018 [member]	Member			ifrs-full:NotLaterThanOneYearMember
1760	2019 [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1761	2020 [member]	Member			ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1762	2021 [member]	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1763	2022 [member]	Member			ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1764	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
1765	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
1766	Profertil [Member]	Member			agu:ProfertilMember
1767	Cash generating unit [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1768	Cash generating [member]	Member			ifrs-full:EntitysTotalForCashgeneratingUnitsMember
1769	Carseland facility [Member]	Member			agu:CarselandFacilityMember
1770	CPO [Member]	Member			agu:CpoMember
1771	Disclosure Of Finance Lease And Operating Lease By Lessee [Line Items]	LineItems			ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1772	Operating commitment [abstract]	Abstract			agu:OperatingCommitmentAbstract
1773	Long-term debt - interest	Concept (Monetary)	As Of	Credit	agu:LongTermDebtInterestObligations
1774	Natural gas and other	Concept (Monetary)	As Of	Credit	agu:ContractualAgreementToPurchaseNaturalGas
1775	Power, sulfuric acid and other	Concept (Monetary)	As Of	Credit	agu:ContractualAgreementToPurchasePowerSulfuricAcidAndOther
1776	Purchase commitments	Concept (Monetary)	As Of	Credit	agu:OtherContractualPurchaseAgreements
1777	Derivative Financial Instruments - Foreign exchange	Concept (Monetary)	As Of	Credit	agu:DerivativeFinancialInstrumentsContractForeignExchange
1778	Derivative Financial Instruments - Natural gas	Concept (Monetary)	As Of	Credit	agu:DerivativeFinancialInstrumentsContractNaturalGas
1779	Other operating commitments	Concept (Monetary)	As Of	Credit	agu:OtherOperatingCommitments
1780	Total operating commitments	Concept (Monetary)	As Of	Credit	agu:ContractualOperatingCommitments
1781	Capital Commitments [Abstract]	Abstract			ifrs-full:CapitalCommitmentsAbstract
1782	Long-term debt - principal repayments	Concept (Monetary)	As Of	Credit	agu:NoncurrentBorrowingsPrincipalObligations
1783	Asset retirement obligations	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermProvisionForDecommissioningRestorationAndRehabilitationCosts
1784	Environmental remediation liabilities	Concept (Monetary)	As Of	Credit	agu:LongtermProvisionForEnvironmentRemediationCosts
1785	Contractual capital commitments	Concept (Monetary)	As Of	Credit	ifrs-full:ContractualCapitalCommitments
1786	Operating and capital contractual commitments	Concept (Monetary)	As Of	Credit	agu:OperatingAndCapitalContractualCommitments
1787	Contract expiry date	Concept (Date)	For Period		agu:ContractExpiryDate
1788	Gas contracts as a percent of total requirement	Concept (Percent)	As Of		agu:GasContractPercentageOfGasRequirement
1789	Percentage of gas supplied	Concept (Percent)	As Of		agu:PercentageOfGasSupplied
1790	Description of commitment to purchase power supply.	Concept (Text/String)	For Period		agu:DescriptionToPurchasePowerSupply
1791	Maximum commitment to purchase megawatt-hours of power per hour	Concept (num:energyItemType)	As Of		agu:MaximumCommitmentToPurchaseAmountOfPowerSupply
1792	Minimum commitment to purchase phosphate rock supply	Concept (num:weightItemType)	As Of		agu:MinimumCommitmentToPurchasePhosphateRockSupply
1793	Phosphate rock supply contract commitment	Concept (Monetary)	As Of	Credit	agu:PhosphateRockSupplyContractCommitment
1794	Future capital expenditure	Concept (Monetary)	As Of	Credit	ifrs-full:CapitalCommitments
1795	Percent of the ammonia requirements	Concept (Percent)	As Of		agu:PercentOfTheAmmoniaRequirements
1796	Percent of the monoammonium phosphate	Concept (Percent)	As Of		agu:PercentOfTheMonoammoniumPhosphate
1797	Production of monoammonium phosphate	Concept (num:weightItemType)	For Period		agu:ProductionOfMonoammoniumPhosphate
1798	042301 - Disclosure - CONTINGENT LIABILITIES (Details)	Network	*	*	http://www.agrium.com/role/CONTINGENTLIABILITIESDetails
1799	Implied Table	Table	*	*	implied:Table
1800	Disclosure of contingent liabilities [abstract]	Abstract			ifrs-full:DisclosureOfContingentLiabilitiesAbstract
1801	Manitoba mining properties, reason for non-disclosure	Concept (Text/String)	For Period		ifrs-full:ExplanationOfReasonForNondisclosureOfInformationRegardingContingentLiability
1802	042401 - Disclosure - ACCOUNTING POLICIES, JUDGMENTS, ASSUMPTIONS AND ESTIMATES (Narrative (Details)	Network	*	*	http://www.agrium.com/role/ACCOUNTINGPOLICIESJUDGMENTSASSUMPTIONSANDESTIMATESNarrativeDetails
1803	Disclosure of detailed information about accounting policies [table]	Table	*	*	agu:DisclosureOfDetailedInformationAboutAccountingPoliciesTable
1804	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1805	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1806	Buildings and improvements [member]	Member			agu:BuildingsAndImprovementsMember
1807	Machinery and equipment [member]	Member			ifrs-full:MachineryMember
1808	Other [member]	Member			ifrs-full:OtherPropertyPlantAndEquipmentMember
1809	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1810	Intangible assets other than goodwill [member]	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1811	Trade names [member]	Member			ifrs-full:BrandNamesMember
1812	Customer relationships [member]	Member			ifrs-full:CustomerrelatedIntangibleAssetsMember
1813	Technology [member]	Member			ifrs-full:TechnologybasedIntangibleAssetsMember
1814	Other [member]	Member			ifrs-full:OtherIntangibleAssetsMember
1815	Disclosure of accounting policies [line items]	LineItems			agu:DisclosureOfAccountingPoliciesLineItems
1816	Useful lives or depreciation rates, property, plant and equipment	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
1817	Useful lives or amortisation rates, intangible assets other than goodwill	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill