Deutsche Bank Aktiengesellschaft (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 00000 - Document - Document and Entity information Network

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 http://www.db.com/role/dei
2 Implied Table Table

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 implied:Table
3 Document and Entity Information [Abstract] Abstract db:DocumentAndEntityInformationAbstract
4 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
5 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
6 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
7 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
8 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
9 Entity Well Know Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
10 Document Type Concept (Submission Type) For Period dei:DocumentType
11 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
12 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
13 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
14 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
15 Amendment Description Concept (Text/String) For Period dei:AmendmentDescription
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
18 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
19 00001 - Statement - Consolidated Statement of Income Network

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 http://www.db.com/role/ConsolidatedStatementOfIncome
20 Consolidated Statement of Income [Table] Table

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 db:ConsolidatedStatementOfIncomeTable
21 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
22 Consolidated legal entity [Domain Member] Member dei:EntityDomain
23 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
24 Consolidated Statement of Income [Line Items] LineItems db:ConsolidatedStatementOfIncomeLineItems
25 Interest and similar income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
26 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
27 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
28 Provision for credit losses Concept (Monetary) For Period Debit db:ProvisionForCreditLosses
29 Net interest income after provision for credit losses Concept (Monetary) For Period Credit db:NetInterestIncomeAfterProvisionForCreditLosses
30 Commissions and fee income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
31 Net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
32 Net gains (losses) on financial assets at amortized cost Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsAtAmortisedCost
33 Net gains (losses) on financial assets at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
34 Net gains (losses) on financial assets available for sale Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets
35 Net income (loss) from equity method investments Concept (Monetary) For Period Credit db:NetIncomeLossFromEquityMethodInvestments
36 Other income (loss) Concept (Monetary) For Period Credit db:OtherIncomeLoss
37 Total noninterest income Concept (Monetary) For Period Credit db:TotalNoninterestIncome
38 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
39 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
40 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
41 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
42 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
43 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
44 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
45 Income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
46 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
47 Net income (loss) attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
48 Net income (loss) attributable to Deutsche Bank shareholders and additional equity components Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
49 00001 - Statement - Consolidated Statement of Income (Parenthetical) Network

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 http://www.db.com/role/ConsolidatedStatementOfIncomeTextValues
50 Implied Table Table

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 implied:Table
51 Consolidated Statement of Income [Abstract] Abstract db:ConsolidatedStatementofIncomeAbstract
52 Interest and similar income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
53 of which: based on effective interest method Concept (Monetary) For Period db:ThereofCalculatedBasedOnTheEffectiveInterestRateMethod
54 00002 - Statement - Earnings per Common Share Network

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 http://www.db.com/role/EarningsPerCommonShare
55 Earnings per Common Share [Table] Table

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 db:EarningsPerCommonShareTable
56 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
57 Consolidated legal entity [Domain Member] Member dei:EntityDomain
58 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
59 Earnings per Common Share [Line Items] LineItems db:EarningsPerCommonShareLineItems
60 Earnings per share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
61 Basic Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
62 Diluted Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
63 Number of shares in million [Abstract] Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
64 Denominator for basic earnings per share, weighted-average shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
65 Denominator for diluted earnings per share, adjusted weighted-average shares after assumed conversions Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
66 00002 - Statement - Earnings per Common Share (Parenthetical) Network

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 http://www.db.com/role/EarningsPerCommonShareTextValues
67 Implied Table Table

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 implied:Table
68 Earnings per Common Share [Abstract] Abstract db:EarningsPerCommonShareAbstract
69 Earnings adjustment for coupons paid on Additional Tier 1 Notes in April, net of tax Concept (Monetary) For Period Credit db:EarningsAdjustmentForCouponsPaidOnAdditionalTier1NotesNetOfTax
70 Increase in number of adjusted weighted average shares after assumed convertion of potentially dilutive shares under a net income situation (in shares) Concept (Shares) For Period db:IncreaseInNumberOfAdjustedWeightedAverageSharesAfterAssumedConvertionOfPotentiallyDilutiveSharesUnderANetIncomeSituationInMillionShares
71 00003 - Statement - Consolidated Statement of Comprehensive Income Network

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 http://www.db.com/role/ConsolidatedStatementOfComprehensiveIncome
72 Consolidated Statement of Comprehensive Income [Table] Table

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 db:ConsolidatedStatementOfComprehensiveIncomeTable
73 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
74 Consolidated legal entity [Domain Member] Member dei:EntityDomain
75 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
76 Consolidated Statement of Comprehensive Income [Member] Member db:ConsolidatedStatementOfComprehensiveIncomeMember
77 Consolidated Statement of Comprehensive Income [Line Items] LineItems db:ConsolidatedStatementOfComprehensiveIncomeLineItems
78 Net income (loss) recognized in the income statement Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
79 Other comprehensive income [Abstract] Abstract ifrs-full:OtherComprehensiveIncomeAbstract
80 Items that will not be reclassified to profit or loss [Abstract] Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract
81 Remeasurement gains (losses) related to defined benefit plans, before tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
82 Net fair value gains (losses) attributable to credit risk related to financial liabilities designated as at fair value through profit or loss, before tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
83 Net fair value gains (losses) related to equity instruments designated at fair value through other comprehensive income, before tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments
84 Total of income tax related to items that will not be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
85 Items that are or may be reclassified to profit or loss [Abstract] Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract
86 Financial assets available for sale [Abstract] Abstract ifrs-full:AvailableforsaleFinancialAssetsAbstract
87 Unrealized net gains (losses) arising during the period, before tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
88 Realized net (gains) losses arising during the period (reclassified to profit or loss), before tax Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsBeforeTax
89 Financial assets mandatory at fair value through other comprehensive income [Abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
90 Unrealized net gains (losses) arising during the period, before tax Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
91 Realized net (gains) losses arising during the period (reclassified to profit or loss), before tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
92 Derivatives hedging variability of cash flows [Abstract] Abstract ifrs-full:CashFlowHedgesAbstract
93 Unrealized net gains (losses) arising during the period, before tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
94 Realized net (gains) losses arising during the period (reclassified to profit or loss), before tax Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax
95 Assets classified as held for sale [Abstract] Abstract db:AssetsClassifiedAsHeldForSaleAbstract
96 Unrealized net gains (losses) arising during the period, before tax Concept (Monetary) For Period Credit db:UnrealizedNetGainsLossesArisingDuringThePeriodBeforeTax
97 Realized net (gains) losses arising during the period (reclassified to profit or loss), before tax Concept (Monetary) For Period Debit db:RealizedNetGainsLossesArisingDuringThePeriodReclassifiedToProfitOrLossBeforeTax
98 Foreign currency translation [Abstract] Abstract ifrs-full:ExchangeDifferencesOnTranslationAbstract
99 Unrealized net gains (losses) arising during the period, before tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
100 Realized net (gains) losses arising during the period (reclassified to profit or loss), before tax Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationBeforeTax
101 Equity Method Investments [Abstract] Abstract db:EquityMethodInvestmentsAbstract
102 Net gains (losses) arising during the period Concept (Monetary) For Period Credit db:NetGainsLossesArisingDuringThePeriod
103 Total of income tax related to items that are or may be reclassified to profit or loss Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
104 Other comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
105 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
106 Attributable to [Abstract] Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
107 Noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
108 Deutsche Bank shareholders and additional equity components Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
109 00004 - Statement - Consolidated Balance Sheet Network

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 http://www.db.com/role/ConsolidatedBalanceSheet
110 Consolidated Balance Sheet [Table] Table

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 db:ConsolidatedBalanceSheetTable
111 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
112 Consolidated legal entity [Domain Member] Member dei:EntityDomain
113 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
114 Consolidated Balance Sheet [Line Items] LineItems db:ConsolidatedBalanceSheetLineItems
115 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
116 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
117 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
118 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
119 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
120 Financial assets at fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
121 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
122 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
123 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
124 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
125 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
126 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
127 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
128 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
129 Loans at amortized cost Concept (Monetary) As Of Debit db:Loans
130 Securities held to maturity Concept (Monetary) As Of Debit db:SecuritiesHeldToMaturity
131 Property and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
132 Goodwill and other intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
133 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
134 Assets for current tax Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
135 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
136 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
137 Liabilities and equity [Abstract] Abstract ifrs-full:EquityAndLiabilitiesAbstract
138 Deposits Concept (Monetary) As Of Credit db:Deposits
139 Central bank funds purchased and securities sold under repurchase agreements Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUunderRepurchaseAgreements
140 Securities loaned Concept (Monetary) As Of Credit db:SecuritiesLoaned
141 Financial liabilities at fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract
142 Trading liabilities Concept (Monetary) As Of Credit db:TradingLiabilities
143 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
144 Financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
145 Investment contract liabilities Concept (Monetary) As Of Credit ifrs-full:InvestmentContractsLiabilities
146 Total financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
147 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
148 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
149 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
150 Liabilities for current tax Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
151 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
152 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
153 Trust preferred securities Concept (Monetary) As Of Credit db:TrustPreferredSecurities
154 Obligation to purchase common shares Concept (Monetary) As Of Credit db:ObligationToPurchaseCommonShares
155 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
156 Common shares, no par value, nominal value of EUR 2.56 Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
157 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
158 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
159 Common shares in treasury, at cost Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
160 Equity classified as obligation to purchase common shares Concept (Monetary) As Of Credit db:EquityClassifiedAsObligationToPurchaseCommonShares
161 Accumulated other comprehensive income (loss), net of tax Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
162 Total shareholders equity Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
163 Additional equity components Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
164 Noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
165 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
166 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
167 00004 - Statement - Consolidated Balance Sheet (Parenthetical) Network

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 http://www.db.com/role/ConsolidatedBalanceSheetTextValues
168 Implied Table Table

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 implied:Table
169 Consolidated Balance Sheet [Abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
170 Nominal value of Common shares, no par value Concept (Monetary) For Period db:NominalValueOfCommonSharesNoParValue
171 00005 - Statement - Consolidated Statement of Changes in Equity Network

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 http://www.db.com/role/ConsolidatedStatementOfChangesInEquity
172 Consolidated Statement of Changes in Equity [Table] Table

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 ifrs-full:StatementOfChangesInEquityTable
173 Consolidated Statement of Changes in Equity [Axis] Axis ifrs-full:ComponentsOfEquityAxis
174 Total equity [Member] Member db:TotalEquityMember
175 Common shares (no par value) [Member] Member db:CommonSharesNoParValueMember
176 Additional paid-in capital [Member] Member ifrs-full:AdditionalPaidinCapitalMember
177 Retained earnings [Member] Member ifrs-full:RetainedEarningsMember
178 Common shares in treasury, at cost [Member] Member db:CommonSharesInTreasuryAtCostMember
179 Equity classified as obligation to purchase common shares [Member] Member db:EquityClassifiedAsObligationToPurchaseCommonSharesMember
180 Unrealized net gains (losses) on financial assets available for sale, net of applicable tax and other [Member] Member db:UnrealizedNetGainsLossesOnFinancialAssetsAvailableForSaleNetOfApplicableTaxAndOtherMember
181 Unrealized net gains (losses) on financial assets at FVOCI, net of tax and other Member ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
182 Unrealized net gains (losses) Attributable to change in own credit risk of financial liabilities designated at FVTPL, net of tax Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
183 Unrealized net gains (losses) on derivatives hedging variability of cash flows, net of tax [Member] Member db:UnrealizedNetGainsLossesOnDerivativesHedgingVariabilityOfCashFlowsNetOfTaxMember
184 Unrealized net gains (losses) on assets classified as held for sale, net of tax [Member] Member db:UnrealizedNetGainsLossesOnAssetsClassifiedAsHeldForSaleNetOfTaxMember
185 Foreign currency translation, net of tax [Member] Member db:ForeignCurrencyTranslationNetOfTaxMember
186 Unrealized net gains (losses) from equity method investments [Member] Member db:UnrealizedNetGainsLossesFromEquityMethodInvestmentsMember
187 Accumulated other comprehensive income, net of tax [Member] Member db:AccumulatedOtherComprehensiveIncomeNnetOfTaxMember
188 Total shareholders equity [Member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
189 Additional equity components [Member] Member db:AdditionalEquityComponentsMember
190 Noncontrolling interests [Member] Member ifrs-full:NoncontrollingInterestsMember
191 Consolidated Statement of Changes in Equity [Line Items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
192 Equity, Balance Concept (Monetary) As Of Credit ifrs-full:Equity
193 Balance (IFRS 9) as of Concept (Monetary) As Of Credit db:BalanceasofEquityIFRS9
194 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit db:ComprehensiveIncomeExcludingRemeasurementReleatedToDefinedBenefitPlans
195 Gains (losses) attributable to equity instruments designated as at fair value through other comprehensive income, net of tax Concept (Monetary) As Of db:GainsLossesAttributableToEquityInstrumentsDesignatedAsAtFairValueThroughOtherComprehensiveIncomeNetOfTax
196 Gains (losses) upon early extinguishment attributable to change in own credit risk of financial liabilities designated as at fair value through profit and loss, net of tax Concept (Monetary) As Of db:GainsLossesUponEarlyExtinguishmentAttributableToChangeInOwnCreditRiskOfFinancialLiabilitiesDesignatedAsAtFairValueThroughProfitAndLossNetOfTax
197 Common shares issued Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
198 Cash dividends paid Concept (Monetary) For Period Debit db:CashDividendsPaid
199 Coupon on additional equity components, net of tax Concept (Monetary) For Period Credit db:CouponOnAdditionalEquityComponentsNetOfTax
200 Remeasurement gains (losses) related to defined benefit plans, net of tax Concept (Monetary) For Period Credit db:RemeasurementGainsLossesRelatedToDefinedBenefitPlansNetOfTax
201 Net change in share awards in the reporting period Concept (Monetary) For Period Credit db:NetChangeInShareAwardsInTheReportingPeriod
202 Treasury shares distributed under share-based compensation plans Concept (Monetary) For Period Credit db:TreasurySharesDistributedUnderShareBasedCompensationPlans
203 Tax benefits related to share-based compensation plans Concept (Monetary) For Period Debit ifrs-full:DecreaseIncreaseThroughTaxOnSharebasedPaymentTransactions
204 Additions to Equity classified as obligation to purchase common shares Concept (Monetary) For Period Credit db:AdditionsToEquityClassifiedAsObligationToPurchaseCommonShares
205 Deductions from Equity classified as obligation to purchase common shares Concept (Monetary) For Period Credit db:DeductionsFromEquityClassifiedAsObligationToPurchaseCommonShares
206 Option premiums and other effects from options on common shares Concept (Monetary) For Period Credit db:OptionPremiumsAndOtherEffectsFromOptionsOnCommonShares
207 Purchases of treasury shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
208 Sale of treasury shares Concept (Monetary) For Period Credit ifrs-full:SaleOrIssueOfTreasuryShares
209 Net gains (losses) on treasury shares sold Concept (Monetary) For Period Credit db:NetGainsLossesOnTreasurySharesSold
210 Other Concept (Monetary) For Period Credit db:OtherConsolidatedStatementOfChangesInEquity
211 Equity, Balance Concept (Monetary) As Of Credit ifrs-full:Equity
212 Balance (IAS 39) as of December 31, 2017 Concept (Monetary) As Of Credit db:BalanceAsOfEquityIAS39
213 IFRS 9 Introduction Impact Concept (Monetary) As Of db:IFRS9IntroductionImpact
214 00006 - Statement - Consolidated Statement of Cash Flows Network

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 http://www.db.com/role/ConsolidatedStatementOfCashFlows
215 Consolidated Statement of Cash Flows [Table] Table

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 db:ConsolidatedStatementOfCashFlowsTable
216 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
217 Consolidated legal entity [Domain Member] Member dei:EntityDomain
218 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
219 Consolidated Statement of Cash Flows [Line Items] LineItems db:ConsolidatedStatementOfCashFlowsLineItems
220 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
221 Cash flows from operating activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
222 Adjustments to reconcile net income to net cash provided by (used in) operating activities [Abstract] Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
223 Provision for credit losses Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
224 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
225 Gain on sale of financial assets available for sale and securities held to maturity Concept (Monetary) For Period Credit db:GainOnSaleOfFinancialAssetsAvailableForSaleAndSecuritiesHeldToMaturity
226 Gain on sale of financial assets at fair value through other comprehensive income, equity method investments and other Concept (Monetary) For Period Credit db:GainOnSaleOfFinancialAssetsatFairValueThroughOtherComprehensiveIncomeEquityMethodInvestmentsAndOther
227 Deferred income taxes, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
228 Impairment, depreciation and other amortization, and accretion Concept (Monetary) For Period Debit db:ImpairmentDepreciationAndOtherAmortizationAndAccretion
229 Share of net income from equity method investments Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod
230 Income (loss) adjusted for noncash charges, credits and other items Concept (Monetary) For Period Credit db:IncomeLossAadjustedForNonCashCargesCcreditsAndOtherItems
231 Adjustments for net change in operating assets and liabilities [Abstract] Abstract db:AdjustmentsForNetChangeInOperatingAssetsAndLiabilitiesAbstract
232 Interest-earning time deposits with central banks and banks Concept (Monetary) For Period Credit db:NetChangeInInterestEarningTimeDepositsWithCentralBanksAndBanks
233 Central bank funds sold, securities purchased under resale agreements, securities borrowed Concept (Monetary) For Period Credit db:NetChangeInCentralBankFundsSoldSecuritiesPurchasedUnderResaleAgreementsSecuritiesBorrowed
234 Non-Trading financial assets mandatory at fair value through profit and loss Concept (Monetary) For Period Credit db:NonTradingFinancialAssetsMandatoryAtFairValueThrougPprofitAndLoss
235 Financial assets designated at fair value through profit or loss Concept (Monetary) For Period Credit db:NetChangeInFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss
236 Loans at amortized cost Concept (Monetary) For Period Credit db:NetChangeInLoansAtAmortizedCost
237 Other assets Concept (Monetary) For Period Credit db:NetChangeInOtherAssets
238 Deposits Concept (Monetary) For Period Credit db:NetChangeInDeposits
239 Financial liabilities designated at fair value through profit or loss and investment contract liabilities Concept (Monetary) For Period Credit db:NetChangeInFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossAndInvestmentContractLiabilities
240 Central bank funds purchased, securities sold under repurchase agreements, securities loaned Concept (Monetary) For Period Credit db:NetChangeInCentralBankFundsPurchasedSecuritiesSoldUnderRepurchaseAgreementsSecuritiesLoaned
241 Other short-term borrowings Concept (Monetary) For Period Credit db:NetChangeInOtherShortTermBorrowings
242 Other liabilities Concept (Monetary) For Period Credit db:NetChangeInOtherLiabilities
243 Senior long-term debt Concept (Monetary) For Period Credit db:NetChangeInSeniorLongTermDebt
244 Trading assets and liabilities, positive and negative market values from derivative financial instruments, net Concept (Monetary) For Period Credit db:NetChangeInTradingAssetsAndLiabilitiesPositiveAndNegativeMarketValuesFromDerivativeFinancialInstrumentsNet
245 Other, net Concept (Monetary) For Period Credit db:NetChangeInOtherNet
246 Net cash provided by (used in) operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
247 Cash flows from investing activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
248 Proceeds from [Abstract] Abstract db:ProceedsFromAbstract
249 Sale of financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:ProceedsFromSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
250 Maturities of financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
251 Sale of debt securities held to collect at AC Concept (Monetary) For Period Debit db:ProceedsFromSaleOfDebtSecuritiesHeldToCollectAtAC
252 Maturities of debt securities held to collect at AC Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfDebtSecuritiesHeldToCollectAtAC
253 Sale of financial assets available for sale Concept (Monetary) For Period Debit db:ProceedsFromSaleOfFinancialAssetsAvailableForSale
254 Maturities of financial assets available for sale Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfFinancialAssetsAvailableForSale
255 Maturities of securities held to maturity Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfSecuritiesHeldToMaturity
256 Sale of equity method investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod
257 Sale of property and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
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259 Financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
260 Debt Securities held to collect at amortized cost Concept (Monetary) For Period Debit db:PurchaseOfDebtSecuritieshtcAtAC
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263 Equity method investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod
264 Property and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
265 Net cash received in (paid for) business combinations/divestitures Concept (Monetary) For Period Debit db:NetCashReceivedInPaidForBusinessCombinationsDivestitures
266 Other, net Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
267 Net cash provided by (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
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269 Issuances of subordinated long-term debt Concept (Monetary) For Period Debit db:IssuancesOfSubordinatedLongTermDebt
270 Repayments and extinguishments of subordinated long-term debt Concept (Monetary) For Period Credit db:RepaymentsAndExtinguishmentsOfSubordinatedLongTermDebt
271 Issuances of trust preferred securities Concept (Monetary) For Period Debit db:IssuancesOfTrustPreferredSecurities
272 Repayments and extinguishments of trust preferred securities Concept (Monetary) For Period Debit db:RepaymentsAndExtinguishmentsOfTrustPreferredSecurities
273 Common shares issued Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
274 Purchases of treasury shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
275 Sale of treasury shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSaleOrIssueOfTreasuryShares
276 Additional Equity Components (AT1) issued Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingOtherEquityInstruments
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278 Sale of Additional Equity Components (AT1) Concept (Monetary) For Period Debit db:SaleOfAdditionalEquityComponentsAT1
279 Coupon on additional equity components, pre tax Concept (Monetary) For Period Credit db:CouponOnAdditionalEquityComponentsPreTax
280 Dividends paid to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
281 Net change in noncontrolling interests Concept (Monetary) For Period Debit db:NetChangeInNoncontrollingInterests
282 Cash dividends paid to Deutsche Bank shareholders Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
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284 Net cash provided by (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
285 Net effect of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
286 Net increase (decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
287 Cash and cash equivalents at beginning of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
288 Cash and cash equivalents at end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
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290 Income taxes paid (received), net Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
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293 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
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296 Cash and central bank balances (not included Interest-earning time deposits with central banks) Concept (Monetary) For Period Debit db:CashAndCentralBankBalancesNotIncludedInterestEarningTimeDepositsWithCentralBanks
297 Interbank balances (w/o central banks) Concept (Monetary) For Period Debit db:InterbankBalancesWOCentralBanksNotIncludedTimeDepositsWithBanks
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304 thereof: Repayments and extinguishments Concept (Monetary) For Period db:ThereofRepaymentsAndExtinguishments
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308 Total non-cash changes for Subordinated Long Term Debt Concept (Monetary) For Period db:NonCashChangesForSubordinatedLongTermDebt
309 thereof: Driven by FX movements Concept (Monetary) For Period db:ThereofDrivenByFXMovements
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502 Risk Management [text block] Concept (Text Block (HTML)) For Period db:RiskExplanatory
503 Risk Identification and Assessment [text block] Concept (Text Block (HTML)) For Period db:RiskIdentificationAndAssessmentExplanatory
504 Credit Risk Management [Abstract] Abstract db:CreditRiskManagementAbstract
505 Credit Risk Framework [text block] Concept (Text Block (HTML)) For Period db:CreditRiskFrameworkExplanatory
506 Measuring Credit Risk [text block] Concept (Text Block (HTML)) For Period db:MeasuringCreditRiskExplanatory
507 Measuring credit risk paragraph 1 [text block] Concept (Text Block (HTML)) For Period db:MeasuringCreditRiskParagraph1Explanatory
508 Measuring credit risk paragraph 2 [text block] Concept (Text Block (HTML)) For Period db:MeasuringCreditRiskParagraph2Explanatory
509 Managing and Mitigation of credit risk [text block] Concept (Text Block (HTML)) For Period db:ManagingAndMitigationOfCreditRiskExplanatory
510 Managing and Mitigation of credit risk paragraph 1 [text block] Concept (Text Block (HTML)) For Period db:ManagingAndMitigationOfCreditRiskParahraph1Explanatory
511 Managing and Mitigation of credit risk paragraph 2 [text block] Concept (Text Block (HTML)) For Period db:ManagingAndMitigationOfCreditRiskParahraph2Explanatory
512 Managing and Mitigation of credit risk paragraph 3 [text block] Concept (Text Block (HTML)) For Period db:ManagingAndMitigationOfCreditRiskParahraph3Explanatory
513 Managing and Mitigation of credit risk paragraph 4 [text block] Concept (Text Block (HTML)) For Period db:ManagingAndMitigationOfCreditRiskParahraph4Explanatory
514 Market Risk Management [Abstract] Abstract db:MarketRiskManagementAbstract
515 Market Risk Framework [text block] Concept (Text Block (HTML)) For Period db:MarketRiskFrameworkExplanatory
516 Trading Market Risk [text block] Concept (Text Block (HTML)) For Period db:TradingMarketExplanatory
517 Value-at-Risk [text block] Concept (Text Block (HTML)) For Period db:ValueAtRiskExplanatory
518 Stressed Value-at-Risk [text block] Concept (Text Block (HTML)) For Period db:StressedValueAtRiskExplanatory
519 Incremental Risk Charge [text block] Concept (Text Block (HTML)) For Period db:IncrementalRiskChargeExplanatory
520 Comprehensive Risk Measure [text block] Concept (Text Block (HTML)) For Period db:ComprehensiveRiskMeasureExplanatory
521 Nontrading Market Risk [text block] Concept (Text Block (HTML)) For Period db:NontradingMarketRiskExplanatory
522 Nontrading Market Risk Economic Capital [text block] Concept (Text Block (HTML)) For Period db:NontradingMarketRiskEconomicCapitalExplanatory
523 Liquidity Risk Management [Abstract] Abstract db:LiquidityRiskManagementAbstract
524 Liquidity Risk Management Framework [text block] Concept (Text Block (HTML)) For Period db:LiquidityRiskManagementFrameworkExplanatory
525 Short-term liquidity and wholesale funding [text block] Concept (Text Block (HTML)) For Period db:ShortTermLiquidityAndWholesaleFundingExplanatory
526 Liquidity stress testing and scenario analysis [text block] Concept (Text Block (HTML)) For Period db:LiquidityStressTestingAndScenarioAnalysisExplanatory
527 Funding Risk Management [text block] Concept (Text Block (HTML)) For Period db:FundingRiskManagementExplanatory
528 Funding Diversification Management [text block] Concept (Text Block (HTML)) For Period db:FundingDiversificationManagementExplanatory
529 Liquidity reserves [text block] Concept (Text Block (HTML)) For Period db:LiquidityReservesExplanatory
530 Disclosure of Risk Concentration and Risk Diversification [text block] Concept (Text Block (HTML)) For Period db:DisclosureOfRiskConcentrationAndRiskDiversificationExplanatory
531 25003 - Disclosure - Risk Report - Risk Performance Network

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532 Implied Table Table

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533 Risk Performance [Abstract] Abstract db:RiskPerformanceAbstract
534 Disclosure of credit risk exposure [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
535 Maximum Exposure to Credit Risk Abstract db:MaximumExposureToCreditRiskAbstract
536 Maximum Exposure to Credit Risk paragraph 1 [text block] Concept (Text Block (HTML)) For Period db:MaximumExposureToCreditRiskParagraph1Explanatory
537 Maximum Exposure to Credit Risk paragraph 2 [text block] Concept (Text Block (HTML)) For Period db:MaximumExposureToCreditRiskParagraph2Explanatory
538 Main Credit Exposure [Abstract] Abstract db:MainCreditExposureAbstract
539 Main Credit Exposure Categories by Industry Sectors [text block] Concept (Text Block (HTML)) For Period db:MainCreditExposureCategoriesByIndustrySectorsTextExplanatory
540 Main Credit Exposure Categories by Geographical Region [text block] Concept (Text Block (HTML)) For Period db:MainCreditExposureCategoriesByGeographicalRegionTextExplanatory
541 Main Credit Exposure Categories by Geographical Region paragraph [text block] Concept (Text Block (HTML)) For Period db:MainCreditExposureCategoriesByGeographicalRegionTextParagraphExplanatory
542 Credit Risk Exposure to Certain Eurozone Countries [text block] Concept (Text Block (HTML)) For Period db:CreditRiskExposureToCertainEurozoneCountriesExplanatory
543 Asset Quality IFRS 9 [Abstract] Abstract db:AssetQualityIFRS9Abstract
544 Asset Quality Excluding Forborne and Collateral [text block] Concept (Text Block (HTML)) For Period db:AssetQualityExcForborneAndCollateralExplanatory
545 Asset Quality Collateral [text block] Concept (Text Block (HTML)) For Period db:AssetQualityCollateralExplanatory
546 Asset Quality IAS 39 [Abstract] Abstract db:AssetQualityIAS39Abstract
547 Past Due Loans [text block] Concept (Text Block (HTML)) For Period db:PastDueLoansExplanatory
548 Collateral Against Non-Impaired Past Due Loans [text block] Concept (Text Block (HTML)) For Period db:CollateralAgainstNonImpairedPastDueLoansExplanatory
549 Impaired Loans [text block] Concept (Text Block (HTML)) For Period db:ImpairedLoansExplanatory
550 Collateral Against Impaired Loans [text block] Concept (Text Block (HTML)) For Period db:CollateralAgainstImpairedLoansExplanatory
551 Financial Assets Available for Sale [text block] Concept (Text Block (HTML)) For Period db:FinancialAssetsAvailableForSaleTextExplanatory
552 Collateral Obtained During Reporting Period [text block] Concept (Text Block (HTML)) For Period db:CollateralObtainedDuringReportingPeriodTextExplanatory
553 Trading Market Risk Exposures [Abstract] Abstract db:TradingMarkeRiskExposuresAbstract
554 Value-at-Risk Metrics of Trading Units of Deutsche Bank Group [text block] Concept (Text Block (HTML)) For Period db:ValueAtRiskMetricsOfTradingUnitsOfDeutscheBankGroupExplanatory
555 Regulatory Measures Stressed Value-at-Risk [text block] Concept (Text Block (HTML)) For Period db:RegulatoryMeasuresStressedValueAtRiskMetricsExplanatory
556 Regulatory Measures Incremental Risk Charge [text block] Concept (Text Block (HTML)) For Period db:RegulatoryMeasuresIncrementalRiskChargeExplanatory
557 Regulatory Measures Comprehensive Risk Measure [text block] Concept (Text Block (HTML)) For Period db:RegulatoryMeasuresComprehensiveRiskMeasureExplanatory
558 Disclosure of Non-Trading Market Risk Exposure [text block] Concept (Text Block (HTML)) For Period db:DisclosureOfNonTradingMarketRiskExposureExplanatory
559 Disclosure of liquidity risk Exposure [Abstract] Abstract db:DisclosureOfLiquidityRiskExposureAbstract
560 Funding Markets and Capital Issuance [text block] Concept (Text Block (HTML)) For Period db:FundingMarketsAndCapitalMarketsIssuanceExplanatory
561 Funding Diversification Performance [text block] Concept (Text Block (HTML)) For Period db:FundingDiversificationPerformanceExplanatory
562 Global All Currency Daily Stress Testing Results [text block] Concept (Text Block (HTML)) For Period db:GlobalAllCurrencyDailyStressTestingResultsTextExplanatory
563 29100 - Disclosure - Significant Accounting Policies (Policies) Network

*

*

 http://www.db.com/role/SignificantAccountingPolicies
564 Implied Table Table

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565 Significant Accounting Policies [Abstract] Abstract db:SignificantAccountingPoliciesAbstract
566 Principles of Consolidation [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
567 Foreign Currency Translation [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
568 Interest, Commissions and Fees [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyforInterestCommissionsandFeesExplanatory
569 Financial Assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory
570 Loan Commitments [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForLoanCommitmentsExplanatory
571 Financial Liabilities [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForFinanciaLiabilitiessExplanatory
572 Offsetting of Financial Instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForOffsettingOfFinancialInstrumentsExplanatory
573 Determination of Fair Value [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForDeterminationOfFairValueExplanatory
574 Recognition of Trade Date Profit [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForRecognitionOfTradeDateProfitExplanatory
575 Derivatives and Hedge Accounting [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory
576 Impairment of loans and provision for off-balance sheet Positions [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForImpairmentOfLoansAndProvisionForOffBalanceSheetPositionsExplanatory
577 Derecognition of Financial Assets and Liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDerecognitionOfFinancialInstrumentsExplanatory
578 Goodwill and Other Intangible Assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
579 Provisions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
580 Income Taxes [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
581 Business Combinations and Noncontrolling Interests [text block] Concept (Text Block (HTML)) For Period db:DisclosureOfBusinessCombinationsandNoncontrollingInterestsExplanatory
582 Non-Current Assets Held for Sale [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
583 Property and Equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
584 Financial Guarantees [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory
585 Leasing Transactions [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
586 Employee Benefits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
587 Obligations to Purchase Common Shares [text block] Concept (Text Block (HTML)) For Period db:DescriptionOfAccountingPolicyForObligationsToPurchaseCommonSharesExplanatory
588 Consolidated Statement of Cash Flows [text block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory
589 30001 - Disclosure - Risk Report - Market Risk (Tables) Network

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 http://www.db.com/role/MarketRiskTables
590 Implied Table Table

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591 Market Risk [Abstract] Abstract db:MarketRiskAbstract
592 Value-at Risk of Trading Units by Risk Type [text block table] Concept (Text Block (HTML)) For Period db:ValueAtRiskOfTradingUnitsByRiskTypeExplanatory
593 Average, Maximum and Minimum Stressed Value-at-Risk by Risk Type [text block table] Concept (Text Block (HTML)) For Period db:AverageMaximumAndMinimumStressedValueAtRiskByRiskTypeExplanatory
594 Average, Maximum and Minimum Incremental Risk Charge of Trading Units (with a 99.9 percent confidence level and one-year capital horizon) [text block table] Concept (Text Block (HTML)) For Period db:AverageMaximumAndMinimumIncrementalRiskChargeOfTradingUnitsWithA99And9PercentConfidenceLevelAndOneYearCapitalHorizonExplanatory
595 Average, Maximum and Minimum Comprehensive Risk Measure of Trading Units (with a 99.9 % confidence level and one-year capital horizon) [text block table] Concept (Text Block (HTML)) For Period db:AverageMaximumAndMinimumComprehensiveRiskMeasureOfTradingUnitsWithA99And9PercentConfidenceLevelAndOneYearCapitalHorizonExplanatory
596 Economic Capital Usage by risk type [text block table] Concept (Text Block (HTML)) For Period db:EconomicCapitalUsageByRiskTypeExplanatory
597 30002 - Disclosure - Risk Report - Liquidity Risk (Tables) Network

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 http://www.db.com/role/LiquidityRiskTables
598 Implied Table Table

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599 Liquidity Risk [Abstract] Abstract db:LiquidityRiskAbstract
600 Global All Currency Daily Stress Testing Results [text block table] Concept (Text Block (HTML)) For Period db:GlobalAllCurrencyDailyStressTestingResultsExplanatory
601 30003 - Disclosure - Risk Report - Credit Risk Exposure (Tables) Network

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*

 http://www.db.com/role/CreditRiskExposureTables
602 Implied Table Table

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603 Credit Risk Exposure [Abstract] Abstract db:CreditRiskExposureAbstract
604 Maximum Exposure to Credit Risk [text block table] Concept (Text Block (HTML)) For Period db:MaximumExposureToCreditRiskTablesExplanatory
605 Main Credit Exposure Categories by Industry Sectors [text block table] Concept (Text Block (HTML)) For Period db:MainCreditExposureCategoriesByIndustrySectorsExplanatory
606 Main credit exposure categories by geographical region [text block table] Concept (Text Block (HTML)) For Period db:MainCreditExposureCategoriesByGeographicalRegionExplanatory
607 Sovereign Credit Risk Exposure to Certain Eurozone Countries [text block table] Concept (Text Block (HTML)) For Period db:SovereignCreditRiskExposureToCertainEurozoneCountriesExplanatory
608 30004 - Disclosure - Risk Report - Asset Quality IAS 39 (Tables) Network

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*

 http://www.db.com/role/AssetQualityIAS39Tables
609 Implied Table Table

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610 Asset Quality IAS 39 [Abstract] Abstract db:AssetQualityIAS39Abstract
611 Non-impaired past due loans at amortized cost by past due status [text block table] Concept (Text Block (HTML)) For Period db:NonImpairedPastDueLoansAtAmortizedCostByPastDueStatusTablesExplanatory
612 Aggregated value of collateral - with the fair values of collateral capped at loan outstanding - held against our non-impaired past due loans [text block table] Concept (Text Block (HTML)) For Period db:AggregatedValueOfCollateralWithTheFairValuesOfCollateralCappedAtLoanOutstandingHeldAgainstOurNonImpairedPastDueLoansExplanatory
613 Impaired loans, allowance for loan losses and coverage ratios by business division [text block table] Concept (Text Block (HTML)) For Period db:ImpairedLoansAallowanceForLoanLossesAndCoverageRatiosByBusinessDivisionExplanatory
614 Impaired loans, allowance for loan losses and coverage ratios by industry [text block table] Concept (Text Block (HTML)) For Period db:ImpairedLoansAallowanceForLoanLossesAndCoverageRatiosByIndustryExplanatory
615 Impaired loans, allowance for loan losses and coverage ratios by region [text block table] Concept (Text Block (HTML)) For Period db:ImpairedLoansAllowanceForLoanLossesAndCoverageRatiosByRegionExplanatory
616 Collateral held against impaired loans, with fair values capped at transactional outstanding [text block table] Concept (Text Block (HTML)) For Period db:CollateralHeldAgainstImpairedLoansWithFairValuesCappedAtTransactionalOutstandingExplanatory
617 Non-impaired past due and impaired financial assets available for sale, accumulated impairments, coverage ratio and collateral held against impaired financial assets available for sale [text block table] Concept (Text Block (HTML)) For Period db:NonImpairedPastDueAndImpairedFinancialAssetsAvailableForSaleAccumulatedImpairmentsCoverageRatioAndCollateralHeldAgainstImpairedFinancialAssetsAvailableForSaleExplanatory
618 Collateral obtained during the reporting periods IAS 39 [text block table] Concept (Text Block (HTML)) For Period db:CollateralObtainedDuringTheReportingPeriodsIAS39Explanatory
619 30005 - Disclosure - Risk Report - Asset Quality IFRS 9 (Tables) Network

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*

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620 Implied Table Table

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621 Asset Quality IFRS 9 [Abstract] Abstract db:AssetQualityIFRS9Abstract
622 Overview of financial assets subject to impairment [text block table] Concept (Text Block (HTML)) For Period db:OverviewOfFinancialAssetsSubjectToImpairmentExplanatory
623 Development of exposures in the reporting period [text block table] Concept (Text Block (HTML)) For Period db:DevelopmentOfExposuresInTheReportingPeriodExplanatory
624 Development of allowance for credit losses in the reporting period [text block table] Concept (Text Block (HTML)) For Period db:DevelopmentOfAllowanceForCreditLossesInTheReportingPeriodExplanatory
625 Financial Assets at amortized cost by business division [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtAmortizedCostByBusinessDivisionExplanatory
626 Financial Assets at amortized cost by industry sector [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtAmortizedCostByIndustrySectorExplanatory
627 Financial Assets at amortized cost by region [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtAmortizedCostByRegionExplanatory
628 Financial Assets at amortized cost by rating class [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtAmortizedCostByRatingClassExplanatory
629 Collateral held against Financial Assets at amortized in stage 3 [text block table] Concept (Text Block (HTML)) For Period db:CollateralHeldAgainstFinancialAssetsAtAmortizedCostInStage3Explanatory
630 Modified assets at amortized cost [text block table] Concept (Text Block (HTML)) For Period db:ModifiedAssetsAmortizedCostExplanatory
631 Off-balance sheet development of nominal [text block table] Concept (Text Block (HTML)) For Period db:OffBalanceSheetDevelopmentOfNominalExplanatory
632 Off-balance sheet development of allowance for credit losses [text block table] Concept (Text Block (HTML)) For Period db:OffBalanceSheetDevelopmentOfAllowanceForCreditLossesExplanatory
633 Collateral obtained during the reporting periods IFRS 9 [text block table] Concept (Text Block (HTML)) For Period db:CollateralObtainedDuringTheReportingPeriodsIFRS9Explanatory
634 30200 - Disclosure - Recently Adopted and New Accounting Pronouncements (Tables) Network

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 http://www.db.com/role/RecentlyAdoptedAndNewAccountingPronouncementsTables
635 Implied Table Table

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636 Recently Adopted and New Accounting Pronouncements [Abstract] Abstract db:RecentlyAdoptedAndNewAccountingPronouncementsAbstract
637 Key Metrics [text block table] Concept (Text Block (HTML)) For Period db:KeyRatiosExplanatory
638 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Fully loaded [text block table] Concept (Text Block (HTML)) For Period db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1FullyLoadedExplanatory
639 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 Fully loaded [text block table] Concept (Text Block (HTML)) For Period db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2FullyLoadedExplanatory
640 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Transitional rules [text block table] Concept (Text Block (HTML)) For Period db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1TransitionalRulesExplanatory
641 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 Transitional rules [text block table] Concept (Text Block (HTML)) For Period db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2TransitionalRulesExplanatory
642 Credit Risk Profile by Business Division [text block table] Concept (Text Block (HTML)) For Period db:CreditRiskProfileByBusinessDivisionExplanatory
643 Classification and Measurement [text block table] Concept (Text Block (HTML)) For Period db:ClassificationAndMeasurementExplanatory
644 Impairment [text block table] Concept (Text Block (HTML)) For Period db:ImpairmentExplanatory
645 30300 - Disclosure - Acquisitions and Dispositions (Tables) Network

*

*

 http://www.db.com/role/AcquisitionsAndDispositionsTables
646 Implied Table Table

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 implied:Table
647 Acquisitions and Dispositions [Abstract] Abstract db:AcquisitionsAndDispositionsAbstract
648 Deutsche Banks Ownership Interest following Initial Public Offering of DWS shares [text block table] Concept (Text Block (HTML)) For Period db:DeutscheBankOwnershipInterestFollowingInitialPublicOfferingOfDWSsharesExplanatory
649 Assets and liabilities disposed [text block table] Concept (Text Block (HTML)) For Period db:AssetsAndLiabilitiesDisposedExplanatory
650 30400 - Disclosure - Business Segments and Related Information (Tables) Network

*

*

 http://www.db.com/role/BusinessSegmentsAndRelatedInformationTables
651 Implied Table Table

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652 Business Segments and Related Information [Abstract] Abstract db:BusinessSegmentsAndRelatedInformationAbstract
653 Segment Results of Operations [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsExplanatory
654 Segment Results of Operations, Corporate & Investment Bank [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsCorporateAndInvestmentBankExplanatory
655 Segment Results of Operations, Private & Commercial Bank [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsPrivateAndCommercialBankExplanatory
656 Segment Results of Operations, Asset Management [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsDeutscheAssetManagementExplanatory
657 Segment Results of Operations, Non-Core Operations Unit [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsNonCoreOperationsUnitExplanatory
658 Segment Results of Operations, Corporate & Other [text block table] Concept (Text Block (HTML)) For Period db:SegmentResultsOfOperationsCorporateAndOtherExplanatory
659 Entity-Wide Disclosures by Geographic Area [text block table] Concept (Text Block (HTML)) For Period db:EntityWideDisclosuresByGeographicAreaExplanatory
660 30500 - Disclosure - Net Interest Income and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss (Tables) Network

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 http://www.db.com/role/NetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTables
661 Implied Table Table

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662 Net Interest Income and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Abstract] Abstract db:NetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossAbstract
663 Net Interest Income [text block table] Concept (Text Block (HTML)) For Period db:NetInterestIncomeExplanatory
664 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [text block table] Concept (Text Block (HTML)) For Period db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossExplanatory
665 Combined Net Interest and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [text block table] Concept (Text Block (HTML)) For Period db:CombinedNetInterestAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossExplanatory
666 30600 - Disclosure - Commission and Fee Income (Tables) Network

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 http://www.db.com/role/CommissionAndFeeIncomeTables
667 Implied Table Table

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668 Commissions and Fee Income [Abstract] Abstract db:CommissionsAndFeeIncomeAbstract
669 Commission and Fee Income and Expense [text block table] Concept (Text Block (HTML)) For Period db:CommissionAndFeeIncomeAndExpenseExplanatory
670 Disaggregation of revenues by product type and business segment based on IFRS 15 [text block table] Concept (Text Block (HTML)) For Period db:DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15Explanatory
671 30700 - Disclosure - Net Gains (Losses) on Financial Assets Available for Sale (Tables) Network

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 http://www.db.com/role/NetGainsLossesOnFinancialAssetsAvailableForSaleTables
672 Implied Table Table

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673 Net gains (losses) on financial assets available for sale [Abstract] Abstract db:NetGainsLossesOnFinancialAssetsAvailableForSaleAbstract
674 Net Gains (Losses) on Financial Assets Available for Sale [text block table] Concept (Text Block (HTML)) For Period db:NetGainsLossesOnFinancialAssetsAvailableForSaleExplanatory
675 30800 - Disclosure - Other Income (Tables) Network

*

*

 http://www.db.com/role/OtherIncomeTables
676 Implied Table Table

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677 Other Income [Abstract] Abstract db:OtherIncomeAbstract
678 Other Income [text block table] Concept (Text Block (HTML)) For Period db:OtherIncomeExplanatory
679 30900 - Disclosure - General and Administrative Expenses (Tables) Network

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 http://www.db.com/role/GeneralAndAdministrativeExpensesTables
680 Implied Table Table

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681 General and administrative expenses [Abstract] Abstract db:GeneralAndAdministrativeExpensesAbstract
682 General and Administrative Expenses [text block table] Concept (Text Block (HTML)) For Period db:GeneralAndAdministrativeExpensesExplanatory
683 31000 - Disclosure - Restructuring (Tables) Network

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 http://www.db.com/role/RestructuringTables
684 Implied Table Table

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685 Restructuring [Abstract] Abstract db:RestructuringAbstract
686 Net Restructuring Expense by Division [text block table] Concept (Text Block (HTML)) For Period db:NetRestructuringExpenseByDivisionExplanatory
687 Net Restructuring by Type [text block table] Concept (Text Block (HTML)) For Period db:NetRestructuringByTypeExplanatory
688 Organizational Changes [text block table] Concept (Text Block (HTML)) For Period db:OrganizationalChangesExplanatory
689 31100 - Disclosure - Earnings per Share (Tables) Network

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 http://www.db.com/role/EarningsperShareTables
690 Implied Table Table

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691 Earnings per share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
692 Computation of basic and diluted earnings per share [text block table] Concept (Text Block (HTML)) For Period db:ComputationOfBasicAndDilutedEarningsPerShareExplanatory
693 Earnings per share [text block table] Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
694 Instruments outstanding and not included in the calculation of diluted earnings per share [text block table] Concept (Text Block (HTML)) For Period db:InstrumentsOutstandingAndNotIncludedInTheCalculationOfDilutedEarningsPerShareExplanatory
695 31200 - Disclosure - Financial Assets/Liabilities at Fair Value through Profit or Loss (Tables) Network

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 http://www.db.com/role/FinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTables
696 Implied Table Table

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697 Financial Assets/Liabilities at Fair Value through Profit or Loss [Abstract] Abstract db:FinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossAbstract
698 Financial Assets at Fair Value through Profit and Loss [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtFairValueThroughProfitAndLossExplanatory
699 Financial Liabilities at Fair Value through Profit and Loss [text block table] Concept (Text Block (HTML)) For Period db:FinancialLiabilitiesAtFairValueThroughProfitAndLossExplanatory
700 Changes in fair value of financial assets attributable to movements in counterparty credit risk [text block table] Concept (Text Block (HTML)) For Period db:ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCounterpartyCreditRiskExplanatory
701 Changes in fair value of loans and loan commitments attributable to movements in counterparty credit risk [text block table] Concept (Text Block (HTML)) For Period db:ChangesInFairValueOfLoansAndLoanCommitmentsAttributableToMovementsInCounterpartyCreditRiskExplanatory
702 Changes in fair value of financial liabilities attributable to movements in the Groups credit risk [text block table] Concept (Text Block (HTML)) For Period db:ChangesInFairValueOfFinancialLiabilitiesAttributableToMovementsInTheGroupsCreditRiskExplanatory
703 Transfers of the cumulative gains or losses within equity during the period [text block table] Concept (Text Block (HTML)) For Period db:TransfersOfTheCumulativeGainsOrLossesWithinEquityDuringThePeriodExplanatory
704 Amounts realized on derecognition of liabilities designated at FVtPL [text block table] Concept (Text Block (HTML)) For Period db:AmountsRealizedOnDerecognitionOfLiabilitiesDesignatedAtFVtPLExplanatory
705 Excess of the Contractual Amount Repayable at Maturity over the Carrying Value of Financial Liabilities [text block table] Concept (Text Block (HTML)) For Period db:ExcessOfTheContractualAmountRepayableAtMaturityOverTheCarryingValueOfFinancialLiabilitiesExplanatory
706 31300 - Disclosure - Financial Instruments carried at Fair Value (Tables) Network

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707 Implied Table Table

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708 Financial Instruments carried at Fair Value [Abstract] Abstract db:FinancialInstrumentsCarriedAtFairValueAbstract
709 Carrying Value of The Financial Instruments held at Fair Value [text block table] Concept (Text Block (HTML)) For Period db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueExplanatory
710 Reconciliation of Financial Instruments Categorized in Level 3 [text block table] Concept (Text Block (HTML)) For Period db:ReconciliationOfFinancialInstrumentsCategorizedInLevel3Explanatory
711 Sensitivity Analysis by Type of Instrument [text block table] Concept (Text Block (HTML)) For Period db:SensitivityAnalysisByTypeOfInstrumentExplanatory
712 Quantitative Information about Fair Value (Level 3) [text block table] Concept (Text Block (HTML)) For Period db:QuantitativeInformationAboutFairValueLevel3Explanatory
713 Unrealized Gains or Losses on Level 3 Instruments held or in Issue at the Reporting Date [text block table] Concept (Text Block (HTML)) For Period db:TotalGainsOrLossesRecordedInNetGainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory
714 Recognitions of Trade Date Profit [text block table] Concept (Text Block (HTML)) For Period db:RecognitionsOfTradeDateProfitExplanatory
715 31400 - Disclosure - Fair Value of Financial Instruments not carried at Fair Value (Tables) Network

*

*

 http://www.db.com/role/FairValueOfFinancialInstrumentsNotCarriedAtFairValueTables
716 Implied Table Table

*

*

 implied:Table
717 Fair Value of Financial Instruments not carried at Fair Value [Abstract] Abstract db:FairValueOfFinancialInstrumentsNotCarriedAtFairValueAbstract
718 Estimated Fair Value of the Financial Instruments not carried at Fair Value [text block table] Concept (Text Block (HTML)) For Period db:EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValueExplanatory
719 31500 - Disclosure - Financial Assets Available for Sale (Tables) Network

*

*

 http://www.db.com/role/FinancialAssetsAvailableForSaleTables
720 Implied Table Table

*

*

 implied:Table
721 Financial Assets Available for Sale [Abstract] Abstract db:FinancialAssetsAvailableForSaleAbstract
722 Financial Assets Available for Sale [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAvailableForSaleExplanatory
723 31600 - Disclosure - Financial assets at fair value through other comprehensive income (Tables) Network

*

*

 http://www.db.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTables
724 Implied Table Table

*

*

 implied:Table
725 Financial assets at fair value through OCI [Abstract] Abstract db:FinancialAssetsAtFairValueThroughOCIAbstract
726 Financial assets at fair value through other comprehensive income [text block table] Concept (Text Block (HTML)) For Period db:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatoryTableExplanatory
727 31700 - Disclosure - Financial Instruments Held to Maturity (Tables) Network

*

*

 http://www.db.com/role/FinancialInstrumentsHeldToMaturityTables
728 Implied Table Table

*

*

 implied:Table
729 Financial Instruments Held to Maturity [Abstract] Abstract db:FinancialInstrumentsHeldToMaturityAbstract
730 Financial Instruments Held to Maturity [text block table] Concept (Text Block (HTML)) For Period db:FinancialInstrumentsHeldToMaturityExplanatory
731 31800 - Disclosure - Equity Method Investments (Tables) Network

*

*

 http://www.db.com/role/EquityMethodInvestmentsTables
732 Implied Table Table

*

*

 implied:Table
733 Equity Method Investments [Abstract] Abstract db:EquityMethodInvestmentsAbstract
734 Significant investments [text block table] Concept (Text Block (HTML)) For Period db:SignificantInvestmentsExplanatory
735 Summarised financial information on Huarong Rongde Asset Management Company Ltd [text block table] Concept (Text Block (HTML)) For Period db:SummarisedFinancialInformationOnHuarongRongdeAssetManagementCompanyLtdExplanatory
736 Reconciliation of total net assets of Huarong Rongde Asset Management Company Ltd to the Groups carrying amount [text block table] Concept (Text Block (HTML)) For Period db:ReconciliationOfTotalNetAssetsOfHuarongRongdeAssetManagementCompanyLtdToTheGroupsCarryingAmountExplanatory
737 Summarised financial information on Harvest Fund Management Co., LTD [text block table] Concept (Text Block (HTML)) For Period db:SummarisedFinancialInformationOnHarvestFundManagementCoLTDExplanatory
738 Reconciliation of total net assets of Harvest Fund Management Co., LTD to the Groups carrying amount [text block table] Concept (Text Block (HTML)) For Period db:ReconciliationOfTotalNetAssetsOfHarvestFundManagementCoLTDToTheGroupsCarryingAmountExplanatory
739 Information on the Groups Share in Associates and Joint Ventures individually immaterial [text block table] Concept (Text Block (HTML)) For Period db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialExplanatory
740 31900 - Disclosure - Offsetting Financial Assets and Financial Liabilities (Tables) Network

*

*

 http://www.db.com/role/OffsettingFinancialAssetsAndFinancialLiabilitiesTables
741 Implied Table Table

*

*

 implied:Table
742 Offsetting Financial Assets and Financial Liabilities [Abstract] Abstract db:OffsettingFinancialAssetsAndFinancialLiabilitiesAbstract
743 Offsetting [text block table] Concept (Text Block (HTML)) For Period db:OffsettingExplanatory
744 32000 - Disclosure - Loans (Tables) Network

*

*

 http://www.db.com/role/LoansTables
745 Implied Table Table

*

*

 implied:Table
746 Loans [Abstract] Abstract db:LoansAbstract
747 Components of Loans by Industry Classification IFRS 9 [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfLoansByIndustryClassificationIFRS9Explanatory
748 Components of Loans by Industry Classification IAS 39 [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfLoansByIndustryClassificationIAS39Explanatory
749 32100 - Disclosure - Allowance for Credit Losses (Tables) Network

*

*

 http://www.db.com/role/AllowanceForCreditLossesTables
750 Implied Table Table

*

*

 implied:Table
751 Allowance for Credit Losses [Abstract] Abstract db:AllowanceForCreditLossesAbstract
752 Development of allowance for credit losses for financial assets at amortized cost [text block table] Concept (Text Block (HTML)) For Period db:DevelopmentOfAllowanceForCreditLossesFoFinancialAssetsAtAmortizedCostExplanatory
753 Allowance for credit losses for financial assets at fair value through OCI [text block table] Concept (Text Block (HTML)) For Period db:AllowanceForCreditLossesForFinancialAssetsAtFairValueThroughOCIExplanatory
754 Development of allowance for credit losses for Off-balance sheet positions [text block table] Concept (Text Block (HTML)) For Period db:AllowanceForOffBalanceSheetPositionsExplanatory
755 Breakdown of the movements in the Groups allowance for loan losses (as previously reported under IAS 39) [text block table] Concept (Text Block (HTML)) For Period db:BreakdownOfTheMovementsInTheGroupsAllowanceForLoanLossesAsPreviouslyReportedUnderIAS39Explanatory
756 Activity in the Group's allowance for off-balance sheet positions (contingent liabilities and lending commitments), as previously reported under IAS 39) [text block table] Concept (Text Block (HTML)) For Period db:ActivityInTheGroupsAllowanceForOffBalanceSheetPositionsContingentLiabilitiesAndlendingCommitmentsAsPreviouslyReportedUnderIAS39Explanatory
757 32200 - Disclosure - Transfers of Financial Assets and Assets Pledged and Received as Collateral (Tables) Network

*

*

 http://www.db.com/role/AssetsPledgedAndReceivedAsCollateralTables
758 Implied Table Table

*

*

 implied:Table
759 Assets Pledged and Received as Collateral [Abstract] Abstract db:AssetsPledgedAndReceivedAsCollateralAbstract
760 Information on the Asset Types and the Associated Transactions [text block table] Concept (Text Block (HTML)) For Period db:InformationOnTheAssetTypesAndTheAssociatedTransactionsExplanatory
761 Continuing Involvement Accounting [text block table] Concept (Text Block (HTML)) For Period db:ContinuingInvolvementAccountingExplanatory
762 Transferred Assets with on-going Involvement - Table I [text block table] Concept (Text Block (HTML)) For Period db:TransferredAssetsWithOnGoingInvolvementOneExplanatory
763 Transferred Assets with on-going Involvement - Table II [text block table] Concept (Text Block (HTML)) For Period db:TransferredAssetsWithOnGoingInvolvementTwoExplanatory
764 Carrying Value of the Assets Pledged as Collateral [text block table] Concept (Text Block (HTML)) For Period db:CarryingValueOfTheAssetsPledgedAsCollateralExplanatory
765 Total assets pledged to creditors [text block table] Concept (Text Block (HTML)) For Period db:TotalAssetsPledgedToCreditorsExplanatory
766 Collateral Received [text block table] Concept (Text Block (HTML)) For Period db:CollateralReceivedExplanatory
767 32300 - Disclosure - Property and Equipment (Tables) Network

*

*

 http://www.db.com/role/PropertyAndEquipmentTables
768 Implied Table Table

*

*

 implied:Table
769 Property and Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
770 Property and Equipment [text block table] Concept (Text Block (HTML)) For Period db:PropertyAndEquipmentExplanatory
771 32400 - Disclosure - Leases (Tables) Network

*

*

 http://www.db.com/role/LeasesTables
772 Implied Table Table

*

*

 implied:Table
773 Leases [Abstract] Abstract db:LeasesAbstract
774 Net Carrying Value for each Class of Leasing Assets [text block table] Concept (Text Block (HTML)) For Period db:NetCarryingValueForEachClassOfLeasingAssetsExplanatory
775 Future Minimum Lease Payments (Finance Leases) [text block table] Concept (Text Block (HTML)) For Period db:FutureMinimumLeasePaymentsFinanceLeasesExplanatory
776 Future Minimum Lease Payments (Operating Leases) [text block table] Concept (Text Block (HTML)) For Period db:FutureMinimumLeasePaymentsOperatingLeasesExplanatory
777 32500 - Disclosure - Goodwill and Other Intangible Assets (Tables) Network

*

*

 http://www.db.com/role/GoodwillAndOtherIntangibleAssetsTables
778 Implied Table Table

*

*

 implied:Table
779 Goodwill and Other Intangible Assets [Abstract] Abstract ifrs-full:IntangibleAssetsAndGoodwillAbstract
780 Changes in Goodwill [text block table] Concept (Text Block (HTML)) For Period db:ChangesInGoodwillExplanatory
781 Primary Cash-Generating Units [text block table] Concept (Text Block (HTML)) For Period db:PrimaryCashGeneratingUnitsExplanatory
782 Changes of Other Intangible Assets by Asset Class [text block table] Concept (Text Block (HTML)) For Period db:ChangesOfOtherIntangibleAssetsByAssetClassExplanatory
783 Useful Lives of Other Amortized Intangible Assets by Asset Class [text block table] Concept (Text Block (HTML)) For Period db:UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClassExplanatory
784 Critical Values [text block table] Concept (Text Block (HTML)) For Period db:CriticalValuesExplanatory
785 32600 - Disclosure - Non-Current Assets and Disposal Groups Held for Sale (Tables) Network

*

*

 http://www.db.com/role/NonCurrentAssetsAndDisposalGroupsHeldForSaleTables
786 Implied Table Table

*

*

 implied:Table
787 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Abstract] Abstract ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract
788 Components of Other Non-Current Assets and Disposal Groups Held for Sale [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfOtherNonCurrentAssetsAndDisposalGroupsHeldForSaleExplanatory
789 32700 - Disclosure - Other Assets and Other Liabilities (Tables) Network

*

*

 http://www.db.com/role/OtherAssetsAndOtherLiabilitiesTables
790 Implied Table Table

*

*

 implied:Table
791 Other Assets and Other Liabilities [Abstract] Abstract db:OtherAssetsAndOtherLiabilitiesAbstract
792 Components of Other Assets/Liabilities [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfOtherAssetsLiabilitiesExplanatory
793 32800 - Disclosure - Deposits (Tables) Network

*

*

 http://www.db.com/role/DepositsTables
794 Implied Table Table

*

*

 implied:Table
795 Deposits [Abstract] Abstract db:DepositsAbstract
796 Components of Deposits [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfDepositsExplanatory
797 32900 - Disclosure - Provisions (Tables) Network

*

*

 http://www.db.com/role/ProvisionsTables
798 Implied Table Table

*

*

 implied:Table
799 Provisions [Abstract] Abstract ifrs-full:ProvisionsAbstract
800 Movements by Class of Provision [text block table] Concept (Text Block (HTML)) For Period db:MovementsByClassOfProvisionsExplanatory
801 33000 - Disclosure - Credit related Commitments and Contingent Liabilities (Tables) Network

*

*

 http://www.db.com/role/CreditRelatedCommitmentsAndContingentLiabilitiesTables
802 Implied Table Table

*

*

 implied:Table
803 Credit related Commitments and Contingent Liabilities [Abstract] Abstract db:CreditRelatedCommitmentsAndContingentLiabilitiesAbstract
804 Irrevocable lending commitments and lending related contingent liabilities [text block table] Concept (Text Block (HTML)) For Period db:CommitmentsAndContingentLiabilitiesExplanatory
805 Other Commitments and Contingent Liabilities [text block table] Concept (Text Block (HTML)) For Period db:OtherCommitmentsAndContingentLiabilitiesExplanatory
806 33100 - Disclosure - Other Short-Term Borrowings (Tables) Network

*

*

 http://www.db.com/role/OtherShortTermBorrowingsTables
807 Implied Table Table

*

*

 implied:Table
808 Other Short-Term Borrowings [Abstract] Abstract db:OtherShortTermBorrowingsAbstract
809 Components of Other Short-Term Borrowings [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfOtherShortTermBorrowingsExplanatory
810 33200 - Disclosure - Long-Term Debt and Trust Preferred Securities (Table) Network

*

*

 http://www.db.com/role/LongTermDebtAndTrustPreferredSecuritiesTables
811 Implied Table Table

*

*

 implied:Table
812 Long-Term Debt and Trust Preferred Securities [Abstract] Abstract db:LongTermDebtAndTrustPreferredSecuritiesAbstract
813 Long-Term Debt by Contractual Maturity [text block table] Concept (Text Block (HTML)) For Period db:LongTermDebtByContractualMaturityExplanatory
814 Fixed and Floating Rate Trust Preferred Securities [text block table] Concept (Text Block (HTML)) For Period db:FixedAndFloatingRateTrustPreferredSecuritiesExplanatory
815 33300 - Disclosure - Maturity Analysis of the earliest contractual undiscounted cash flows of Financial Liabilities (Tables) Network

*

*

 http://www.db.com/role/MaturityAnalysisOfTheEarliestContractualUndiscountedCashFlowsOfFinancialLiabilitiesTables
816 Implied Table Table

*

*

 implied:Table
817 Maturity Analysis of the earliest contractual undiscounted cash flows of Financial Liabilities [Abstract] Abstract db:MaturityAnalysisOfTheEarliestContractualUndiscountedCashFlowsOfFinancialLiabilitiesAbstract
818 Maturity Analysis of Financial Liabilities (IFRS) [text block table] Concept (Text Block (HTML)) For Period db:MaturityAnalysisOfFinancialLiabilitiesIFRSExplanatory
819 33400 - Disclosure - Common Shares (Tables) Network

*

*

 http://www.db.com/role/CommonSharesTables
820 Implied Table Table

*

*

 implied:Table
821 Common Shares [Abstract] Abstract db:CommonSharesAbstract
822 Common Shares [text block table] Concept (Text Block (HTML)) For Period db:CommonSharesExplanatory
823 Dividends [text block table] Concept (Text Block (HTML)) For Period db:DividendsExplanatory
824 33500 - Disclosure - Employee Benefits (Tables) Network

*

*

 http://www.db.com/role/EmployeeBenefitsTables
825 Implied Table Table

*

*

 implied:Table
826 Employee Benefits [Abstract] Abstract db:EmployeeBenefitsAbstract
827 Share-Based Compensation Plan [text block table] Concept (Text Block (HTML)) For Period db:ShareBasedCompensationPlanExplanatory
828 Activity for Share Plans [text block table] Concept (Text Block (HTML)) For Period db:ActivityForSharePlansExplanatory
829 DWS Share based Plans [text block table] Concept (Text Block (HTML)) For Period db:DWSShareBasedPlansExplanatory
830 Breakdown of Benefit Obligation [text block table] Concept (Text Block (HTML)) For Period db:BreakdownOfBenefitObligationExplanatory
831 Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) [text block table] Concept (Text Block (HTML)) For Period db:BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflowsExplanatory
832 Actuarial Assumptions [text block table] Concept (Text Block (HTML)) For Period db:ActuarialAssumptionsExplanatory
833 Reconciliation in Movement of Liabilities and Assets - Impact on Balance Sheet [text block table] Concept (Text Block (HTML)) For Period db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetExplanatory
834 Plan Asset Allocation [text block table] Concept (Text Block (HTML)) For Period db:PlanAssetAllocationExplanatory
835 Regional Asset Break Down [text block table] Concept (Text Block (HTML)) For Period db:RegionalAssetBreakDownExplanatory
836 Sensitivity Analysis on Funded Status [text block table] Concept (Text Block (HTML)) For Period db:SensitivityAnalysisOnFundedStatusExplanatory
837 Expected Cash Flows [text block table] Concept (Text Block (HTML)) For Period db:ExpectedCashFlowsExplanatory
838 Expenses for Defined Benefit Plans (Impact on Expense) [text block table] Concept (Text Block (HTML)) For Period db:ExpensesForDefinedBenefitPlansImpactOnExpenseExplanatory
839 33600 - Disclosure - Income Taxes (Tables) Network

*

*

 http://www.db.com/role/IncomeTaxesTables
840 Implied Table Table

*

*

 implied:Table
841 Income Taxes [Abstract] Abstract db:IncomeTaxesAbstract
842 Components of Income Tax Expense (Benefit) [text block table] Concept (Text Block (HTML)) For Period db:ComponentsOfIncomeTaxExpenseBenefitExplanatory
843 Analysis of the Difference between the Amount (Expected Tax Expense at Domestic Income Tax Rate vs. Actual Income Tax Expense) [text block table] Concept (Text Block (HTML)) For Period db:AnalysisOfTheDifferenceBetweenTheAmountExpectedTaxExpenseAtDomesticIncomeTaxRateVsActualIncomeTaxExpenseExplanatory
844 Income Tax Charged or Credited to Equity [text block table] Concept (Text Block (HTML)) For Period db:IncomeTaxChargedOrCreditedToEquityExplanatory
845 Major Components of Gross Deferred Income Tax Assets and Liabilities [text block table] Concept (Text Block (HTML)) For Period db:MajorComponentsOfGrossDeferredIncomeTaxAssetsAndLiabilitiesExplanatory
846 After Offsetting, Deferred Tax Assets and Liabilities [text block table] Concept (Text Block (HTML)) For Period db:AfterOffsettingDeferredTaxAssetsAndLiabilitiesExplanatory
847 Items where no Deferred Tax Assets were recognized [text block table] Concept (Text Block (HTML)) For Period db:ItemsWhereNoDeferredTaxAssetsWereRecognizedExplanatory
848 33700 - Disclosure - Derivatives (Tables) Network

*

*

 http://www.db.com/role/DerivativesTables
849 Implied Table Table

*

*

 implied:Table
850 Derivatives [Abstract] Abstract db:DerivativesAbstract
851 Value of Derivatives held as Fair Value Hedges [text block table] Concept (Text Block (HTML)) For Period db:ValueOfDerivativesHeldAsFairValueHedgesExplanatory
852 Fair Value Hedges [text block table] Concept (Text Block (HTML)) For Period db:FairValueHedgesExplanatory
853 Value of Derivatives held as Cash Flow Hedges [text block table] Concept (Text Block (HTML)) For Period db:ValueOfDerivativesHeldAsCashFlowHedgesExplanatory
854 Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) [text block table] Concept (Text Block (HTML)) For Period db:CashFlowHedgesSchedulePeriodExpectedToOccurAndToAffectTheIncomeStatementExplanatory
855 Cash Flow Hedge Balances [text block table] Concept (Text Block (HTML)) For Period db:CashFlowHedgeBalancesExplanatory
856 Value of Derivatives held as Net Investment Hedges [text block table] Concept (Text Block (HTML)) For Period db:ValueOfDerivativesHeldAsNetInvestmentHedgesExplanatory
857 Profile of NIH hedging instruments [text block table] Concept (Text Block (HTML)) For Period db:ProfileOfNIHHedgingInstrumentsExplanatory
858 33800 - Disclosure - Related Party Transactions (Tables) Network

*

*

 http://www.db.com/role/RelatedPartyTransactionsTables
859 Implied Table Table

*

*

 implied:Table
860 Related Party Transactions [Abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
861 Compensation Expense of Key Management Personnel [text block table] Concept (Text Block (HTML)) For Period db:CompensationExpenseOfKeyManagementPersonnelExplanatory
862 Loans (Transactions with Subsidiaries, Joint Ventures and Associates) [text block table] Concept (Text Block (HTML)) For Period db:LoansTransactionsWithSubsidiariesJointVenturesAndAssociatesExplanatory
863 Deposits (Transactions with Subsidiaries, Joint Ventures and Associates) [text block table] Concept (Text Block (HTML)) For Period db:DepositsTransactionsWithSubsidiariesJointVenturesAndAssociatesExplanatory
864 Summary of Transactions with Related Party Pension Plans [text block table] Concept (Text Block (HTML)) For Period db:SummaryOfTransactionsWithRelatedPartyPensionPlansExplanatory
865 33900 - Disclosure - Information on Subsidiaries (Tables) Network

*

*

 http://www.db.com/role/InformationOnSubsidiariesTables
866 Implied Table Table

*

*

 implied:Table
867 Information on Subsidiaries [Abstract] Abstract db:InformationOnSubsidiariesAbstract
868 Subsidiaries with significant non-controlling interests [text block table] Concept (Text Block (HTML)) For Period db:SubsidiariesWithSignificantNonControllingInterestsExplanatory
869 Carrying Amounts of Assets and Liabilities to which Restrictions Apply [text block table] Concept (Text Block (HTML)) For Period db:CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApplyExplanatory
870 34000 - Disclosure - Structured Entities (Tables) Network

*

*

 http://www.db.com/role/StructuredEntitiesTables
871 Implied Table Table

*

*

 implied:Table
872 Structured Entities [Abstract] Abstract db:StructuredEntitiesAbstract
873 Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests [text block table] Concept (Text Block (HTML)) For Period db:CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDBsInterestsExplanatory
874 34300 - Disclosure - Regulatory Capital Information (Tables) Network

*

*

 http://www.db.com/role/RegulatoryCapitalInformationTables
875 Implied Table Table

*

*

 implied:Table
876 Regulatory Capital Information [Abstract] Abstract db:RegulatoryCapitalInformationAbstract
877 Transitional template for regulatory capital RWA and capital ratios [text block table] Concept (Text Block (HTML)) For Period db:TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosExplanatory
878 Reconciliation of Shareholders Equity to Regulatory Capital [text block table] Concept (Text Block (HTML)) For Period db:ReconciliationOfShareholdersEquityToRegulatoryCapitalTablesExplanatory
879 34400 - Disclosure - Condensed Deutsche Bank AG (Deutsche Bank AG) Financial Information (Tables) Network

*

*

 http://www.db.com/role/CondensedDeutscheBankAGParentCompanyOnlyFinancialInformationTables
880 Implied Table Table

*

*

 implied:Table
881 Condensed Deutsche Bank AG (Parent Company only) Financial Information [Abstract] Abstract db:CondensedDeutscheBankAGParentCompanyOnlyFinancialInformationAbstract
882 Condensed Statement of Income (Parent Company only) [text block table] Concept (Text Block (HTML)) For Period db:CondensedStatementOfIncomeParentCompanyOnlyExplanatory
883 Condensed Balance Sheet (Parent Company only) [text block table] Concept (Text Block (HTML)) For Period db:CondensedBalanceSheetParentCompanyOnlyExplanatory
884 Condensed Statement of Cash Flows (Parent Company only) [text block table] Concept (Text Block (HTML)) For Period db:CondensedStatementOfCashFlowsParentCompanyOnlyExplanatory
885 Parent Company Long-Term Debt (Parent Company only) [text block table] Concept (Text Block (HTML)) For Period db:ParentCompanyLongTermDebtParentCompanyOnlyExplanatory
886 Staff Costs [text block table] Concept (Text Block (HTML)) For Period db:StaffCostsExplanatory
887 34500 - Disclosure - SEC Registered Trust Preferred Securities (Tables) Network

*

*

 http://www.db.com/role/SECRegisteredTrustPreferredSecuritiesTables
888 Implied Table Table

*

*

 implied:Table
889 SEC Registered Trust Preferred Securities [Abstract] Abstract db:SECRegisteredTrustPreferredSecuritiesAbstract
890 Issuance of Trust Preferred Securities [text block table] Concept (Text Block (HTML)) For Period db:IssuanceOfTrustPreferredSecuritiesExplanatory
891 50201 - Disclosure - Key Metrics (Detail) Network

*

*

 http://www.db.com/role/KeyRatios
892 Key Ratios [Table] Table

*

*

 db:KeyRatiosTable
893 Key Ratios [Axis] Axis db:KeyRatiosAxis
894 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
895 IAS 39 [Member] Member db:IAS39Member
896 IFRS 9 [Member] Member db:IFRS9Member
897 Impact [Member] Member db:ImpactMember
898 Key Ratios [Line Items] LineItems db:KeyRatiosLineItems
899 IFRS Total shareholders equity Concept (Monetary) As Of Credit db:ShareholdersEquityPerAccountingBalanceSheet
900 Common Equity Tier 1 capital fully loaded Concept (Monetary) As Of Credit db:CommonEquityTier1CapitalFullyLoaded
901 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
902 Tier 1 Capital fully loaded Concept (Monetary) As Of Credit db:Tier1CapitalFullyLoaded
903 CET 1 ratio fully loaded Concept (Percent) As Of db:CET1RatioFullyLoaded
904 CRD 4 leverage exposure measure (spot value at reporting date) Concept (Monetary) As Of Debit db:Crd4LeverageExposureMeasureSpotValueAtReportingDate
905 Leverage Ratio fully loaded Concept (Percent) As Of db:LeverageRatioFullyLoaded
906 Leverage Ratio phase-in Concept (Percent) As Of db:LeverageRatioPhaseIn
907 50201 - Disclosure - Key Metrics (Detail: Text Values) Network

*

*

 http://www.db.com/role/KeyMetricsTextValues
908 Key Ratios [Table] Table

*

*

 db:KeyRatiosTable
909 Key Ratios [Axis] Axis db:KeyRatiosAxis
910 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
911 Impact [Member] Member db:ImpactMember
912 Key Ratios [Line Items] LineItems db:KeyRatiosLineItems
913 IFRS Total shareholders equity Concept (Monetary) As Of db:IFRSSshareholdersEquity
914 of which: tax benefit Concept (Monetary) As Of db:IFRSSshareholdersEquityOfWhichTaxBenefit
915 50202 - Disclosure - Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Fully Loaded (Detail) Network

*

*

 http://www.db.com/role/ImpactOnRegulatoryCapitalRWAAndLeverageExposure1FullyLoaded
916 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Table] Table

*

*

 db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1FullyLoadedTable
917 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesAxis
918 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesDomainMember
919 Fully loaded [Member] Member db:FullyLoadedMember
920 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1Axis
921 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1DomainMember
922 Total shareholders equity [Member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
923 Common EquityTier 1 capital fully loaded [Member] Member db:CommonEquityTier1CapitalFullyLoadedMember
924 Tier 1 Capital fully loaded [Member] Member db:Tier1CapitalFullyLoadedMember
925 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Line Items] LineItems db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1LineItems
926 Balance, beginning of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityClosingBalanceIAS39
927 IFRS 9 changes from Concept (Monetary) As Of db:IFRS9Changes
928 Classification and Measurement Concept (Monetary) As Of Credit db:IFRS9ChangesFromClassificationAndMeasurement
929 Impairments Concept (Monetary) As Of Credit db:IFRS9ChangesFromImpairments
930 Tax effects from Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFrom
931 Classification and Measurement Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFromClassificationAndMeasurement
932 Impairments Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFromImpairments
933 IFRS 9 impact net of tax Concept (Monetary) As Of Credit db:IFRS9ImpactNetOfTax
934 Changes to regulatory deductions Abstract db:IFRS9TransitionChangesToRegulatoryDeductions
935 Negative amounts from the calculation of expected loss amounts Concept (Monetary) As Of Credit db:IFRS9TransitionNegativeAmountsFromTheCalculationOfExpectedLossAmounts
936 Balance, end of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityOpeningBalanceIFRS9
937 50202 - Disclosure - Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Fully loaded (Detail: Text Values) Network

*

*

 http://www.db.com/role/ImpactOnRegulatoryCapitalRWAAndLeverageExposure1FullyLoadedTextValues
938 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Table] Table

*

*

 db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1FullyLoadedTable
939 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesAxis
940 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesDomainMember
941 Fully loaded [Member] Member db:FullyLoadedMember
942 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1Axis
943 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1DomainMember
944 Common EquityTier 1 capital fully loaded [Member] Member db:CommonEquityTier1CapitalFullyLoadedMember
945 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Line Items] LineItems db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1LineItems
946 Phase-in percentage according to CRR transitional rules considered in pro forma view Concept (Percent) As Of db:PhaseInPercentageAccordingToCRRTransitionalRulesConsideredInProFormaView
947 50203 - Disclosure - Impact on Regulatory Capital, RWA, and Leverage Exposure 2 Fully Loaded (Detail) Network

*

*

 http://www.db.com/role/ImpactOnRegulatoryCapitalRWAAndLeverageExposure2FullyLoaded
948 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Table] Table

*

*

 db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2FullyLoadedTable
949 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesAxis
950 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesDomainMember
951 Fully loaded [Member] Member db:FullyLoadedMember
952 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2Axis
953 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2DomainMember
954 Risk Weighted Assets [Member] Member db:RiskWeightedAssetsTransitionalRulesMember
955 Leverage Exposure [Member] Member db:LeverageRatioTransitionalRulesMember
956 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Line Items] LineItems db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2LineItems
957 Balance, beginning of period Concept (Monetary) As Of Debit db:IFRS9TransitionClosingBalanceIAS39
958 Changes from Concept (Monetary) As Of db:IFRS9Changes
959 DTA RWA / Change of Total Assets Concept (Monetary) As Of db:IFRS9ChangesFromDTARWAChangeOfTotalAssets
960 SA RWA/ Lower Deductions Concept (Monetary) As Of db:IFRS9changesfromSARWALowerDeductions
961 Balance, end of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityOpeningBalanceIFRS9
962 Ratios, beginning of period Concept (Percent) As Of db:CapitalRatiosFullyLoadedClosingIAS39
963 Ratios, end of period Concept (Percent) As Of db:CapitalRatiosFullyLoadedOpeningIFRS9
964 Changes in bps Concept (Pure) As Of db:ChangesInBps
965 50204 - Disclosure - Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Transitional rules (Detail) Network

*

*

 http://www.db.com/role/ImpactOnRegulatoryCapitalRWAAndLeverageExposure1TransitionalRules
966 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 Transitional rules [Table] Table

*

*

 db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1TransitionalRulesTable
967 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesAxis
968 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesDomainMember
969 Transitional rules [Member] Member db:TransitionalRulesMember
970 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1Axis
971 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1DomainMember
972 Total shareholders equity [Member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
973 Common EquityTier 1 capital fully loaded [Member] Member db:CommonEquityTier1CapitalFullyLoadedMember
974 Tier 1 Capital fully loaded [Member] Member db:Tier1CapitalFullyLoadedMember
975 Impact on Regulatory Capital, RWA, and Leverage Exposure 1 [Line Items] LineItems db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure1LineItems
976 Balance, beginning of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityClosingBalanceIAS39
977 IFRS 9 changes from Concept (Monetary) As Of db:IFRS9Changes
978 Classification and Measurement Concept (Monetary) As Of Credit db:IFRS9ChangesFromClassificationAndMeasurement
979 Impairments Concept (Monetary) As Of Credit db:IFRS9ChangesFromImpairments
980 Tax effects from Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFrom
981 Classification and Measurement Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFromClassificationAndMeasurement
982 Impairments Concept (Monetary) As Of Credit db:IFRS9ChangesTaxEffectsFromImpairments
983 IFRS 9 impact net of tax Concept (Monetary) As Of Credit db:IFRS9ImpactNetOfTax
984 Changes to regulatory deductions Abstract db:IFRS9TransitionChangesToRegulatoryDeductions
985 Negative amounts from the calculation of expected loss amounts Concept (Monetary) As Of Credit db:IFRS9TransitionNegativeAmountsFromTheCalculationOfExpectedLossAmounts
986 Balance, end of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityOpeningBalanceIFRS9
987 50205 - Disclosure - Impact on Regulatory Capital, RWA, and Leverage Exposure 2 Transitional rules (Detail) Network

*

*

 http://www.db.com/role/ImpactOnRegulatoryCapitalRWAAndLeverageExposure2TransitionalRules
988 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 Transitional rules [Table] Table

*

*

 db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2TransitionalRulesTable
989 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesAxis
990 Impact on Regulatory Capital, RWA, and Leverage Exposure Fully loaded and Transitional rules [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposureFullyLoadedAndTransitionalRulesDomainMember
991 Transitional rules [Member] Member db:TransitionalRulesMember
992 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Axis] Axis db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2Axis
993 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Domain Member] Member db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2DomainMember
994 Risk Weighted Assets [Member] Member db:RiskWeightedAssetsTransitionalRulesMember
995 Leverage Exposure [Member] Member db:LeverageRatioTransitionalRulesMember
996 Impact on Regulatory Capital, RWA, and Leverage Exposure 2 [Line Items] LineItems db:ImpactOnRegulatoryCapitalRWAAndLeverageExposure2LineItems
997 Balance, beginning of period Concept (Monetary) As Of Debit db:IFRS9TransitionClosingBalanceIAS39
998 Changes from Concept (Monetary) As Of db:IFRS9Changes
999 DTA RWA / Change of Total Assets Concept (Monetary) As Of db:IFRS9ChangesFromDTARWAChangeOfTotalAssets
1000 SA RWA/ Lower Deductions Concept (Monetary) As Of db:IFRS9changesfromSARWALowerDeductions
1001 Balance, end of period Concept (Monetary) As Of Credit db:IFRS9TransitionEquityOpeningBalanceIFRS9
1002 Ratios, beginning of period Concept (Percent) As Of db:CapitalRatiosFullyLoadedClosingIAS39
1003 Ratios, end of period Concept (Percent) As Of db:CapitalRatiosFullyLoadedOpeningIFRS9
1004 Changes in bps Concept (Pure) As Of db:ChangesInBps
1005 50206 - Disclosure - Credit Risk Profile by Business Division (Detail) Network

*

*

 http://www.db.com/role/CreditRiskProfileByBusinessDivision
1006 Credit Risk Profile by Business Division [Table] Table

*

*

 db:CreditRiskProfileByBusinessDivisionTable
1007 Segments [Axis] Axis ifrs-full:SegmentsAxis
1008 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1009 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1010 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1011 Asset Management [Member] Member db:AssetManagementMember
1012 Corporate & Other [Member] Member db:CorporateAndOtherMember
1013 Credit Risk Profile by Business Division [Line Items] LineItems db:CreditRiskProfileByBusinessDivisionLineItems
1014 Loans under credit risk profile Concept (Monetary) As Of Credit db:LoansUnderCreditRiskProfile
1015 Off-balance sheet under credit risk profile Concept (Monetary) As Of Credit db:OffBalanceSheetRiskProfile
1016 OTC derivates under credit risk profile Concept (Monetary) As Of Credit db:OtcDerivatestRiskProfile
1017 Debt securities under credit risk profile Concept (Monetary) As Of Credit db:DebtSecuritiesRiskProfile
1018 Repo and repostyle transactions under credit risk profile Concept (Monetary) As Of Credit db:RepoAndRepostyleTransactionsRiskProfile
1019 Total credit risk profile Concept (Monetary) As Of Credit db:TotalRiskProfile
1020 50207 - Disclosure - Classification and Measurement (Detail) Network

*

*

 http://www.db.com/role/ClassificationAndMeasurementDetail
1021 Classification and Measurement [Table] Table

*

*

 db:ClassificationAndMeasurementTable
1022 Classification and Measurement [Axis] Axis db:ClassificationAndMeasurementAxis
1023 Classification and Measurement [Domain Member] Member db:ClassificationAndMeasurementDomainMember
1024 IFRS 9 Transition closing balance [Member] Member db:IFRS9TransitionClosingBalanceIAS39Member
1025 Reclassifications [Member] Member db:ReclassificationsMember
1026 Remeasurement [Member] Member db:RemeasurementsMember
1027 IFRS 9 Transition opening balance [Member] Member db:IFRS9TransitionOpeningBalanceIFRS9Member
1028 Classification and Measurement [Line Items] LineItems db:ClassificationAndMeasurementLineItems
1029 Fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
1030 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:FVTPLFromAvailableForSaleIAS39
1031 From Amortized Cost (IAS 39) Concept (Monetary) As Of Debit db:FVTPLFromAmortizedCostIAS39
1032 To Amortised Cost (IFRS 9) Concept (Monetary) As Of Credit db:FVTPLToAmortizedCostIFRS9
1033 To Fair Value through Other Comprehensive Income (IRFS 9) Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedOutOfFairValueThroughProfitOrLossAndIntoFairValueThroughOtherComprehensiveIncomeInitialApplicationOfIFRS9
1034 Total Fair Value through Profit or Loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1035 Financial assets at fair value through other comprehensive income [Abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
1036 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:FVTOCIFromAvailableForSaleIAS39
1037 From Amortized Cost (IAS 39) Concept (Monetary) As Of Debit db:FVTOVIFromAmortizedCostIAS39
1038 From Fair Value through Profit or Loss (IAS 39) Concept (Monetary) As Of Debit db:FVTOCIFromFVTPLIAS39
1039 To Amortised Cost (IFRS 9) Concept (Monetary) As Of Debit db:FVTOCIToAmortisedCostIFRS9
1040 To Fair Value through Profit or Loss (IFRS 9) Concept (Monetary) As Of Debit db:FVTOCIToFVTPLIFRS9
1041 Total financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1042 Amortised Cost [Abstract] Abstract db:FinancialAssestMeasuredAtAmortisedCostAbstract
1043 From Amortized Cost (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromAmortizedCostIAS39
1044 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromAvailableForSaleIAS39
1045 From Fair Value through Profit or Loss (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromFVTPLIAS39
1046 To Fair Value through Other Comprehensive Income Concept (Monetary) As Of Debit db:AmortisedCostToFVTOCIIFRS9
1047 To Fair Value through Profit or Loss (IFRS 9) Concept (Monetary) As Of Debit db:AmortisedCostToFVTPLIFRS9
1048 Total Amortised Cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1049 Tax Assets Concept (Monetary) As Of Debit db:TaxAssets
1050 Available for Sale (IAS 39) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1051 Held to Maturity (IAS 39) Concept (Monetary) As Of Debit ifrs-full:HeldtomaturityInvestments
1052 Total Financial Asset balances affected by IFRS 9, Reclassifications and Remeasurements Concept (Monetary) As Of Debit db:FinancialAssetBalancesAffectedByIFRS9ReclassificationsAndRemeasurements
1053 50208 - Disclosure - Impairment (Detail) Network

*

*

 http://www.db.com/role/ImpairmentDetail
1054 Impairment [Table] Table

*

*

 db:ImpairmentTable
1055 Impairment [Axis] Axis db:ImpairmentAxis
1056 Impairment [Domain Member] Member db:ImpairmentDomainMember
1057 IAS 39 Allowance for On-and Off- Balance Sheet positions Member db:IFRS9TransitionClosingBalanceIAS39Member
1058 Changes due to reclassifications Member db:ReclassificationsMember
1059 Changes due to the introduction of the IFRS 9 ECL model Member db:RemeasurementsMember
1060 IFRS 9 Allowance for On-and Off- Balance Sheet Positions Member db:IFRS9TransitionOpeningBalanceIFRS9Member
1061 Impairment [Line Items] LineItems db:ImpairmentLineItems
1062 Financial assets at fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
1063 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:FVTPLFromAvailableForSaleIAS39
1064 From Amortized Cost (IAS 39) Concept (Monetary) As Of Debit db:FVTPLFromAmortizedCostIAS39
1065 To amortised cost (IFRS 9) Concept (Monetary) As Of Credit db:FVTPLToAmortisedCostIFRS9
1066 To Fair Value through Other Comprehensive Income (IRFS 9) Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedOutOfFairValueThroughProfitOrLossAndIntoFairValueThroughOtherComprehensiveIncomeInitialApplicationOfIFRS9
1067 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1068 Financial assets at fair value through other comprehensive income [Abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
1069 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:FVTOCIFromAvailableForSaleIAS39
1070 From amortised cost (IAS 39) Concept (Monetary) As Of Credit db:FVTOCIFromAmortizedCostIAS39
1071 From Fair Value through Profit or Loss (IAS 39) Concept (Monetary) As Of Debit db:FVTOCIFromFVTPLIAS39
1072 To Amortised Cost (IFRS 9) Concept (Monetary) As Of Debit db:FVTOCIToAmortisedCostIFRS9
1073 To Fair Value through Profit or Loss (IFRS 9) Concept (Monetary) As Of Debit db:FVTOCIToFVTPLIFRS9
1074 Total financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1075 Amortised Cost [Abstract] Abstract db:FinancialAssestMeasuredAtAmortisedCostAbstract
1076 From Amortized Cost (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromAmortizedCostIAS39
1077 From Available for Sale (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromAvailableForSaleIAS39
1078 From Fair Value through Profit or Loss (IAS 39) Concept (Monetary) As Of Debit db:AmortisedCostFromFVTPLIAS39
1079 To Fair Value through Other Comprehensive Income Concept (Monetary) As Of Debit db:AmortisedCostToFVTOCIIFRS9
1080 To Fair Value through Profit or Loss (IFRS 9) Concept (Monetary) As Of Debit db:AmortisedCostToFVTPLIFRS9
1081 Total Amortised Cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1082 Total On Balance Sheet Positions affected by IFRS 9 ECL Model Concept (Monetary) As Of Credit db:OnBalanceSheetPositionsAffectedByIFRS9ECLModel
1083 Off Balance Sheet Concept (Monetary) As Of Credit db:OffBSPositionsAffectedByIFRS9ECLModel
1084 Total On- and Off Balance Sheet Positions affected by IFRS 9 ECL Model Concept (Monetary) As Of Credit db:OnAndOffBalanceSheetPositionsAffectedByIFRS9ECLModel
1085 50301 - Disclosure - DBs Ownership Interest following Initial Public Offering of DWS Shares (Detail) Network

*

*

 http://www.db.com/role/DBsOwnershipInterestFollowingInitialPublicOfferingOfDWSShares
1086 Implied Table Table

*

*

 implied:Table
1087 DBs Ownership Interest following Initial Public Offering of DWS Shares [Abstract] Abstract db:DBsOwnershipInterestFollowingInitialPublicOfferingOfDWSSharesAbstract
1088 Deutsche Banks ownership interest at the time of the IPO Concept (Monetary) As Of db:DeutscheBanksOwnershipInterestAtTheTimeOfTheIPO
1089 Net decrease in Deutsche Banks ownership interests Concept (Monetary) For Period db:NetDecreaseInDeutscheBanksOwnershipInterests
1090 Deutsche Banks share of net income or loss Concept (Monetary) For Period db:DeutscheBanksShareOfNetIncomeOrLoss
1091 Deutsche Banks share of other comprehensive income Concept (Monetary) For Period db:DeutscheBanksShareOfOtherComprehensiveIncome
1092 Deutsche Banks share of other equity changes Concept (Monetary) For Period db:DeutscheBanksShareOfOtherEquityChanges
1093 Deutsche Banks ownership interest at the end of the period Concept (Monetary) As Of db:DeutscheBanksOwnershipInterestAtTheEndOfThePeriod
1094 Excess Amount from the IPO Concept (Monetary) As Of db:ExcessAmountFromTheIPO
1095 Total Effect on Shareholders Equity from a Change in DB Ownership Interest in DWS, at the end of the reporting period Concept (Monetary) As Of db:EffectOnShareholdersEquityFromAChangeInDBOwnershipInterestInDWS
1096 50301 - Disclosure - DBs Ownership Interest following Initial Public Offering of DWS Shares (Detail: Text Values) Network

*

*

 http://www.db.com/role/DBsOwnershipInterestFollowingInitialPublicOfferingOfDWSSharesTextValues
1097 Implied Table Table

*

*

 implied:Table
1098 DBs Ownership Interest following Initial Public Offering of DWS Shares [Abstract] Abstract db:DBsOwnershipInterestFollowingInitialPublicOfferingOfDWSSharesAbstract
1099 Total placement volume of DWS shares Concept (Shares) As Of db:PlacementVolumeOfDWSSharesInMillion
1100 Included: over-allotments (greenshoe) of shares Concept (Shares) As Of db:IncludedOverAllotmentsGreenshoeOfShares
1101 Share price offered in the IPO as announced on March 22, 2018 in EUR per share Concept (Share) As Of db:SharePriceOfferedInTheIPOAsAnnouncedOnMarch22
1102 Number of DWS shares sold as of March 31, 2018, in shares Concept (Shares) As Of db:NumberOfDWSSharesSoldAsOfMarch31
1103 Market capitalization of DWS based on the placement price Concept (Monetary) As Of db:MarketCapitalizationOfDWSBasedOnThePlacementPrice
1104 Gross proceeds from placement of DWS shares Concept (Monetary) As Of db:GrossProceedsFromPlacementOfDWSShares
1105 Proportion of outside shareholders in DWS after placement, in percent Concept (Percent) As Of db:ProportionOfOutsideShareholdersInDWSAfterPlacement
1106 Carrying amount of DWS net assets in the Groups consolidated financial statements on the date of the IPO Concept (Monetary) As Of db:CarryingAmountOfDWSNetAssetsInTheGroupConsolidatedFinancialStatementsOnTheDateOfTheIPO
1107 Alloction of shares out of the total greenshoe volume of 4.5 million shares to new shareholders by the end of the stabilization period (April 20, 2018), in shares Concept (Shares) As Of db:AlloctionOfSharesOutOfTheTotalGreenshoeVolumeToNewShareholdersByTheEndOfTheStabilizationPeriod
1108 Proportion of outside shareholders in DWS by the end of the stabilization period, in percent Concept (Percent) As Of db:ProportionOfOutsideShareholdersInDWSByTheEndOfTheStabilizationPeriod
1109 50302 - Disclosure - Assets and liabilities disposed (Detail) Network

*

*

 http://www.db.com/role/AssetsAndLiabilitiesDisposed
1110 Implied Table Table

*

*

 implied:Table
1111 Assets and liabilities disposed Abstract db:AssetsAndLiabilitiesDisposedAbstract
1112 Cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
1113 All remaining assets Concept (Monetary) For Period Debit ifrs-full:AssetsOtherThanCashOrCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
1114 Total assets disposed Concept (Monetary) For Period Debit db:TotalAssetsDisposedTotal
1115 Total liabilities disposed Concept (Monetary) For Period Credit ifrs-full:LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013
1116 50302 - Disclosure - Assets and liabilities disposed (Detail: Text Values) Network

*

*

 http://www.db.com/role/AssetsAndLiabilitiesDisposedParenthetical
1117 Implied Table Table

*

*

 implied:Table
1118 Assets and liabilities disposed Abstract db:AssetsAndLiabilitiesDisposedAbstract
1119 Total cash consideration received for dispositions of subsidiaries/businesses Concept (Monetary) For Period Credit ifrs-full:ConsiderationPaidReceived
1120 of which: in cash Concept (Monetary) As Of db:CashConsiderationReceivedForDispositionsOfSubsidiariesBusinessesOfWhichInCash
1121 50401 - Disclosure - Management Report - Segment Results of Operations (Detail) Network

*

*

 http://www.db.com/role/SegmentResultsOfOperations
1122 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1123 Segments [Axis] Axis ifrs-full:SegmentsAxis
1124 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1125 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1126 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1127 Asset Management [Member] Member db:AssetManagementMember
1128 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
1129 Corporate & Other [Member] Member db:CorporateAndOtherMember
1130 Segment Results of Operations [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1131 Net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1132 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1133 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1134 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1135 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1136 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ExpenseForPolicyholderClaimsAndBenefitsWithoutReductionForReinsuranceHeld
1137 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1138 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1139 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1140 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1141 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1142 Cost/income ratio Concept (Percent) For Period db:CosIincomeRatio
1143 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1144 Additions to non-current assets Concept (Monetary) As Of Debit db:ExpendituresForAdditionsToLongLivedAssets
1145 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1146 CRD 4 leverage exposure measure (spot value at reporting date) Concept (Monetary) As Of Debit db:Crd4LeverageExposureMeasureSpotValueAtReportingDate
1147 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1148 Average tangible shareholders equity Concept (Monetary) For Period Debit db:AverageTangibleShareholdersEquity
1149 Post-tax return on average tangible shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquity
1150 Post-tax return on average shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageShareholdersEquity
1151 Includes, Net Interest Abstract db:OneIncludes
1152 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1153 Net income (loss) from equity method investments Concept (Monetary) For Period Credit db:NetIncomeLossFromEquityMethodInvestments
1154 Includes, Equity Method Abstract db:TwoIncludes
1155 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1156 50401 - Disclosure - Management Report - Segment Results of Operations (Detail: Text Values) Network

*

*

 http://www.db.com/role/SegmentResultsOfOperationsTextValues
1157 Segment Results of Operations, Text Values [Table] Table

*

*

 db:SegmentResultsOfOperationTextValuesTable
1158 Segment Results of Operations, Text Values [Axis] Axis db:SegmentResultsOfOperationTextValuesAxis
1159 Segment Results of Operations, Text Values [Domain Member] Member db:SegmentResultsOfOperationTextValuesDomainMember
1160 Segment Results of Operations, Text Values [Member] Member db:SegmentResultsOfOperationTextValuesMember
1161 Segment Results of Operations [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1162 Effective tax rate for the Group, reflected in the post-tax return on average tangible shareholders equity and average shareholders equity at the Group level Concept (Percent) For Period db:EffectiveTaxRateForTheGroupReflectedInThePostTaxReturnOnAverageTangibleShareholdersEquityAndAverageShareholdersEquityAtTheGroupLevel
1163 Effective tax rate for the group adjusted to exclude the impact of permanent differences not attributed to the segments, reflected in the post-tax return on average tangible shareholders equity and average shareholders equity of the segments Concept (Percent) For Period db:EffectiveTaxRateForGroupAdjustedToExcludeImpactOfPermanentDifferencesNotAttributedToSegmentsReflectedInPostTaxReturnOnAverageTangibleShareholdersEquityAndAverageShareholdersEquityOfTheSegments
1164 Applied tax rate for post-tax return on average tangible shareholders equity and average shareholders equity of the segments Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquity
1165 50402 - Disclosure - Management Report - Corporate Divisions - Corporate & Investment Bank (Detail) Network

*

*

 http://www.db.com/role/CorporateAndInvestmentBank
1166 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1167 Segments [Axis] Axis ifrs-full:SegmentsAxis
1168 Segments [Domain Member] Member ifrs-full:SegmentsMember
1169 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1170 Corporate and Investment Bank [Line Items] LineItems db:CorporateAndInvestmentBankLineItems
1171 Net revenues [Abstract] Abstract ifrs-full:RevenueAbstract
1172 Global Transaction Banking Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossGlobalTransactionBanking
1173 Equity Origination Concept (Monetary) For Period Credit db:EquityOrigination
1174 Debt Origination Concept (Monetary) For Period Credit db:DebtOrigination
1175 Advisory Concept (Monetary) For Period Credit db:Advisory
1176 Origination and Advisory Concept (Monetary) For Period Credit db:OriginationAndAdvisory
1177 Financing Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossFinancing
1178 Sales & Trading (Equity) Concept (Monetary) For Period Credit db:SalesAndTradingEquity
1179 Sales & Trading (FIC) Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesAndTradingFIC
1180 Sales & Trading Concept (Monetary) For Period Credit db:SalesAndTradingCorporateAndInvestmentBank
1181 Other Concept (Monetary) For Period Credit db:OtherCorporateAndInvestmentBank
1182 Total net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1183 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1184 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1185 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1186 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1187 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
1188 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1189 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1190 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1191 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1192 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1193 Cost/income ratio Concept (Percent) For Period db:CosIincomeRatio
1194 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1195 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1196 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1197 Post-tax return on average tangible shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquity
1198 Post-tax return on average shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageShareholdersEquity
1199 50403 - Disclosure - Management Report - Corporate Divisions - Private & Commercial Bank (Detail) Network

*

*

 http://www.db.com/role/PrivateAndCommercialBank
1200 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1201 Segments [Axis] Axis ifrs-full:SegmentsAxis
1202 Segments [Domain Member] Member ifrs-full:SegmentsMember
1203 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1204 Private & Commercial Bank [Line Items] LineItems db:PrivateAndCommercialBankLineItems
1205 Net revenues [Abstract] Abstract ifrs-full:RevenueAbstract
1206 Private & Commercial Business (Germany) Concept (Monetary) For Period Credit db:PrivateAndCommercialBusinessGermany
1207 Private & Commercial Business (Germany), increase/decrease Concept (Monetary) For Period Credit db:PrivateAndCommercialBusinessGermanyIncreaseDecrease
1208 Private & Commercial Business (Germany), increase/decrease; in percent Concept (Percent) For Period db:PrivateAndCommercialBusinessGermanyIncreaseDecreaseInPercent
1209 Private and Commercial Business (International) Concept (Monetary) For Period Credit db:PrivateAndCommercialBusinessInternational
1210 Private and Commercial Business (International), increase/decrease Concept (Monetary) For Period Credit db:PrivateAndCommercialBusinessInternationalIncreaseDecrease
1211 Private and Commercial Business (International), increase/decrease, in percent Concept (Percent) For Period db:PrivateAndCommercialBusinessInternationalIncreaseDecreaseInPercent
1212 Postbank Concept (Monetary) For Period Credit db:Postbank
1213 Postbank, increase/decrease Concept (Monetary) For Period Credit db:PostbankIncreaseDecrease
1214 Postbank, increase/decrease, in percent Concept (Percent) For Period db:PostbankIncreaseDecreasePercent
1215 Wealth Management Concept (Monetary) For Period db:WealthManagement
1216 Wealth Management, increase/decrease Concept (Monetary) For Period db:WealthManagementIncreaseDecrease
1217 Wealth Management, increase/decrease, in percent Concept (Percent) For Period db:WealthManagementIncreaseDecreaseInPercent
1218 Hua Xia Concept (Monetary) For Period Credit db:HuaXia
1219 Hua Xia, increase/decrease Concept (Monetary) For Period Credit db:HuaXiaIncreaseDecrease
1220 Hua Xia, increase/decrease, in percent Concept (Percent) For Period db:HuaXiaIncreaseDecreaseInPercent
1221 Exited Businesses Concept (Monetary) For Period Credit db:ExitedBusinesses
1222 Exited Businesses, increase/decrease Concept (Monetary) For Period Credit db:ExitedBusinessesIncreaseDecrease
1223 Exited Businesses, increase/decrease, in percent Concept (Percent) For Period db:ExitedBusinessesIncreaseDecreaseInPercent
1224 Total net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1225 Total net revenues, increase/decrease Concept (Monetary) For Period Credit db:RevenueIncreaseDecrease
1226 Total net revenues, increase/decrease, in percent Concept (Percent) For Period db:RevenueIncreaseDecreaseInPercent
1227 thereof [Abstract] Abstract db:ThereofAbstract
1228 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1229 Net interest income, increase/decrease Concept (Monetary) For Period Credit db:InterestRevenueExpenseIncreaseDecrease
1230 Net interest income, increase/decrease, in percent Concept (Percent) For Period db:InterestRevenueExpenseIncreaseDecreaseInPercent
1231 Commission and fee income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncome
1232 Remaining income Concept (Monetary) For Period db:RemainingIncome
1233 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1234 Provision for credit losses, increase/decrease Concept (Monetary) For Period db:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecrease
1235 Provision for credit losses, increase/decrease, in percent Concept (Monetary) For Period db:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssetsIncreaseDecreaseInPercent
1236 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1237 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1238 Compensation and benefits, increase/decrease Concept (Monetary) For Period Debit db:EmployeeBenefitsExpenseIncreaseDecrease
1239 Compensation and benefits, increase/decrease, in percent Concept (Percent) For Period db:EmployeeBenefitsExpenseIncreaseDecreaseInPercent
1240 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1241 General and administrative expenses, increase/decrease Concept (Monetary) For Period Debit db:GeneralAndAdministrativeExpenseIncreaseDecrease
1242 General and administrative expenses, increase/decrease, in percent Concept (Percent) For Period db:GeneralAndAdministrativeExpenseIncreaseDecreaseInPercent
1243 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
1244 Policyholder benefits and claims, increase/decrease Concept (Monetary) For Period Debit db:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveriesIncreaseDecrease
1245 Policyholder benefits and claims, increase/decrease, in percent Concept (Percent) For Period db:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveriesIncreaseDecreaseInPercent
1246 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1247 Impairment of goodwill and other intangible assets, increase/decrease Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssetsIncreaseDecrease
1248 Impairment of goodwill and other intangible assets, increase/decrease, in percent Concept (Percent) For Period db:ImpairmentOfGoodwillAndOtherIntangibleAssetsIncreaseDecreaseInPercent
1249 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1250 Restructuring activities, increase/decrese Concept (Monetary) For Period Debit db:ExpenseOfRestructuringActivitiesIncreaseDecrease
1251 Restructuring activities, increase/decrese, in percent Concept (Percent) For Period db:ExpenseOfRestructuringActivitiesIncreaseDecreaseInPercent
1252 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1253 Total noninterest expenses, increase/decrease Concept (Monetary) For Period Debit db:NoninterestExpensesIncreaseDecrease
1254 Total noninterest expenses, increase/decrease, in percent Concept (Percent) For Period db:NoninterestExpensesIncreaseDecreaseInPercent
1255 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1256 Noncontrolling interests, increase/decrease Concept (Monetary) For Period Credit db:NonControllingInterestSegmentsIncreaseDecrease
1257 Noncontrolling interests, increase/decrease, in percent Concept (Percent) For Period db:NonControllingInterestSegmentsIncreaseDecreaseInPercent
1258 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1259 Income (loss) before income taxes, increase/decrease Concept (Monetary) For Period Credit db:ProfitLossBeforeTaxIncreaseDecrease
1260 Income (loss) before income taxes, increase/decrease, in percent Concept (Percent) For Period db:ProfitLossBeforeTaxIncreaseDecreaseInPercent
1261 Cost/income ratio Concept (Percent) For Period db:CosIincomeRatio
1262 Cost/income ratio, increase/decrease Concept (Percent) For Period db:CosIincomeRatioIncreaseDecrease
1263 Cost/income ratio, increase/decrease, in ppt Concept (Pure) For Period db:CosIincomeRatioIncreaseDecreaseInPPT
1264 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1265 Assets, increase/decrease Concept (Monetary) As Of Debit db:AssetsIncreaseDecrease
1266 Assets, increase/decrease, in percent Concept (Percent) As Of db:AssetsIncreaseDecreaseInPercent
1267 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1268 Risk-weighted assets, increase/decrease Concept (Monetary) As Of Debit db:RiskWeightedAssetsIncreaseDecrease
1269 Risk-weighted assets, increase/decrease, in percent Concept (Percent) As Of db:RiskWeightedAssetsIncreaseDecreaseInPercent
1270 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1271 Average shareholders equity, increase/decrease Concept (Monetary) As Of Debit db:AverageShareholdersEquityIncreaseDecrease
1272 Average shareholders equity, increase/decrease, in percent Concept (Percent) As Of db:AverageShareholdersEquityIncreaseDecreaseInPercent
1273 Post-tax return on average tangible shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquity
1274 Post-tax return on average tangible shareholders equity, increase/decrease Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquityIncreaseDecrease
1275 Post-tax return on average tangible shareholders equity, increase/decrease, in ppt Concept (Pure) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquityIncreaseDecreaseInPPT
1276 Post-tax return on average shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageShareholdersEquity
1277 Post-tax return on average shareholders equity, increase/decrease Concept (Percent) For Period db:PostTaxReturnOnAverageShareholdersEquityIncreaseDecrease
1278 Post-tax return on average shareholders equity, increase/decrease, in ppt Concept (Pure) For Period db:PostTaxReturnOnAverageShareholdersEquityIncreaseDecreaseInPPT
1279 Remaining income, increase/decrease Concept (Monetary) For Period db:RemainingIncomeIncreaseDecrease
1280 Remaining income, increase/decrease, in percent Concept (Percent) For Period db:RemainingIncomeIncreaseDecreaseInPercent
1281 50404 - Disclosure - Management Report - Corporate Divisions - Asset Management (Detail) Network

*

*

 http://www.db.com/role/DeutscheAssetManagement
1282 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1283 Segments [Axis] Axis ifrs-full:SegmentsAxis
1284 Segments [Domain Member] Member ifrs-full:SegmentsMember
1285 Asset Management [Member] Member db:AssetManagementMember
1286 Deutsche Asset Management [Line Items] LineItems db:DeutscheAssetManagementLineItems
1287 Net revenues [Abstract] Abstract ifrs-full:RevenueAbstract
1288 Management Fees Concept (Monetary) For Period Credit db:ManagementFees
1289 Performance and transaction fees Concept (Monetary) For Period Credit db:PerformanceAndTransactionFees
1290 Other revenues Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
1291 Mark-to-market movements on policyholder positions in Abbey Life Concept (Monetary) For Period Credit db:MarkToMarketMovementsOnPolicyholderPositionsInAbbeyLife
1292 Total net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1293 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1294 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1295 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1296 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1297 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
1298 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1299 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1300 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1301 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1302 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1303 Cost/income ratio Concept (Percent) For Period db:CosIincomeRatio
1304 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1305 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1306 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1307 Post-tax return on average tangible shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageTangibleShareholdersEquity
1308 Post-tax return on average shareholders equity Concept (Percent) For Period db:PostTaxReturnOnAverageShareholdersEquity
1309 50405 - Disclosure - Management Report - Corporate Divisions - Non-Core Operations Unit (Detail) Network

*

*

 http://www.db.com/role/NonCoreOperationsUnit
1310 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1311 Segments [Axis] Axis ifrs-full:SegmentsAxis
1312 Segments [Domain Member] Member ifrs-full:SegmentsMember
1313 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
1314 Non-Core Operations Unit [Line Items] LineItems db:NonCoreOperationsUnitLineItems
1315 Net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1316 thereof [Abstract] Abstract db:ThereofAbstract
1317 Net interest income and net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
1318 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1319 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1320 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1321 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1322 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
1323 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1324 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1325 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1326 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1327 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1328 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1329 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1330 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1331 50406 - Disclosure - Management Report - Corporate Divisions - Corporate & Other (Detail) Network

*

*

 http://www.db.com/role/ConsolidationsAndAdjustments
1332 Segment Results of Operations [Table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1333 Segments [Axis] Axis ifrs-full:SegmentsAxis
1334 Segments [Domain Member] Member ifrs-full:SegmentsMember
1335 Corporate & Other [Member] Member db:CorporateAndOtherMember
1336 Consolidations & Adjustments [Line Items] LineItems db:ConsolidationsAndAdjustmentsLineItems
1337 Net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1338 Provision for credit losses Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1339 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
1340 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1341 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1342 Policyholder benefits and claims Concept (Monetary) For Period Debit ifrs-full:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries
1343 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
1344 Restructuring activities Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1345 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
1346 Noncontrolling interests Concept (Monetary) For Period Credit db:NonControllingInterestSegments
1347 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1348 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1349 Risk-weighted assets Concept (Monetary) As Of Debit db:RiskWeightedAssets
1350 Average shareholders equity Concept (Monetary) As Of Debit db:AverageShareholdersEquity
1351 50407 - Disclosure - Entity-Wide Disclosures by Geographic Area (Detail) Network

*

*

 http://www.db.com/role/EntityWideDisclosuresByGeographicArea
1352 Entity-Wide Disclosures by Geographic Area [Table] Table

*

*

 db:EntityWideDisclosuresByGeographicAreaTable
1353 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
1354 Total countries [Domain Member] Member country:AllCountriesDomain
1355 Germany [Member] Member country:DE
1356 UK [Member] Member country:GB
1357 Rest of Europe, Middle East and Africa [Member] Member db:RestOfEuropeMiddleEastAndAfricaMember
1358 Americas [Member] Member srt:AmericasMember
1359 Asia/Pacific [Member] Member srt:AsiaPacificMember
1360 Segments [Axis] Axis ifrs-full:SegmentsAxis
1361 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1362 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1363 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1364 Asset Management [Member] Member db:AssetManagementMember
1365 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
1366 Corporate & Other [Member] Member db:CorporateAndOtherMember
1367 Entity-Wide Disclosures by Geographic Area [Line Items] LineItems db:EntityWideDisclosuresByGeographicAreaLineItems
1368 Net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1369 50407 - Disclosure - Entity-Wide Disclosures by Geographic Area (Detail: Text Values) Network

*

*

 http://www.db.com/role/EntityWideDisclosuresByGeographicAreaTextValues
1370 Implied Table Table

*

*

 implied:Table
1371 Entity-Wide Disclosures by Geographic Area [Abstract] Abstract db:EntityWideDisclosuresByGeographicAreaAbstract
1372 Percentage of revenues moved from category Financing to Sales & Trading (FIC) on 2017 basis, more than: Concept (Percent) As Of db:PercentageOfRevenuesMovedFromCategoryFinancingToSalesAndTradingFICOnPreviousYearBasisMoreThan
1373 Infrastructure expenses relating to shareholder activities no longer allocated to segments, instead reported under Corporate & Other (C&O) Concept (Monetary) As Of db:InfrastructureExpensesRelatingToShareholderActivitiesNoLongerAllocatedToSegmentsInsteadReportedUnderCorporateAndOtherCAndO
1374 Increase of net interest income in CIB due to presentation of tax-exempt securities as fully taxable, offsetted by reversal in C&O Concept (Monetary) For Period db:IncreaseOfNetInterestIncomeInCibDueToPresentationOfTaxExemptSecuritiesAsFullyTaxableOffsettedByReversalInCO
1375 50501 - Disclosure - Net Interest Income (Detail) Network

*

*

 http://www.db.com/role/NetInterestIncome
1376 Implied Table Table

*

*

 implied:Table
1377 Net Interest Income [Abstract] Abstract db:NetInterestIncomeAbstract
1378 Interest and similar income: Abstract db:InterestAndSimilarIncomeAbstract
1379 Interest income on cash and central bank balances Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnCashAndBankBalancesAtCentralBanks
1380 Interest income on interbank balances (w/o central banks) Concept (Monetary) For Period Credit db:InterestIncomeOnInterbankBalancesWOCentralBanks
1381 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
1382 Interest income on financial assets available for sale Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnAvailableforsaleFinancialAssets
1383 Dividend income on financial assets available for sale Concept (Monetary) For Period Credit db:DividendIncomeOnFinancialAssetsAvailableForSale
1384 Loans Concept (Monetary) For Period Credit db:LoansNetInterestIncome
1385 Interest income on securities held to maturity Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnHeldtomaturityInvestments
1386 Other Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnOtherFinancialAssets
1387 Total Interest and similar income from assets at amortized cost Concept (Monetary) For Period Credit ifrs-full:InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost
1388 Interest income from assets at fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueForFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1389 Total Interest and similar income not at fair value through profit or loss Concept (Monetary) For Period Credit db:lInterestAndSimilarIncomeNotAtFairValueThroughProfitOrLoss
1390 Financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss
1391 Total interest and similar income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1392 Interest expense: Abstract db:InterestExpenseAbstract
1393 Interest-bearing deposits Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDepositsFromBanks
1394 Central bank funds purchased and securities sold under repurchase agreements Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnRepurchaseAgreementsAndCashCollateralOnSecuritiesLent
1395 Other short-term borrowings Concept (Monetary) For Period Debit db:OtherShortTermBorrowingsNetInterestIncome
1396 Long-term debt Concept (Monetary) For Period Debit db:LongTermDebtNetInterestncome
1397 Trust preferred securities Concept (Monetary) For Period Debit db:TrustPreferredSecuritiesNetInterestIncome
1398 Other Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnOtherFinancialLiabilities
1399 Total Interest expense not at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:InterestExpenseForFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
1400 Financial liabilities at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1401 Total interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1402 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1403 50501 - Disclosure - Net Interest Income (Detail: Text Values) Network

*

*

 http://www.db.com/role/NetInterestIncomeParenthetical
1404 Implied Table Table

*

*

 implied:Table
1405 Reclassification [Abstract] Abstract db:ReclassificationAbstract
1406 From "interest and similar income" Concept (Monetary) As Of db:ReclassificationFromInterestAndSimilarIncome
1407 To "interest expense" Concept (Monetary) As Of db:ReclassificationToInterestExpense
1408 Net Interest Income [Abstract] Abstract db:NetInterestIncomeAbstract
1409 Government grants under the (TLTRO II) program included in Other interest income Concept (Monetary) For Period Credit db:GovernmentGrantsUnderTheTLTROIIProgramIncludedInOtherInterestIncome
1410 Interest income recorded on impaired financial assets Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnImpairedFinancialAssetsAccrued
1411 50502 - Disclosure - Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss (Detail) Network

*

*

 http://www.db.com/role/NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
1412 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Table] Table

*

*

 db:NetGainsOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTable
1413 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Axis] Axis db:NetGainsOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossAxis
1414 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Domain Member] Member db:NetGainsOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossDomainMember
1415 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Member] Member db:NetGainsOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossMember
1416 Fair Value [Axis] Axis db:FairValueAxis
1417 Total Fair Value [Domain Member] Member db:TotalFairValueDomainMember
1418 Trading Fair Value [Member] Member db:TradingFairValueMember
1419 Non-Trading Fair Value [Member] Member db:NonTradingFairValueMember
1420 Designated Fair Value [Member] Member db:DesignatedFairValueMember
1421 Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Line Items] LineItems db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossLineItems
1422 Total Sales & Trading Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesAndTrading
1423 Sales & Trading (equity) Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpenseOnEquityInstruments
1424 Sales & Trading (FIC) Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesAndTradingFIC
1425 Other trading income Concept (Monetary) For Period Credit ifrs-full:OtherTradingIncomeExpense
1426 Total trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
1427 Breakdown by financial assets/ liability category [Abstract] Abstract db:BreakdownByFinancialAssetsLiabilityCategoryAbstract
1428 Debt securities Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
1429 Equity securities Concept (Monetary) As Of db:EquitySecuritiesNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
1430 Loans and loan commitments Concept (Monetary) For Period Credit db:LoansAndLoanCommitments
1431 Deposits Concept (Monetary) As Of Credit db:Deposits
1432 Other non-trading finacial assets mandatory at fair value through profit and loss Concept (Monetary) As Of db:OtherNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitAndLoss
1433 Total net gains (losses) on non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1434 Breakdown by financial asset/liability category [Abstract] Abstract db:BreakdownByFinancialAssetLiabilityCategoryAbstract
1435 Securities purchased/sold under resale/repurchase agreements Concept (Monetary) For Period Credit db:SecuritiesPurchasedSoldUnderResaleRepurchaseAgreements
1436 Securities borrowed/loaned Concept (Monetary) For Period Credit db:SecuritiesBorrowedLoaned
1437 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
1438 Other financial assets/liabilities designated at fair value through profit or loss Concept (Monetary) For Period Credit db:OtherfinancialAssetsLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1439 Total net gains (losses) on financial assets/liabilities designated at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1440 Total net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTotal
1441 50503 - Disclosure - Combined Net Interest Income and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss (Detail) Network

*

*

 http://www.db.com/role/CombinedNetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
1442 Combined Net Interest Income and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Table] Table

*

*

 db:CombinedNetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTable
1443 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
1444 Consolidated legal entity [Domain Member] Member dei:EntityDomain
1445 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
1446 Combined Net Interest Income and Net Gains (Losses) on Financial Assets/Liabilities at Fair Value through Profit or Loss [Line Items] LineItems db:CombinedNetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossLineItems
1447 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1448 Trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
1449 Net gains (losses) on non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1450 Net gains (losses) on financial assets/liabilities designated at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1451 Total net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossTotal
1452 Total net interest income and net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
1453 Corporate & Investment Bank Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossCorporateAndInvestmentBanking
1454 Total Sales & Trading Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesAndTrading
1455 Sales & Trading (Equity) Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesTradingEquity
1456 Sales & Trading (FIC) Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossSalesAndTradingFIC
1457 Financing Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossFinancing
1458 Global Transaction Banking Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossGlobalTransactionBanking
1459 Remaining Products Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossRemainingProducts
1460 Private & Commercial Bank Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossPrivateAndCommercialBank
1461 Asset Management Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossAssetManagementCombinedNetInterestAndNetGains
1462 Corporate & Other Concept (Monetary) For Period Credit db:NetInterstIncomenetGainsFinancialAssetsLiabilitiesAtFVThoughProfitLossConsolidationAndAdjustments
1463 Total net interest income and net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetInterestIncomeAndNetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLossCombinedNetInterestAndNetGains
1464 50601 - Disclosure - Commission and Fee Income and Expense (Detail) Network

*

*

 http://www.db.com/role/CommissionAndFeeIncomeAndExpense
1465 Commission and Fee Income and Expense [Table] Table

*

*

 db:CommissionAndFeeIncomeAndExpenseTable
1466 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
1467 Consolidated legal entity [Domain Member] Member dei:EntityDomain
1468 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
1469 Commission and Fee Income and Expense [Line Items] LineItems db:CommissionAndFeeIncomeAndExpenseLineItems
1470 Commission and fee income and expense: Abstract ifrs-full:FeeAndCommissionIncomeExpenseAbstract
1471 Commission and fee income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncome
1472 Commission and fee expense Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
1473 Net commissions and fee income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
1474 50602 - Disclosure - Disaggregation of revenues by product type and business segment - based on IFRS 15 (Detail) Network

*

*

 http://www.db.com/role/DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15
1475 Disaggregation of revenues by product type and business segment - based on IFRS 15 [Table] Table

*

*

 db:DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15Table
1476 Disaggregation of revenues by product type and business segment - based on IFRS 15 [Axis] Axis db:DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15Axis
1477 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1478 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1479 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1480 Asset Management [Member] Member db:AssetManagementMember
1481 Corporate & Other [Member] Member db:CorporateAndOtherMember
1482 Disaggregation of revenues by product type and business segment - based on IFRS 15 [Line Items] LineItems db:DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15LineItems
1483 Major type of services: [Abstract] Abstract db:MajorTypeOfServicesAbstract
1484 Commissions for administration Concept (Monetary) For Period Credit db:CommissionsForAdministration
1485 Commissions for assets under management Concept (Monetary) For Period Credit db:CommissionsForAssetsUnderManagement
1486 Commissions for other securities Concept (Monetary) For Period Credit db:CommissionsForoTherSecurities
1487 Underwriting and advisory fees Concept (Monetary) For Period Credit db:UnderwritingAndAdvisoryFees
1488 Brokerage fees Concept (Monetary) For Period Credit db:BrokerageFees
1489 Commissions for local payments Concept (Monetary) For Period Credit db:CommissionsForLocalPayments
1490 Commissions for foreign commercial business Concept (Monetary) For Period Credit db:CommissionsForForeignCommercialBusiness
1491 Commissions for foreign currency/exchange business Concept (Monetary) For Period Credit db:CommissionsForForeignCurrencyExchangeBusiness
1492 Commissions for loan processing and guarantees Concept (Monetary) For Period Credit db:CommissionsForLoanProcessingAndGuarantees
1493 Intermediary fees Concept (Monetary) For Period Credit db:IntermediaryFees
1494 Fees for sundry other customer services Concept (Monetary) For Period Credit db:FeesForSundryOtherCustomerServices
1495 Total fee and commissions income Concept (Monetary) For Period Credit db:FeeAndCommissionsIncome
1496 Gross expense Concept (Monetary) For Period Credit db:GrossExpense
1497 Net fees and commissions Concept (Monetary) For Period Credit db:NetCommissionandFeeIncomeExpense
1498 50602 - Disclosure - Disaggregation of revenues by product type and business segment - based on IFRS 15 (Detail: Text Values) Network

*

*

 http://www.db.com/role/DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15TextValues
1499 Implied Table Table

*

*

 implied:Table
1500 Disaggregation of revenues by product type and business segment - based on IFRS 15 [Abstract] Abstract db:DisaggregationOfRevenuesByProductTypeAndBusinessSegmentBasedOnIFRS15Abstract
1501 Total commissions and fee income and expenses prior to adoption of IFRS 15: Abstract db:CommissionsAndFeeIncomeAndExpensesPriorToAdoptionOfIFRS15Abstract
1502 Commissions and fees for Fiduciary activities Concept (Monetary) For Period Credit db:NetCommissionsAndFeesFromFiduciaryActivities
1503 Commissions, brokers fees, mark-ups on securities underwriting and other securities activities Concept (Monetary) For Period Credit db:NetCommissionsBrokersFeesMarkUpsOnSecuritiesUnderwritingAndOtherSecuritiesActivities
1504 Fees for other customer services Concept (Monetary) For Period Credit db:NetFeesForOtherCustomerServices
1505 Balance of receivables from commission and fee income Concept (Monetary) As Of db:BalanceOfReceivablesFromCommissionAndFeeIncome
1506 Balance of contract liabilities associated to commission and fee income Concept (Monetary) As Of db:BalanceOfContractLiabilitiesAssociatedToCommissionAndFeeIncome
1507 50701 - Disclosure - Net Gains (Losses) on Financial Assets Available for Sale (Detail) Network

*

*

 http://www.db.com/role/NetGainsLossesOnFinancialAssetsAvailableForSale
1508 Implied Table Table

*

*

 implied:Table
1509 Net gains (losses) on financial assets available for sale [Abstract] Abstract db:NetGainsLossesOnFinancialAssetsAvailableForSaleAbstract
1510 Net gains (losses) on debt securities: Concept (Monetary) For Period Credit db:NetGainsLossesOnDebtSecurities
1511 Net gains (losses) from disposal Concept (Monetary) For Period Credit db:NetGainsLossesFromDisposal
1512 Impairments Concept (Monetary) For Period Debit db:ImpairmentsNetGainsLossesOnDebtSecurities
1513 Net gains (losses) on equity securities: Concept (Monetary) For Period Credit db:NetGainsLossesOnEquitySecurities
1514 Net gains (losses) from disposal/remeasurement Concept (Monetary) For Period Credit db:NetGainsLossesFromDisposalRemeasurement
1515 Impairments Concept (Monetary) For Period Debit db:ImpairmentsNetGainsLossesFromDisposalRemeasurement
1516 Net gains (losses) on loans: Concept (Monetary) For Period Credit db:NetGainsLossesOnLoans
1517 Net gains (losses) from disposal Concept (Monetary) For Period Credit db:NetGainsLossesFromDisposalOnLoans
1518 Impairments Concept (Monetary) For Period Debit db:ImpairmentsOnLoans
1519 Reversal of impairments Concept (Monetary) For Period Credit db:ReversalOfImpairments
1520 Net gains (losses) on other equity interests: Concept (Monetary) For Period Credit db:NetGainsLossesOnOtherEquityInterests
1521 Net gains (losses) from disposal Concept (Monetary) For Period Credit db:NetGainsLossesFromDisposalOtherEquityInterests
1522 Impairments Concept (Monetary) For Period Debit db:ImpairmentsOtherEquityInterests
1523 Total net gains (losses) on financial assets available for sale Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets
1524 50801 - Disclosure - Other Income (Detail) Network

*

*

 http://www.db.com/role/OtherIncome
1525 Implied Table Table

*

*

 implied:Table
1526 Other Income [Abstract] Abstract db:OtherIncomeAbstract
1527 Net gains (losses) on disposal of loans Concept (Monetary) For Period Credit db:NetGainsLossesOnDisposalOfLoans
1528 Insurance premiums Concept (Monetary) For Period Credit db:InsurancePremiums
1529 Net income (loss) from hedge relationships qualifying for hedge accounting Concept (Monetary) For Period Credit db:NetIncomeLossFromHedgeRelationshipsQualifyingForHedgeAccounting
1530 Consolidated investments Concept (Monetary) For Period Credit db:ConsolidatedInvestmentsOtherIncome
1531 Remaining other income Concept (Monetary) For Period Credit db:RemainingOtherIncome
1532 Total other income (loss) Concept (Monetary) For Period Credit db:OtherIncomeLoss
1533 50801 - Disclosure - Other Income (Detail: Text Values) Network

*

*

 http://www.db.com/role/OtherIncomeParenthetical
1534 Implied Table Table

*

*

 implied:Table
1535 Other Income [Abstract] Abstract db:OtherIncomeAbstract
1536 Net gains related to non-current assets and disposal groups held for sale Concept (Monetary) For Period Credit db:NetGainsRelatedToNonCurrentAssetsAndDisposalGroupsHeldForSale
1537 50901 - Disclosure - General and Administrative Expenses (Detail) Network

*

*

 http://www.db.com/role/GeneralAndAdministrativeExpenses
1538 Implied Table Table

*

*

 implied:Table
1539 General and administrative expenses [Abstract] Abstract db:GeneralAndAdministrativeExpensesAbstract
1540 IT costs Concept (Monetary) For Period Debit db:ITCosts
1541 Regulatory, Tax and Insurance Concept (Monetary) For Period Debit db:RegulatoryTaxAndInsurance
1542 Occupancy, furniture and equipment expenses Concept (Monetary) For Period Debit db:OccupancyFurnitureAndEquipmentExpenses
1543 Professional service fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
1544 Banking and transaction charges Concept (Monetary) For Period Debit ifrs-full:BankAndSimilarCharges
1545 Communication and data services Concept (Monetary) For Period Debit ifrs-full:CommunicationExpense
1546 Travel and representation expenses Concept (Monetary) For Period Debit db:TravelAndRepresentationExpenses
1547 Marketing expenses Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1548 Other expenses Concept (Monetary) For Period Debit db:OtherExpenses
1549 Total general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1550 50901 - Disclosure - General and Administrative Expenses (Detail: Text Values) Network

*

*

 http://www.db.com/role/GeneralAndAdministrativeExpensesParenthetical
1551 Implied Table Table

*

*

 implied:Table
1552 General and administrative expenses [Abstract] Abstract db:GeneralAndAdministrativeExpensesAbstract
1553 Litigation related expenses included in "Other expenses" Concept (Monetary) For Period Debit ifrs-full:LossesOnLitigationSettlements
1554 Regulatory, Tax & Insurance [Abstract] Abstract db:RegulatoryTaxAndInsuranceAbstract
1555 thereof: bank levy Concept (Monetary) For Period db:ThereofBankLevy
1556 Other expenses [Abstract] Abstract db:OtheExpensesAbstract
1557 thereof: litigation related net expenses Concept (Monetary) For Period db:ThereofLitigationRelatedNetExpenses
1558 thereof: litigation related net credit Concept (Monetary) For Period db:ThereofLitigationRelatedNetCredit
1559 51001 - Disclosure - Net Restructuring Expense by Division (Detail) Network

*

*

 http://www.db.com/role/NetRestructuringExpenseByDivision
1560 Net Restructuring Expense by Division [Table] Table

*

*

 db:NetRestructuringExpenseByDivisionTable
1561 Segments [Axis] Axis ifrs-full:SegmentsAxis
1562 Segments [Domain Member] Member ifrs-full:SegmentsMember
1563 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1564 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1565 Asset Management [Member] Member db:AssetManagementMember
1566 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
1567 Total Net Restructuring Charges [Member] Member db:TotalNetRestructuringChargesMember
1568 Net Restructuring Expense by Division [Line Items] LineItems db:NetRestructuringExpenseByDivisionLineItems
1569 Total Net Restructuring Charges Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1570 51001 - Disclosure - Net Restructuring Expense by Division (Detail: Text Values) Network

*

*

 http://www.db.com/role/NetRestructuringExpenseByDivisionParenthetical
1571 Implied Table Table

*

*

 implied:Table
1572 Net Restructuring Expense by Division Abstract db:NetRestructuringExpenseByDivisionAbstract
1573 Provisions for restructuring Concept (Monetary) As Of Credit ifrs-full:RestructuringProvision
1574 Provisions for restructuring previous quarter Concept (Monetary) As Of db:ProvisionsForRestructuringPreviousQuarter
1575 51002 - Disclosure - Net Restructuring by Type (Detail) Network

*

*

 http://www.db.com/role/NetRestructuringByType
1576 Implied Table Table

*

*

 implied:Table
1577 Net Restructuring by Type Abstract db:NetRestructuringByTypeAbstract
1578 Restructuring, Staff related Concept (Monetary) For Period Debit db:RestructuringStaffRelated
1579 thereof [Abstract] Abstract db:ThereofAbstract
1580 Termination Payments Concept (Monetary) For Period Debit db:TerminationBenefits
1581 Retention Acceleration Concept (Monetary) For Period Debit db:RetentionAcceleration
1582 Social Security Concept (Monetary) For Period Debit db:SocialSecurity
1583 Restructuring, Non Staff related Concept (Monetary) For Period Debit db:RestructuringNonStaffRelated
1584 Total Net Restructuring Charges Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
1585 51003 - Disclosure - Organizational Changes (Detail) Network

*

*

 http://www.db.com/role/OrganizationalChanges
1586 Organizational Changes [Table] Table

*

*

 db:OrganizationalChangesTable
1587 Segments [Axis] Axis ifrs-full:SegmentsAxis
1588 Segments [Domain Member] Member ifrs-full:SegmentsMember
1589 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
1590 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
1591 Asset Management [Member] Member db:AssetManagementMember
1592 Infrastructure/Regional Management [Member] Member db:InfrastructureRegionalManagementMember
1593 Total full-time equivalent staff [Member] Member db:TotalFullTimeEquivalentStaffMember
1594 Organizational Changes [Line Items] LineItems db:OrganizationalChangesLineItems
1595 Full-time equivalent staff, Organizational Changes Concept (Pure) For Period db:FullTimeEquivalentStaffOrganizationalChanges
1596 51101 - Disclosure - Computation of Earnings per Share (Detail) Network

*

*

 http://www.db.com/role/ComputationOfEarningsPerShare
1597 Computation of Earnings per Share [Table] Table

*

*

 db:ComputationOfEarningsPerShareTable
1598 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
1599 Consolidated legal entity [Domain Member] Member dei:EntityDomain
1600 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
1601 Computation of Earnings per Share [Line Items] LineItems db:ComputationOfEarningsPerShareLineItems
1602 Net income (loss) attributable to Deutsche Bank shareholders, numerator for basic earnings per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1603 Effect of dilutive securities [Abstract] Abstract db:EffectOfDilutiveSecuritiesAbstract
1604 Forwards and options Concept (Monetary) For Period Debit db:ForwardsAndOptions
1605 Convertible debt Concept (Monetary) For Period Debit db:ConvertibleDebt
1606 Net income (loss) attributable to Deutsche Bank shareholders after assumed conversions, numerator for diluted earnings per share Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1607 Number of shares in million [Abstract] Abstract ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
1608 Weighted-average shares outstanding, denominator for basic earnings per share Concept (Shares) For Period ifrs-full:WeightedAverageShares
1609 Effect of dilutive securities: Abstract db:EffectOfDilutiveSecurities2Abstract
1610 Forwards Concept (Shares) For Period db:Forwards
1611 Employee stock compensation options Concept (Shares) For Period db:EmployeeStockCompensationOptions
1612 Deferred shares Concept (Shares) For Period db:DeferredShares
1613 Other (including trading options) Concept (Shares) For Period db:OtherIncludingTradingOptions
1614 Dilutive potential common shares Concept (Shares) For Period db:DilutivePotentialCommonShares
1615 Adjusted weighted-average shares after assumed conversions, denominator for diluted earnings per share Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1616 51102 - Disclosure - Computation of Earnings per Share in Euro (Detail) Network

*

*

 http://www.db.com/role/ComputationOfEarningsPerShareInEuroDetails
1617 Implied Table Table

*

*

 implied:Table
1618 Earnings per share [Abstract] Abstract ifrs-full:EarningsPerShareAbstract
1619 Basic earnings per share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1620 Diluted earnings per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1621 51102 - Disclosure - Computation of Earnings per Share in Euro (Detail: Text Values) Network

*

*

 http://www.db.com/role/ComputationOfEarningsPerShareInEuroParenthetical
1622 Implied Table Table

*

*

 implied:Table
1623 Computation of Earnings per Share [Abstract] Abstract db:ComputationOfEarningsPerShareAbstract
1624 Earnings adjustment for coupons paid on Additional Tier 1 Notes in April, net of tax Concept (Monetary) For Period Credit db:EarningsAdjustmentForCouponsPaidOnAdditionalTier1NotesNetOfTax
1625 51103 - Disclosure - Outstanding and Not Included in the Calculation of Diluted Earnings per Share (Detail) Network

*

*

 http://www.db.com/role/OutstandingAndNotIncludedInTheCalculationOfDilutedEarningsPerShare
1626 Outstanding and Not Included in the Calculation of Diluted Earnings per Share [Table] Table

*

*

 db:OutstandingAndNotIncludedtInTheCalculationOfDilutedEarningsPerShareTable
1627 Outstanding and Not Included in the Calculation of Diluted Earnings per Share [Axis] Axis db:OutstandingAndNotIncludedtInTheCalculationOfDilutedEarningsPerShareAxis
1628 Outstanding and Not Included in the Calculation of Diluted Earnings per Share [Domain Member] Member db:OutstandingAndNotIncludedtInTheCalculationOfDilutedEarningsPerShareDomainMember
1629 Outstanding and Not Included in the Calculation of Diluted Earnings per Share [Member] Member db:OutstandingAndNotIncludedtInTheCalculationOfDilutedEarningsPerShareMember
1630 Outstanding and Not Included in the Calculation of Diluted Earnings per Share [Line Items] LineItems db:OutstandingAndNotIncludedtInTheCalculationOfDilutedEarningsPerShareLineItems
1631 Forward purchase contracts Concept (Shares) For Period db:ForwardPurchaseContracts
1632 Convertible debt Concept (Shares) For Period db:ConvertibleDebtOutstanding
1633 Put options sold Concept (Shares) For Period db:PutOptionsSold
1634 Call options sold Concept (Shares) For Period db:CallOptionsSold
1635 Employee stock compensation options Concept (Shares) For Period db:EmployeeStockCompensationOptions
1636 Deferred shares Concept (Shares) For Period db:DeferredShares
1637 51201 - Disclosure - Financial Assets at Fair Value through Profit and Loss (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAtFairValueThroughProfitAndLoss
1638 Financial Assets at Fair Value through Profit and Loss [Table] Table

*

*

 db:FinancialAssetsAtFairValueThroughProfitAndLossTable
1639 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
1640 Consolidated legal entity [Domain Member] Member dei:EntityDomain
1641 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
1642 Fair Value [Axis] Axis db:FairValueAxis
1643 Total Fair Value [Domain Member] Member db:TotalFairValueDomainMember
1644 Trading Financial Assets [Member] Member db:TradingFinancialAssetsMember
1645 Non-Trading Fair Value [Member] Member db:NonTradingFairValueMember
1646 Designated Fair Value [Member] Member db:DesignatedFairValueMember
1647 Financial Assets at Fair Value through Profit and Loss [Line Items] LineItems db:FinancialAssetsAtFairValueThroughProfitAndLossLineItems
1648 Trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
1649 Other trading assets Concept (Monetary) As Of Debit db:OtherTradingAssetsFinancialAssetsAtFairValue
1650 Total trading assets Concept (Monetary) As Of Debit db:TradingAssets
1651 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1652 Total trading financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1653 Securities purchased under resale agreements Concept (Monetary) As Of Debit db:SecuritiesPurchasedUnderResaleAgreementsAtFairValueThroughProfitOrLoss
1654 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowedAtFairValueThroughProfitOrLoss
1655 Loans Concept (Monetary) As Of Debit db:LoansAtFairValue
1656 Other financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of Debit db:OtherFinancialAssetsAtFairValueThroughProfitOrLoss
1657 Total non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1658 Total financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1659 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1660 51201 - Disclosure - Financial Assets at Fair Value through Profit and Loss (Detail: Text Values) Network

*

*

 http://www.db.com/role/FinancialAssetsAtFairValueThroughProfitAndLossParenthetical
1661 Implied Table Table

*

*

 implied:Table
1662 Financial Assets at Fair Value through Profit and Loss [Abstract] Abstract db:FinancialAssetsAtFairValueThroughProfitAndLossAbstract
1663 Traded loans included in "Other trading assets" Concept (Monetary) As Of db:TradedLoansIncludedInOtherTradingAssets
1664 Group's maximum exposure to credit risk on drawn loans, including securities purchased under resale agreements and securities borrowed Concept (Monetary) As Of db:GroupsMaximumExposureToCreditRiskOnDrawnLoansIncludingSecuritiesPurchasedUnderResaleAgreementsAndSecuritiesBorrowed
1665 51202 - Disclosure - Financial Liabilities at Fair Value through Profit and Loss (Detail) Network

*

*

 http://www.db.com/role/FinancialLiabilitiesAtFairValueThroughProfitAndLoss
1666 Financial Liabilities at Fair Value through Profit and Loss [Table] Table

*

*

 db:FinancialLiabilitiesAtFairValueThroughProfitAndLossTable
1667 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
1668 Consolidated legal entity [Domain Member] Member dei:EntityDomain
1669 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
1670 Financial Liabilities at Fair Value through Profit and Loss [Line Items] LineItems db:FinancialLiabilitiesAtFairValueThroughProfitAndLossLineItems
1671 Trading financial liabilities Abstract db:TradingFinancialLiabilitiesAbstract
1672 Trading liabilities: Abstract db:TradingLiabilitiesAbstract
1673 Trading securities, liabilities Concept (Monetary) As Of Credit db:TradingSecuritiesLiabilities
1674 Other trading liabilities Concept (Monetary) As Of Credit db:OtherTradingLiabilitiesFinancialLiabilities
1675 Total trading liabilities Concept (Monetary) As Of Credit db:TradingLiabilities
1676 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1677 Total trading financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1678 Financial liabilities designated at fair value through profit or loss: Abstract db:FinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossAbstract
1679 Securities sold under repurchase agreements Concept (Monetary) As Of Credit db:SecuritiesSoldUnderRepurchaseAgreementsFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1680 Loan commitments Concept (Monetary) As Of Credit db:LoanCommitmentsFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1681 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebtFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
1682 Other financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit db:OtherFinancialLiabilitiesDesignatedAtFairValueThroughProfiOrLoss
1683 Total financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1684 Investment contract liabilities Concept (Monetary) As Of Credit ifrs-full:InvestmentContractsLiabilities
1685 Total financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
1686 51203 - Disclosure - Changes in fair value of financial assets attributable to movements in counterparty credit risk (Detail) Network

*

*

 http://www.db.com/role/ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCounterpartyCreditRisk
1687 Changes in fair value of of financial assets attributable to movements in couterparty credit risk [Table] Table

*

*

 db:ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCouterpartyCreditRiskTable
1688 Changes in fair value of of financial assets attributable to movements in couterparty credit risk [Axis] Axis db:ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCouterpartyCreditRiskAxis
1689 Changes in fair value of of financial assets attributable to movements in couterparty credit risk [Domain Member] Member db:ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCounterpartyCreditRiskDomainMember
1690 Changes in fair value of of financial assets attributable to movements in couterparty credit risk [Member] Member db:ChangesInFairValueOfFinancialAssetsAttributableToMovementsInCounterpartyCreditRiskMember
1691 Changes in fair value of financial assets attributable to movements in couterparty credit risk [line items] LineItems db:ChangesInFairValueOfinancialAssetsAttributableToMovementsInCouterpartyCreditRiskLineItems
1692 Notional value of financial assets exposed to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRiskOfFinancialAssets
1693 Annual change in the fair value reflected in the Statement of Income Concept (Monetary) For Period Debit ifrs-full:ChangesInFairValueOfFinancialAssetsAttributableToChangesInCreditRiskOfFinancialAssets
1694 Cumulative change in the fair value Concept (Monetary) As Of Debit ifrs-full:AccumulatedChangesInFairValueOfFinancialAssetsAttributableToChangesInCreditRiskOfFinancialAssets
1695 Notional of credit derivatives used to mitigate credit risk Concept (Monetary) As Of ifrs-full:AmountByWhichLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstrumentsMitigateMaximumExposureToCreditRisk
1696 Annual change in the fair value reflected in the Statement of Income Concept (Monetary) For Period ifrs-full:ChangesInFairValueOfLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstruments
1697 Cumulative change in the fair value Concept (Monetary) As Of ifrs-full:AccumulatedChangesInFairValueOfLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstruments
1698 51204 - Disclosure - Changes in fair value of loans and loan commitments attributable to movements in couterparty credit risk (Detail) Network

*

*

 http://www.db.com/role/ChangesInFairValueOfLoansLoansCommitmentsAttributableToMovementsInCounterpartyCreditRisk
1699 Changes in fair value of loans and loan commitments attributable to movements in couterparty credit risk [Table] Table

*

*

 db:ChangesInFairValueOfLoansLoansCommitmentsAttributableToMovementsInCouterpartyCreditRiskTable
1700 Changes in fair value of loans and loan commitments attributable to movements in couterparty credit risk [Axis] Axis db:ChangesInFairValueOfLoansLoansCommitmentsAttributableToMovementsInCouterpartyCreditRiskAxis
1701 Changes in fair value of loans and loan commitments attributable to movements in couterparty credit risk [Domain Member] Member db:ChangesInFairValueOfLoansLoansCommitmentsAttributableToMovementsInCouterpartyCreditRiskDomainMember
1702 Loans [Member] Member db:LoansMember
1703 Loan commitments [Member] Member ifrs-full:LoanCommitmentsMember
1704 Changes in fair value of loans and loan commitments attributable to movements in couterparty credit risk [line items] LineItems db:ChangesInFairValueOfLoansLoansCommitmentsAttributableToMovementsInCouterpartyCreditRiskLineItems
1705 Notional value of loans and loan commitments exposed to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRiskOfLoansOrReceivables
1706 Annual change in the fair value reflected in the Statement of Income Concept (Monetary) For Period Debit ifrs-full:ChangesInFairValueOfLoansOrReceivablesAttributableToChangesInCreditRiskOfFinancialAssets
1707 Cumulative change in the fair value Concept (Monetary) As Of Debit ifrs-full:AccumulatedChangesInFairValueOfLoanOrReceivableAttributableToChangesInCreditRiskOfFinancialAssets
1708 Notional of credit derivatives used to mitigate credit risk Concept (Monetary) As Of ifrs-full:AmountByWhichLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstrumentsMitigateMaximumExposureToCreditRisk
1709 Annual change in the fair value reflected in the Statement of Income Concept (Monetary) For Period ifrs-full:ChangesInFairValueOfLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstruments
1710 Cumulative change in the fair value Concept (Monetary) As Of ifrs-full:AccumulatedChangesInFairValueOfLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstruments
1711 51205 - Disclosure - Changes in fair value of financial liabilities attributable to movements in the Groups credit risk (Detail) Network

*

*

 http://www.db.com/role/ChangesInFairValueOfFinancialLiabilitiesAttributableToMovementsInTheGroupsCreditRisk
1712 Changes in Fair Value of Financial Liabilities Designated at Fair Value through Profit or Loss [Table] Table

*

*

 db:ChangesInFairValueOfFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossTable
1713 Changes in Fair Value of Financial Liabilities Designated at Fair Value through Profit or Loss [Axis] Axis db:ChangesInFairValueOfFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossAxis
1714 Changes in Fair Value of Financial Liabilities Designated at Fair Value through Profit or Loss [Domain Member] Member db:ChangesInFairValueOfFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossAxisDomainMember
1715 Presented in Other comprehensive Income [Member] Member db:PresentedInOtherComprehensiveIncomeMember
1716 Presented in Statement of income [Member] Member db:PresentedInStatementOfIncomeMember
1717 Changes in Fair Value of Financial Liabilities Designated at Fair Value through Profit or Loss [Line Items] LineItems db:ChangesInFairValueOfFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossLineItems
1718 Annual change in the fair value Concept (Monetary) For Period Credit ifrs-full:ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1719 Cumulative change in the fair value Concept (Monetary) As Of Credit ifrs-full:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1720 51206 - Disclosure - Transfers of the cumulative gains or losses within equity during the period (Detail) Network

*

*

 http://www.db.com/role/TransfersOfTheCumulativeGainsOrLossesWithinEquityDuringThePeriod
1721 Implied Table Table

*

*

 implied:Table
1722 Transfers of the cumulative gains or losses within equity during the period [Abstract] Abstract db:TransfersOfTheCumulativeGainsOrLossesWithinEquityDuringThePeriodAbstract
1723 Cumulative gains or losses within equity during the period Concept (Monetary) For Period db:CumulativeGainsOrLossesWithinEquityDuringThePeriod
1724 51207 - Disclosure - Amounts realized on derecognition of liabilities designated at FVtPL (Detail) Network

*

*

 http://www.db.com/role/AmountsRealizedOnDerecognitionOfLiabilitiesDesignatedAtFVtPL
1725 Implied Table Table

*

*

 implied:Table
1726 Amounts realized on derecognition of liabilities designated at FVtPL [Abstract] Abstract db:AmountsRealizedOnDerecognitionOfLiabilitiesDesignatedAtFVtPLAbstract
1727 Amount presented in other comprehensive income realized at derecognition Concept (Monetary) For Period db:AmountsPresentedInOtherComprehensiveIncomeRealizedAtDerecognition
1728 51208 - Disclosure - Excess of the Contractual Amount Repayable at Maturity over the Carrying Value of Financial Liabilities (Detail) Network

*

*

 http://www.db.com/role/ExcessOfTheContractualAmountRepayableAtMaturityOverTheCarryingValueOfFinancialLiabilities
1729 Implied Table Table

*

*

 implied:Table
1730 Excess of the Contractual Amount Repayable at Maturity over the Carrying Value of Financial Liabilities Abstract db:ExcessOfTheContractualAmountRepayableAtMaturityOverTheCarryingValueOfFinancialLiabilitiesAbstract
1731 Including undrawn loan commitments Concept (Monetary) As Of db:IncludingUndrawnLoanCommitments
1732 Excluding undrawn loan commitments Concept (Monetary) As Of db:ExcludingUndrawnLoanCommitments
1733 51301 - Disclosure - Carrying Value of The Financial Instruments held at Fair Value (Detail) Network

*

*

 http://www.db.com/role/CarryingValueOfTheFinancialInstrumentsHeldAtFairValue
1734 Carrying Value of The Financial Instruments held at Fair Value [Table] Table

*

*

 db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueTable
1735 Carrying Value of The Financial Instruments held at Fair Value [Axis] Axis db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueAxis
1736 Carrying Value of The Financial Instruments held at Fair Value [Domain Member] Member db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueDomainMember
1737 Quoted prices in active market (Level 1) Member ifrs-full:Level1OfFairValueHierarchyMember
1738 Valuation technique observable parameters (Level 2) Member ifrs-full:Level2OfFairValueHierarchyMember
1739 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1740 Carrying Value of The Financial Instruments held at Fair Value [Line Items] LineItems db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueLineItems
1741 Financial assets held at fair value: Abstract db:FinancialAssetsHeldAtFairValueCarryingValueAbstract
1742 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
1743 Trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
1744 Other trading assets Concept (Monetary) As Of Debit db:OtherTradingAssetsFinancialAssetsAtFairValue
1745 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1746 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1747 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1748 Financial assets mandatory at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1749 Equities designated at fair value through OCI Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
1750 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1751 Other financial assets at fair value Concept (Monetary) As Of Debit db:OtherFinancialAssetsAtFairValue
1752 Total financial assets held at fair value Concept (Monetary) As Of Debit db:FinancialAssetsHeldAtFairValue
1753 Financial liabilities held at fair value: Abstract db:FinancialLiabilitiesHeldAtFairValueCyrryingValueAbstract
1754 Trading liabilities Concept (Monetary) As Of Credit db:TradingLiabilities
1755 Trading securities, liabilities Concept (Monetary) As Of Credit db:TradingSecuritiesLiabilities
1756 Other trading liabilities Concept (Monetary) As Of Credit db:OtherTradingLiabilitiesFinancialLiabilities
1757 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1758 Financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1759 Investment contract liabilities Concept (Monetary) As Of Credit ifrs-full:InvestmentContractsLiabilities
1760 Other financial liabilities at fair value Concept (Monetary) As Of Credit db:OtherFinancialLiabilitiesAtFairValue
1761 Total financial liabilities held at fair value Concept (Monetary) As Of Credit db:FinancialLiabilitiesHeldAtFairValue
1762 51302 - Disclosure - Reconciliation of Financial Instruments Categorized in Level 3 (Detail) Network

*

*

 http://www.db.com/role/ReconciliationOfFinancialInstrumentsCategorizedInLevel3
1763 Reconciliation of Level 3 Instruments [Table] Table

*

*

 db:ReconciliationOfLevelThreeInstrumentsTable
1764 Carrying Value of The Financial Instruments held at Fair Value [Axis] Axis db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueAxis
1765 Carrying Value of The Financial Instruments held at Fair Value [Domain Member] Member db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueDomainMember
1766 Valuation technique unobservable parameters (Level 3) Member db:ValuationTechniqueUnobservableParametersLevel3ReconciliationOfFinancialInstrumentsMember
1767 Balance, beginning of period [Member] Member db:BalanceFinancialInstrumentsLevel3BeginningOfPeriodMember
1768 Changes in the group of consolidated companies [Member] Member db:ChangesInTheGroupOfConsolidatedCompaniesMember
1769 Total gains/ losses [Member] Member db:TotalGainsLossesMember
1770 Purchases [Member] Member db:PurchasesMember
1771 Sales [Member] Member db:SalesMember
1772 Issuances [Member] Member db:IssuancesMember
1773 Settlements [Member] Member db:SettlementsMember
1774 Transfers into Level 3 [Member] Member db:TransfersIntoLevel3Member
1775 Transfers out of Level 3 [Member] Member db:TransfersOutOfLevel3Member
1776 Transfers into/from held for sale [Member] Member db:TransfersIntoFromHeldForSaleMember
1777 Balance, end of period [Member] Member db:BalanceFinancialInstrumentsLevel3EndOfPeriodMember
1778 Reconciliation of Level 3 Instruments [Line Items] LineItems db:ReconciliationOfLevelThreeInstrumentsLineItems
1779 Financial assets held at fair value [Abstract] Abstract db:FinancialAssetsHeldAtFairValueAbstract
1780 Trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
1781 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1782 Other trading assets Concept (Monetary) As Of Debit db:OtherTradingAssetsFinancialAssetsAtFairValue
1783 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1784 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1785 Financial assets mandatory at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1786 Equity Instruments designated at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
1787 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1788 Other financial assets at fair value Concept (Monetary) As Of Debit db:OtherFinancialAssetsAtFairValue
1789 Total financial assets held at fair value Concept (Monetary) As Of Debit db:FinancialAssetsHeldAtFairValue
1790 Financial liabilities held at fair value Abstract, Gains or Losses Abstract db:FinancialLiabilitiesHeldAtFairValueAbstract
1791 Trading securities, liabilities Concept (Monetary) As Of Credit db:TradingSecuritiesLiabilities
1792 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1793 Other trading liabilities Concept (Monetary) As Of Credit db:OtherTradingLiabilitiesFinancialLiabilities
1794 Financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1795 Other financial liabilities at fair value Concept (Monetary) As Of Credit db:OtherFinancialLiabilitiesAtFairValue
1796 Total financial liabilities held at fair value Concept (Monetary) As Of Credit db:FinancialLiabilitiesHeldAtFairValue
1797 51302 - Disclosure - Reconciliation of Financial Instruments Categorized in Level 3 (Detail: Text Values) Network

*

*

 http://www.db.com/role/ReconciliationOfFinancialInstrumentsCategorizedInLevel3TextValues
1798 Reconciliation of Level 3 Instruments [Table] Table

*

*

 db:ReconciliationOfLevelThreeInstrumentsTable
1799 Carrying Value of The Financial Instruments held at Fair Value [Axis] Axis db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueAxis
1800 Carrying Value of The Financial Instruments held at Fair Value [Domain Member] Member db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueDomainMember
1801 Valuation technique unobservable parameters level 3, Reconciliation of Financial Instruments Member db:ValuationTechniqueUnobservableParametersLevel3ReconciliationOfFinancialInstrumentsMember
1802 Total gains/ losses [Member] Member db:TotalGainsLossesMember
1803 Reconciliation of Level 3 Instruments [Line Items] LineItems db:ReconciliationOfLevelThreeInstrumentsLineItems
1804 Financial assets at fair value through other comprehensive income [Abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
1805 therein gain (loss) recognized in other comprehensive income, net of tax Concept (Monetary) As Of db:ThereinGainLossRecognizedInOtherComprehensiveIncomeNetOfTax
1806 therein gain (loss) recognized in the income statement presented in net gains (losses), net of tax Concept (Monetary) As Of db:ThereinGainLossRecognizedInTheIncomeStatementPresentedInNetGainsLossesNetOfTax
1807 Financial assets held at fair value: Abstract db:FinancialAssetsHeldAtFairValueCarryingValueAbstract
1808 therein effect of exchange rate changes Concept (Monetary) For Period Credit db:FinancialAssetsHeldAtFairValueFXChanges
1809 Financial liabilities held at fair value: Abstract db:FinancialLiabilitiesHeldAtFairValueAbstract
1810 therein effect of exchange rate changes Concept (Monetary) For Period Debit db:FinancialLiabilitiesHeldAtFairValueFXChanges
1811 Financial assets available for sale [Abstract] Abstract ifrs-full:AvailableforsaleFinancialAssetsAbstract
1812 gain (loss) recognized in other comprehensive income, net of tax Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
1813 gain (loss) recognized in the income statement presented in net gains (losses) Concept (Monetary) For Period Debit db:AvailableForSaleFinancialAssetsGainLossRecognizedIncomeStatement
1814 gain recognized in the income statement Concept (Monetary) As Of db:GainRecognizedInTheIncomeStatement
1815 51303 - Disclosure - Sensitivity Analysis by Type of Instrument (Detail) Network

*

*

 http://www.db.com/role/SensitivityAnalysisByTypeOfInstrument
1816 Sensitivity Analysis by Type of Instrument [Table] Table

*

*

 db:SensitivityAnalysisByTypeOfInstrumentTable
1817 Sensitivity Analysis by Type of Instrument [Axis] Axis db:SensitivityAnalysisByTypeOfInstrumentAxis
1818 Sensitivity Analysis by Type of Instrument [Domain Member] Member db:SensitivityAnalysisByTypeOfInstrumentDomainMember
1819 Positive fair value movement from using reasonable possible alternatives [Member] Member db:PositiveFairValueMovementFromUsingReasonablePossibleAlternativesMember
1820 Negative fair value movement from using reasonable possible alternatives [Member] Member db:NegativeFairValueMovementFromUsingReasonablePossibleAlternativesMember
1821 Carrying Value of The Financial Instruments held at Fair Value [Axis] Axis db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueAxis
1822 Carrying Value of The Financial Instruments held at Fair Value [Domain Member] Member db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueDomainMember
1823 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1824 Sensitivity Analysis by Type of Instrument [Line Items] LineItems db:SensitivityAnalysisByTypeOfInstrumentLineItems
1825 Securities: Abstract db:SecuritiesAbstract
1826 Debt securities Concept (Monetary) As Of Debit db:DebtSecuritiesCreditRiskProfile
1827 Commercial mortgage-backed securities Concept (Monetary) As Of Debit db:CommercialMortgageBackedSecurities
1828 Mortgage and other asset-backed securities Concept (Monetary) As Of Debit db:MortgageAndOtherAssetBackedSecurities
1829 Corporate, sovereign and other debt securities Concept (Monetary) As Of Debit db:CorporateSovereignAndOtherDebtSecurities
1830 Equity securities Concept (Monetary) As Of Debit db:EquitySecurities
1831 Derivatives [Abstract] Abstract db:DerivativesAbstract
1832 Credit Concept (Monetary) As Of Debit db:CreditDerivatives
1833 Equity Concept (Monetary) As Of Debit db:EquityDerivatives
1834 Interest related Concept (Monetary) As Of Debit db:InterestRelatedDerivatives
1835 Foreign exchange Concept (Monetary) As Of Debit db:ForeighExchangeDerivatives
1836 Other Concept (Monetary) As Of Debit db:OtherSensitivityAnalysisByTypeOfInstrument
1837 Loans [Abstract] Abstract db:LoansAbstract
1838 Loans Concept (Monetary) As Of Debit db:LoansCarriedAsFairValue
1839 Loan commitments Concept (Monetary) As Of Debit db:LoanCommitmentsCarriedAsFairValue
1840 Other Concept (Monetary) As Of Debit db:OtherFinancialInstrumentsCarriedAtFairValueSensitivityAnalysisByTypeOfInstrument
1841 Total Concept (Monetary) As Of Debit db:SensitivityAnalysisByTypeOfInstrument
1842 51304 - Disclosure - Quantitative Information about Fair Value (Level 3) (Detail) Network

*

*

 http://www.db.com/role/FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputs
1843 Financial instruments classified in Level 3 and quantitative information about unobservable inputs [Table] Table

*

*

 db:FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputsTable
1844 Levels of value hierachy [Axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1845 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1846 Columns [Axis] Axis ifrs-full:ClassesOfAssetsAxis
1847 Fair value [Member] Member ifrs-full:AtFairValueMember
1848 Assets [Member] Member ifrs-full:ClassesOfAssetsMember
1849 Liabilities [Member] Member ifrs-full:LiabilitiesMember
1850 Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Bottom [Member] Member ifrs-full:BottomOfRangeMember
1851 Financial Instruments classified in Level 3, Valuation Techniques, Significant unobservable input, Range Top [Member] Member ifrs-full:TopOfRangeMember
1852 Financial instruments classified in Level 3 and quantitative information about unobservable inputs [Line Items] LineItems db:FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputsLineItems
1853 Financial instruments held at fair value - held for trading, designated at fair value and available-for-sale: Abstract db:FinancialInstrumentsHeldAtFairValueHeldForTradingDesignatedAtFairValueAndAvailableForSaleAbstract
1854 Mortgage and other asset backed securities held for trading: Abstract db:MortgageAndOtherAssetBackedSecuritiesHeldForTradingAbstract
1855 Commercial mortgage-backed securities Concept (Monetary) As Of Debit db:CommercialMortgageBackedSecurities
1856 Commercial mortgage-backed securities, Price based valuation, Price Concept (Percent) For Period db:CommercialMortgageBackedSecuritiesPriceBasedValuationPrice
1857 Commercial mortgage-backed securities, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:CommercialMortgageBackedSecuritiesDiscountedCashFlowCreditSpreadBps
1858 Mortgage and other asset-backed securities Concept (Monetary) As Of Debit db:MortgageAndOtherAssetBackedSecurities
1859 Mortgage and other asset-backed securities, Price based valuation, Price Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesPriceBasedValuationPrice
1860 Mortgage and other asset-backed securities, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:MortgageAndOtherAssetBackedSecuritiesDiscountedCashFlowValuationCreditSpreadBps
1861 Mortgage and other asset-backed securities, Constant default rate valuation, Rate Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesConstantDefaultRateValuationRate
1862 Mortgage and other asset-backed securities, Constant prepayment rate valuation, Rate Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesConstantPrepaymentRateValuationRate
1863 Mortgage and other asset-backed securities, Discounted cash flow valuation, Recovery rate Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesDiscountedCashFlowValuationRecoveryRate
1864 Mortgage and other asset-backed securities, Discounted cash flow valuation, Constant default rate Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesDiscountedCashFlowValuationConstantDefaultRate
1865 Mortgage and other asset-backed securities, Discounted cash flow valuation, Constant prepayment rate Concept (Percent) As Of db:MortgageAndOtherAssetBackedSecuritiesDiscountedCashFlowValuationConstantPrepaymentRate
1866 Total mortgage- and other asset-backed securities Concept (Monetary) As Of db:MortgageAndOtheAssetBackedSecurities
1867 Debt securites and other debt obligations Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligations
1868 Debt securites and other debt obligations, Price based valuation, Price Concept (Percent) As Of db:DebtSecuritiesAndOtherDebtObligationsPriceBasedValuationPrice
1869 Debt securuties and other debt obligations, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:DebtSecuritiesAndOtherDebtObligationsDiscountedCashFlowValuationCreditSpreadBps
1870 Debt securities and other debt obligations, held for trading Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsHeldForTrading
1871 Corporate, sovereign and other debt securities (held for trading) Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsHeldForTradingCorporateSovereignAndOtherDebtSecurities
1872 Debt securities and other debt obligations, available for sale Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsAvailableForSale
1873 Debt securities and other debt obligations, Non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
1874 Debt securities and other debt obligations, designated at fair value Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsDesignatedAtFairValue
1875 Debt securities and other debt obligations, Mandatory at fair value through OCI Concept (Monetary) As Of db:DebtSecuritiesAndOtherDebtObligationsMandatoryAtFairValueThroughOCI
1876 Equity securities Concept (Monetary) As Of Debit db:EquitySecurities
1877 Equity securities, Market approach valuation, Price per net asset value Concept (Percent) As Of db:EquitySecuritiesMarketApproachValuationPricePerNetAssetValue
1878 Equity securities, Market approach valuation, Enterprise value / EBITDA (multiple) Concept (Pure) As Of db:EquitySecuritiesMarketApproachValuationEbitda
1879 Equity securities, available-for-sale, Discounted cash flow valuation, Weighted average cost capital Concept (Percent) As Of db:EquitySecuritiesAvailableForSaleDiscountedCashFlowValuationWeightedAvarageCostCapital
1880 Equity securities, held for trading Concept (Monetary) As Of db:EquitySecuritiesHeldForTrading
1881 Equity securities, Non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of db:EquitySecuritiesNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
1882 Equity securities, available for sale Concept (Monetary) As Of db:EquitySecuritiesAvailableForSale
1883 Equity securities, designated at fair value through P/L Concept (Monetary) As Of db:EquitySecuritiesDesignatedAtFairValueThroughPL
1884 Loans Concept (Monetary) As Of Debit db:Loans
1885 Loans, Priced based valuation, Price Concept (Percent) As Of db:LoansPriceBasedValuationPrice
1886 Loans, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:LoansDiscountedCashFlowValuationCreditSpreadBps
1887 Loans, Discounted cash flow, Constant default rate Concept (Monetary) As Of db:LoansDiscountedCashFlowConstantDefaultRate
1888 Loans, Discounted cash flow valuation, Recovery rate Concept (Percent) As Of db:LoansDiscountedCashFlowRecoveryRate
1889 Loans, held for trading Concept (Monetary) As Of db:LoansHeldForTrading
1890 Loans, Non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of db:LoansNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
1891 Loans, Designated at fair value through profit or loss Concept (Monetary) As Of db:LoansDesignatedAtFairValueThroughPL
1892 Loans, Available-for-sale Concept (Monetary) As Of db:LoansAvailableForSale
1893 Loans, Financial assets at fair value through other comprehensive income Concept (Monetary) As Of db:LoansFinancialAssetsAtFairValueThroughOCI
1894 Loan commitments (financial instruments) Concept (Monetary) As Of db:LoanCommitments
1895 Loan Commitments, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:LoanCommitmentsDiscountedCashFlowCreditSpread
1896 Loan Commitments, Discounted cash flow valuation, Recovery rate Concept (Percent) As Of db:LoanCommitmentsDiscountedCashFlowRecoveryRate
1897 Loan Commitment, Loan Pricing Model Valuation, Utilization Concept (Percent) As Of db:LoanCommitmentLoanPricingModelValuationUtilization
1898 Other financial instruments Concept (Monetary) As Of db:OtherFinancialInstruments
1899 Other financial instruments, Discounted cash flow valuation, IRR Concept (Percent) As Of db:OtherFinancialInstrumentsDuscountedCashFlowValuationIrr
1900 Other financial instruments, Discounted cash flow valuation, Repo rate (bps) Concept (Pure) As Of db:OtherFinancialInstrumentsDiscountedCashFlowValuationRapoRateBps
1901 Total non-derivative financial instruments held at fair value Concept (Monetary) As Of db:NonDerivativeFinancialInstrumentsHeldAtFairValue
1902 Financial instruments held at fair value: Abstract db:FinanicalInstrumentsHeldAtFairValueAbstract
1903 Market values from derivative financial instruments: Abstract db:MarketValuesFromDerivateFinancialInstrumentsAbstract
1904 Interest rates derivatives Concept (Monetary) As Of db:InterstRateDerivates
1905 Interest rate derivatives, Discounted cash flow valuation, Swap rate (bps) Concept (Pure) As Of db:InterestRatesDerivatesDiscountedCashFlowValuationSwapRateBps
1906 Interest rate derivatives, Discounted cash flow valuation, Inflation swap rate Concept (Percent) As Of db:InterestRatesDerivatesDiscountedCashFlowValuationInflationSwapRate
1907 Interest rate derivatives, Discounted cash flow valuation, Constant default rate Concept (Percent) As Of db:InterestRatesDerivatesDiscountedCashFlowValuationConstantDefaultRate
1908 Interest rate derivatives, Discounted cash flow valuation, Constant prepayment rate Concept (Percent) As Of db:InterestRatesDerivatesDiscountedCashFlowValuationConstantPrepaymentRate
1909 Interest rate derivatives, Option pricing model valuation, Inflation volatility Concept (Percent) As Of db:InterestRatesDerivatesDiscountedOptionPricingModelValuationInflationVolatility
1910 Interest rate derivatives, Option pricing model valuation, Interest rate volatility Concept (Percent) As Of db:InterestRatesDerivatesOptionPricingValuationInterestRateVolatility
1911 Interest rate derivatives, Option pricing model valuation, IR - IR correlation Concept (Percent) As Of db:InterestRatesDerivatesOptionPricingModelValuationIrCorrelation
1912 Interest rate derivatives, Option pricing model valuation, Hybrid correlation Concept (Percent) As Of db:InterestRatesDerivatesOptionPricingModelValuationHybridCorrelation
1913 Credit derivatives Concept (Monetary) As Of db:CreditDerivates
1914 Credit derivatives, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:CreditDerivatesDiscountedCashFlowValuationCreditSpreadBps
1915 Credit derivatives, Discounted cash flow valuation, Recovery rate Concept (Percent) As Of db:CreditDerivatesDiscountedCashFlowValuationRecoveryRate
1916 Credit derivatives, Correlation pricing model valuation, Credit correlation Concept (Percent) As Of db:CreditDerivatesCorrelationPricingModelValuationCreditCorrelation
1917 Equity derivatives Concept (Monetary) As Of db:EquityDerivates
1918 Equity derivatives, Option pricing model valuation, Stock volatility Concept (Percent) As Of db:EquityDerviatesOptionPricingModelStockVolatility
1919 Equity derivatives, Option pricing model valuation, Index volatility Concept (Percent) As Of db:EquityDerviatesOptionPricingModelValuationIndexVolatilty
1920 Equity derivatives, Option pricing model valuation, Index - index-correlation Concept (Percent) As Of db:EquityDerviatesOptionPricingModelValuationIndexCorrelation
1921 Equity derivatives, Option pricing model valuation, Stock - stock correlation Concept (Percent) As Of db:EquityDerviatesOptionPricingModelValuationStockCorrelation
1922 Equity derivatives, Option pricing model valuation, Stock forwards Concept (Percent) As Of db:EquityDerviatesOptionPricingModelValuationStockForwards
1923 Equity derivatives, Option pricing model valuation, Index forwards Concept (Percent) As Of db:EquityDerviatesOptionPricingModelValuationIndexForwards
1924 FX derivatives Concept (Monetary) As Of db:FxDerivates
1925 FX derivatives, Option pricing model valuation, Volatilty Concept (Percent) As Of db:FxDerivatesOptionPricingModelVolatility
1926 Other derivatives Concept (Monetary) As Of db:OtherDerivates
1927 Other derivatives, Discounted cash flow valuation, Credit spread (bps) Concept (Pure) As Of db:OtherDerivatesDiscountedCashFlowValuationCreditSpreadBps
1928 Other derivatives, Option pricing model valuation, Index volatilty Concept (Percent) As Of db:OtherDerivatesOptionPricingModelValuationIndexVolatility
1929 Other derivatives, Option pricing model valuation, Commodity correlation Concept (Percent) As Of db:OtherDerivatesOptionPricingModelValuationCommodityCorrelation
1930 Total market values from derivative financial instruments Concept (Monetary) As Of db:MarketValuesFromDerivativeFinancialInstruments
1931 51304 - Disclosure - Quantitative Information about Fair Value (Level 3) (Detail: Text Values) Network

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*

 http://www.db.com/role/FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputsTextValues
1932 Financial instruments classified in Level 3 and quantitative information about unobservable inputs [Table] Table

*

*

 db:FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputsTable
1933 Levels of value hierachy [Axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1934 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1935 Columns [Axis] Axis ifrs-full:ClassesOfAssetsAxis
1936 Fair value [Member] Member ifrs-full:AtFairValueMember
1937 Assets [Member] Member ifrs-full:ClassesOfAssetsMember
1938 Liabilities [Member] Member ifrs-full:LiabilitiesMember
1939 Financial instruments classified in Level 3 and quantitative information about unobservable inputs [Line Items] LineItems db:FinancialInstrumentsClassifiedInLevel3AndQuantitativeInformationAboutUnobservableInputsLineItems
1940 Non-derivative other financial instruments held at fair value [Abstract] Abstract db:NonDerivativeOtherFinancialInstrumentsHeldAtFairValueAbstract
1941 Included in other financial assets [Abstract] Abstract db:IncludedInOtherFinancialAssetsAbstract
1942 Other trading assets Concept (Monetary) As Of Debit db:NonderivativeOtherFinancialinstrumentsAtFairValueOtherTradingAssets
1943 Other financial assets designated at fair value Concept (Monetary) As Of Debit db:NonderivativeOtherFinancialinstrumentsAtFairValueOtherDesignated
1944 Other financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of Debit db:OtherFinancialAssetsAtFairValueThroughProfitOrLoss
1945 Other financial assets available for sale Concept (Monetary) As Of Debit db:NonderivativeOtherFinancialinstrumentsAtFairValueOtherAvailableForSale
1946 Included in other financial liabilities [Abstract] Abstract db:IncludedInOtherFinancialLiabilitiesAbstract
1947 Securities sold under repurchase agreements designated at fair value Concept (Monetary) As Of Credit db:NonderivativeOtherFinancialinstrumentsAtFairValueSoldRepurchaseDesignated
1948 Other financial liabilities designated at fair value Concept (Monetary) As Of Credit db:NonderivativeOtherFinancialinstrumentsAtFairValueOtherFinancialLiabilities
1949 51305 - Disclosure - Unrealized Gains or Losses on Level 3 Instruments held or in Issue at the Reporting Date (Detail) Network

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*

 http://www.db.com/role/TotalGainsOrLossesRecordedInNetGainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLoss
1950 Unrealized Gains or Losses on Level 3 Instruments [Table] Table

*

*

 db:UnrealizedGainsOrLossesOnLevelThreeInstrumentsTable
1951 Unrealized Gains or Losses [Axis] Axis db:UnrealizedGainsOrLossesAxis
1952 Unrealized Gains or Losses [Domain Member] Member db:UnrealizedGainsOrLossesDomainMember
1953 Unrealized Gains or Losses [Member] Member db:UnrealizedGainsOrLossesMember
1954 Carrying Value of The Financial Instruments held at Fair Value [Axis] Axis db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueAxis
1955 Carrying Value of The Financial Instruments held at Fair Value [Domain Member] Member db:CarryingValueOfTheFinancialInstrumentsHeldAtFairValueDomainMember
1956 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1957 Unrealized Gains or Losses on Level 3 Instruments [Line Items] LineItems db:TotalGainsOrLossesRecordedInNetGainsLossesOnFinancialInstrumentsAtFairValueThroughProfitOrLossLineItems
1958 Financial assets held at fair value [Abstract] Abstract db:FinancialAssetsHeldAtFairValueAbstract
1959 Trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
1960 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1961 Other trading assets Concept (Monetary) As Of Debit db:OtherTradingAssetsFinancialAssetsAtFairValue
1962 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1963 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1964 Financial assets mandatory at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1965 Equity Instruments designated at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
1966 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1967 Other financial assets at fair value Concept (Monetary) As Of Debit db:OtherFinancialAssetsAtFairValue
1968 Total financial assets held at fair value Concept (Monetary) As Of Debit db:FinancialAssetsHeldAtFairValue
1969 Financial liabilities held at fair value: Abstract db:FinancialLiabilitiesHeldAtFairValueAbstract
1970 Trading securities, liabilities Concept (Monetary) As Of Credit db:TradingSecuritiesLiabilities
1971 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1972 Other trading liabilities Concept (Monetary) As Of Credit db:OtherTradingLiabilitiesFinancialLiabilities
1973 Financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1974 Other financial liabilities at fair value Concept (Monetary) As Of Credit db:OtherFinancialLiabilitiesAtFairValue
1975 Total financial liabilities held at fair value Concept (Monetary) As Of Credit db:FinancialLiabilitiesHeldAtFairValue
1976 Total Concept (Monetary) As Of Debit db:UnrealizedGainsOrLossesOnLevelThreeInstrumentsNet
1977 51306 - Disclosure - Recognitions of Trade Date Profit (Detail) Network

*

*

 http://www.db.com/role/RecognitionsOfTradeDateProfit
1978 Implied Table Table

*

*

 implied:Table
1979 Recognitions of Trade Date Profit Abstract db:RecognitionsOfTradeDateProfitAbstract
1980 Balance, beginning of year Concept (Monetary) As Of Debit db:BalanceRecognitionsOfTradeDateProfit
1981 Balance, Recognitions of Trade Date Profit IFRS 9 Concept (Monetary) As Of Debit db:BalanceRecognitionsOfTradeDateProfitIFRS9
1982 New trades during the period Concept (Monetary) As Of Debit db:NewTradesDuringThePeriodRecognitionsOfTradeDateProfit
1983 Amortization Concept (Monetary) For Period Debit db:AmortizationRecognitionsOfTradeDateProfit
1984 Matured trades Concept (Monetary) For Period Debit db:MaturedTradesRecognitionsOfTradeDateProfit
1985 Subsequent move to observability Concept (Monetary) For Period Debit db:SubsequentMoveToObservabilityRecognitionsOfTradeDateProfit
1986 Exchange rate changes Concept (Monetary) For Period Debit db:ExchangeRateChangesRecognitionsOfTradeDateProfit
1987 Balance, end of year Concept (Monetary) As Of Debit db:BalanceRecognitionsOfTradeDateProfit
1988 51401 - Disclosure - Estimated Fair Value of the Financial Instruments not carried at Fair Value (Detail) Network

*

*

 http://www.db.com/role/EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValue
1989 Estimated Fair Value of the Financial Instruments not carried at Fair Value [Table] Table

*

*

 db:EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValueTable
1990 Estimated Fair Value of the Financial Instruments not carried at Fair Value [Axis] Axis db:EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValueAxis
1991 Estimated Fair Value of the Financial Instruments not carried at Fair Value [Domain Member] Member db:EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValueDomainMember
1992 Carrying value [Member] Member ifrs-full:CarryingAmountMember
1993 Fair value [Member] Member ifrs-full:AtFairValueMember
1994 Quoted prices in active market (Level 1) Member ifrs-full:Level1OfFairValueHierarchyMember
1995 Valuation technique observable parameters (Level 2) Member ifrs-full:Level2OfFairValueHierarchyMember
1996 Valuation technique unobservable parameters (Level 3) Member ifrs-full:Level3OfFairValueHierarchyMember
1997 Estimated Fair Value of the Financial Instruments not carried at Fair Value [line items] LineItems db:EstimatedFairValueOfTheFinancialInstrumentsNotCarriedAtFairValueLineItems
1998 Financial assets: Abstract db:FinancialAssetsAbstract
1999 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
2000 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
2001 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
2002 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
2003 Loans Concept (Monetary) As Of Debit db:Loans
2004 Securities held to maturity Concept (Monetary) As Of Debit db:SecuritiesHeldToMaturity
2005 Other financial assets Concept (Monetary) As Of Debit db:OtherFinancialAssetsNotCarriedAtFairValue
2006 Financial liabilities: Abstract db:FinancialLiabilitiesAbstract
2007 Deposits Concept (Monetary) As Of Credit db:Deposits
2008 Central bank funds purchased and securities sold under repurchase agreements Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUunderRepurchaseAgreements
2009 Securities loaned Concept (Monetary) As Of Credit db:SecuritiesLoaned
2010 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
2011 Other financial liabilities Concept (Monetary) As Of Credit db:OtherFinancialLiabilitiesNotCarriedAtFairValue
2012 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
2013 Trust preferred securities Concept (Monetary) As Of Credit db:TrustPreferredSecurities
2014 51501 - Disclosure - Financial Assets Available for Sale (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAvailableForSale
2015 Financial Assets Available for Sale [Table] Table

*

*

 db:FinancialAssetsAvailableForSaleTable
2016 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
2017 Consolidated legal entity [Domain Member] Member dei:EntityDomain
2018 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
2019 Financial Assets Available for Sale [Line Items] LineItems db:FinancialAssetsAvailableForSaleLineItems
2020 Debt securities [Abstract]: Abstract db:DebtSecuritiesAbstract
2021 German government Concept (Monetary) As Of Debit db:GermanGovernment
2022 U.S. Treasury and U.S. government agencies Concept (Monetary) As Of Debit db:USTreasuryAndUSGovernmentAgencies
2023 U.S. local (municipal) governments Concept (Monetary) As Of Debit db:USLocalMunicipalGovernments
2024 Other foreign governments Concept (Monetary) As Of Debit db:OtherForeignGovernments
2025 Corporates Concept (Monetary) As Of Debit db:Corporates
2026 Other asset-backed securities Concept (Monetary) As Of Debit db:OtherAssetBackedSecurities
2027 Mortgage-backed securities, including obligations of U.S. federal agencies Concept (Monetary) As Of Debit db:MortgageBackedSecuritiesIncludingObligationsOfUSFederaAgencies
2028 Other debt securities Concept (Monetary) As Of Debit db:OtherDebtSecurities
2029 Total debt securities Concept (Monetary) As Of Debit db:DebtSecuritiesCreditRiskProfile
2030 Equity securities: Abstract db:EquitySecuritiesAbstract
2031 Equity shares Concept (Monetary) As Of Debit db:EquityShares
2032 Investment certificates and mutual funds Concept (Monetary) As Of Debit db:InvestmentCertificatesAndMutualFunds
2033 Total equity securities Concept (Monetary) As Of Debit db:EquitySecurities
2034 Other equity interests Concept (Monetary) As Of Debit db:OtherEquityInterests
2035 Loans Concept (Monetary) As Of Debit db:LoansAssetsAvailableForSale
2036 Total financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2037 51601 - Disclosure - Financial assets at fair value through OCI (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAtFaitValueThroughOCI
2038 Financial assets at fair value through OCI [Table] Table

*

*

 db:FinancialAssetsAtFairValueThroughOCITable
2039 Financial assets at fair value through OCI [Axis] Axis db:FinancialAssetsAtFairValueThroughOCIAxis
2040 Financial assets at fair value through OCI [Domain Member] Member db:FinancialAssetsAtFairValueThroughOCIDomainMember
2041 Financial assets at fair value through OCI [Member] Member db:FinancialAssetsAtFairValueThroughOCIMember
2042 Financial assets at fair value through OCI [Line Items] LineItems db:FinancialAssetsAtFairValueThroughOCILineItems
2043 Securities purchased under resale agreement Concept (Monetary) As Of db:SecuritiesPurchasedUnderResaleAgreementsFinancialAssetsAtFairValueThroughOCI
2044 Debt securities [Abstract]: Abstract db:DebtSecuritiesAbstract
2045 German government Concept (Monetary) As Of Debit db:GermanGovernment
2046 U.S. Treasury and U.S. government agencies Concept (Monetary) As Of Debit db:USTreasuryAndUSGovernmentAgencies
2047 U.S. local (municipal) governments Concept (Monetary) As Of Debit db:USLocalMunicipalGovernments
2048 Other foreign governments Concept (Monetary) As Of Debit db:OtherForeignGovernments
2049 Corporates Concept (Monetary) As Of Debit db:Corporates
2050 Other asset-backed securities Concept (Monetary) As Of Debit db:OtherAssetBackedSecurities
2051 Mortgage-backed securities, including obligations of U.S. federal agencies Concept (Monetary) As Of Debit db:MortgageBackedSecuritiesIncludingObligationsOfUSFederaAgencies
2052 Other debt securities Concept (Monetary) As Of Debit db:OtherDebtSecurities
2053 Total debt securities Concept (Monetary) As Of Debit db:DebtSecuritiesCreditRiskProfile
2054 Loans Concept (Monetary) As Of Debit db:LoansAssetsAvailableForSale
2055 Total financial assets mandatory at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
2056 51601 - Disclosure - Financial Assets at FV through OCI (Detail: Text Values) Network

*

*

 http://www.db.com/role/FinancialAssetsAtFaitValueThroughOCITextValues
2057 Implied Table Table

*

*

 implied:Table
2058 Financial assets at fair value through OCI [Abstract] Abstract db:FinancialAssetsAtFairValueThroughOCIAbstract
2059 Fair value of financial assets at Fair value through Other Comprehensive Income (FVOCI) subject to impairment Concept (Monetary) As Of db:FairValueOfFinancialAssetsAtFVOCISubjectToImpairment
2060 of which: Allowance for credit losses against these assets Concept (Monetary) As Of db:FairValueOfFinancialAssetsAtFVOCISubjectToImpairmentOfWhichAllowanceForCreditLossesAgainstTheseAssets
2061 51701 - Disclosure - Financial Instruments Held to Maturity (Detail) Network

*

*

 http://www.db.com/role/FinancialInstrumentsHeldToMaturity
2062 Financial Instruments Held to Maturity [Table] Table

*

*

 db:FinancialInstrumentsHeldToMaturityTable
2063 Financial Instruments Held to Maturity [Axis] Axis db:FinancialInstrumentsHeldToMaturityAxis
2064 Financial Instruments Held to Maturity [Domain Member] Member db:FinancialInstrumentsHeldToMaturityDomainMember
2065 Carrying value (CV) [Member] Member ifrs-full:CarryingAmountMember
2066 Fair value (FV) [Member] Member ifrs-full:AtFairValueMember
2067 Financial Instruments Held to Maturity [line items] LineItems db:FinancialInstrumentsHeldToMaturityLineItems
2068 Debt securities reclassified: Abstract db:DebtSecuritiesReclassifiedAbstract
2069 G7 Government bonds Concept (Monetary) As Of Debit db:G7GovernmentBonds
2070 Other Government, supranational and agency bonds Concept (Monetary) As Of Debit db:OtherGovernmentSupranationalAndAgencyBonds
2071 Total financial assets reclassified to Held-to-Maturity Concept (Monetary) As Of Debit ifrs-full:HeldtomaturityInvestments
2072 51801 - Disclosure - Significant Investments (Detail) Network

*

*

 http://www.db.com/role/SignificantInvestments
2073 Significant Investments [Table] Table

*

*

 db:SignificantInvestmentsTable
2074 Companies [Axis] Axis db:CompaniesAxis
2075 Companies [Domain Member] Member db:CompaniesDomainMember
2076 Huarong Rongde Asset Management Company Ltd [Member] Member db:HuarongRongdeAssetManagementCompanyLtdMember
2077 Harvest Fund Management Co., LTD [Member] Member db:HarvestFundManagementCoLtdMember
2078 Significant Investments [Line Items] LineItems db:SignificantInvestmentsLineItems
2079 Principal place of business Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusiness
2080 Nature of relationship Concept (Text/String) For Period db:NatureOfRelationship
2081 Ownership percentage Concept (Percent) As Of db:PercentageOfOwnershipInEquityInvestment
2082 51802 - Disclosure - Summarised financial information on Huarong Rongde Asset Management Company Ltd (Detail) Network

*

*

 http://www.db.com/role/SummarisedFinancialInformationOnHuarongRongdeAssetManagementCompanyLtd
2083 Summarised financial information on Huarong Rongde Asset Management Company Ltd [Table] Table

*

*

 db:SummarisedFinancialInformationOnHuarongRongdeAssetManagementCompanyLtdTable
2084 Companies [Axis] Axis db:CompaniesAxis
2085 Companies [Domain Member] Member db:CompaniesDomainMember
2086 Huarong Rongde Asset Management Company Ltd [Member] Member db:HuarongRongdeAssetManagementCompanyLtdMember
2087 Summarised financial information on Huarong Rongde Asset Management Company Ltd [Line Items] LineItems db:SummarisedFinancialInformationOnHuarongRongdeAssetManagementCompanyLtdLineItems
2088 Total net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
2089 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2090 Other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
2091 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2092 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2093 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2094 Noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2095 Net assets of the equity method investee Concept (Monetary) As Of db:NetAssetsOfTheEquityMethodInvestee
2096 51803 - Disclosure - Reconciliation of total net assets of Huarong Rongde Asset Management Company Ltd to the Groups carrying amount (Detail) Network

*

*

 http://www.db.com/role/ReconciliationOfTotalNetAssetsOfHuarongRongdeAssetManagementCompanyLtdToTheGroupsCarryingAmount
2097 Reconciliation of total net assets of Huarong Rongde Asset Management Company Ltd to the Groups carrying amount [Table] Table

*

*

 db:ReconciliationOfTotalNetAssetsOfHuarongRongdeAssetManagementCompanyLtdToTheGroupsCarryingAmountTable
2098 Companies [Axis] Axis db:CompaniesAxis
2099 Companies [Domain Member] Member db:CompaniesDomainMember
2100 Huarong Rongde Asset Management Company Ltd [Member] Member db:HuarongRongdeAssetManagementCompanyLtdMember
2101 Reconciliation of total net assets of Huarong Rongde Asset Management Company Ltd to the Groups carrying amount [Line Items] LineItems db:ReconciliationOfTotalNetAssetsOfHuarongRongdeAssetManagementCompanyLtdToTheGroupsCarryingAmountLineItems
2102 Net assets of the equity method investee Concept (Monetary) As Of db:NetAssetsOfTheEquityMethodInvestee
2103 Groups ownership percentage on the investees equity Concept (Percent) As Of db:PercentageOfOwnershipInEquityInvestment
2104 Groups share of net assets Concept (Monetary) As Of db:GroupsShareOfNetAssetsInEquityInvestment
2105 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2106 Intangible Assets Concept (Monetary) As Of db:IntangibleAssets
2107 Other adjustments Concept (Monetary) As Of db:OtherAdjustmentsOfTotalNetAssetsInEquityInvestment
2108 Carrying amount Concept (Monetary) As Of db:CarryingAmountEquityInvestment
2109 51804 - Disclosure - Summarised financial information on Harvest Fund Management Co., LTD (Detail) Network

*

*

 http://www.db.com/role/SummarisedFinancialInformationOnHarvestFundManagementCoLTD
2110 Summarised financial information on Harvest Fund Management Co., LTD [Table] Table

*

*

 db:SummarisedFinancialInformationOnHarvestFundManagementCoLTDTable
2111 Companies [Axis] Axis db:CompaniesAxis
2112 Companies [Domain Member] Member db:CompaniesDomainMember
2113 Harvest Fund Management Co., LTD [Member] Member db:HarvestFundManagementCoLtdMember
2114 Summarised financial information on Harvest Fund Management Co., LTD [Line Items] LineItems db:SummarisedFinancialInformationOnHarvestFundManagementCoLTDLineItems
2115 Total net revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
2116 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2117 Other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
2118 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2119 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2120 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2121 Noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2122 Net assets of the equity method investee Concept (Monetary) As Of db:NetAssetsOfTheEquityMethodInvestee
2123 51805 - Disclosure - Reconciliation of total net assets of Harvest Fund Management Co., LTD to the Groups carrying amount (Detail) Network

*

*

 http://www.db.com/role/ReconciliationOfTotalNetAssetsOfHarvestFundManagementCoLTDToTheGroupsCarryingAmount
2124 Reconciliation of total net assets of Harvest Fund Management Co., LTD to the Groups carrying amount [Table] Table

*

*

 db:ReconciliationOfTotalNetAssetsOfHarvestFundManagementCoLTDToTheGroupsCarryingAmountTable
2125 Companies [Axis] Axis db:CompaniesAxis
2126 Companies [Domain Member] Member db:CompaniesDomainMember
2127 Harvest Fund Management Co., LTD [Member] Member db:HarvestFundManagementCoLtdMember
2128 Reconciliation of total net assets of Harvest Fund Management Co., LTD to the Groups carrying amount [Line Items] LineItems db:ReconciliationOfTotalNetAssetsOfHarvestFundManagementCoLTDToTheGroupsCarryingAmountLineItems
2129 Net assets of the equity method investee Concept (Monetary) As Of db:NetAssetsOfTheEquityMethodInvestee
2130 Groups ownership percentage on the investees equity Concept (Percent) As Of db:PercentageOfOwnershipInEquityInvestment
2131 Groups share of net assets Concept (Monetary) As Of db:GroupsShareOfNetAssetsInEquityInvestment
2132 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2133 Intangible Assets Concept (Monetary) As Of db:IntangibleAssets
2134 Other adjustments Concept (Monetary) As Of db:OtherAdjustmentsOfTotalNetAssetsInEquityInvestment
2135 Carrying amount Concept (Monetary) As Of db:CarryingAmountEquityInvestment
2136 51806 - Disclosure - Equity Method Investments - Information on the Groups Share in Associates and Joint Ventures individually immaterial (Detail: Text Values) Network

*

*

 http://www.db.com/role/InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialParenthetical
2137 Implied Table Table

*

*

 implied:Table
2138 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Abstract] Abstract db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialAbstract
2139 Number of associates Deutsche Bank Group holds interests Concept (Pure) As Of db:NumberOfAssociatesDeutscheBankGroupHoldsInterests
2140 Number of jointly controlled entities Deutsche Bank Group holds interests Concept (Monetary) As Of db:NumberOfJointlyControlledEntitiesDeutscheBankGroupHoldsInterests
2141 Investment in Huarong Rongde Asset Management Company Ltd Abstract db:InvestmentInHuarongRongdeAssetManagementCompanyLtdAbstract
2142 Dividends received Concept (Monetary) As Of db:InvestmentInHuarongRongdeAssetManagementCompanyLtdDividendsReceived
2143 Impairment Concept (Monetary) As Of db:InvestmentInHuarongRongdeAssetManagementCompanyLtdImpairment
2144 Investment in Harvest Fund Management Co., LTD Abstract db:InvestmentInHarvestFundManagementCoLTDAbstract
2145 Dividends received Concept (Monetary) As Of db:InvestmentInHarvestFundManagementCoLTDDividendsReceived
2146 Impairment Concept (Monetary) As Of db:InvestmentInHarvestFundManagementCoLTDImpairment
2147 51806 - Disclosure - Information on the Groups Share in Associates and Joint Ventures individually immaterial (Detail) Network

*

*

 http://www.db.com/role/InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterial
2148 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Table] Table

*

*

 db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialTable
2149 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Axis] Axis db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialAxis
2150 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Domain Member] Member db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialDomainMember
2151 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Member] Member db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialMember
2152 Information on the Groups Share in Associates and Joint Ventures individually immaterial [Line Items] LineItems db:InformationOnTheGroupsShareInAssociatesAndJointVenturesIndividuallyImmaterialLineItems
2153 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
2154 Aggregated amount of the Group's share of profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2155 Aggregated amount of the Group's share of post-tax profit (loss) from discontinued operations Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfDiscontinuedOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2156 Aggregated amount of the Group's share of other comprehensive income Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2157 Aggregated amount of the Group's share of total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2158 51901 - Disclosure - Offsetting Assets IAS 39 (Details) Network

*

*

 http://www.db.com/role/OffsettingAssetsIAS39
2159 Offsetting Financial Assets [Table] Table

*

*

 db:OffsettingFinancialAssetsTable
2160 Offsetting Financial Assets [Axis] Axis db:OffsettingFinancialAssetsAxis
2161 Offsetting Financial Assets [Domain Member] Member db:OffsettingFinancialAssetsDomainMember
2162 Gross amounts of financial assets [Member] Member db:GrossAmountsOfFinancialAssetsMember
2163 Gross amounts set off on the balance sheet [Member] Member db:GrossAmountsSetOffOnTheBalanceSheetMember
2164 Net amounts of financial assets presented on the balance sheet [Member] Member db:NetAmountsOfFinancialAssetsPresentedOnTheBalanceSheetMember
2165 Amounts not set off on the balance sheet [Member] Member db:AmountsNotSetOffOnTheBalanceSheetMember
2166 Impact of Master Netting Agreements [Member] Member db:ImpactOfMasterNettingAgreementsMember
2167 Cash collateral [Member] Member db:CashCollateralMember
2168 Financial instrument collateral [Member] Member db:FinancialInstrumentCollateralMember
2169 Net amount [Member] Member db:NetAmountMember
2170 Key Ratios [Axis] Axis db:KeyRatiosAxis
2171 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2172 IAS 39 [Member] Member db:IAS39Member
2173 Offsetting Financial Assets [Line Items] LineItems db:OffsettingFinancialAssetsLineItems
2174 Central bank funds sold and securities purchased under resale agreements (enforceable) Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreementsEnforceable
2175 Central bank funds sold and securities purchased under resale agreements (non-enforceable) Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreementsNonEnforceable
2176 Securities borrowed (enforceable) Concept (Monetary) As Of Debit db:SecuritiesBorrowedEnforceable
2177 Securities borrowed (non-enforceable) Concept (Monetary) As Of Debit db:SecuritiesBorrowedNonEnforceable
2178 Financial assets at fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
2179 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
2180 Positive market values from derivative financial instruments (enforceable) Concept (Monetary) As Of Debit db:PositiveMarketValuesFromDerivativeFinancialInstrumentsEnforceable
2181 Positive market values from derivative financial instruments (non-enforceable) Concept (Monetary) As Of Debit db:PositiveMarketValuesFromDerivativeFinancialInstrumentsNonEnforceable
2182 Financial assets designated at fair value through profit or loss (enforceable) Concept (Monetary) As Of Debit db:FinancialAssetsDesignatedAtFairValueThroughProfitOrLossEnforceable
2183 Financial assets designated at fair value through profit or loss (non-enforceable) Concept (Monetary) As Of Debit db:FinancialAssetsDesignatedAtFairValueThroughProfitOrLossNonEnforceable
2184 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2185 Loans Concept (Monetary) As Of Debit db:Loans
2186 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2187 Of which: Positive market values from derivatives qualifying for hedge accounting (enforceable) Concept (Monetary) As Of Debit db:ThereofPositiveMarketValuesFromDerivativesQualifyingForHedgeAccountingEnforceable
2188 Remaining assets not subject to netting Concept (Monetary) As Of Debit db:RemainingAssetsNotSubjectToNetting
2189 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2190 51901 - Disclosure - Offsetting Assets IFRS 9 (Details) Network

*

*

 http://www.db.com/role/OffsettingAssetsIFRS9
2191 Offsetting Financial Assets [Table] Table

*

*

 db:OffsettingFinancialAssetsTable
2192 Offsetting Financial Assets [Axis] Axis db:OffsettingFinancialAssetsAxis
2193 Offsetting Financial Assets [Domain Member] Member db:OffsettingFinancialAssetsDomainMember
2194 Gross amounts of financial assets [Member] Member db:GrossAmountsOfFinancialAssetsMember
2195 Gross amounts set off on the balance sheet [Member] Member db:GrossAmountsSetOffOnTheBalanceSheetMember
2196 Net amounts of financial assets presented on the balance sheet [Member] Member db:NetAmountsOfFinancialAssetsPresentedOnTheBalanceSheetMember
2197 Amounts not set off on the balance sheet [Member] Member db:AmountsNotSetOffOnTheBalanceSheetMember
2198 Impact of Master Netting Agreements [Member] Member db:ImpactOfMasterNettingAgreementsMember
2199 Cash collateral [Member] Member db:CashCollateralMember
2200 Financial instrument collateral [Member] Member db:FinancialInstrumentCollateralMember
2201 Net amount [Member] Member db:NetAmountMember
2202 Key Ratios [Axis] Axis db:KeyRatiosAxis
2203 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2204 IFRS 9 [Member] Member db:IFRS9Member
2205 Offsetting Financial Assets [Line Items] LineItems db:OffsettingFinancialAssetsLineItems
2206 Central bank funds sold and securities purchased under resale agreements (enforceable) Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreementsEnforceable
2207 Central bank funds sold and securities purchased under resale agreements (non-enforceable) Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreementsNonEnforceable
2208 Securities borrowed (enforceable) Concept (Monetary) As Of Debit db:SecuritiesBorrowedEnforceable
2209 Securities borrowed (non-enforceable) Concept (Monetary) As Of Debit db:SecuritiesBorrowedNonEnforceable
2210 Financial assets at fair value through profit or loss (enforceable) Concept (Monetary) As Of Debit db:FinancialAssetsAtFairValueThroughProfitOrLossEnforceable
2211 Of which: Positive market values from derivative financial instruments (enforceable) Concept (Monetary) As Of Debit db:PositiveMarketValuesFromDerivativeFinancialInstrumentsEnforceable
2212 Financial assets at fair value through profit or loss (non-enforceable) Concept (Monetary) As Of Debit db:FinancialAssetsAtFairValueThroughProfitOrLossNonEnforceable
2213 Of which: Positive market values from derivative financial instruments (non-enforceable) Concept (Monetary) As Of Debit db:PositiveMarketValuesFromDerivativeFinancialInstrumentsNonEnforceable
2214 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2215 Loans at amortized cost Concept (Monetary) As Of Debit db:Loans
2216 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2217 Of which: Positive market values from derivatives qualifying for hedge accounting (enforceable) Concept (Monetary) As Of Debit db:ThereofPositiveMarketValuesFromDerivativesQualifyingForHedgeAccountingEnforceable
2218 Remaining assets subject to netting Concept (Monetary) As Of Debit db:RemainingAssetsSubjectToNetting
2219 Remaining assets not subject to netting Concept (Monetary) As Of Debit db:RemainingAssetsNotSubjectToNetting
2220 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
2221 51902 - Disclosure - Offsetting Liabilities IAS 39 (Detail) Network

*

*

 http://www.db.com/role/OffsettingFinanciallLiabilitiesIAS39
2222 Offsetting Financial Liabilities [Table] Table

*

*

 db:OffsettingFinancialLiabilitiesTable
2223 Offsetting Financial Liabilities [Axis] Axis db:OffsettingFinancialLiabilitiesAxis
2224 Offsetting Financial Liabilities [Domain Member] Member db:OffsettingFinancialLiabilitiesDomainMember
2225 Gross amounts of financial liabilities [Member] Member db:GrossAmountsOfFinancialLiabilitiesMember
2226 Gross amounts set off on the balance sheet [Member] Member db:GrossAmountsSetOffOnTheBalanceSheetMember
2227 Net amounts of financial liabilities presented on the balance sheet [Member] Member db:NetAmountsOfFinancialLiabilitiesPresentedOnTheBalanceSheetMember
2228 Amounts not set off on the balance sheet [Member] Member db:AmountsNotSetOffOnTheBalanceSheetMember
2229 Impact of Master Netting Agreements [Member] Member db:ImpactOfMasterNettingAgreementsMember
2230 Cash collateral [Member] Member db:CashCollateralMember
2231 Financial instrument collateral [Member] Member db:FinancialInstrumentCollateralMember
2232 Net amount [Member] Member db:NetAmountMember
2233 Key Ratios [Axis] Axis db:KeyRatiosAxis
2234 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2235 IAS 39 [Member] Member db:IAS39Member
2236 Offsetting Financial Liabilities [Line Items] LineItems db:OffsettingFinancialLiabilitiesLineItems
2237 Deposits Concept (Monetary) As Of Credit db:Deposits
2238 Central bank funds purchased and securities sold under repurchase agreements (enforceable) Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreementsEnforceable
2239 Central bank funds purchased and securities sold under repurchase agreements (non-enforceable) Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreementsNonEnforceable
2240 Securities loaned (enforceable) Concept (Monetary) As Of Credit db:SecuritiesLoanedEnforceable
2241 Securities loaned (non-enforceable) Concept (Monetary) As Of Credit db:SecuritiesLoanedNonEnforceable
2242 Financial liabilities at fair value through profit or loss [Abstract] Abstract ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract
2243 Trading liabilities Concept (Monetary) As Of Credit db:TradingLiabilities
2244 Negative market values from derivative financial instruments (enforceable) Concept (Monetary) As Of Credit db:NegativeMarketValuesFromDerivativeFinancialInstrumentsEnforceable
2245 Negative market values from derivative financial instruments (non-enforceable) Concept (Monetary) As Of Credit db:NegativeMarketValuesFromDerivativeFinancialInstrumentsNonEnforceable
2246 Financial liabilities designated at fair value through profit or loss (enforceable) Concept (Monetary) As Of Credit db:FinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossEnforceable
2247 Financial liabilities designated at fair value through profit or loss (non-enforceable) Concept (Monetary) As Of Credit db:FinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLossNonEnforceable
2248 Total financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
2249 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2250 Of which: Negative market values from derivatives qualifying for hedge accounting (enforceable) Concept (Monetary) As Of Credit db:ThereofNegativeMarketValuesFromDerivativesQualifyingForHedgeAccountingEnforceable
2251 Remaining liabilities not subject to netting Concept (Monetary) As Of Credit db:RemainingLiabilitiesNotSubjectToNetting
2252 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2253 51902 - Disclosure - Offsetting Liabilities IFRS 9 (Details) Network

*

*

 http://www.db.com/role/OffsettingFinancialLiabilitiesLiabilitiesIFRS9
2254 Offsetting Financial Liabilities [Table] Table

*

*

 db:OffsettingFinancialLiabilitiesTable
2255 Offsetting Financial Liabilities [Axis] Axis db:OffsettingFinancialLiabilitiesAxis
2256 Offsetting Financial Liabilities [Domain Member] Member db:OffsettingFinancialLiabilitiesDomainMember
2257 Gross amounts of financial liabilities [Member] Member db:GrossAmountsOfFinancialLiabilitiesMember
2258 Gross amounts set off on the balance sheet [Member] Member db:GrossAmountsSetOffOnTheBalanceSheetMember
2259 Net amounts of financial liabilities presented on the balance sheet [Member] Member db:NetAmountsOfFinancialLiabilitiesPresentedOnTheBalanceSheetMember
2260 Amounts not set off on the balance sheet [Member] Member db:AmountsNotSetOffOnTheBalanceSheetMember
2261 Impact of Master Netting Agreements [Member] Member db:ImpactOfMasterNettingAgreementsMember
2262 Cash collateral [Member] Member db:CashCollateralMember
2263 Financial instrument collateral [Member] Member db:FinancialInstrumentCollateralMember
2264 Net amount [Member] Member db:NetAmountMember
2265 Key Ratios [Axis] Axis db:KeyRatiosAxis
2266 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2267 IFRS 9 [Member] Member db:IFRS9Member
2268 Offsetting Financial Liabilities [Line Items] LineItems db:OffsettingFinancialLiabilitiesLineItems
2269 Deposits Concept (Monetary) As Of Credit db:Deposits
2270 Central bank funds purchased and securities sold under repurchase agreements (enforceable) Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreementsEnforceable
2271 Central bank funds purchased and securities sold under repurchase agreements (non-enforceable) Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUnderRepurchaseAgreementsNonEnforceable
2272 Securities loaned (enforceable) Concept (Monetary) As Of Credit db:SecuritiesLoanedEnforceable
2273 Securities loaned (non-enforceable) Concept (Monetary) As Of Credit db:SecuritiesLoanedNonEnforceable
2274 Financial liabilities at fair value through profit or loss (enforceable) Concept (Monetary) As Of Credit db:FinancialLiabilitiesAtFairValueThroughProfitOrLossEnforceable
2275 Of which: Negative market values from derivative financial instruments (enforceable) Concept (Monetary) As Of Credit db:NegativeMarketValuesFromDerivativeFinancialInstrumentsEnforceable
2276 Financial liabilities at fair value through profit or loss (non-enforceable) Concept (Monetary) As Of Credit db:FinancialLiabilitiesAtFairValueThroughProfitOrLossNonEnforceable
2277 Of which: Negative market values from derivative financial instruments (non-enforceable) Concept (Monetary) As Of Credit db:NegativeMarketValuesFromDerivativeFinancialInstrumentsNonEnforceable
2278 Total financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
2279 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2280 Of which: Negative market values from derivatives qualifying for hedge accounting (enforceable) Concept (Monetary) As Of Credit db:ThereofNegativeMarketValuesFromDerivativesQualifyingForHedgeAccountingEnforceable
2281 Remaining liabilities not subject to netting Concept (Monetary) As Of Credit db:RemainingLiabilitiesNotSubjectToNetting
2282 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
2283 52001 - Disclosure - Components of Loans by Industry Classification IAS39 (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfLoansByIndustryClassificationIAS39
2284 Components of Loans by Industry Classification [Table] Table

*

*

 db:ComponentsOfLoansByIndustryClassificationTable
2285 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
2286 Consolidated legal entity [Domain Member] Member dei:EntityDomain
2287 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
2288 Key Ratios [Axis] Axis db:KeyRatiosAxis
2289 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2290 IAS 39 [Member] Member db:IAS39Member
2291 Components of Loans by Industry Classification [Line Items] LineItems db:ComponentsOfLoansByIndustryClassificationLineItems
2292 Financial intermediation Concept (Monetary) As Of Debit db:FinancialIntermediation
2293 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
2294 thereof [Abstract] Abstract db:ThereofAbstract
2295 Basic metals and fabricated metal products Concept (Monetary) As Of Debit db:BasicMetalsAndFabricatedMetalProducts
2296 Electrical and optical equipment Concept (Monetary) As Of Debit db:ElectricalAndOpticalEquipment
2297 Transport equipment Concept (Monetary) As Of Debit db:TransportEquipment
2298 Chemicals and chemical products Concept (Monetary) As Of Debit db:ChemicalsAndChemicalProducts
2299 Machinery and equipment Concept (Monetary) As Of Debit db:MachineryAndEquipment
2300 Food products Concept (Monetary) As Of Debit db:FoodProducts
2301 Households, excluding mortgages Concept (Monetary) As Of Debit db:Households
2302 Households - mortgages Concept (Monetary) As Of Debit db:HouseholdsMortgages
2303 Public sector Concept (Monetary) As Of Debit db:PublicSector
2304 Wholesale and retail trade Concept (Monetary) As Of Debit db:WholesaleAndRetailTrade
2305 Commercial real estate activities Concept (Monetary) As Of Debit db:CommercialRealEstateActivities
2306 Lease financing Concept (Monetary) As Of Debit db:LeaseFinancing
2307 Fund management activities Concept (Monetary) As Of Debit db:FundManagementActivities
2308 Other Concept (Monetary) As Of Debit db:OtherGrossLoans
2309 thereof: Abstract db:ThereofOtherGrossLoans
2310 Renting of machinery and other business activities Concept (Monetary) As Of Debit db:RentingOfMachineryAndOtherBusinessActivities
2311 Transport, storage and communication Concept (Monetary) As Of Debit db:TransportStorageAndCommunication
2312 Mining and quarrying of energy-producing materials Concept (Monetary) As Of Debit db:MiningAndQuarryingOfEnergyProducingMaterials
2313 Electricity, gas and water supply Concept (Monetary) As Of Debit db:ElectricityGasAndWaterSupply
2314 Gross loans Concept (Monetary) As Of Debit db:GrossLoans
2315 (Deferred expense)/unearned income Concept (Monetary) As Of db:DeferredExpenseUnearnedIncome
2316 Loans less (deferred expense)/unearned income Concept (Monetary) As Of Debit db:LoansLessDeferredExpenseUnearnedIncome
2317 Less: Allowance for loan losses Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2318 Total loans Concept (Monetary) As Of Debit db:Loans
2319 52001 - Disclosure - Components of Loans by Industry Classification IFRS 9 (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfLoansByIndustryClassificationIFRS9
2320 Components of Loans by Industry Classification [Table] Table

*

*

 db:ComponentsOfLoansByIndustryClassificationTable
2321 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
2322 Consolidated legal entity [Domain Member] Member dei:EntityDomain
2323 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
2324 Key Ratios [Axis] Axis db:KeyRatiosAxis
2325 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
2326 IFRS 9 [Member] Member db:IFRS9Member
2327 Components of Loans by Industry Classification [Line Items] LineItems db:ComponentsOfLoansByIndustryClassificationLineItems
2328 Agriculture, forestry and fishing Concept (Monetary) As Of db:AgricultureForestryAndFishing
2329 Mining and quarrying Concept (Monetary) As Of db:MiningAndQuarrying
2330 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
2331 Electricity, gas, steam and air conditioning supply Concept (Monetary) As Of db:ElectricityGasSteamAndAirConditioningSupply
2332 Water supply, sewerage, waste management and remediation activities Concept (Monetary) As Of db:WaterSupplySewerageWasteManagementAndRemediationActivities
2333 Construction Concept (Monetary) As Of db:Construction
2334 Wholesale and retail trade, repair of motor vehicles and motorcycles Concept (Monetary) As Of db:WholesaleAndRetailTradeRepairOfMotorVehiclesAndMotorcycles
2335 Transport and storage Concept (Monetary) As Of db:TransportAndStorage
2336 Accommodation and food service activities Concept (Monetary) As Of db:AccommodationAndFoodServiceActivities
2337 Information and communication Concept (Monetary) As Of db:InformationAndCommunication
2338 Financial and insurance activities Concept (Monetary) As Of db:FinancialAndInsuranceActivities
2339 Real estate activities Concept (Monetary) As Of db:RealEstateActivities
2340 Professional, scientific and technical activities Concept (Monetary) As Of db:ProfessionalScientificAndTechnicalActivities
2341 Administrative and support service activities Concept (Monetary) As Of db:AdministrativeAndSupportServiceActivities
2342 Public administration and defense, compulsory social security Concept (Monetary) As Of db:PublicAdministrationAndDefenseCompulsorySocialSecurity
2343 Education Concept (Monetary) As Of db:Education
2344 Human health services and social work activities Concept (Monetary) As Of db:HumanHealthServicesAndSocialWorkActivities
2345 Arts, entertainment and recreation Concept (Monetary) As Of db:ArtsEntertainmentAndRecreation
2346 Other service activities Concept (Monetary) As Of db:OtherServiceActivities
2347 Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use Concept (Monetary) As Of db:ActivitiesOfHouseholdsAsEmployersUndifferentiatedGoodsAndServicesProducingActivitiesOfHouseholdsForOwnUse
2348 Activities of extraterritorial organizations and bodies Concept (Monetary) As Of db:ActivitiesOfExtraterritorialOrganizationsAndBodies
2349 Gross loans Concept (Monetary) As Of Debit db:GrossLoans
2350 (Deferred expense)/unearned income Concept (Monetary) As Of db:DeferredExpenseUnearnedIncome
2351 Loans less (deferred expense)/unearned income Concept (Monetary) As Of Debit db:LoansLessDeferredExpenseUnearnedIncome
2352 Less: Allowance for loan losses Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2353 Total loans Concept (Monetary) As Of Debit db:Loans
2354 52101 - Disclosure - Allowance for Credit Losses (Detail: Text Values) Network

*

*

 http://www.db.com/role/AllowanceForCreditLossesTextValues
2355 Implied Table Table

*

*

 implied:Table
2356 Allowance for Credit Losses on/off Balance Sheet Positions [Abstract] Abstract db:AllowanceForCreditLossesOnOffBalanceSheetPositionsAbstract
2357 Allowance for country risk not included in Allowance for credit losses for Financial Assets at Amortized Cost Concept (Monetary) For Period db:AllowanceForCountryRiskNotIncludedInAllowanceForCreditLossesForFinancialAssetsAtAmortizedCost
2358 Allowance for country risk not included in Allowance for credit losses for Off-balance Sheet Positions Concept (Monetary) For Period db:AllowanceForCountryRiskNotIncludedInAllowanceForCreditLossesForOffBalanceSheetPositions
2359 Allowance for credit losses for financial assets at fair value through OCI [Abstract] Abstract db:AllowanceForCreditLossesForFinancialAssetsAtFairValueThroughOCIAbstract
2360 beginning of year Concept (Monetary) As Of db:AllowanceForCreditLossesForFinancialAssetsAtFairValueThroughOCI
2361 end of year Concept (Monetary) As Of db:AllowanceForCreditLossesForFinancialAssetsAtFairValueThroughOCI
2362 52101 - Disclosure - Development of allowance for credit losses in the reporting period, Allowance for Credit Losses (Detail) Network

*

*

 http://www.db.com/role/DevelopmentOfAllowanceForCreditLossesInTheReportingPeriodAllowanceForCreditLosses
2363 Development of exposures and allowance for credit losses in the reporting period [Table] Table

*

*

 db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodTable
2364 Stages [Axis] Axis db:StagesAxis
2365 Total Stages [Member] Member db:TotalStagesMember
2366 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
2367 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
2368 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
2369 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
2370 Development of exposures and allowance for credit losses in the reporting period [Axis] Axis db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodAxis
2371 Development of exposures and allowance for credit losses in the reporting period [Domain Member] Member db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodDomainMember
2372 Allowance for Credit Losses Member ifrs-full:AllowanceForCreditLossesMember
2373 Development of exposures and allowance for credit losses in the reporting period [Line Items] LineItems db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodLineItems
2374 Balance, beginning of year Concept (Monetary) As Of db:AllowanceForCreditLosses
2375 Movements in financial assets including new business Concept (Monetary) As Of db:MovementsIncludingNewBusiness
2376 Transfers due to changes in creditworthiness Concept (Monetary) For Period Credit db:TransfersDueToChangesInCreditWorthiness
2377 Changes due to modifications that did not result in derecognition Concept (Monetary) For Period Credit db:ChangesDueToModificationsThatDidNotResultInDerecognition
2378 Changes in models Concept (Monetary) For Period Credit db:ChangesInModels
2379 Financial assets that have been derecognized during the period Concept (Monetary) For Period Credit db:FinancialAssetsThatHaveBeenDerecognizedDuringThePeriod
2380 Recovery of written off amounts Concept (Monetary) As Of db:RecoveryOfWrittenOffAmounts
2381 Foreign exchange and other changes Concept (Monetary) For Period Credit db:ForeignExchangeAndOtherChanges
2382 Balance, end of reporting period Concept (Monetary) As Of db:AllowanceForCreditLosses
2383 Provision for Credit Losses excluding country risk Concept (Monetary) For Period Credit db:ProvisionForCreditLossesExcludingCountryRisk
2384 52102 - Disclosure - Intro AQ Section (Detail) Network

*

*

 http://www.db.com/role/IntroAQSection
2385 Intro AQ Section //Mapping auf RFT [Table] Table

*

*

 db:IntroAQSectionMappingAufRFTTable
2386 Stages [Axis] Axis db:StagesAxis
2387 Total Stages [Member] Member db:TotalStagesMember
2388 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
2389 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
2390 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
2391 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
2392 Credit Risk Profile [Axis] Axis db:CreditRiskProfileAxis
2393 Credit Risk Profile [Domain Member] Member db:CreditRiskProfileDomainMember
2394 Amortized Cost [Member] Member db:AtAmortizedCostMember
2395 Fair Value through OCI [Member] Member db:AtFairValueThroughOCIMember
2396 Off-balance sheet [Member] Member db:OffBalanceSheetMember
2397 Intro AQ Section //Mapping auf RFT [Line Items] LineItems db:IntroAQSectionMappingAufRFTLineItems
2398 Gross Carrying Amount Concept (Monetary) As Of db:GrossCarryingValue
2399 Allowance for Credit Losses Concept (Monetary) As Of db:AllowanceForCreditLosses
2400 Fair value Concept (Monetary) As Of db:FairValue
2401 Notional Amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2402 52103 - Disclosure - Off-balance sheet lending commitments and guarantee business, Allowance for Credit Losses (Detail) Network

*

*

 http://www.db.com/role/OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessAllowanceForCreditLosses
2403 Off-balance sheet lending commitments and guarantee business [Table] Table

*

*

 db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessTable
2404 Off-balance sheet lending commitments and guarantee business [Axis] Axis db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessAxis
2405 Off-balance sheet lending commitments and guarantee business [Domain Member] Member db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessDomainMember
2406 Allowance for Credit Losses Member ifrs-full:AllowanceForCreditLossesMember
2407 Stages [Axis] Axis db:StagesAxis
2408 Total Stages [Member] Member db:TotalStagesMember
2409 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
2410 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
2411 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
2412 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
2413 Off-balance sheet lending commitments and guarantee business [Line Items] LineItems db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessLineItems
2414 Balance, beginning of year Concept (Monetary) As Of db:AllowanceForCreditLosses
2415 Movements in financial assets including new business Concept (Monetary) As Of db:MovementsIncludingNewBusiness
2416 Transfers due to changes in creditworthiness Concept (Monetary) For Period Credit db:TransfersDueToChangesInCreditWorthiness
2417 Changes in models Concept (Monetary) For Period Credit db:ChangesInModels
2418 Financial assets that have been derecognized during the period Concept (Monetary) For Period Credit db:FinancialAssetsThatHaveBeenDerecognizedDuringThePeriod
2419 Foreign exchange and other changes Concept (Monetary) For Period Credit db:ForeignExchangeAndOtherChanges
2420 Balance, end of reporting period Concept (Monetary) As Of db:AllowanceForCreditLosses
2421 Provision for Credit Losses excluding country risk Concept (Monetary) For Period Credit db:ProvisionForCreditLossesExcludingCountryRisk
2422 52104 - Disclosure - Allowance for Loans Losses (Detail) Network

*

*

 http://www.db.com/role/AllowanceForLoansLosses
2423 Allowance for Loans Losses [Table] Table

*

*

 db:AllowanceForLoansLossesTable
2424 Allowance for Loans Losses [Axis] Axis db:AllowanceForLoansLossesAxis
2425 Allowance for Loans Losses [Domain Member] Member db:AllowanceForLoansLossesDomainMember
2426 Individually assessed [Member] Member db:IndividuallyAssessedMember
2427 Collectively assessed [Member] Member db:CollectivelyAssessedMember
2428 Total [Member] Member db:TotalMember
2429 Allowance for Loans Losses [Line Items] LineItems db:AllowanceForLoansLossesLineItems
2430 Allowance for loan losses, beginning of year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2431 Provision for loan losses Concept (Monetary) For Period db:ProvisionForLoanLosses
2432 Net charge-offs: Concept (Monetary) For Period Debit db:NetChargeOffs
2433 Charge-offs Concept (Monetary) For Period Debit db:ChargeOffs
2434 Recoveries Concept (Monetary) For Period Credit db:Recoveries
2435 Other changes Concept (Monetary) As Of Credit db:OtherChangesAllowanceForOffBalanceSheetPositions
2436 Allowance for loan losses, end of year Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2437 52105 - Disclosure - Allowance for Off-Balance Sheet Positions (Detail) Network

*

*

 http://www.db.com/role/AllowanceForOffBalanceSheetPositions
2438 Allowance for Off-Balance Sheet Positions [Table] Table

*

*

 db:AllowanceForOffBalanceSheetPositionsTable
2439 Allowance for Off-Balance Sheet Positions [Axis] Axis db:AllowanceForOffBalanceSheetPositionsAxis
2440 Allowance for Off-Balance Sheet Positions [Domain Member] Member db:AllowanceForOffBalanceSheetPositionsDomainMember
2441 Individually assessed [Member] Member db:IndividuallyAssessedMember
2442 Collectively assessed [Member] Member db:CollectivelyAssessedMember
2443 Total [Member] Member db:TotalMember
2444 Allowance for Off-Balance Sheet Positions [Line Items] LineItems db:AllowanceForOffBalanceSheetPositionsLineItems
2445 Allowance off-balance sheet, beginning of year Concept (Monetary) As Of Credit db:AllowanceOffBalanceSheet
2446 Provision for off-balance sheet positions Concept (Monetary) As Of Credit db:ProvisionForOffBalanceSheetPositions
2447 Usage Concept (Monetary) For Period Debit db:Usage
2448 Other changes Concept (Monetary) As Of Credit db:OtherChangesAllowanceForOffBalanceSheetPositions
2449 Allowance off-balance sheet, end of year Concept (Monetary) As Of Credit db:AllowanceOffBalanceSheet
2450 52201 - Disclosure - Information on the Asset Types and the Associated Transactions (Detail) Network

*

*

 http://www.db.com/role/InformationOnTheAssetTypesAndTheAssociatedTransactions
2451 Information on the Asset Types and the Associated Transactions [Table] Table

*

*

 ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionTable
2452 Information on the Asset Types and the Associated Transactions [Axis] Axis ifrs-full:FinancialAssetsWhichDoNotQualifyForDerecognitionAxis
2453 Information on the Asset Types and the Associated Transactions [Member] Member ifrs-full:FinancialAssetsWhichDoNotQualifyForDerecognitionMember
2454 Information on the Asset Types and the Associated Transactions [Line Items] LineItems ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionLineItems
2455 Carrying amount of transferred assets Abstract db:CarryingAmountOfTransferredAssetsAbstract
2456 Trading securities not derecognized due to the following transactions: Abstract db:TradingSecuritiesNotDerecognizedDueToTheFollowingTransactionsAbstract
2457 Repurchase agreements Concept (Monetary) As Of Debit db:TradingSecuritiesNotDerecognizedDueToRepurchaseAgreements
2458 Securities lending agreements Concept (Monetary) As Of Debit db:TradingSecuritiesNotDerecognizedDueToSecuritiesLendingAgreements
2459 Total return swaps Concept (Monetary) As Of Debit db:TradingSecuritiesNotDerecognizedDueToReturnSwaps
2460 Other Concept (Monetary) As Of Debit db:TradingSecuritiesNotDerecognizedDueToOther
2461 Total trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
2462 Other trading assets Concept (Monetary) As Of Debit db:OtherTradingAssetsFinancialAssetsAtFairValue
2463 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
2464 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
2465 Financial assets available for sale Concept (Monetary) As Of Debit db:FinancialAssetsAvailableForSaleComponents
2466 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2467 Loans at amortized cost Concept (Monetary) As Of Debit db:Loans
2468 Total Concept (Monetary) As Of Debit ifrs-full:AssetsThatEntityContinuesToRecognise
2469 Carrying amount of associated liabilities Concept (Monetary) As Of Credit ifrs-full:AssociatedLiabilitiesThatEntityContinuesToRecognise
2470 52201 - Disclosure - Information on the Asset Types and the Associated Transactions (Detail: Text Values) Network

*

*

 http://www.db.com/role/InformationOnTheAssetTypesAndTheAssociatedTransactionsTextValues
2471 Implied Table Table

*

*

 implied:Table
2472 Information on the Asset Types and the Associated Transactions Abstract ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionAbstract
2473 Loans where associated liability is recourse only to transferred assets [Abstract] Abstract db:LoansWhereAssociatedLiabilityIsRecourseOnlyToTransferredAssetsAbstract
2474 Carrying value Concept (Monetary) As Of db:LoansWhereAssociatedLiabilityIsRecourseOnlyToTransferredAssetsCarryingValue
2475 Fair value Concept (Monetary) As Of db:LoansWhereAssociatedLiabilityIsRecourseOnlyToTransferredAssetsFairValue
2476 Net position of associated liabilities Concept (Monetary) As Of db:NetPositionOfAssociatedLiabilities
2477 52202 - Disclosure - Continuing Involvement Accounting (Detail) Network

*

*

 http://www.db.com/role/ContinuingInvolvementAccounting
2478 Continuing Involvement Accounting [Table] Table

*

*

 ifrs-full:DisclosureOfContinuingInvolvementInDerecognisedFinancialAssetsTable
2479 Continuing Involvement Accounting [Axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis
2480 Continuing Involvement Accounting [Domain Member] Member db:ContinuingInvolvementAccountingDomainMember
2481 Continuing Involvement Accounting [Member] Member db:ContinuingInvolvementAccountingMember
2482 Financial Assets transferred Continuing Involvement [Axis] Axis db:FinancialAssetsTransferredContinuingInvolvementAxis
2483 Financial Assets transferred Continuing Involvement [Domain Member] Member db:FinancialAssetsTransferredContinuingInvolvementDomainMember
2484 Financial Assets Transferred Continuing Involvement Original assets [Member] Member db:FinancialAssetsTransferredContinuingInvolvementOriginalAssetsMember
2485 Financial Assets Transferred Continuing Involvement assets still recognised [Member] Member db:FinancialAssetsTransferredContinuingInvolvementAssetsStillRecognisedMember
2486 Continuing Involvement Accounting, Associated Liabilities [Member] Member db:ContinuingInvolvementAccountingAssociatedLiabilitiesMember
2487 Continuing Involvemnt Accounting [Line Items] LineItems ifrs-full:DisclosureOfContinuingInvolvementInDerecognisedFinancialAssetsLineItems
2488 Trading securities, assets Concept (Monetary) As Of Debit db:TradingSecuritiesAssets
2489 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
2490 Non-trading financial assets mandatory at fair value through profit and loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
2491 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2492 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2493 Loans at amortized cost Concept (Monetary) As Of Debit db:Loans
2494 Carrying amount of associated liabilities Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets
2495 52203 - Disclosure - Transferred Assets with on-going Involvement I (Detail) Network

*

*

 http://www.db.com/role/TransferredAssetsWithOnGoingInvolvement
2496 Transferred Assets with on-going Involvement [Table] Table

*

*

 db:TransferredAssetsWithOnGoingInvolvementTable
2497 Transferred Assets with on-going Involvement [Axis] Axis db:TransferredAssetsWithOnGoingInvolvementAxis
2498 Transferred Assets with on-going Involvement [Domain Member] Member db:TransferredAssetsWithOnGoingInvolvementDomainMember
2499 Carrying value [Member] Member ifrs-full:CarryingAmountMember
2500 Fair value [Member] Member ifrs-full:AtFairValueMember
2501 Maximum Exposure to Loss [Member] Member db:MaximumExposureoLossMember
2502 The impact on the Groups Balance Sheet of on-going involvement associated with transferred assets derecognized in full [Axis] Axis db:TheIimpactOnTheGroupsBalanceSheetOfOnGoingInvolvementAssociatedWithTransferredAssetsDerecognizedInFullAxis
2503 The impact on the Groups Balance Sheet of on-going involvement associated with transferred assets derecognized in full [Domain Member] Member db:TheIimpactOnTheGroupsBalanceSheetOfOnGoingInvolvementAssociatedWithTransferredAssetsDerecognizedInFullDomainMember
2504 The impact on the Groups Balance Sheet of on-going involvement associated with transferred assets derecognized in full [Member] Member db:TheIimpactOnTheGroupsBalanceSheetOfOnGoingInvolvementAssociatedWithTransferredAssetsDerecognizedInFullMember
2505 Transferred Assets with on-going Involvement [line items] LineItems db:TransferredAssetsWithOnGoingInvolvementLineItems
2506 Loans Abstract db:LoansTransferredAssetsWithOn-GoingInvolvementAbstract
2507 Securitization notes Concept (Monetary) As Of Debit db:SecuritizationNotesLoans
2508 Other Concept (Monetary) As Of Debit db:OtherTransferredAssetsWithOn-GoingInvolvement
2509 Total loans Concept (Monetary) As Of Debit db:Loans
2510 Financial assets held at Fair Value through the P&L: Abstract db:FinancialAssetsHeldAtFairValueThroughThePAndLAbstract
2511 Securitization notes Concept (Monetary) As Of Debit db:SecuritizationNotesFinancialAssetsHeldAtFairValueThroughThePAndL
2512 Non-standard Interest Rate, cross-currency or inflation-linked swap Concept (Monetary) As Of Debit db:NonStandardInterestRateCross-CurrencyOrInflationLinkedSwapFinancialAssetsHeldAtFairValueThroughThePAndL
2513 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2514 Financial assets at fair value through other comprehensive income [Abstract] Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
2515 Securitization notes Concept (Monetary) As Of db:SecuritizationNotesAtFairValueThroughOtherComprehensiveIncome
2516 Other Concept (Monetary) As Of db:OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2517 Total financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2518 Total financial assets representing on-going involvement Concept (Monetary) As Of Debit db:lFinancialAssetsRepresentingOnGoingInvolvement
2519 Financial liabilities held at Fair Value through the P&L: Abstract db:FinancialLiabilitiesHeldAtFairValueThroughThePandLAbstract
2520 Non-standard Interest Rate, cross-currency or inflation-linked swap Concept (Monetary) As Of Credit db:NonStandardInterestRateCrossCurrencyOrInflationLinkedSwapFinancialLiabilities
2521 Total financial liabilities representing on-going involvement Concept (Monetary) As Of Credit db:FinancialLiabilitiesRepresentingOnGoingInvolvement
2522 52204 - Disclosure - Transfers of Financial Assets - Transferred Assets with on-going Involvement II (Detail) Network

*

*

 http://www.db.com/role/TransferredAssetsWithOn-GoingInvolvementII
2523 Transferred Assets with on-going Involvement II [Table] Table

*

*

 db:TransferredAssetsWithOnGoingInvolvementIITable
2524 Transferred Assets with on-going Involvement II [Axis] Axis db:TransferredAssetsWithOnGoingInvolvementIIAxis
2525 Transferred Assets with on-going Involvement II [Domain Member] Member db:TransferredAssetsWithOnGoingInvolvementIIDomainMember
2526 Year-to- date P&L [Member] Member db:YearToDatePAndLMember
2527 Cumulative P&L [Member] Member db:CumulativePAndLMember
2528 Gain/(loss) on disposal [Member] Member db:GainLossOnDisposalMember
2529 Transferred Assets with on-going Involvement II [line items] LineItems db:TransferredAssetsWithOnGoingInvolvementIILineItems
2530 Securitization notes Concept (Monetary) For Period Credit db:IncomeSecuritizationNotesTransferredAssets
2531 Non-standard Interest Rate, cross-currency or inflation-linked swap Concept (Monetary) For Period Credit db:IncomeNonStandardInterestRateCross-CurrencyOrInflationLinkedSwapTransferredAssets
2532 Net gains/(losses) recognized from on-going involvement in derecognized assets Concept (Monetary) For Period Credit db:NetGainsLossesRecognizedFromOnGoingInvolvementInDerecognizedAssets
2533 52205 - Disclosure - Carrying value of the Groups assets pledged as collateral for liabilities or contingent liabilities (Detail) Network

*

*

 http://www.db.com/role/CarryingValueOfTheAssetsPledgedAsCollateral
2534 Carrying Value of the Assets Pledged as Collateral [Table] Table

*

*

 db:CarryingValueOfTheAssetsPledgedAsCollateralTable
2535 Carrying Value of the Assets Pledged as Collateral [Axis] Axis db:CarryingValueOfTheAssetsPledgedAsCollateralAxis
2536 Carrying Value of the Assets Pledged as Collateral [Domain Member] Member db:CarryingValueOfTheAssetsPledgedAsCollateralDomainMember
2537 Carrying Value of the Assets Pledged as Collateral [Member] Member db:CarryingValueOfTheAssetsPledgedAsCollateralMember
2538 Carrying Value of the Assets Pledged as Collateral [Line Items] LineItems db:CarryingValueOfTheAssetsPledgedAsCollateralLineItems
2539 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2540 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2541 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2542 Loans Concept (Monetary) As Of Debit db:Loans
2543 Other Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2544 Total Concept (Monetary) As Of Debit ifrs-full:Assets
2545 52206 - Disclosure - Total assets pledged to creditors available for sale or repledge (Detail) Network

*

*

 http://www.db.com/role/TotalAssetsPledgedToCreditors
2546 Total assets pledged to creditors [Table] Table

*

*

 db:TotalAssetsPledgedToCreditorsTable
2547 Total assets pledged to creditors [Axis] Axis db:TotalAssetsPledgedToCreditorsAxis
2548 Total assets pledged to creditors [Domain Member] Member db:TotalAssetsPledgedToCreditorsDomainMember
2549 Total assets pledged to creditors [Member] Member db:TotalAssetsPledgedToCreditorsMember
2550 Total assets pledged to creditors [Line Items] LineItems db:TotalAssetsPledgedToCreditorsLineItems
2551 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2552 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2553 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2554 Loans Concept (Monetary) As Of Debit db:Loans
2555 Total Concept (Monetary) As Of Debit ifrs-full:Assets
2556 52207 - Disclosure - Fair Value of collateral received (Detail) Network

*

*

 http://www.db.com/role/CollateralReceived
2557 Implied Table Table

*

*

 implied:Table
2558 Collateral Received Abstract db:CollateralReceivedAbstract
2559 Securities and other financial assets accepted as collateral Concept (Monetary) As Of Debit db:SecuritiesAndOtherFinancialAssetsAcceptedAsCollateral
2560 thereof [Abstract] Abstract db:ThereofAbstract
2561 collateral sold or repledged Concept (Monetary) As Of Debit db:CollateralSoldOrRepledged
2562 52301 - Disclosure - Property and Equipment (Detail) Network

*

*

 http://www.db.com/role/PropertyAndEquipment
2563 Property and Equipment [Table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
2564 Property and Equipment [Axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
2565 Property and Equipment [Domain Member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
2566 Owner occupied properties [Member] Member ifrs-full:LandAndBuildingsMember
2567 Furniture and equipment [Member] Member db:FurnitureAndEquipmentMember
2568 Leasehold improvements [Member] Member ifrs-full:LeaseholdImprovementsMember
2569 Construction-in-progress [Member] Member ifrs-full:ConstructionInProgressMember
2570 Property and Equipment Reconciliation [Axis] Axis db:PropertyAndEqupmentReconciliationAxis
2571 Property and Equipment Reconciliation [Domain Member] Member db:PropertyAndEqupmentReconciliationDomainMember
2572 Carrying value [Member] Member ifrs-full:CarryingAmountMember
2573 Cost of acquisition [Member] Member db:CostOfAcquisitionMember
2574 Accumulated depreciation and impairment [Member] Member db:AccumulatedDepreciationAndImpairmentMember
2575 Property and Equipment [Line Items] LineItems ifrs-full:ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
2576 Property and equipment, beginning of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2577 Accumulated depreciation and impairment, beginning of period Concept (Monetary) As Of db:AccumulatedDepreciationAndImpairmentBalance
2578 Changes in the group of consolidated companies Concept (Monetary) As Of Debit db:ChangesInTheGroupOfConsolidatedCompanies
2579 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
2580 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment
2581 Reclassifications (to)/from "held for sale" Concept (Monetary) As Of db:ReclassificationsToFromHeldForSale
2582 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
2583 Exchange rate changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
2584 Property and equipment, end of period Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2585 Depreciation Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
2586 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2587 Reversals of impairment losses Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2588 Accumulated depreciation and impairment, end of period Concept (Monetary) As Of db:AccumulatedDepreciationAndImpairmentBalance
2589 52301 - Disclosure - Property and Equipment (Detail: Text Values) Network

*

*

 http://www.db.com/role/PropertyAndEquipmentParenthetical
2590 Implied Table Table

*

*

 implied:Table
2591 Property and Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
2592 Impairment of a single property as a result of impairment testing under IAS 36.102 included in "Impairment losses" Concept (Monetary) For Period db:ImpairmentOfASinglePropertyAsAResultOfImpairmentTestingUnderIAS36102IncludedInImpairmentLosses
2593 Carrying value of items of property and equipment on which there is a restriction on sale Concept (Monetary) As Of db:CarryingValueOfItemsOfPropertyAndEquipmentOnWhichThereIsARestrictionOnSale
2594 Commitments for the acquisition of property and equipment Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
2595 52401 - Disclosure - Net Carrying Value for each Class of Leasing Assets (Detail) Network

*

*

 http://www.db.com/role/NetCarryingValueForEachClassOfLeasingAssets
2596 Net Carrying Value for each Class of Leasing Assets [Table] Table

*

*

 db:NetCarryingValueForEachClassOfLeasingAssetsTable
2597 Net Carrying Value for each Class of Leasing Assets [Axis] Axis db:NetCarryingValueForEachClassOfLeasingAssetsAxis
2598 Net Carrying Value for each Class of Leasing Assets [Domain Member] Member db:NetCarryingValueForEachClassOfLeasingAssetsDomainMember
2599 Net Carrying Value for each Class of Leasing Assets [Member] Member db:NetCarryingValueForEachClassOfLeasingAssetsMember
2600 Net Carrying Value for each Class of Leasing Assets [Line Items] LineItems db:NetCarryingValueForEachClassOfLeasingAssetsLineItems
2601 Land and buildings Concept (Monetary) As Of Debit ifrs-full:LandAndBuildings
2602 Furniture and equipment Concept (Monetary) As Of Debit db:FurnitureAndEquipment
2603 Net Carrying Value for each Class of Leasing Assets, Other Concept (Monetary) As Of Debit db:OtherNetCarryingValueForEachClassOfLeasingAssets
2604 Net carrying value Concept (Monetary) As Of Debit ifrs-full:RecognisedFinanceLeaseAsAssets
2605 52401 - Disclosure - Net Carrying Value for each Class of Leasing Assets (Detail: Text Values) Network

*

*

 http://www.db.com/role/NetCarryingValueForEachClassOfLeasingAssetsParenthetical
2606 Implied Table Table

*

*

 implied:Table
2607 Net Carrying Value for each Class of Leasing Assets [Abstract] Abstract db:NetCarryingValueForEachClassOfLeasingAssetsAbstract
2608 Total future minimum rental payments for the Group headquarters in Frankfurt am Main that was sold and leased back on December 1, 2011 Concept (Monetary) As Of Debit db:TotalFutureMinimumRentalPaymentsForTheGroupHeadquartersInFrankfurtAmMainThatWasSoldAndLeasedBackOnDecember12011
2609 Leaseback arrangement for the entire headquarter in month Concept (Monetary) As Of Debit db:LeasebackArrangementForTheEntireHeadquarterInMonth
2610 Rental payments for lease and sublease agreements Concept (Monetary) For Period Debit ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense
2611 thereof [Abstract] Abstract db:ThereofAbstract
2612 Charges for minimum lease payments Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
2613 Charges for contingent rents Concept (Monetary) For Period Debit ifrs-full:ContingentRentsRecognisedAsExpenseClassifiedAsOperatingLease
2614 Sublease rentals received Concept (Monetary) For Period Debit ifrs-full:SubleasePaymentsRecognisedAsExpense
2615 52402 - Disclosure - Future Minimum Lease Payments (Finance Leases) (Detail) Network

*

*

 http://www.db.com/role/FutureMinimumLeasePaymentsFinanceLeases
2616 Implied Table Table

*

*

 implied:Table
2617 Future Minimum Lease Payments (Finance Leases) Abstract db:FutureMinimumLeasePaymentsFinanceLeasesAbstract
2618 Future minimum lease payments: Abstract db:FutureMinimumLeasePaymentsAbstract
2619 Not later than one year Concept (Monetary) As Of Credit db:NotLaterThanOneYear
2620 Later than one year and not later than five years Concept (Monetary) As Of Credit db:LaterThanOneYearAndNotLaterThanFiveYears
2621 Later than five years Concept (Monetary) As Of Credit db:LaterThanFiveYears
2622 Total future minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayable
2623 Less: Future interest charges Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
2624 Present value of finance lease commitments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
2625 Future minimum lease payments to be received Concept (Monetary) As Of Debit ifrs-full:ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedFinanceLease
2626 Contingent rent recognized in the income statement Concept (Monetary) For Period Debit ifrs-full:ContingentRentsRecognisedAsExpenseClassifiedAsFinanceLease
2627 52403 - Disclosure - Future Minimum Lease Payments (Operating Leases) (Detail) Network

*

*

 http://www.db.com/role/FutureMinimumLeasePaymentsOperatingLeases
2628 Implied Table Table

*

*

 implied:Table
2629 Future Minimum Lease Payments (Operating Leases) Abstract db:FutureMinumumLeasePaymentsOperatingLeasesAbstract
2630 Future minimum rental payments: Abstract db:FutureMinimumRentalPaymentsAbstract
2631 Not later than one year Concept (Monetary) As Of Credit db:NotLaterThanOneYearOperatingLeases
2632 Later than one year and not later than five years Concept (Monetary) As Of Credit db:LaterThanOneYearAndNotLaterThanFiveYearsOperatingLeases
2633 Later than five years Concept (Monetary) As Of Credit db:LaterThanFiveYearsOperatingLeases
2634 Total future minimum rental payments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
2635 Less: Future minimum rentals to be received Concept (Monetary) As Of Debit ifrs-full:ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease
2636 Net future minimum rental payments Concept (Monetary) As Of Credit db:NetFutureMinimumRentalPayments
2637 52501 - Disclosure - Changes in Goodwill (Detail) Network

*

*

 http://www.db.com/role/ChangesInGoodwill
2638 Changes in Goodwill [Table] Table

*

*

 db:ChangesInGoodwillTable
2639 Segments [Axis] Axis ifrs-full:SegmentsAxis
2640 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2641 Sales & Trading [Member] Member db:SalesAndTradingMember
2642 Global Transaction Banking Global Capital Markets Corporate Finance [Member] Member db:GlobalTransactionBankingGlobalCapitalMarketsCorporateFinanceMember
2643 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
2644 Wealth Management [Member] Member db:WealthManagementMember
2645 Postbank [Member] Member db:PostbankMember
2646 Asset Management [Member] Member db:AssetManagementMember
2647 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
2648 Others [Member] Member ifrs-full:AllOtherSegmentsMember
2649 Changes in Goodwill [Line Items] LineItems db:ChangesInGoodwillLineItems
2650 Goodwill, balance, period start Concept (Monetary) As Of Debit ifrs-full:Goodwill
2651 Goodwill acquired during the year Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
2652 Purchase accounting adjustments Concept (Monetary) For Period db:PurchaseAccountingAdjustments
2653 Transfers Concept (Monetary) For Period Debit db:Transfers
2654 Reclassification from (to) held for sale Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleGoodwill
2655 Goodwill related to dispositions without being classified as held for sale Concept (Monetary) For Period Credit ifrs-full:GoodwillDerecognisedWithoutHavingPreviouslyBeenIncludedInDisposalGroupClassifiedAsHeldForSale
2656 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
2657 Exchange rate changes/other Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
2658 Goodwill, balance, period end Concept (Monetary) As Of Debit ifrs-full:Goodwill
2659 Gross amount of goodwill Concept (Monetary) As Of Debit db:GrossAmountOfGoodwill
2660 Accumulated impairment losses Concept (Monetary) As Of Credit db:AccumulatedImpairmentLosses
2661 52501 - Disclosure - Changes in Goodwill (Detail: Text Values) Network

*

*

 http://www.db.com/role/ChangesInGoodwillTextValues
2662 Changes in Goodwill [Table] Table

*

*

 db:ChangesInGoodwillTable
2663 Segments [Axis] Axis ifrs-full:SegmentsAxis
2664 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2665 Asset Management [Member] Member db:AssetManagementMember
2666 GM [Member] Member db:GMMember
2667 CIB [Member] Member db:CorporateAndInvestmentBankMember
2668 PCC [Member] Member db:PrivateAndCommercialClientsMember
2669 PCB [Member] Member db:PrivateAndCommercialBankMember
2670 S&T [Member] Member db:SalesAndTradingMember
2671 Postbank [Member] Member db:PostbankMember
2672 CB&S [Member] Member db:CorporateBankingAndSecuritiesMember
2673 PBC [Member] Member db:PBCMember
2674 Others [Member] Member ifrs-full:AllOtherSegmentsMember
2675 Goodwill Parenthetical [Axis] Axis db:GoodwillParentheticalAxis
2676 Goodwill Parenthetical [Domain Member] Member db:GoodwillParentheticalDomainMember
2677 Goodwill Parenthetical [Member] Member db:GoodwillParentheticalMember
2678 Changes in Goodwill [Line Items] LineItems db:ChangesInGoodwillLineItems
2679 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
2680 Transfers Concept (Monetary) For Period Debit db:Transfers
2681 Sale of Abbey Life [Abstract] Abstract db:SaleOfAbbeyLifeAbstract
2682 Impairment of goodwill Concept (Monetary) For Period Debit db:AbbeyLifeSaleImpairmentGoowill
2683 Impairment of value of business acquired (VOBA) Concept (Monetary) For Period Debit db:AbbeyLifeSaleImpairmentBusinessAquired
2684 Impairments recorded in third quarter Concept (Monetary) For Period Debit db:GoodwillImpairedQ3
2685 Restatement of impairments recorded in third quarter Concept (Monetary) For Period Debit db:GoodwillImpairedRestatedQ3
2686 Reclassification from (to) held for sale in connection with the sale of the Canadian port operations of Maher Terminals Concept (Monetary) For Period Debit db:MaherSaleReclassifiedHeldForSale
2687 52502 - Disclosure - Primary Cash-Generating Units (Detail) Network

*

*

 http://www.db.com/role/PrimaryCashGeneratingUnits
2688 Primary Cash-Generating Units [Table] Table

*

*

 db:PrimaryCashGeneratingUnitsTable
2689 Segments [Axis] Axis ifrs-full:SegmentsAxis
2690 Segments [Domain Member] Member ifrs-full:SegmentsMember
2691 Global Transaction Banking & Corporate Finance [Member] Member db:GlobalTransactionBankingAndCorporateFinanceMember
2692 Wealth Management [Member] Member db:WealthManagementMember
2693 Asset Management [Member] Member db:AssetManagementMember
2694 Primary Cash-Generating Units [Line Items] LineItems db:PrimaryCashGeneratingUnitsLineItems
2695 Discount rate (post-tax) Concept (Percent) As Of db:DiscountRatePostTax
2696 52502 - Disclosure - Primary Cash-Generating Units (Detail: Text Values) Network

*

*

 http://www.db.com/role/PrimaryCashGeneratingUnitsTextValues
2697 Implied Table Table

*

*

 implied:Table
2698 Primary Cash-Generating Units Abstract db:PrimaryCashGeneratingUnitsAbstract
2699 Constant long-term growth rate of up to Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
2700 52503 - Disclosure - Changes of Other Intangible Assets by Asset Class (Detail) Network

*

*

 http://www.db.com/role/ChangesOfOtherIntangibleAssetsByAssetClass
2701 Changes of Other Intangible Assets by Asset Class [Table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
2702 Changes of Other Intangible Assets by Asset Class [Axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
2703 Total other intangible assets [Member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
2704 Purchased intangible assets [Member] Member ifrs-full:NotInternallyGeneratedMember
2705 Total unamortized purchased intangible assets [Member] Member db:UnamortizedPurchasedIntangibleAssetsMember
2706 Purchased unamortized retail investment management agreements [Member] Member db:PurchasedUnamortizedRetailInvestmentManagementAgreementsMember
2707 Purchased unamortized other intangible assets [Member] Member db:PurchasedUnamortizedOtherIntangibleAssetsMember
2708 Total amortized purchased intangible assets [Member] Member db:AmortizedPurchasedIntangibleAssetsMember
2709 Purchased amortized customer-related intangible assets [Member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
2710 Purchased amortized value of business acquired [Member] Member ifrs-full:ValueOfBusinessAcquiredMember
2711 Purchased amortized contract-based intangible assets [Member] Member db:PurchasedAmortizedContractBasedIntangibleAssetsMember
2712 Purchased amortized software and other [Member] Member db:PurchasedAmortizedSoftwareAndOtherMember
2713 Internally generated intangible assets [Member] Member ifrs-full:InternallyGeneratedMember
2714 Internally generated amortized software [Member] Member db:InternallyGeneratedAmortizedSoftwareMember
2715 Changes of Other Intangible Assets Carrying Amounts [Axis] Axis db:ChangesOfOtherIntangibleAssetsByAssetClassTypeOfValueAxis
2716 Changes of Other Intangible Assets by Asset Class Additional [Domain Member] Member db:ChangesOfOtherIntangibleAssetsByAssetClassTypeOfValueDomainMember
2717 Carrying value [Member] Member ifrs-full:CarryingAmountMember
2718 Cost of acquisition/manufacture [Member] Member db:CostOfAcquisitionManufactureMember
2719 Accumulated amortization and impairment [Member] Member db:AccumulatedAmortizationAndImpairmentMember
2720 Changes of Other Intangible Assets by Asset Class [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
2721 Cost of acquisition/manufacture, Balance as of Concept (Monetary) As Of Debit db:IntangibleAssetsCostOfAcquisitionManufactureBalance
2722 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
2723 Amortization for the year Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
2724 Changes in the group of consolidated companies Concept (Monetary) As Of Debit db:ChangesInTheGroupOfConsolidatedCompanies
2725 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
2726 Reclassifications from (to) held for sale Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleIntangibleAssetsOtherThanGoodwill
2727 Impairment losses Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
2728 Reversals of impairment losses Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
2729 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill
2730 Exchange rate changes Concept (Monetary) For Period Debit db:ExchangeRateChanges
2731 Cost of acquisition/manufacture, Balance as of Concept (Monetary) As Of Debit db:IntangibleAssetsCostOfAcquisitionManufactureBalance
2732 Accumulated amortization and impairment, Balance as of Concept (Monetary) As Of Debit db:IntangibleAssetsAccumulatedAmortizationAndImpairmentBalance
2733 Accumulated amortization and impairment, Balance as of Concept (Monetary) As Of Debit db:IntangibleAssetsAccumulatedAmortizationAndImpairmentBalance
2734 Carrying amount, As of Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
2735 52504 - Disclosure - Useful Lives of Other Amortized Intangible Assets by Asset Class (Detail) Network

*

*

 http://www.db.com/role/UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClass
2736 Useful Lives of Other Amortized Intangible Assets by Asset Class [Table] Table

*

*

 db:UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClassTable
2737 Useful Lives of Other Amortized Intangible Assets by Asset Class [Axis] Axis db:UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClassAxis
2738 Useful Lives of Other Amortized Intangible Assets by Asset Class [Domain Member] Member db:UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClassDomainMember
2739 Useful lives in years up to [Member] Member db:UsefulLivesInYearsUpToMember
2740 Useful Lives of Other Amortized Intangible Assets by Asset Class [Line Items] LineItems db:UsefulLivesOfOtherAmortizedIntangibleAssetsByAssetClassLineItems
2741 Internally generated intangible assets: Abstract db:InternallyGeneratedIntangibleAssets
2742 Software Concept (Pure) As Of db:Software
2743 Purchased intangible assets: Abstract db:PurchasedIntangibleAssets
2744 Customer-related intangible assets Concept (Pure) As Of db:CustomerRelatedIntangibleAssets
2745 Contract-based intangible assets Concept (Pure) As Of db:ContractBasedIntangibleAssets
2746 Other Concept (Pure) As Of db:OtherPurchasedIntangibleAssets
2747 52505 - Disclosure - Parenthetical Information Note 25 Other Amortizing Intangible Assets (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote25OtherAmortizingIntangibleAssetsTextValues
2748 Parenthetical Information Note 25 Other Amortizing Intangible Assets [Table] Table

*

*

 db:ParentheticalInformationNote25OtherAmortizingIntangibleAssetsTable
2749 Segments [Axis] Axis ifrs-full:SegmentsAxis
2750 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2751 Postbank [Member] Member db:PostbankMember
2752 Parenthetical Information Note 25 Other Amortizing Intangible Assets [Line Items] LineItems db:ParentheticalInformationNote25OtherAmortizingIntangibleAssetsLineItems
2753 Impairment losses Concept (Monetary) For Period Debit db:ImpairmentOtherAmortizingIntangibleAssets
2754 Thereof: impairments related to self-developed software Concept (Monetary) For Period Debit db:ImpairmentOtherAmortizingIntangibleAssetsSelfDevelopedSoftware
2755 Thereof: impairments of an unamortized trademark Concept (Monetary) For Period Debit db:ImpairmentOtherAmortizingIntangibleAssetsUnamortizedTrademark
2756 Thereof: included in impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOtherAmortizingIntangibleAssetsIncludedInGoodwillOtherIntangibleAssets
2757 Thereof: write-off of the Value of business acquired (VOBA) Concept (Monetary) For Period Debit db:ImpairmentOtherAmortizingIntangibleAssetsIncludedInGoodwillOtherIntangibleAssetsBusinessAcquired
2758 Decrease of amortizing other intangible assets, net Concept (Monetary) For Period Debit db:DecreaseOtherAmortizingIntangibleAssetsNet
2759 Increase of amortizing other intangible assets, net Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssets
2760 Mainly driven by [Abstract] Abstract db:IncreaseOtherAmortizingIntangibleAssetsMainlyDrivenByAbsract
2761 Positive exchange rate changes Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssetsExchangeRates
2762 Additions to internally generated intangible assets Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssetsInternallyGenerated
2763 Offsetting amortization expenses Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssetsOffsetting
2764 Thereof: scheduled consumption of capitalized software Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssetsOffsettingScheduledConsumption
2765 Reclassification from (to) held for sale in advance of the sale of the investment in Maher Terminals Port Elizabeth Concept (Monetary) For Period Credit db:IncreaseOtherAmortizingIntangibleAssetsMaherSaleReclassifiedHeldForSale
2766 Fully write-off goodwill Concept (Monetary) For Period Credit db:ImpairmentGoodwillPostbank
2767 Thereof: impairment related to amortizing intangible assets Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbankAmortizingIntangibleAssets
2768 Thereof: comprising write-offs of customer-related intangible assets Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbankAmortizingIntangibleAssetsCustomerrelated
2769 Thereof: BHW trademark intangibles Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbankAmortizingIntangibleAssetsBHWTrademark
2770 Thereof: contract-based intangible assets Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbankAmortizingIntangibleAssetsContractBase
2771 Thereof: write-off the unamortizing Postbank trademark Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbankUnamortizedTrademark
2772 Thereof: impairment loss related to other intangible assets Concept (Monetary) For Period Credit db:ImpairmentOtherAmortizingIntangibleAssetsPostbank
2773 52506 - Disclosure - Parenthetical Information Note 25 Other Unamortizing Intangible Assets (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote25OtherUnamortizingIntangibleAssetsTextValues
2774 Parenthetical Information Note 25 Other Unamortizing Intangible Assets [Table] Table

*

*

 db:ParentheticalInformationNote25OtherUnamortizingIntangibleAssetsTable
2775 Segments [Axis] Axis ifrs-full:SegmentsAxis
2776 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
2777 Asset Management [Member] Member db:AssetManagementMember
2778 WM [Member] Member db:WMMember
2779 Postbank [Member] Member db:PostbankMember
2780 Parenthetical Information Note 25 Other Unamortizing Intangible Assets [Line Items] LineItems db:ParentheticalInformationNote25OtherUnamortizingIntangibleAssetsLineItems
2781 Retail investment management agreements [Abstract] Abstract db:RetaiIinvestmentManagementAgreementsAbstract
2782 Assets, related to the Groups U.S. retail mutual fund business, aquired in 2002, calculated at fair value less costs of disposal Concept (Monetary) As Of Debit db:UnamortizingIntangibleAssetsRetailInvestmentManagementUSMutualFundsAssets
2783 Discount rates (cost of equity) applied in the calculation in 2017 Concept (Percent) As Of db:UnamortizingIntangibleAssetsRetailInvestmentManagementDiscountRatePreviousYear
2784 Discount rates (cost of equity) applied in the calculation in 2018 Concept (Percent) As Of db:UnamortizingIntangibleAssetsRetailInvestmentManagementDiscountRateCurrentYear
2785 Terminal value growth rate applied for 2017 is up to Concept (Percent) As Of db:TerminalValueGrowthRateAppliedForPreviousYearIsUpTo
2786 Terminal value growth rate applied for 2018 is up to Concept (Percent) As Of db:TerminalValueGrowthRateAppliedForCurrentYearIsUpTo
2787 Trademarks [Abstract] Abstract db:TrademarksAbstract
2788 Postbank trademark, acquired in 2010 Concept (Monetary) As Of Debit db:UnamortizingIntangibleAssetsTrademarksPostbankAcquired2010
2789 Postbank trademark, after finalizing the purchase price allocation in 2011 Concept (Monetary) As Of Debit db:UnamortizingIntangibleAssetsTrademarksPostbankFinalized2011
2790 Postbank trademark, write-off in third quarter 2015 Concept (Monetary) For Period Debit db:UnamortizingIntangibleAssetsTrademarksPostbankWriteoff3Q2015
2791 Sal. Oppenheim trademark, acquired in 2010 Concept (Monetary) As Of Debit db:UnamortizingIntangibleAssetsTrademarksSalOpAcquired2010
2792 Sal. Oppenheim trademark, write-down in fourth quarter 2015 Concept (Monetary) For Period Debit db:UnamortizingIntangibleAssetsTrademarksSalOpWritedown4Q2015
2793 Sal. Oppenheim trademark, write-down in fourth quarter 2016 Concept (Monetary) For Period Debit db:UnamortizingIntangibleAssetsTrademarksSalOpWritedown4Q2016
2794 Sal. Oppenheim trademark, write-off in fourth quarter 2017 Concept (Monetary) For Period Debit db:UnamortizingIntangibleAssetsTrademarksSalOpWriteoff4Q2017
2795 52601 - Disclosure - Parenthetical Information Note 26 (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote26TextValues
2796 Parenthetical Information Note 26 [Table] Table

*

*

 db:ParentheticalInformationNote26Table
2797 Segments [Axis] Axis ifrs-full:SegmentsAxis
2798 Segments [Domain Member] Member ifrs-full:SegmentsMember
2799 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
2800 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
2801 Asset Management [Member] Member db:AssetManagementMember
2802 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
2803 Parenthetical Information Note 26 [Line Items] LineItems db:ParentheticalInformationNote26LineItems
2804 Disposals [Abstract] Abstract db:DisposalsAbstract
2805 Disposal of fund administration and custody business of Sal. Oppenheim Luxembourg Abstract db:DisposalOfFundAdministrationAndCustodyBusinessOfSalOppenheimLuxembourg
2806 Impairment before disposal Concept (Monetary) As Of db:ImpairmentBeforeDisposal
2807 Disposal of ale of Argentine subsidiary Deutsche Bank S.A. to Banco Comafi S.A. [Abstract] Abstract db:SaleOfArgentineSubsidiaryDeutscheBankSAToBancoComafiSAAbstract
2808 Overall pre-tax loss Concept (Monetary) As Of db:OverallPreTaxLoss
2809 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Abstract] Abstract ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract
2810 Reclassification of fund administration and custody business of Sal. Oppenheim Luxembourg [Abstract] Abstract db:ReclassificationOfFundAdministrationAndCustodyBusinessOfSalOppenheimLuxembourgAbstract
2811 Impairment due to classification as a disposal group held for sale Concept (Monetary) As Of db:ImpairmentDueToClassificationAsADisposalGroupHeldForSale
2812 Disposal of Abbey Life business [Abstract] Abstract db:DisposalOfAbbeyLifeBusinessAbstract
2813 Contained intangible assets Concept (Monetary) As Of db:DisposalOfAbbeyLifeBusinessContainedIntangibleAssets
2814 thereof: Goodwill Concept (Monetary) As Of db:DisposalOfAbbeyLifeBusinessContainedIntangibleAssetsThereofGoodwill
2815 thereof: VOBA (value of business acquired) Concept (Monetary) As Of db:DisposalOfAbbeyLifeBusinessContainedIntangibleAssetsThereofVobaValueOfBusinessAcquired
2816 Cumulative losses from the termination of the cash flow hedge program Concept (Monetary) As Of db:CumulativeLossesFromTheTerminationOfTheCashFlowHedgeProgram
2817 Other income items as a result of the sale Concept (Monetary) As Of db:OtherIncomeItemsAsAResultOfTheSale
2818 Disposal of entire 19.99 percent stake in Hua Xia Bank Company Limited Abstract db:DisposalOfEntirePercentStakeInHuaXiaBankCompanyLimitedHuaXiaAbstract
2819 Revaluation of the held for sale investment until its disposal Concept (Monetary) As Of db:RevaluationOfTheHeldForSaleInvestmentUntilItsDisposal
2820 Carrying value of the noncurrent asset after revaluation (write off) Concept (Monetary) As Of db:CarryingValueOfTheNonCurrentAssetAfterRevaluationWriteOff
2821 Accumulated other comprehensive income, reclassified to the income statement Concept (Monetary) As Of db:AccumulatedOtherComprehensiveIncomeReclassifiedToTheIncomeStatement
2822 Overall transaction related net gain Concept (Monetary) As Of db:OverallTransactionRelatedNetGain
2823 52602 - Disclosure - Components of Other Non-Current Assets and Disposal Groups Held for Sale (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfOtherNonCurrentAssetsAndDisposalGroupsHeldForSale
2824 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Table] Table

*

*

 db:ComponentsOfOtherNonCurrentAssetsAndDisposalGroupsHeldForSaleTable
2825 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
2826 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
2827 Assets and Liabilities [Axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
2828 Assets and liabilities [Domain Member] Member ifrs-full:AssetsAndLiabilitiesMember
2829 Other assets [Member] Member ifrs-full:OtherAssetsMember
2830 Other liabilities [Member] Member db:OtherLiabilitiesMember
2831 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Line Items] LineItems db:ComponentsOfOtherNonCurrentAssetsAndDisposalGroupsHeldForSaleLineItems
2832 Cash, due and deposits with banks, Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CashDueAndDepositsWithBanksCentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
2833 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2834 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
2835 Loans Concept (Monetary) As Of Debit db:Loans
2836 Property and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2837 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2838 Assets classified as held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
2839 Deposits, Central bank funds purchased and securities sold under resale agreements Concept (Monetary) As Of Credit db:DepositsCentralBankFundsPurchasedAndSecuritiesSoldUnderResaleAgreements
2840 Financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
2841 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
2842 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2843 Total liabilities classified as held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
2844 52602 - Disclosure - Components of Other Non-Current Assets and Disposal Groups Held for Sale (Detail: Text Values) Network

*

*

 http://www.db.com/role/ComponentsOfOtherNonCurrentAssetsAndDisposalGroupsHeldForSaleTextValues
2845 Implied Table Table

*

*

 implied:Table
2846 Components of Other Non-Current Assets and Disposal Groups Held for Sale [Abstract] Abstract ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract
2847 Total assets held for sale Concept (Monetary) As Of db:AssetsHeldForsaleNonCurrentAssetsAndDisposalGroupsHeldForSale
2848 Liabilities included in disposal groups Concept (Monetary) As Of db:LiabilitiesIncludedInDisposalGroups
2849 Unrealized net gains or losses relating to non-current assets and disposal groups classified as held for sale recognized directly in accumulated other comprehensive income (loss) (net of tax) Concept (Monetary) As Of db:UnrealizedNetGainsOrLossesRelatingToNonCurrentAssetsClassifiedAsHeldForSaleRecognizedDirectlyInAccumulatedOtherComprehensiveIncomeLoss
2850 Designated sale of Portuguese Private and Commercial Clients business [Abstract] Abstract db:DesignatedSaleOfPortuguesePrivateCommercialClientsBusinessAbstract
2851 Valuation resulted in the recognition of a pre-tax loss Concept (Monetary) As Of db:ValuationResultedInTheRecognitionofAPreTaxLoss
2852 Thereof recorded in other income Concept (Monetary) As Of db:ThereofRecordedInOtherIncome
2853 Thereof recorded in general and administrative expense Concept (Monetary) As Of db:ThereofRecordedInGeneralAndAdministrativeExpense
2854 Pre-tax loss on sale of Argentine subsidiary Deutsche Bank S.A. to Banco Comafi S.A. Concept (Monetary) As Of db:PreTaxLossOnSaleOfArgentineSubsidiaryDeutscheBankSAToBancoComafiSA
2855 Disposal of Polish Private & Commercial Bank business [Abstract] Abstract db:DisposalOfPolishPrivateAndCommercialBankBusinessAbstract
2856 pre-tax loss Concept (Monetary) As Of db:DisposalOfPolishPrivateAndCommercialBankBusinessPreTaxLoss
2857 Additional net year-to-date pretax charges Concept (Monetary) As Of db:DisposalOfPolishPrivateAndCommercialBankBusinessAdditionalNetYearToDatePretaxCharges
2858 52701 - Disclosure - Components of Other Assets (Detail) Network

*

*

 http://www.db.com/role/OtherAssets
2859 Implied Table Table

*

*

 implied:Table
2860 Other assets [Abstract] Abstract db:ComponentsOfOtherAssetsAbstract
2861 Brokerage and securities related receivables [Abstracts] Abstract db:BrokerageAndSecuritiesRelatedReceivablesAbstract
2862 Cash/margin receivables Concept (Monetary) As Of Debit db:CashMarginReceivables
2863 Receivables from prime brokerage Concept (Monetary) As Of Debit db:ReceivablesFromPrimeBrokerage
2864 Pending securities transactions past settlement date Concept (Monetary) As Of Debit db:PendingSecuritiesTransactionsPastSettlementDateAssets
2865 Receivables from unsettled regular way trades Concept (Monetary) As Of Debit db:ReceivablesFromUnsettledRegularWayTrades
2866 Total brokerage and securities related receivables Concept (Monetary) As Of Debit db:BrokerageAndSecuritiesRelatedReceivables
2867 Debt securities held to collect Concept (Monetary) As Of Debit db:DebtSecuritiesHeldToCollect
2868 Accrued interest receivable Concept (Monetary) As Of Debit db:AccruedInterestReceivable
2869 Assets held for sale Concept (Monetary) As Of Debit db:AssetsHeldForSale
2870 Other Concept (Monetary) As Of Debit db:OtherAssetsComponentsOfOtherAssets
2871 Total other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2872 52701 - Disclosure - Components of Other Liabilities (Detail) Network

*

*

 http://www.db.com/role/OtherLiabilities
2873 Implied Table Table

*

*

 implied:Table
2874 Other liabilities [Abstract] Abstract db:ComponentsOfOtherLiabilitiesAbstract
2875 Brokerage and securities related payables [Abstract] Abstract db:BrokerageAndSecuritiesRelatedPayablesAbstract
2876 Cash/margin payables Concept (Monetary) As Of Credit db:CashMarginPayables
2877 Payables from prime brokerage Concept (Monetary) As Of Credit db:PayablesFromPrimeBrokerage
2878 Pending securities transactions past settlement date Concept (Monetary) As Of Credit db:PendingSecuritiesTransactionsPastSettlementDateLiabilities
2879 Payables from unsettled regular way trades Concept (Monetary) As Of Credit db:PayablesFromUnsettledRegularWayTrades
2880 Total brokerage and securities related payables Concept (Monetary) As Of Credit db:BrokerageAndSecuritiesRelatedPayables
2881 Accrued interest payable Concept (Monetary) As Of Credit db:AccruedInterestPayable
2882 Liabilities held for sale Concept (Monetary) As Of Credit db:LiabilitiesHeldForSale
2883 Other Concept (Monetary) As Of Credit db:OtherLiabilitiesomponentsOfOtherLiabilities
2884 Total other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2885 52801 - Disclosure - Components of Deposits (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfDeposits
2886 Components of Deposits [Table] Table

*

*

 db:ComponentsOfDepositsTable
2887 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
2888 Consolidated legal entity [Domain Member] Member dei:EntityDomain
2889 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
2890 Components of Deposits [Line Items] LineItems db:ComponentsOfDepositsLineItems
2891 Noninterest-bearing demand deposits Concept (Monetary) As Of Credit db:NoninterestBearingDemandDeposits
2892 Interest-bearing deposits [Abstract] Abstract db:InterestBearingDepositsAbstract
2893 Demand deposits Concept (Monetary) As Of Credit db:DemandDeposits
2894 Time deposits Concept (Monetary) As Of Credit ifrs-full:BalancesOnTermDepositsFromCustomers
2895 Savings deposits Concept (Monetary) As Of Credit db:SavingsDeposits
2896 Total interest-bearing deposits Concept (Monetary) As Of Credit db:InterestBearingDeposits
2897 Total deposits Concept (Monetary) As Of Credit ifrs-full:DepositsFromCustomers
2898 52901 - Disclosure - Movements by Class of Provision (Detail) Network

*

*

 http://www.db.com/role/MovementsByClassOfProvision
2899 Movements by Class of Provision [Table] Table

*

*

 db:MovementsByClassOfProvisionTable
2900 Movements by Class of Provision [Axis] Axis db:MovementsByClassOfProvisionAxis
2901 Movements by Class of Provision [Domain Member] Member db:MovementsByClassOfProvisionDomainMember
2902 Home Savings Business [Member] Member db:HomeSavingsBusinessMember
2903 Operational Risk [Member] Member db:OperationalRiskMember
2904 Civil Litigations [Member] Member db:CivilLitigationsMember
2905 Regulatory Enforcement [Member] Member db:RegulatoryEnforcementMember
2906 Restructuring [Member] Member db:RestructuringMember
2907 Mortgage Repurchase Demands [Member] Member db:MortgageRepurchaseDemandsMember
2908 Other [Member] Member db:OtherMember
2909 Total [Member] Member db:TotalMember
2910 Movements by Class of Provision [Line Items] LineItems db:MovementsByClassOfProvisionLineItems
2911 Balance as of, start period Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2912 Changes in the group of consolidated companies Concept (Monetary) As Of Debit db:ChangesInTheGroupOfConsolidatedCompanies
2913 New provisions Concept (Monetary) For Period Credit ifrs-full:NewProvisionsOtherProvisions
2914 Amounts used Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2915 Unused amounts reversed Concept (Monetary) For Period Debit ifrs-full:UnusedProvisionReversedOtherProvisions
2916 Effects from exchange rate fluctuations/ Unwind of discount Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
2917 Transfers Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
2918 Other Concept (Monetary) For Period db:OtherMovementsByClassOfProvision
2919 Balance as of, end period Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2920 52902 - Disclosure - Parenthetical Information Note 29 Provisions (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote29ProvisionsTextValues
2921 Implied Table Table

*

*

 implied:Table
2922 Movements by Class of Provision Abstract db:MovementsByClassOfProvisionAbstract
2923 Mortgage Repurchase Demands [Abstract] Abstract db:MortgageRepurchaseDemandsAbstract
2924 Whole loan sales from 2005-2008 of private label securities in U.S.D Concept (Monetary) For Period Debit db:MortgageRepurchaseLoanSales2005To2008PrivateLabelUSD
2925 Whole loan sales from 2005-2008 of loans through whole loan sales in U.S.D Concept (Monetary) For Period Debit db:MortgageRepurchaseLoanSales2005To2008WholeLoanSalesUSD
2926 Mortgage repurchase demands outstanding in U.S. D Concept (Monetary) As Of Credit db:MortgageRepurchaseDemandsOutstandingUSD
2927 Recorded provisions against demands outstanding in U.S. D Concept (Monetary) As Of Credit db:MortgageRepurchaseDemandsOutstandingRecordedProvisionsUSD
2928 Recorded provisions against demands outstanding Concept (Monetary) As Of Credit db:MortgageRepurchaseDemandsOutstandingRecordedProvisionsEUR
2929 Recognized receivables against demands outstanding in U.S. D Concept (Monetary) As Of Debit db:MortgageRepurchaseDemandsOutstandingReceivablesUSD
2930 Recognized receivables against demands outstanding Concept (Monetary) As Of Debit db:MortgageRepurchaseDemandsOutstandingReceivablesEUR
2931 Net provisions against demands following deduction of receivables in U.S. D Concept (Monetary) As Of Credit db:MortgageRepurchaseDemandsNetProvisionsUSD
2932 Net provisions against demands following deduction of receivables Concept (Monetary) As Of Credit db:MortgageRepurchaseDemandsNetProvisionsEUR
2933 Original principal balance in U.S. D Concept (Monetary) As Of Debit db:MortgageRepurchaseOriginalPrincipal
2934 Potential claim on loans sold by DB in U.S. D Concept (Monetary) As Of Credit db:MortgageRepurchasePotentialClaimOnLoansSold
2935 Provisions & contingent liabilities [Abstract] Abstract db:ProvisionsAndContingentLiabilitiesAbstract
2936 Estimated aggregated future loss (more than remote but less than probable) [Abstract] Abstract db:EstimatedAggregatedFutureLossMoreThanRemoteButLessThanProbableAbstract
2937 Civil Litigation matters Concept (Monetary) For Period Debit db:EstimatedFutureLossNotRemoteLessThanProbableCivilLitigation
2938 Regulatory enfocement matters Concept (Monetary) For Period Debit db:EstimatedFutureLossNotRemoteLessThanProbableRegualtoryEnforcement
2939 Current individual proceedings [Abstract] Abstract db:CurrentIndividualProceedingsAbstract
2940 Esch Funds Litigation [Abstract] Abstract db:EschFundsLitigationAbstract
2941 Original claims against Sal. Oppenheim related to investments Concept (Monetary) As Of Credit db:CurrentProceedingsEschFundsOriginalClaimsAgainstSalOp
2942 Thereof: still pending Concept (Monetary) As Of Credit db:CurrentProceedingsEschFundsOriginalClaimsAgainstSalOpPending
2943 Aggregated amount claimed in proceedings pending Concept (Monetary) For Period Credit db:CurrentProceedingsEschFundsAmountClaimed
2944 FX Investigations & Litigations [Abstract] Abstract db:FXInvestigationsAndLitigationsAbstract
2945 DB Brazil Settlement on 7th Dec 2016 in BRL Concept (Monetary) For Period Debit db:CurrentProceedingsFXSettlementBrazilBRL
2946 Civil monetary penalty agreement (Board of Governors of the Federal Reserve System) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsFXCivilPenaltyUSUSD
2947 Civil monetary penalty agreement (New York State Department of Financial Services) in U.S. D Concept (Monetary) As Of db:CivilMonetaryPenaltyPaymentNYDFSUSD
2948 Final order approval of a settlement related to manipulated benchmark- and spot rates in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsFXSettlementPreliminaryBenchmarkAndSpotRates
2949 Interbank Offered Rates Matters [Abstract] Abstract db:InterbankOfferedRatesMattersAbstract
2950 Payment to European Commission in relation to anticompetitive conduct in the trading od interest rate derivatives (as reported in 2013) in EUR Concept (Monetary) For Period Debit db:CurrentProceedingsLiborAnticompetitiveConductSettlementReported2013USD
2951 DB agreement to pay for misconduct concerning to LIBOR settlement to DOJ & CFTC (as reported in 2015) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborAgreementMisconductDOJAndCFTCReported2015USD
2952 DB agreement to pay for misconduct concerning to LIBOR settlement to FCA (as reported in 2015) in GBP Concept (Monetary) For Period Debit db:CurrentProceedingsLiborAgreementMisconductDOJAndCFTCReported2015GBP
2953 Fine payment by DB Group Services (UK) Ltd. in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborFinePaymentDBGroupServicesUSD
2954 Fine payment to Swiss Competition Commission (WEKO) pursuant to a settlement agreement in relation to Yen LIBOR in CHF Concept (Monetary) For Period Debit db:CurrentProceedingsLiborFinePaymentYenLiborCHF
2955 Payment of Swiss Competition Commission (WEKO) fees in CHF Concept (Monetary) For Period Debit db:CurrentProceedingsLiborPaymentSwissCompetitionWekoCHF
2956 Payment of settlement with US State attornys investigation in interbank offered rates in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborSettlementPaymentUSStateUSD
2957 Settlement agreement on July 13, 2017 as part of the U.S. dollar LIBOR MDL asserting claims based on alleged transactions in Eurodollar futures and options in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborSettlementFeb2018AgreementMDLEurodollarUSD
2958 Payment of settlement agreement on Feb 13, 2018 as part of the U.S. dollar LIBOR MDL asserting claims based on on alleged transactions in U.S. dollar LIBOR-linked financial instruments in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborSettlementFeb2018AgreementMDLDollarlinkedUSD
2959 Payment for alleging manipulation of Yen LIBOR and Euroyen TIBOR pending in the SDNY in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborPaymentYenLiborEuroyenTIborPendingUSD
2960 Payment for alleging manipulation of EURIBOR pending in the SDNY in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsLiborPaymentEuriborPendingUSD
2961 KOSPI Index Unwind Matters [Abstract] Abstract db:KOSPIIndexUnwindMattersAbstract
2962 Criminal fine imposed on Deutsche Securities Korea Co. (DSK) in KRW Concept (Monetary) For Period Debit db:CurrentProceedingsKospiFineImposedKRW
2963 Criminal fine imposed on Deutsche Securities Korea Co. (DSK) (less than) Concept (Monetary) For Period Debit db:CurrentProceedingsKospiFineImposedLessThanEUR
2964 Aggregated claim amount against DB & DSK for known clainms (less than) Concept (Monetary) As Of Credit db:CurrentProceedingsKospiAggregatedClaimsLessThanEUR
2965 Mortgage-Related and Asset-Backed Securities Matters and Investigation [Abstract] Abstract db:MortgageRelatedAndAssetBackedSecuritiesMattersAndInvestigationAbstract
2966 Payment of a civil monetary penalty for RMBS claims from 2005 to 2007 (settlement with DOJ) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsMbsAbsPenaltyPaymentRmbs2005to2007DojUSD
2967 Agreed consumer releif for RMBS claims from 2005 to 2007 (settlement with DOJ) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsMbsAbsCustomerReliefRmbs2005to2007DojUSD
2968 Settlement with Maryland Attorney General of payment for RMBS and CDO businesses from 2002 to 2009 in U.S. D mn. Concept (Monetary) For Period Debit db:CurrentProceedingsMbsAbsSettlementMarylandRmbsCdo2002to2009USD
2969 Agreed consumer relief settlement with Maryland Attorney General (to be allocated from the overall U.S.D 4.1 billion consumer relief obligation agreed to as part of Deutsche Banks settlement with the DOJ) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsMbsAbsSettlementMarylandCustomerReliefUSD
2970 Postbank Voluntary Public Takeover Offer [Abstract] Abstract db:PostbankVoluntaryPublicTakeoverOfferAbstract
2971 Takeover offer for Postbank shareholder in EUR per share Concept (Share) As Of db:CurrentProceedingsPostbankTakeoverOffer
2972 Total number of shares accepted in takeover in shares Concept (Shares) As Of db:CurrentProceedingsPostbankSharesAccepted
2973 Claim (raised in 2010 by Effecten-Spiegel AG) for raising the takeover share price offer to EUR per share Concept (Share) As Of db:CurrentProceedingsPostbankClaimEffectenspiegel2010
2974 Claim (raised in 2014 by additional former shareholders of Postbank) for raising the takeover share price offer in EUR per share Concept (Share) As Of db:CurrentProceedingsPostbankClaimFormerShareholders2014
2975 Increase of takeover share price offer to shareholders which have accepted the takeover in EUR per share Concept (Share) For Period db:CurrentProceedingsPostbankTakeoverOfferIncreasedPrice
2976 Additional claims (raised in 2017) for raising the takeover share price offer to EUR per share Concept (Share) As Of db:CurrentProceedingsPostbankAdditionalClaims2017
2977 Total payment claims against Deutsche Bank in relation to Postbank takeover (excluding interest) Concept (Monetary) As Of Credit db:CurrentProceedingsPostbankTotalClaimsWithoutInterest
2978 Further Proceedings Relating to the Postbank Takeover [Abstract] Abstract db:FurtherProceedingsRelatingToThePostbankTakeoverAbstract
2979 Postbank's cash compensation with respect to P&L transfer agreement in EUR per share Concept (Share) For Period db:CurrentProceedingsPostbankCashCompensation
2980 Acceptance of Postbank's cash compensation with respect to P&L transfer agreement in shares Concept (Shares) For Period db:CurrentProceedingsPostbankCashCompensationAcceptance
2981 Squeeze out compensation in EUR per share Concept (Share) For Period db:CurrentProceedingsPostbankCashCompensationSqueezeout
2982 Number of shares squeezed-out in shares Concept (Shares) For Period db:CurrentProceedingsPostbankCashSharesSqueezeout
2983 Russia/UK Equities Trading Investigation [Abstract] Abstract db:RussiaUKEquitiesTradingInvestigationAbstract
2984 Investigations into the Banks anti-money laundering (AML) control function in its investment banking division [Abstract] Abstract db:InvestigationsIntoTheBanksAntiMoneyLaunderingAmlControlFunctionInItsInvestmentBankingDivisionAbstract
2985 Settlement agreement with DFS to pay civil monetary penalties in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsRussiaUkTradingSettlementDfsUSD
2986 Settlement agreement with FCA to pay civil monetary penalties in GBP Concept (Monetary) For Period Debit db:CurrentProceedingsRussiaUkTradingSettlementFcaGBP
2987 Payment of penalty for AML issues identified by the Federal Reserve in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsRussiaUkTradingPaymentPenaltyAmlFedUSD
2988 Sovereign, Supranational and Agency Bonds (SSA) Investigations and Litigations [Abstract] Abstract db:SovereignSupranationalAndAgencyBondsSsaInvestigationsAndLitigationsAbstract
2989 Agreement with U.S. District Court for the Southern District of New York to settle the actions (alleging violations of U.S. antitrust law and common law related to alleged manipulation of the secondary trading market for SSA bonds) in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsSSABondsSettlementUSD
2990 U.S. Embargoes-Related Matters [Abstract] Abstract db:USEmbargoesRelatedMattersAbstract
2991 Payment to New York State Department of Financial Services in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsUSEmbargoesPaymentNyStateUSD
2992 Payment to Federal Reserve Bank of New York in U.S. D Concept (Monetary) For Period Debit db:CurrentProceedingsUSEmbargoesPaymentFedUSD
2993 Other Provisions [Abstract] Abstract ifrs-full:OtherProvisionsAbstract
2994 Restatedment to reflect the reclassification from Provisions to Deposits in the Groups Consolidated Balance Sheet Concept (Monetary) As Of db:RestatedmentToReflectTheReclassificationFromProvisionsToDepositsInTheGroupsConsolidatedBalanceSheet
2995 53001 - Disclosure - Commitments and Contingent Liabilities (Detail) Network

*

*

 http://www.db.com/role/CreditRelatedCommitmentsAndContingentLiabilities
2996 Commitments and Contingent Liabilities [Table] Table

*

*

 db:CommitmentsAndContingentLiabilitiesTable
2997 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
2998 Consolidated legal entity [Domain Member] Member dei:EntityDomain
2999 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
3000 Commitments and Contingent Liabilities [Line Items] LineItems db:CommitmentsAndContingentLiabilitiesLineItems
3001 Irrevocable lending commitments Concept (Monetary) As Of Debit db:IrrevocableLendingCommitments
3002 Revocable lending commitments Concept (Monetary) As Of Debit db:RevocableLendingCommitments
3003 Contingent liabilities Concept (Monetary) As Of Debit db:ContingentLiabilities
3004 Total Concept (Monetary) As Of db:LendingRelatedCommitmentsAndContingentLiabilities
3005 53001 - Disclosure - Commitments and Contingent Liabilities (Detail: Text Values) Network

*

*

 http://www.db.com/role/CommitmentsAndContingentLiabilitiesParenthetical
3006 Implied Table Table

*

*

 implied:Table
3007 Commitments and Contingent Liabilities [Abstract] Abstract db:CommitmentsAndContingentLiabilitiesAbstract
3008 Irrevocable payment commitments related to bank levy Concept (Monetary) For Period Debit db:IrrevocablePaymentCommitmentsRelatedToBankLevy
3009 53002 - Disclosure - Other Commitments and Contingent Liabilities (Detail) Network

*

*

 http://www.db.com/role/OtherCommitmentsAndContingentLiabilities
3010 Implied Table Table

*

*

 implied:Table
3011 Other Commitments and Contingent Liabilities [Abstract] Abstract db:OtherCommitmentsAndContingentLiabilitiesAbstract
3012 Other commitments Concept (Monetary) For Period Credit db:OtherCommitments
3013 Other contingent liabilities Concept (Monetary) For Period Credit db:OtherContingentLiabilities
3014 Total Concept (Monetary) For Period Credit db:OtherCommitmentsAndContingentLiabilities
3015 53101 - Disclosure - Components of Other Short-Term Borrowings (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfOtherShortTermBorrowings
3016 Implied Table Table

*

*

 implied:Table
3017 Other short-term borrowings [Abstract] Abstract db:ComponentsOfOtherShortTermBorrowingsAbstract
3018 Commercial paper Concept (Monetary) As Of Credit ifrs-full:CommercialPapersIssued
3019 Other Concept (Monetary) As Of Credit db:OtherThanCommercialPaperShortTermBorrowings
3020 Total other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
3021 53201 - Disclosure - Long-Term Debt by Contractual Maturity (Detail) Network

*

*

 http://www.db.com/role/LongTermDebtByContractualMaturity
3022 Long-Term Debt by Contractual Maturity [Table] Table

*

*

 db:LongTermDebtByContractualMaturityTable
3023 Long-Term Debt by Contractual Maturity [Axis] Axis db:LongTermDebtByContractualMaturityAxis
3024 Total [Domain Member] Member db:TotalLongTermDebtDomainMember
3025 Due in 2019 [Member] Member db:DueInNextYearMember
3026 Due in 2020 [Member] Member db:DueInCurrentYearPlusTwotMember
3027 Due in 2021 [Member] Member db:DueInCurrentYearPlusThreeMember
3028 Due in 2022 [Member] Member db:DueInCurrentYearPlusFourMember
3029 Due in 2023 [Member] Member db:DueInCurrentYearPlusFiveMember
3030 Due after 2023 [Member] Member db:DueAfterCurrentYearPlusFiveMember
3031 Debt Seniority [Axis] Axis db:DebtSeniorityAxis
3032 Debt Seniority [Domain Member] Member db:DebtSeniorityDomainMember
3033 Senior debt, Bonds and notes [Member] Member db:SeniorDebtBondsAndNotesMember
3034 Subordinated debt, Bonds and notes [Member] Member db:SubordinatedDebtBondsAndNotesMember
3035 Long-Term Debt by Contractual Maturity [Line Items] LineItems db:LongTermDebtByContractualMaturityLineItem
3036 By remaining maturities [Abstract] Abstract db:ByRemainingMaturitiesAbstract
3037 Fixed rate Concept (Monetary) As Of Debit db:FixedRate
3038 Floating rate Concept (Monetary) As Of Debit db:FloatingRate
3039 Other Long-Term Debt by Contractual Maturity Concept (Monetary) As Of Credit db:OtherLongTermDebtByContractualMaturity
3040 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
3041 53202 - Disclosure - Fixed and Floating Rate Trust Preferred Securities (Detail) Network

*

*

 http://www.db.com/role/FixedAndFloatingRateTrustPreferredSecurities
3042 Implied Table Table

*

*

 implied:Table
3043 Fixed and Floating Rate Trust Preferred Securities [Abstract] Abstract db:FixedAndFloatingRateTrustPreferredSecuritiesAbstract
3044 Fixed rate Concept (Monetary) As Of Credit db:FixedRateTrustPreferredSecurities
3045 Floating rate Concept (Monetary) As Of Credit db:FloatingRateTrustPreferredSecurities
3046 Total trust preferred securities Concept (Monetary) As Of Credit db:TrustPreferredSecurities
3047 53301 - Disclosure - Maturity Analysis of Financial Liabilities (IFRS) (Detail) Network

*

*

 http://www.db.com/role/MaturityAnalysisOfFinancialLiabilitiesIFRS
3048 Maturity Analysis of Financial Liabilities (IFRS) [Table] Table

*

*

 db:MaturityAnalysisOfFinancialLiabilitiesIFRSTable
3049 Maturity Analysis of Financial Liabilities (IFRS) [Axis] Axis db:MaturityAnalysisOfFinancialLiabilitiesIFRSAxis
3050 Maturity Analysis of Financial Liabilities (IFRS) [Domain Member] Member db:MaturityAnalysisOfFinancialLiabilitiesIFRSDomainMember
3051 On demand [Member] Member ifrs-full:OnDemandMember
3052 Due within 3 months [Member] Member db:DueWithin3MonthsMember
3053 Due between 3 and 12 months [Member] Member db:DueBetween3And12MonthsMember
3054 Due between 1 and 5 years [Member] Member db:DueBetween1and5YearsMember
3055 Due after 5 years [Member] Member db:DueAfter5YearsMember
3056 Maturity Analysis of Financial Liabilities (IFRS) [Line Items] LineItems db:MaturityAnalysisOfFinancialLiabilitiesIFRSLineItems
3057 Noninterest bearing deposits Concept (Monetary) As Of Credit db:NoninterestBearingDeposits
3058 Interest-bearing deposits Concept (Monetary) As Of Credit db:InterestBearingDeposits
3059 Trading liabilities Concept (Monetary) As Of Credit db:TradingLiabilities
3060 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
3061 Financial liabilities designated at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
3062 Investment contract liabilities Concept (Monetary) As Of Credit ifrs-full:InvestmentContractsLiabilities
3063 Negative market values from derivative financial instruments qualifying for hedge accounting Concept (Monetary) As Of Credit db:NegativeMarketValuesFromDerivativeFinancialInstrumentsQualifyingForHedgeAccounting
3064 Central bank funds purchased Concept (Monetary) As Of Credit db:CentralBankFundsPurchased
3065 Securities sold under repurchase agreements, Financial Liabilities Concept (Monetary) As Of Credit db:SecuritiesSoldUnderRepurchaseAgreementsFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss
3066 Securities loaned Concept (Monetary) As Of Credit db:SecuritiesLoaned
3067 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
3068 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
3069 Trust preferred securities Concept (Monetary) As Of Credit db:TrustPreferredSecurities
3070 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherFinancialLiabilities
3071 Off-balance sheet loan commitments Concept (Monetary) As Of Credit db:OffBalanceSheetLoanCommitments
3072 Financial guarantees Concept (Monetary) As Of Credit db:FinancialGuarantees
3073 Total Concept (Monetary) As Of Credit db:FinancialLiabilitiesMaturityAnalysis
3074 53401 - Disclosure - Common Shares (Detail) Network

*

*

 http://www.db.com/role/CommonShares
3075 Common shares [Table] Table

*

*

 db:CommonSharesTable
3076 Common shares [Axis] Axis db:CommonSharesAxis
3077 Common shares [Domain Member] Member db:CommonSharesAxisDomain
3078 Issued and fully paid [Member] Member db:IssuedAndFullyPaidMember
3079 Treasury shares [Member] Member ifrs-full:TreasurySharesMember
3080 Outstanding [Member] Member db:OutstandingMember
3081 Common Shares [Abstract] Abstract db:CommonSharesAbstract
3082 Number of shares [line items] Abstract db:NumberOfSharesAbstract
3083 Common shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
3084 Shares issued under share-based compensation plans Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
3085 Capital increase Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
3086 Shares purchased for treasury Concept (Shares) For Period db:SharesPurchasedForTreasury
3087 Shares sold or distributed from treasury Concept (Shares) For Period db:SharesSoldOrDistributedFromTreasury
3088 53401 - Disclosure - Common Shares (Detail) Network

*

*

 http://www.db.com/role/CommonShares
3089 Implied Table Table

*

*

 implied:Table
3090 Common Shares [Abstract] Abstract db:CommonSharesAbstract
3091 Number of shares [line items] Abstract db:NumberOfSharesAbstract
3092 Common shares, beginning balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
3093 Shares issued under share-based compensation plans Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
3094 Capital increase Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
3095 Shares purchased for treasury Concept (Shares) For Period db:SharesPurchasedForTreasury
3096 Shares sold or distributed from treasury Concept (Shares) For Period db:SharesSoldOrDistributedFromTreasury
3097 Common shares, ending balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
3098 53402 - Disclosure - Dividends (Detail) Network

*

*

 http://www.db.com/role/Dividends
3099 Implied Table Table

*

*

 implied:Table
3100 Dividends Abstract db:DividendsAbstract
3101 Cash dividends declared Concept (Monetary) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
3102 Cash dividends declared per common share (in EUR per share) Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
3103 53403 - Disclosure - Parenthetical Information Note 34 (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote34
3104 Implied Table Table

*

*

 implied:Table
3105 Parenthetical Information Note 34 Abstract db:ParentheticalInformationNote35Abstract
3106 Nominal value of each share derived by dividing the total amount of share capital by the number of shares Concept (Share) As Of db:NominalValueOfEachShareDerivedByDividingTheTotalAmountOfShareCapitalByTheNumberOfShares
3107 Proceeds of capital increase on April 7, 2017 Concept (Monetary) As Of db:ProceedsOfCapitalIncreaseOnApril72017
3108 Subscription rights exercised Concept (Percent) As Of db:SubscriptionRightsExercised
3109 Number of new shares issued Concept (Shares) As Of db:NumberOfNewSharesIssued
3110 Subscription price per share Concept (Share) As Of db:SubscriptionPricePerShare
3111 Remaining new shares sold in the market Concept (Monetary) As Of db:RemainingNewSharesSoldInTheMarket
3112 Average price of new shares sold in the market per share Concept (Share) As Of db:AveragePriceOfNewSharesSoldInTheMarketPerShare
3113 Transaction costs related to the capital increase, directly recorded in equity Concept (Monetary) As Of db:TransactionCostsRelatedToTheCapitalIncreaseDirectlyRecordedInEquity
3114 Authorized capital available to the Management Board Concept (Monetary) As Of db:AuthorizedCapitalAvailableToTheManagementBoard
3115 Authorized capital to increase share capital by issuing new share for cash and noncash Concept (Monetary) As Of db:AuthorizedCapitalToIncreaseShareCapitalByIssuingNewShareForCashAndNoncash
3116 Authorized capital to increase share capital by issuing new share for cash Concept (Monetary) As Of db:AuthorizedCapitalToIncreaseShareCapitalByIssuingNewShareForCash
3117 Conditional Capital with expiration date for the issuance of conversion and/or option rights by April 30, 2017 Concept (Monetary) As Of db:ConditionalCapitalWithExpirationDateForTheIssuanceOfConversionAndOrOptionRightsByApril302017
3118 Conditional Capital with expiration date for the issuance of conversion and/or option rights by April 30, 2019 Concept (Monetary) As Of db:ConditionalCapitalWithExpirationDateForTheIssuanceOfConversionAndOrOptionRightsByApril302019
3119 53501 - Disclosure - Employee Benefits - Activity for Share Plans (Detail) Network

*

*

 http://www.db.com/role/ActivityForSharePlans
3120 Activity for Share Plans [Table] Table

*

*

 db:ActivityForSharePlansTable
3121 Activity for Share Plans [Axis] Axis db:ActivityForSharePlansAxis
3122 Activity for Share Plans [Domain Member] Member db:ActivityForSharePlansDomainMember
3123 Share units (in thousands) [Member] Member db:ShareUnitsInThousandsMember
3124 Weighted-average grant date fair value per unit [Member] Member db:WeightedAverageGrantDateFairValuePerUnitMember
3125 Activity for Share Plans [line items] LineItems db:ActivityForSharePlansLineItems
3126 Balance as of Concept (Shares) As Of db:BalanceAsOfSharesActivityForSharePlans
3127 Balance as of Concept (Monetary) As Of db:BalanceAsOfValueActivityForSharePlans
3128 53502 - Disclosure - Employee Benefits - DWS Share based Plans (Detail) Network

*

*

 http://www.db.com/role/DWSShareBasedPlans
3129 DWS Share based Plans [Table] Table

*

*

 db:DWSShareBasedPlansTable
3130 DWS Share based Plans, Units Plan [Axis] Axis db:DWSShareBasedPlansUnitsPlanAxis
3131 Units Plan [Domain Member] Member db:UnitsPlanDomainMember
3132 PSU [Member] Member db:PSUMember
3133 SAR [Member] Member db:SARMember
3134 DWS Share based Plan Date [Axis] Axis db:DWSShareBasedPlanDateAxis
3135 DWS share based plan date [Domain Member] Member db:DWSShareBasedPlanDateDomainMember
3136 Grant date 15 September 2018 [Member] Member db:GrantDate15September2018Member
3137 Measurement date 31 December 2018 [Member] Member db:MeasurementDate31December2018Member
3138 DWS Share based Plans [Line Items] LineItems db:DWSShareBasedPlansLineItems
3139 Units Concept (Monetary) As Of db:UnitsAmount
3140 Fair value Concept (Monetary) As Of db:FairValue
3141 Share price Concept (Monetary) As Of db:SharePrice
3142 Exercise price Concept (Monetary) As Of db:ExercisePrice
3143 Expected volatility (weighted-average, in percent) Concept (Percent) As Of db:ExpectedVolatilityWeightedAverageInPercent
3144 Expected life (weighted-average, in years) Concept (Decimal) As Of db:ExpectedLifeWeightedAverageInYears
3145 Expected dividends (in percent of income) Concept (Percent) As Of db:ExpectedDividendsInPercentOfIncome
3146 Risk-free interest rate (based on government funds, in percent) Concept (Percent) As Of db:RiskFreeInterestRateBasedOnGovernmentFundsInPercent
3147 53503 - Disclosure - Post-employment Benefit Plans - Breakdown of Benefit Obligation (Detail) Network

*

*

 http://www.db.com/role/BreakdownOfBenefitObligation
3148 Breakdown of Benefit Obligation [Table] Table

*

*

 db:BreakdownOfBenefitObligationTable
3149 Breakdown of Benefit Obligation [Axis] Axis db:BreakdownOfBenefitObligationAxis
3150 Total countries [Domain Member] Member country:AllCountriesDomain
3151 Germany [Member] Member country:DE
3152 UK [Member] Member country:GB
3153 US [Member] Member country:US
3154 Other [Member] Member db:OtherCountryMember
3155 Breakdown of Benefit Obligation Abstract db:BreakdownOfBenefitObligationAbstract
3156 Breakdown of Benefit Obligation [line items] Abstract db:BreakdownOfBenefitObligationLineItemsAbstract
3157 Defined benefit obligation related to Abstract db:DefinedBenefitObligationRelatedToAbstract
3158 Active plan participants Concept (Monetary) As Of Debit db:ActivePlanParticipants
3159 Participants in deferred status Concept (Monetary) As Of Debit db:ParticipantsInDeferredStatus
3160 Participants in payment status Concept (Monetary) As Of Debit db:ParticipantsInPaymentStatus
3161 Defined benefit obligation Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
3162 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3163 Funding ratio (in %) Concept (Percent) As Of db:FundingRatio
3164 53503 - Disclosure - Post-employment Benefit Plans - Breakdown of Benefit Obligation (Detail) Network

*

*

 http://www.db.com/role/BreakdownOfBenefitObligation
3165 Implied Table Table

*

*

 implied:Table
3166 Breakdown of Benefit Obligation Abstract db:BreakdownOfBenefitObligationAbstract
3167 Breakdown of Benefit Obligation [line items] Abstract db:BreakdownOfBenefitObligationLineItemsAbstract
3168 Defined benefit obligation related to Abstract db:DefinedBenefitObligationRelatedToAbstract
3169 Active plan participants Concept (Monetary) As Of Debit db:ActivePlanParticipants
3170 Participants in deferred status Concept (Monetary) As Of Debit db:ParticipantsInDeferredStatus
3171 Participants in payment status Concept (Monetary) As Of Debit db:ParticipantsInPaymentStatus
3172 Defined benefit obligation Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
3173 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3174 Funding ratio (in %) Concept (Percent) As Of db:FundingRatio
3175 53504 - Disclosure - Employee Benefits - Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) (Detail) Network

*

*

 http://www.db.com/role/BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflows
3176 Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) [Table] Table

*

*

 db:BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflowsTable
3177 Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) [Axis] Axis db:BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflowsAxis
3178 Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) [Domain Member] Member db:BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflowsDomainMember
3179 Actual benefit payments 2018 Member db:ActualBenefitPaymentsCurrentYearMember
3180 Benefits expected to be paid 2019 Member db:BenefitsExpectedToBePaidNextYearMember
3181 Benefits expected to be paid 2020 Member db:BenefitsExpectedToBePaidCurrentYearPlusTwoMember
3182 Benefits expected to be paid 2021 Member db:BenefitsExpectedToBePaidCurrentYearPlusThreeMember
3183 Benefits expected to be paid 2022 Member db:BenefitsExpectedToBePaidCurrentYearPlusFourMember
3184 Benefits expected to be paid 2023 Member db:BenefitsExpectedToBePaidCurrentYearPlusFiveMember
3185 Benefits expected to be paid 2024 to 2028 Member db:BenefitsExpectedToBePaidCurrentYearPlusSixToCurrentYearPlusTenMember
3186 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
3187 Total countries [Domain Member] Member country:AllCountriesDomain
3188 Germany [Member] Member country:DE
3189 UK [Member] Member country:GB
3190 US [Member] Member country:US
3191 Other [Member] Member db:OtherCountryMember
3192 Benefits Expected to be paid by the Retirement Benefit Plans (Impact on Cashflows) [Line Items] LineItems db:BenefitsExpectedToBePaidByTheRetirementBenefitPlansImpactOnCashflowsLineItems
3193 Weighted average duration of defined benefit obligation (in years) Concept (Decimal) For Period ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
3194 Benefits Expected to be paid by the Retirement Benefit Plans Concept (Monetary) As Of db:BenefitsExpectedToBePaidByTheRetirementBenefitPlans
3195 53505 - Disclosure - Employee Benefits - Actuarial Assumptions (Detail) Network

*

*

 http://www.db.com/role/ActuarialAssumptions
3196 Actuarial Assumptions [Table] Table

*

*

 db:ActuarialAssumptionsTable
3197 Actuarial Assumptions [Axis] Axis ifrs-full:ActuarialAssumptionsAxis
3198 Total countries [Domain Member] Member country:AllCountriesDomain
3199 Germany [Member] Member country:DE
3200 UK [Member] Member country:GB
3201 US [Member] Member country:US
3202 Other [Member] Member db:OtherCountryMember
3203 Actuarial Assumptions [line items] LineItems db:ActuarialAssumptionsLineItems
3204 Discount rate (in %) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
3205 Rate of price inflation (in %) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
3206 Rate of nominal increase in future compensation levels (in %) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
3207 Rate of nominal increase for pensions in payment (in %) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreases
3208 Assumed life expectancy at age 65 Abstract db:AssumedLifeExpectancyAtAge65Abstract
3209 For a male aged 65 at measurement date Concept (Pure) For Period db:ForAMaleAged65AtMeasurementDate
3210 For a female aged 65 at measurement date Concept (Pure) For Period db:ForAFemaleAged65AtMeasurementDate
3211 For a male aged 45 at measurement date Concept (Pure) For Period db:ForAMaleAged45AtMeasurementDate
3212 For a female aged 45 at measurement date Concept (Pure) For Period db:ForAFemaleAged45AtMeasurementDate
3213 53506 - Disclosure - Employee Benefits - Reconciliation in Movement of Liabilities and Assets - Impact on Balance Sheet (Detail) Network

*

*

 http://www.db.com/role/ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheet
3214 Reconciliation in Movement of Liabilities and Assets, Impact on Balance Sheet [Table] Table

*

*

 db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetTable
3215 Reconciliation in Movement of Liabilities and Assets, Impact on Balance Sheet, Geographical breakdown [Axis] Axis db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetGeographicalBreakdownAxis
3216 Total countries [Domain Member] Member country:AllCountriesDomain
3217 Germany [Member] Member country:DE
3218 UK [Member] Member country:GB
3219 US [Member] Member country:US
3220 Other [Member] Member db:OtherCountryMember
3221 Reconciliation in Movement of Liabilities and Assets, Impact on Balance Sheet, Grouping [Axis] Axis db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetGroupingAxis
3222 Reconciliation in Movement of Liabilities and Assets, Impact on Balance Sheet, Grouping [Domain Member] Member db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetGroupingDomainMember
3223 Change in the present value of the defined benefit obligation [Member] Member db:ChangeInThePresentValueOfTheDefinedBenefitObligationMember
3224 Change in fair value of plan assets [Member] Member db:ChangeInFairValueOfPlanAssetsMember
3225 Change in irrecoverable surplus (asset ceiling) [Member] Member db:ChangeInIrrevocalbeSurplusAssetCeilingMember
3226 Reconciliation in Movement of Liabilities and Assets, Impact on Balance Sheet [line items] LineItems db:ReconciliationInMovementOfLiabilitiesAndAssetsImpactOnBalanceSheetLineItems
3227 Change in the present value of the defined benefit obligation: Balance, beginning of year Concept (Monetary) As Of Debit db:ChangeInThePresentValueOfTheDefinedBenefitObligationBalance
3228 Defined benefit cost recognized in Profit & Loss [Abstract] Abstract db:DefinedBenefitCostRecognizedInProfitLossAbstract
3229 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
3230 Interest cost Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
3231 Past service cost and gain or loss arising from settlements Concept (Monetary) For Period Credit ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
3232 Interest income Concept (Monetary) For Period Debit ifrs-full:InterestIncomeReimbursementRights
3233 Defined benefit cost recognized in Other Comprehensive Income [Abstract] Abstract db:DefinedBenefitCostRecognizedInOtherComprehensiveIncomeAbstract
3234 Actuarial gain or loss arising from changes in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
3235 Actuarial gain or loss arising from changes in demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
3236 Actuarial gain or loss arising from experience Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
3237 Cash flow and other changes [Abstract] Abstract db:CashFlowAndOtherChangesAbstract
3238 Contributions by plan participants Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset
3239 Benefits paid Concept (Monetary) For Period Credit db:BenefitsPaid
3240 Payments in respect to settlements Concept (Monetary) For Period Debit ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset
3241 Acquisitions/Divestitures, Cashflows and other changes Concept (Monetary) For Period Credit db:AcquisitionsDivestitures
3242 Exchange rate changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
3243 Other, Cash Flow and Other Changes Concept (Monetary) For Period Debit db:OtherReconciliation
3244 Change in the present value of the defined benefit obligation: Balance, end of year Concept (Monetary) As Of Debit db:ChangeInThePresentValueOfTheDefinedBenefitObligationBalance
3245 thereof, Reconciliation Abstract db:ThereofReconciliation
3246 Unfunded Concept (Monetary) As Of Debit db:UnfundedReconciliation
3247 Funded Concept (Monetary) As Of Debit db:FundedReconciliation
3248 Change in fair value of plan assets: Balance, beginning of year Concept (Monetary) As Of Debit db:ChangeInFairValueOfPlanAssetsBalance
3249 Return from plan assets less interest income Concept (Monetary) For Period Debit db:ReturnFromPlanAssetsLessInterestIncome
3250 Contributions by the employer Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
3251 Plan administration costs Concept (Monetary) For Period Credit db:PlanAdministrationCosts
3252 Change in fair value of plan assets: Balance, end of year Concept (Monetary) As Of Debit db:ChangeInFairValueOfPlanAssetsBalance
3253 Funded status, end of year Concept (Monetary) As Of Credit db:FundedStatusEndOfYear
3254 Change in irrecoverable surplus (asset ceiling): Balance, beginning of year Concept (Monetary) As Of Debit db:ChangeInIrrecoverableSurplusAssetCeilingBalance
3255 Changes in irrecoverable surplus Concept (Monetary) For Period Credit db:ChangesInIrrecoverableSurplus
3256 Change in irrecoverable surplus (asset ceiling): Balance, end of year Concept (Monetary) As Of Debit db:ChangeInIrrecoverableSurplusAssetCeilingBalance
3257 Net asset (liability) recognized Concept (Monetary) For Period Credit db:NetAssetLiabilityRecognized
3258 thereof recognized in: Abstract db:ThereofRecognizedIn
3259 other assets Concept (Monetary) For Period Debit db:OtherAssetsNetAssetLiabilityRecognized
3260 other liabilities Concept (Monetary) For Period Debit db:OtherLiabilitiesNetAssetLiabilityRecognized
3261 assets/ liabilities held for sale Concept (Monetary) For Period db:assetsLiabilitiesHeldForSale
3262 Fair value of reimbursement rights Concept (Monetary) As Of Debit ifrs-full:ReimbursementRightsAtFairValue
3263 53507 - Disclosure - Employee Benefits - Plan Asset Allocation (Detail) Network

*

*

 http://www.db.com/role/PlanAssetAllocation
3264 Plan Asset Allocation [Table] Table

*

*

 ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
3265 Plan Asset Allocation [Axis] Axis ifrs-full:DefinedBenefitPlansAxis
3266 Total countries [Domain Member] Member country:AllCountriesDomain
3267 Germany [Member] Member country:DE
3268 UK [Member] Member country:GB
3269 US [Member] Member country:US
3270 Other countries [Member] Member db:OtherCountryMember
3271 Plan Asset Allocation [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
3272 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets
3273 Equity instruments Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
3274 Investment-grade bonds Abstract db:InvestmentGradeBondsAbstract
3275 Government Concept (Monetary) As Of Debit db:GovernmentInvestmentGradeBonds
3276 Non-government bonds Concept (Monetary) As Of Debit db:NonGovernmentBondsInvestmentGradeBonds
3277 Non-investment-grade bonds Abstract db:NonInvestmentGradeBondsAbstract
3278 Government Concept (Monetary) As Of Debit db:GovernmentNonInvestmentGradeBonds
3279 Non-government bonds Concept (Monetary) As Of Debit db:NonGovernmentBondsNonInvestmentGradeBonds
3280 Structured products Concept (Monetary) As Of Debit db:StructuredProductsPlanAssetAllocation
3281 Insurance Concept (Monetary) As Of Debit db:InsurancePlanAssetAllocation
3282 Alternatives Abstract db:AlternativesAbstract
3283 Hedge funds Concept (Monetary) As Of Debit db:HedgeFunds
3284 Real estate Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
3285 Commodities Concept (Monetary) As Of Debit db:CommoditiesAlternatives
3286 Private equity Concept (Monetary) As Of Debit db:PrivateEquityAlternatives
3287 Other Concept (Monetary) As Of Debit db:AlternativesOther
3288 Derivatives (Market Value) [Abstract] Abstract db:DerivativesMarketValueAbstract
3289 Interest rate Concept (Monetary) As Of Credit db:InterestRateDerivatives
3290 Credit Concept (Monetary) As Of Debit db:CreditDerivatives
3291 Inflation Concept (Monetary) As Of db:InflationDerivatives
3292 Foreign exchange Concept (Monetary) As Of Debit db:ForeighExchangeDerivatives
3293 Other Concept (Monetary) As Of Debit db:DerivativesMarketValueOther
3294 Total fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3295 53507 - Disclosure - Employee Benefits - Plan Asset Allocation Level 1 (Detail) Network

*

*

 http://www.db.com/role/PlanAssetAllocationLevel1
3296 Plan Asset Allocation [Table] Table

*

*

 ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
3297 Plan Asset Allocation [Axis] Axis ifrs-full:DefinedBenefitPlansAxis
3298 Total countries [Domain Member] Member country:AllCountriesDomain
3299 Germany [Member] Member country:DE
3300 UK [Member] Member country:GB
3301 US [Member] Member country:US
3302 Other countries [Member] Member db:OtherCountryMember
3303 Levels of value hierachy [Axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
3304 All levels of fair value hierarchy [Domain Member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
3305 Level 1 of Fair Value Hierarchy [Member] Member ifrs-full:Level1OfFairValueHierarchyMember
3306 Plan Asset Allocation [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
3307 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets
3308 Equity instruments Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
3309 Investment-grade bonds Abstract db:InvestmentGradeBondsAbstract
3310 Government Concept (Monetary) As Of Debit db:GovernmentInvestmentGradeBonds
3311 Non-government bonds Concept (Monetary) As Of Debit db:NonGovernmentBondsInvestmentGradeBonds
3312 Non-investment-grade bonds Abstract db:NonInvestmentGradeBondsAbstract
3313 Government Concept (Monetary) As Of Debit db:GovernmentNonInvestmentGradeBonds
3314 Non-government bonds Concept (Monetary) As Of Debit db:NonGovernmentBondsNonInvestmentGradeBonds
3315 Structured products Concept (Monetary) As Of Debit db:StructuredProductsPlanAssetAllocation
3316 Insurance Concept (Monetary) As Of Debit db:InsurancePlanAssetAllocation
3317 Alternatives Abstract db:AlternativesAbstract
3318 Hedge funds Concept (Monetary) As Of Debit db:HedgeFunds
3319 Real estate Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
3320 Commodities Concept (Monetary) As Of Debit db:CommoditiesAlternatives
3321 Private equity Concept (Monetary) As Of Debit db:PrivateEquityAlternatives
3322 Other Concept (Monetary) As Of Debit db:AlternativesOther
3323 Derivatives (Market Value) [Abstract] Abstract db:DerivativesMarketValueAbstract
3324 Interest rate Concept (Monetary) As Of Credit db:InterestRateDerivatives
3325 Credit Concept (Monetary) As Of Debit db:CreditDerivatives
3326 Inflation Concept (Monetary) As Of db:InflationDerivatives
3327 Foreign exchange Concept (Monetary) As Of Debit db:ForeighExchangeDerivatives
3328 Other Concept (Monetary) As Of Debit db:DerivativesMarketValueOther
3329 Total fair value of quoted plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3330 53508 - Disclosure - Employee Benefits - Regional Asset Break Down (Detail) Network

*

*

 http://www.db.com/role/RegionalAssetBreakDown
3331 Regional Asset Break Down [Table] Table

*

*

 db:RegionalAssetBreakDownTable
3332 Regional Asset Break Down [Axis] Axis db:RegionalAssetBreakDownAxis
3333 Total countries [Domain Member] Member country:AllCountriesDomain
3334 Germany [Member] Member country:DE
3335 UK [Member] Member country:GB
3336 US [Member] Member country:US
3337 Other Eurozone [Member] Member db:OtherEurozoneMember
3338 Other developed countries [Member] Member db:OtherDevelopedCountriesMember
3339 Emerging markets [Member] Member db:EmergingMarketsMember
3340 Regional Asset Break Down [line items] LineItems db:RegionalAssetBreakDownLineItems
3341 Cash and cash equivalents, Plan Asset Allocation Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets
3342 Equity instruments Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
3343 Government bonds (investment-grade and above) Concept (Monetary) As Of Debit db:GovernmentBondsInvestmentGradeAndAbove
3344 Government bonds (non-investment-grade) Concept (Monetary) As Of Debit db:GovernmentBondsNonInvestmentGrade
3345 Non-government bonds (investment-grade and above) Concept (Monetary) As Of db:NonGovernmentBondsInvestmentGradeAndAbove
3346 Non-government bonds (non-investment-grade) Concept (Monetary) As Of db:NonGovernmentBondsNonInvestmentGrade
3347 Structured products, Regional Asset Break Down Concept (Monetary) As Of db:StructuredProducts
3348 Subtotal Concept (Monetary) As Of db:RegionalAssetBreakDownSubtotal
3349 Share (in %) Concept (Percent) As Of db:ShareRegionalAssetBreakDown
3350 Regional Asset Break Down, Other Concept (Monetary) As Of Debit ifrs-full:DescriptionOfAmountsOfOtherAssetsUsedByEntityIncludedInFairValueOfPlanAssets
3351 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3352 53509 - Disclosure - Employee Benefits - Sensitivity Analysis on Funded Status (Detail) Network

*

*

 http://www.db.com/role/SensitivityAnalysisOnFundedStatus
3353 Sensitivity Analysis on Funded Status [Table] Table

*

*

 db:SensitivityAnalysisOnFundedStatusTable
3354 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
3355 Total countries [Domain Member] Member country:AllCountriesDomain
3356 Germany [Member] Member country:DE
3357 UK [Member] Member country:GB
3358 US [Member] Member country:US
3359 Other [Member] Member db:OtherCountryMember
3360 Sensitivity Analysis on Funded Status [Axis] Axis db:SensitivityAnalysisOnFundedStatusAxis
3361 Sensitivity Analysis on Funded Status [Domain Member] Member db:SensitivityAnalysisOnFundedStatusDomainMember
3362 Discount rate (-50 bp) [Member] Member db:DiscountRatePlus50BPMember
3363 Discount rate (+50 bp) [Member] Member db:DiscountRateMinus50BPMember
3364 Credit spread (-50 bp) [Member] Member db:CreditSpreadMinus50BPMember
3365 Credit spread (+50 bp) [Member] Member db:CreditSpreadPlus50BPMember
3366 Rate of price inflation (-50 bp) [Member] Member db:RateOfPriceInflationMinus50BPMember
3367 Rate of price inflation (+50 bp) [Member] Member db:RateOfPriceInflationPlus50BPMember
3368 Rate of real increase in future compensation levels (-50 bp) [Member] Member db:RateOfRealIncreaseInFutureCompensationLevelsMinus50BPMember
3369 Rate of real increase in future compensation levels (+50 bp) [Member] Member db:RateOfRealIncreaseInFutureCompensationLevelsPlus50BPMember
3370 Longevity improvements by 10 percent [Member] Member db:LongevityImprovementsby10PercentMember
3371 Sensitivity Analysis on Funded Status [line items] LineItems db:SensitivityAnalysisOnFundedStatusLineItems
3372 (Increase) in DBO Concept (Monetary) As Of Credit db:IncreaseInDBO
3373 Expected increase in plan assets Concept (Monetary) As Of Debit db:ExpectedincreaseInPlanAssets
3374 Decrease in DBO Concept (Monetary) As Of Debit db:DecreaseInDBODiscountRate
3375 Expected (decrease) in plan assets Concept (Monetary) As Of Credit db:ExpectedDecreaseInPlanAssets
3376 Expected net impact on funded status (de-) increase Concept (Monetary) As Of Credit db:ExpectedNetImpactOnFundedStatusDeIncrease
3377 Decrease in DBO, net impact on funded status Concept (Monetary) As Of Debit db:DecreaseInDBONetImpactOnFundedStatus
3378 (Increase) in DBO, net impact on funded status Concept (Monetary) As Of Credit db:IncreaseInDBONetImpactOnFundedStatus
3379 53510 - Disclosure - Expected Cash Flows (Detail) Network

*

*

 http://www.db.com/role/ExpectedCashFlows
3380 Expected Cash Flows [Table] Table

*

*

 db:ExpectedCashFlowsTable
3381 Expected Cash Flows [Axis] Axis db:ExpectedCashFlowsAxis
3382 Expected Cash Flows [Domain Member] Member db:ExpectedCashFlowsDomainMember
3383 Total [Member] Member db:TotalMember
3384 Expected Cash Flows [Line Items] LineItems db:ExpectedCashFlowsLineItems
3385 Expected contributions to Abstract db:ExpectedContributionsToExpectedCashFlows
3386 Defined benefit plan assets, Expected Cash Flows next year Concept (Monetary) For Period Credit db:DefinedBenefitPlanAssetsExpectedCashFlows
3387 BVV, Expected Cash Flows Concept (Monetary) For Period Credit db:BVVExpectedCashFlows
3388 Pension fund for Postbank's postal civil servants, Expected Cash Flows Concept (Monetary) For Period Credit db:PensionFundForPostbanksPostalCivilServantsExpectedCashFlows
3389 Other defined contribution plans, Expected Cash Flows Concept (Monetary) For Period Credit db:OtherDefinedContributionPlansExpectedCashFlows
3390 Expected benefit payments for unfunded defined benefit plans, Expected Cash Flows Concept (Monetary) For Period Credit db:ExpectedBenefitPaymentsForUnfundedDefinedBenefitPlansExpectedCashFlows
3391 Expected cash flow related to post-employment benefits, Expected Cash Flows Concept (Monetary) For Period Credit db:ExpectedCashFlowRelatedToPostEmploymentBenefitsExpectedCashFlows
3392 53511 - Disclosure - Employee Benefits - Expenses for Defined Benefit Plans (Impact on Expense) (Detail) Network

*

*

 http://www.db.com/role/ExpensesForDefinedBenefitPlansImpactOnExpense
3393 Implied Table Table

*

*

 implied:Table
3394 Expenses for Defined Benefit Plans (Impact on Expense) Abstract db:ExpensesForDefinedBenefitPlansImpactOnExpense
3395 Expenses for defined benefit plans: Abstract db:ExpensesForDefinedBenefitPlansAbstract
3396 Service cost Concept (Monetary) For Period Debit db:ServiceCost
3397 Net interest cost (income) Concept (Monetary) For Period Debit db:NetInterestCostIncome
3398 Total expenses defined benefit plans Concept (Monetary) For Period Debit db:ExpensesForDefinedBenefitPlans
3399 Expenses defined benefit plans, remeasurement Concept (Monetary) For Period Debit ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
3400 Expenses for defined contribution plans: Abstract db:ExpensesForDefinedContributionPlansAbstract
3401 BVV Concept (Monetary) For Period Debit db:BVV
3402 Pension fund for Postbanks postal civil servants Concept (Monetary) For Period Debit db:PensionFundForPostbanksPostalCivilServants
3403 Other defined contribution plans Concept (Monetary) For Period Debit db:OtherDefinedContributionPlans
3404 Total expenses for defined contribution plans Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
3405 Total expenses for post-employment benefit plans Concept (Monetary) For Period Debit db:TotalExpensesForPostEmploymentBenefitPlans
3406 Employer contributions to mandatory German social security pension plan Concept (Monetary) For Period Debit db:EmployerContributionsToMandatoryGermanSocialSecurityPensionPlan
3407 Expenses for share-based payments: Abstract db:ExpensesForShareBasedPaymentsAbstract
3408 Expenses for share-based payments, equity settled Concept (Monetary) For Period Debit db:ExpensesForShareBasedPaymentsEquitySettled
3409 Expenses for share-based payments, cash settled Concept (Monetary) For Period Debit db:ExpensesForShareBasedPaymentsCashSettled
3410 Expenses for cash retention plans Concept (Monetary) For Period Debit db:ExpensesForCashRetentionPlans
3411 Expenses for severance payments Concept (Monetary) For Period Debit db:ExpensesForSeverancePayments
3412 53512 - Disclosure - Additional Parenthetical Information Note 35 (Detail: Text Values) Network

*

*

 http://www.db.com/role/AdditionalParentheticalInformationTextValues
3413 Implied Table Table

*

*

 implied:Table
3414 Additional Parenthtical Information [Abstract] Abstract db:AdditionalParentheticalInformationAbstract
3415 Liability raised due to share-based payment transactions in cash Concept (Monetary) As Of db:LiabilityRaisedDueToShareBasedPaymentTransactionsInCash
3416 Grant volume of outstanding share awards Concept (Monetary) As Of db:GrantVolumeOfOutstandingShareAwards
3417 thereof [Abstract] Abstract db:ThereofAbstract
3418 Recognized as compensation expense Concept (Monetary) As Of db:GrantVolumeOfOutstandingShareAwardsRecognizedAsCompensationExpense
3419 Not yet recognized Concept (Monetary) As Of db:GrantVolumeOfOutstandingShareAwardsNotYetRecognized
3420 Shares issued to plan participants in February 2019, resulting from the vesting of DB Equity Plan awards granted in prior years (in shares) Concept (Shares) As Of db:SharesIissuedToPlanParticipantsInFebruaryNextYearResultingFromTheVestingOfDBEquityPlanAwardsGrantedInPriorYearsInMillionShares
3421 of which: vesting cycles under the cash plan variant of this DB Equity Plan for February 2019 (in units) Concept (Shares) As Of db:SharesIssuedOfWhichVestingCyclesUnderTheCashPlanVariantOfThisDBEquityPlanForFebruaryNextYearInMillionUnits
3422 Shares issued to plan participants in March 2019, resulting from the vesting of DB Equity Plan awards granted in prior years (in shares) Concept (Shares) As Of db:SharesIissuedToPlanParticipantsInMarchNextYearResultingFromTheVestingOfDBEquityPlanAwardsGrantedInPriorYearsInMillionShares
3423 of which: vesting cycles under the cash plan variant of this DB Equity Plan for March 2019 (in units) Concept (Shares) As Of db:SharesIssuedOfWhichVestingCyclesUnderTheCashPlanVariantOfThisDBEquityPlanForMarchNextYearInMillionUnits
3424 DWS Share based Plans [Abstract] Abstract db:DWSShareBasedPlansAbstract
3425 Grant volume of outstanding share awards (approximately) Concept (Shares) As Of db:GrantVolumeOfOutstandingShareAwardsAapproximately
3426 of which: recognized as compensation expense Concept (Shares) As Of db:OutstandingShareAwardsAapproximatelyOfWhichRecognizedAsCompensationExpense
3427 of which: compensation expense for deferred share-based compensation not yet recognized (approximately) Concept (Shares) As Of db:OutstandingShareAwardsAapproximatelyOfWhichCompensationExpenseForDeferredShareBasedCompensationNotYetRecognizedApproximately
3428 Total defined benefit obligation for post-employment medical plans Concept (Monetary) As Of db:DefinedBenefitObligationForPostEmploymentMedicalPlans
3429 Range of defined benefit obligation by plan assets in percent [Abstract] Abstract db:RangeOfDefinedBenefitObligationByPlanAssetsInPercentAbstract
3430 Bottom of Range Concept (Percent) As Of db:RangeOfDefinedBenefitObligationByPlanAssetsInPercentBottomOfRange
3431 Top of Range Concept (Percent) As Of db:RangeOfDefinedBenefitObligationByPlanAssetsInPercentTopOfRange
3432 Other assets recognized in Net asset (liability) recognized Concept (Monetary) As Of db:OtherAssetsRecognizedInNetAssetLiabilityRecognized
3433 Other liabilities recognized in Net asset (liability) recognized Concept (Monetary) As Of db:OtherLiabilitiesRecognizedInNetAssetLiabilityRecognized
3434 Derivative transactions with Group entities with negative market value included in plan assets Concept (Monetary) As Of db:DerivativeTransactionsWithGroupEntitiesWithNegativeMarketValueIncludedInPlanAssets
3435 53601 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Detail) Network

*

*

 http://www.db.com/role/ComponentsOfIncomeTaxExpenseBenefit
3436 Implied Table Table

*

*

 implied:Table
3437 Components of Income Tax Expense (Benefit) Abstract db:ComponentsOfIncomeTaxExpenseBenefitAbstract
3438 Current tax expense (benefit): Abstract db:CurrentTaxExpenseBenefitAbstract
3439 Tax expense (benefit) for current year Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
3440 Adjustments for prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
3441 Total current tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
3442 Deferred tax expense (benefit): Abstract ifrs-full:DeferredTaxExpenseIncomeAbstract
3443 Origination and reversal of temporary difference, unused tax losses and tax credits Concept (Monetary) For Period Debit db:OriginationAndReversalOfTemporaryDifferenceUnusedTaxLossesAndTaxCredits
3444 Effect of changes in tax law and/or tax rate Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes
3445 Adjustments for prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
3446 Total deferred tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
3447 Total income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
3448 53601 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Detail: Text Values) Network

*

*

 http://www.db.com/role/ComponentsOfIncomeTaxExpenseBenefitParenthetical
3449 Implied Table Table

*

*

 implied:Table
3450 Components of Income Tax Expense (Benefit) Abstract db:ComponentsOfIncomeTaxExpenseBenefitAbstract
3451 Income tax expense (benefit) for policyholder tax attributable to policyholder earnings Concept (Monetary) For Period Debit db:IncomeTaxExpenseBenefitForPolicyholderTaxAttributableToPolicyholderEarnings
3452 Total current tax expense benefits from previously unrecognized tax losses, tax credits and deductible temporary differences Concept (Monetary) For Period Debit db:CurrentTaxExpenseBenefitsFromPreviouslyUnrecognizedTaxLossesTaxCreditsAndDeductibleTemporaryDifferences
3453 Reduction/(increase) of total deferred tax benefit due to previously unrecognized tax losses (tax credits/deductible tem-porary differences) and the reversal of previous write-downs of deferred tax assets and expenses arising from write-downs of deferred tax assets Concept (Monetary) For Period Debit db:ChangeOfTotalDeferredTaxBenefitDueToPreviouslyUnrecognizedTaxLossesTaxCreditsDeductibleTemPoraryDifferencesAndReversalOfPreviousWriteDownsOfDTAAndExpensesFromWriteDownsOfDTA
3454 One-time tax charge from the re-measurement of its U.S. deferred tax assets and liabilities (reduction in the U.S. federal statutory tax rate from 35% of 21%) Concept (Monetary) For Period Debit db:OneTimeTaxChargeFromTheRemeasurementOfItsUsDeferredTaxAssetsAndLiabilitiesReductionInTheUsFederalStatutoryTaxRate
3455 thereof: Recorded as income tax expense in net income Concept (Monetary) For Period Debit db:ThereofRecordedAsIncomeTaxExpenseInNetIncome
3456 thereof: Recorded directly in other comprehensive income Concept (Monetary) For Period Debit db:ThereofRecordedDirectlyInOtherComprehensiveIncome
3457 Domestic income tax rate used for calculating deferred tax assets and liabilities Concept (Percent) For Period db:DomesticIncomeTaxRateUsedForCalculatingDeferredTaxAssetsAndLiabilities
3458 From DB Group recognized deferred tax assets for entities which suffer a loss Concept (Monetary) For Period Debit db:FromDBGroupRecognizedDeferredTaxAssetsForEntitiesWhichSufferAloss
3459 Temporary differences associated with the Group's parent company's investments in subsidiaries, branches and associates and interests in joint ventures of which no deferred tax liabilities were recognized Concept (Monetary) For Period Debit db:TemporaryDifferencesAssociatedWithTheGroupsParentCompanysInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVenturesOfWhichNoDeferredTaxLiabilitiesWereRecognized
3460 53602 - Disclosure - Income Taxes - Analysis of the Difference between the Amount (Expected Tax Expense at Domestic Income Tax Rate vs. Actual Income Tax Expense) (Detail) Network

*

*

 http://www.db.com/role/AnalysisOfTheDifferenceBetweenTheAmountExpectedTaxExpenseAtDomesticIncomeTaxRateVsActualIncomeTaxExpense
3461 Implied Table Table

*

*

 implied:Table
3462 Analysis of the Difference between the Amount (Expected Tax Expense at Domestic Income Tax Rate vs. Actual Income Tax Expense) Abstract db:AnalysisOfTheDifferenceBetweenTheAmountExpectedTaxExpenseAtDomesticIncomeTaxRateVsActualIncomeTaxExpenseAbstract
3463 Expected tax expense (benefit) at domestic income tax rate of 31.3 % (31.3 % for 2017 and 2016) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
3464 Foreign rate differential Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
3465 Tax-exempt gains on securities and other income Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
3466 Loss (income) on equity method investments Concept (Monetary) For Period Debit db:LossIncomeOnEquityMethodInvestmentsAnalysisOfTheDifference
3467 Nondeductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
3468 Impairments of goodwill Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfImpairmentOfGoodwill
3469 Changes in recognition and measurement of deferred tax assets Concept (Monetary) For Period Debit db:ChangesInRecognitionAndMeasurementOfDeferredTaxAssetsAnalysisOfTheDifference
3470 Effect of changes in tax law and/or tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
3471 Effect related to share-based payments Concept (Monetary) For Period Debit db:EffectRelatedToShareBasedPaymentsAnalysisOfTheDifference
3472 Effect of policyholder tax Concept (Monetary) For Period Debit db:EffectOfPolicyholderTaxAnalysisOfTheDifference
3473 Other Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
3474 Actual income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
3475 53603 - Disclosure - Income Taxes - Income Tax Charged or Credited to Equity (Detail) Network

*

*

 http://www.db.com/role/IncomeTaxChargedOrCreditedToEquity
3476 Implied Table Table

*

*

 implied:Table
3477 Income Tax Charged or Credited to Equity Abstract db:IncomeTaxChargedOrCreditedToEquityAbstract
3478 Actuarial gains/losses related to defined benefit plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
3479 Net fair value gains (losses) attributable to credit risk related to financial liabilities designated as at fair value through profit or loss Concept (Monetary) For Period db:NetFairValueGainsLossesAttributableToCreditRiskRelatedToFinancialLiabilitiesDesignatedAsAtFairValueThroughProfitOrLossIncomeTaxCharged
3480 Financial assets available for sale: Abstract db:FinancialAssetsAvailableForSaleIncomeTaxChargedAbstract
3481 Unrealized net gains/losses arising during the period Concept (Monetary) For Period Debit db:UnrealizedNetGainsLossesArisingDuringThePeriodIncomeTaxChargedFinancialAssets
3482 Net gains/losses reclassified to profit or loss Concept (Monetary) For Period Debit db:NetGainsLossesReclassifiedToProfitOrLossIncomeTaxChargedFinancialAssets
3483 Financial assets mandatory at fair value through other comprehensive income: Abstract db:FinancialAssetsMandatoryAtFairValueThroughOtherComprehensiveIncomeIncomeTaxChargedAbstract
3484 Unrealized net gains/losses arising during the period Concept (Monetary) For Period db:UnrealizedNetGainsLossesArisingDuringThePeriodIncomeTaxCharged
3485 Realized net gains/losses arising during the period (reclassified to profit or loss) Concept (Monetary) For Period db:RealizedNetGainsLossesArisingDuringThePeriodReclassifiedToProfitOrLossIncomeTaxCharged
3486 Derivatives hedging variability of cash flows: Abstract db:DerivativesHedgingVariabilityOfCashFlowsIncomeTaxChargedAbstract
3487 Unrealized net gains/losses arising during the period Concept (Monetary) For Period Debit db:UnrealizedNetGainsLossesArisingDuringThePeriodDerivatives
3488 Net gains/losses reclassified to profit or loss Concept (Monetary) For Period Debit db:NetGainsLossesReclassifiedToProfitOrLossDerivatives
3489 Other equity movement: Abstract db:OtherEquityMovementIncomeTaxChargedAbstract
3490 Unrealized net gains/losses arising during the period Concept (Monetary) For Period Debit db:UnrealizedNetGainsLossesArisingDuringThePeriodOtherEquityMovement
3491 Net gains/losses reclassified to profit or loss Concept (Monetary) For Period Debit db:NetGainsLossesReclassifiedToProfitOrLossOtherEquityMovement
3492 Income taxes (charged) credited to other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
3493 Other income taxes (charged) credited to equity Concept (Monetary) For Period Debit ifrs-full:CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
3494 53604 - Disclosure - Income Taxes - Major Components of Gross Deferred Income Tax Assets and Liabilities (Detail) Network

*

*

 http://www.db.com/role/MajorComponentsOfGrossDeferredIncomeTaxAssetsAndLiabilities
3495 Implied Table Table

*

*

 implied:Table
3496 Major Components of Gross Deferred Income Tax Assets and Liabilities Abstract db:MajorComponentsOfGrossDeferredIncomeTaxAssetsAndLiabilitiesAbstract
3497 Deferred tax assets: Abstract db:DeferredTaxAssetsMajorComponentsOfGrossDeferredIncomeTax
3498 Unused tax losses Concept (Monetary) As Of Debit db:UnusedTaxLossesDeferredTaxAssets
3499 Unused tax credits Concept (Monetary) As Of Debit db:UnusedTaxCreditsDeferredTaxAssets
3500 Deductible temporary differences: Abstract db:DeductibleTemporaryDifferencesAbstract
3501 Trading activities Concept (Monetary) As Of Debit db:TradingActivitiesDeductibleTemporaryDifferences
3502 Employee benefits, including equity settled share based payments Concept (Monetary) As Of db:EmployeeBenefitsIncludingEquitySettledShareBasedPaymentsDeductableTemporaryDifferences
3503 Loans and borrowings, including allowance for loans Concept (Monetary) As Of db:LoansAndBorrowingsIncludingAllowanceForLoansDeductableTemporaryDifferences
3504 Fair value OCI (IFRS 9) Concept (Monetary) As Of db:FairValueOCIIFRS9DeductableTemporaryDifferences
3505 Intangible Assets Concept (Monetary) As Of db:IntangibleAssetsDeductableTemporaryDifferences
3506 Accrued interest expense Concept (Monetary) As Of db:AccruedInterestExpenseDeductableTemporaryDifferences
3507 Other assets Concept (Monetary) As Of Debit db:OtherAssetsDeductibleTemporaryDifferences
3508 Other provisions Concept (Monetary) As Of Debit db:OtherProvisionsDeductibleTemporaryDifferences
3509 Other liabilities Concept (Monetary) As Of Debit db:OtherLiabilitiesDeductibleTemporaryDifferences
3510 Total deferred tax assets pre offsetting Concept (Monetary) As Of Debit db:DeferredTaxAssetsPreOffsettingMajorComponents
3511 Deferred tax liabilities: Abstract db:DeferredTaxLiabilitiesMajorComponentsOfGrossDeferredIncomeTax
3512 Taxable temporary differences: Abstract db:TaxableTemporaryDifferencesAbstract
3513 Trading activities, including derivatives Concept (Monetary) As Of Credit db:TradingActivitiesIncludingDerivativesTaxableTemporaryDifferences
3514 Employee benefits, including equity settled share based payments Concept (Monetary) As Of db:EmployeeBenefitsIncludingEquitySettledShareBasedPaymentsTaxableTemporaryDifferences
3515 Loans and borrowings, including allowance for loans, Taxable temporary differences Concept (Monetary) As Of db:LoansAndBorrowingsIncludingAllowanceForLoansTaxableTemporaryDifferences
3516 Fair value OCI (IFRS 9) Concept (Monetary) As Of db:FairValueOCIIFRS9TaxableTemporaryDifferences
3517 Intangible Assets Concept (Monetary) As Of db:IntangibleAssetsTaxableTemporaryDifferences
3518 Other assets Concept (Monetary) As Of Credit db:OtherAssetsTaxableTemporaryDifferences
3519 Securities valuation Concept (Monetary) As Of db:SecuritiesValuationTaxableTemporaryDifferences
3520 Allowance for loan losses Concept (Monetary) As Of Credit db:AllowanceForLoanLossesTaxableTemporaryDifferences
3521 Other provisions Concept (Monetary) As Of Credit db:OtherProvisionsTaxableTemporaryDifferences
3522 Other liabilities Concept (Monetary) As Of Credit db:OtherLiabilitiesTaxableTemporaryDifferences
3523 Total deferred tax liabilities pre offsetting Concept (Monetary) As Of Credit db:DeferredTaxLiabilitiesPreOffsettingMajorComponents
3524 53605 - Disclosure - Income Taxes - After Offsetting, Deferred Tax Assets and Liabilities (Detail) Network

*

*

 http://www.db.com/role/AfterOffsettingDeferredTaxAssetsAndLiabilities
3525 Implied Table Table

*

*

 implied:Table
3526 After Offsetting, Deferred Tax Assets and Liabilities Abstract db:AfterOffsettingDeferredTaxAssetsAndLiabilitiesAbstract
3527 Presented as deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
3528 Presented as deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
3529 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
3530 53606 - Disclosure - Income Taxes - Items where no Deferred Tax Assets were recognized (Detail) Network

*

*

 http://www.db.com/role/ItemsWhereNoDeferredTaxAssetsWereRecognized
3531 Implied Table Table

*

*

 implied:Table
3532 Items where no Deferred Tax Assets were recognized Abstract db:ItemsWhereNoDeferredTaxAssetsWereRecognizedAbstract
3533 Deductible temporary differences Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
3534 Not expiring Concept (Monetary) As Of Debit db:NotExpiringItemsNoDeferredTaxAssetsUnusedTaxLosses
3535 Expiring in subsequent period Concept (Monetary) As Of Debit db:ExpiringInSubsequentPeriodNoDeferredTaxAssetsUnusedTaxLosses
3536 Expiring after subsequent period Concept (Monetary) As Of Debit db:ExpiringAfterSubsequentPeriodNoDeferredTaxAssetsUnusedTaxLosses
3537 Unused tax losses Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
3538 Expiring in subsequent period Concept (Monetary) As Of Debit db:ExpiringInSubsequentPeriodNoDeferredTaxAssetsUnusedTaxCredits
3539 Expiring after subsequent period Concept (Monetary) As Of Debit db:ExpiringAfterSubsequentPeriodNoDeferredTaxAssetsUnusedTaxCredits
3540 Unused tax credits Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
3541 53701 - Disclosure - Derivatives - Value of Derivatives held as Fair Value Hedges (Detail) Network

*

*

 http://www.db.com/role/ValueOfDerivativesHeldAsFairValueHedges
3542 Value of Derivatives held as Fair Value Hedges [Table] Table

*

*

 db:ValueOfDerivativesHeldAsFairValueHedgesTable
3543 Value of Derivatives held as Fair Value Hedges [Axis] Axis db:ValueOfDerivativesHeldAsFairValueHedgesAxis
3544 Value of Derivatives held as Fair Value Hedges [Domain Member] Member db:ValueOfDerivativesHeldAsFairValueHedgesDomainMember
3545 Derivatives held as Fair Value Hedges [Member] Member db:DerivativesHeldAsFairValueHedgesMember
3546 Value of Derivatives held as Fair Value Hedges [line items] LineItems db:ValueOfDerivativesHeldAsFairValueHedgesLineItems
3547 Assets Concept (Monetary) As Of Debit ifrs-full:HedgingInstrumentAssets
3548 Liabilities Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
3549 Nominal amount Concept (Monetary) As Of db:NominalAmountOfHedgingInstrumentHedges
3550 Fair value changes used for hedge effectiveness Concept (Monetary) As Of db:FairValueChangesUsedForHedgeEffectiveness
3551 Hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
3552 53702 - Disclosure - Derivatives - Fair Value Hedges (Detail) Network

*

*

 http://www.db.com/role/FairValueHedges
3553 Fair Value Hedges [Table] Table

*

*

 db:FairValueHedgesTable
3554 Fair Value Hedges [Axis] Axis db:FairValueHedgesAxis
3555 Fair Value Hedges [Domain Member] Member ifrs-full:FairValueHedgesMember
3556 Carrying amount of Financial instruments designated as fair value hedges [Member] Member db:CarryingAmountOfFinancialInstrumentsDesignatedAsFairValueHedgesMember
3557 Accumulated amount of fair value hedge adjustments - Total [Member] Member db:AccumulatedAmountOfFairValueHedgeAdjustmentsTotalMember
3558 Accumulated amount of fair value hedge adjustments - Terminated hedge relationships [Member] Member db:AccumulatedAmountOfFairValueHedgeAdjustmentsTerminatedHedgeRelationshipsMember
3559 Fair Value changes used for hedge effectiveness [Member] Member db:FairValueChangesUsedForHedgeEffectivenessMember
3560 Hedged Items [Axis] Axis ifrs-full:HedgedItemsAxis
3561 Hedged Items [Domain Member] Member ifrs-full:HedgedItemsMember
3562 Assets [Member] Member db:HedgedItemAssetsMember
3563 Liabilities [Member] Member db:HedgedItemLiabilitiesMember
3564 Fair Value Hedges [Line Items] LineItems db:FairValueHedgesLineItems
3565 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
3566 Loans at amortized cost Concept (Monetary) As Of Debit db:Loans
3567 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
3568 Other Assets/ Liabilities Concept (Monetary) As Of db:OtherAssetsOtherLiabilities
3569 53703 - Disclosure - Derivatives - Value of Derivatives held as Cash Flow Hedges (Detail) Network

*

*

 http://www.db.com/role/ValueOfDerivativesHeldAsCashFlowHedges
3570 Value of Derivatives held as Cash Flow Hedges [Table] Table

*

*

 db:ValueOfDerivativesHeldAsCashFlowHedgesTable
3571 Value of Derivatives held as Cash Flow Hedges [Axis] Axis db:ValueOfDerivativesHeldAsCashFlowHedgesAxis
3572 Value of Derivatives held as Cash Flow Hedges [Domain Member] Member db:ValueOfDerivativesHeldAsCashFlowHedgesDomainMember
3573 Derivatives held as Cash Flow Hedges [Member] Member db:DerivativesHeldAsCashFlowHedgesMember
3574 Value of Derivatives held as Cash Flow Hedges [line items] LineItems db:ValueOfDerivativesHeldAsCashFlowHedgesLineItems
3575 Assets Concept (Monetary) As Of Debit ifrs-full:HedgingInstrumentAssets
3576 Liabilities Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
3577 Nominal amount Concept (Monetary) As Of db:NominalAmountOfHedgingInstrumentHedges
3578 Fair value changes used for hedge effectiveness Concept (Monetary) As Of db:FairValueChangesUsedForHedgeEffectiveness
3579 53704 - Disclosure - Derivatives - Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) (Detail) Network

*

*

 http://www.db.com/role/CashFlowHedgesSchedulePeriodeExpectedToOccurAndToAffectTheIncomeStatement
3580 Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) [Table] Table

*

*

 db:CashFlowHedgesSchedulePeriodeExpectedToOccurAndToAffectTheIncomeStatementTable
3581 Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) [Axis] Axis db:CashFlowHedgesSchedulePeriodeExpectedToOccurAndToAffectTheIncomeStatementAxis
3582 Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) [Domain Member] Member db:CashFlowHedgesSchedulePeriodeExpectedToOccurAndToAffectTheIncomeStatementDomainMember
3583 Within 1 year [Member] Member ifrs-full:NotLaterThanOneYearMember
3584 1-3 years Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
3585 3-5 years Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
3586 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
3587 Cash Flow Hedges Schedule (Period expected to occur and to affect the Income Statement) [Line Items] LineItems db:CashFlowHedgesSchedulePeriodeExpectedToOccurAndToAffectTheIncomeStatementLineItems
3588 As of Abstract db:AsOfDateCashFlowHedgesScheduleAbstract
3589 Cash inflows from assets Concept (Monetary) For Period Debit db:ExpectedCashInflowsAssetsHedged
3590 Cash outflows from liabilities Concept (Monetary) For Period Credit db:ExpectedCashOutflowsLiabilitiesHedged
3591 Net cash flows Concept (Monetary) For Period Debit db:ExpectedCashFlowsNetHedged
3592 53705 - Disclosure - Derivatives - Cash Flow Hedge Balances (Detail) Network

*

*

 http://www.db.com/role/CashFlowHedgeBalances
3593 Implied Table Table

*

*

 implied:Table
3594 Cash Flow Hedge Balances Abstract db:CashFlowHedgeBalancesAbstract
3595 Reported in Equity Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedgesContinuingHedges
3596 thereof relates to terminated programs Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedgesHedgingRelationshipsForWhichHedgeAccountingIsNoLongerApplied
3597 Gains (losses) posted to equity for the year ended Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
3598 Gains (losses) removed from equity for the year ended Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
3599 Ineffectiveness recorded within P&L Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnIneffectivenessOfCashFlowHedgesRecognisedInProfitOrLoss
3600 53705 - Disclosure - Derivatives - Cash Flow Hedge Balances (Detail: Text Values) Network

*

*

 http://www.db.com/role/CashFlowHedgeBalancesParenthetical
3601 Implied Table Table

*

*

 implied:Table
3602 Cash Flow Hedge Balances Abstract db:CashFlowHedgeBalancesAbstract
3603 Gains (losses) recognized on the hedging instruments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnHedgingInstrument
3604 Gains (losses) on the hedged items, which were attributable to the hedged risk Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnHedgedItemAttributableToHedgedRisk
3605 Losses recognized due to hedge ineffectiveness which includes the forward points element of the hedging instruments Concept (Monetary) As Of db:LossesRecognizedDueToHedgeIneffectivenessWhichIncludesTheForwardPointsElementOfTheHedgingInstruments
3606 Average foreign currency rate for the Groups foreign currency Euro/USD swap portfolio Concept (Pure) As Of db:AverageForeignCurrencyRateForTheGroupsForeignCurrencyEuroUSDSwapPortfolio
3607 53706 - Disclosure - Derivatives - Value of Derivatives held as Net Investment Hedges (Detail) Network

*

*

 http://www.db.com/role/ValueOfDerivativesHeldAsNetInvestmentHedges
3608 Value of Derivatives held as Net Investment Hedges [Table] Table

*

*

 db:ValueOfDerivativesHeldAsNetInvestmentHedgesTable
3609 Value of Derivatives held as Net Investment Hedges [Axis] Axis db:ValueOfDerivativesHeldAsNetInvestmentHedgesAxis
3610 Value of Derivatives held as Net Investment Hedges [Domain Member] Member db:ValueOfDerivativesHeldAsNetInvestmentHedgesDomainMember
3611 Derivatives Held as Net Investment Hedges [Member] Member db:DerivativesHeldAsNetInvestmentHedgesMember
3612 Value of Derivatives held as Net Investment Hedges [Line Items] LineItems db:ValueOfDerivativesHeldAsNetInvestmentHedgesLineItems
3613 Assets Concept (Monetary) As Of Debit ifrs-full:HedgingInstrumentAssets
3614 Liabilities Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
3615 Nominal amount Concept (Monetary) As Of db:NominalAmountOfHedgingInstrumentHedges
3616 Fair value changes used for hedge effectiveness Concept (Monetary) As Of db:FairValueChangesUsedForHedgeEffectiveness
3617 Fair value changes recognised in Equity Concept (Monetary) As Of db:FairValueChangesRecognisedInEquity
3618 Hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
3619 53707 - Disclosure - Derivatives - Profile of NIH hedging instruments (Detail) Network

*

*

 http://www.db.com/role/ProfileOfNIHHedgingInstruments
3620 Profile of NIH hedging instruments [Table] Table

*

*

 db:ProfileOfNIHHedgingInstrumentsTable
3621 Profile of NIH hedging instruments [Axis] Axis db:ProfileOfNIHHedgingInstrumentsAxis
3622 Profile of NIH hedging instruments [Domain Member] Member db:ProfileOfNIHHedgingInstrumentsDomainMember
3623 Within 1 year [Member] Member ifrs-full:NotLaterThanOneYearMember
3624 1-3 years Member ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
3625 3-5 years Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
3626 Over 5 years Member ifrs-full:LaterThanFiveYearsMember
3627 Profile of NIH hedging instruments [Line Items] LineItems db:ProfileOfNIHHedgingInstrumentsLineItems
3628 As of Abstract db:AsOfDateProfileOfNIHHedgingInstrumentsAbstract
3629 Nominal amount Foreign exchange forwards Concept (Monetary) As Of db:NominalAmountForeignExchangeForwards
3630 Nominal amount Foreign exchange swaps Concept (Monetary) As Of db:NominalAmountForeignExchangeSwaps
3631 Total Concept (Monetary) As Of db:lNetCashFlows
3632 53801 - Disclosure - Related Party Transactions - Compensation Expense of Key Management Personnel (Detail) Network

*

*

 http://www.db.com/role/CompensationExpenseOfKeyManagementPersonnel
3633 Implied Table Table

*

*

 implied:Table
3634 Compensation Expense of Key Management Personnel [Abstract] Abstract db:CompensationExpenseOfKeyManagementPersonnelAbstract
3635 Short-term employee benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
3636 Post-employment benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
3637 Other long-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
3638 Termination benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationTerminationBenefits
3639 Share-based payment Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
3640 Total Concept (Monetary) For Period Debit db:CompensationExpenseOfKeyManagementPersonnel
3641 53801 - Disclosure - Related Party Transactions - Compensation Expense of Key Management Personnel (Detail: Text Values) Network

*

*

 http://www.db.com/role/CompensationExpenseOfKeyManagementPersonnelParenthetical
3642 Implied Table Table

*

*

 implied:Table
3643 Compensation Expense of Key Management Personnel [Abstract] Abstract db:CompensationExpenseOfKeyManagementPersonnelAbstract
3644 Aggregated compensation for employee representatives and former management board members on the Supervisory Board paid for their services as employees of Deutsche Bank or status as former employees (retirement, pension and deferred compensation) Concept (Monetary) For Period Debit db:CompensationForEmployeeRepresentativesAndFormerManagementBoardMembersOnSupervisoryBoardForServicesAsEmployeesOrStatusAsFormerEmployeesRetirementPensionAndDeferredCompensation
3645 Issued loans and commitments to key management personnel Concept (Monetary) As Of Debit db:IssuedLoansAndCommitmentsToKeyManagementPersonnel
3646 Received deposits from key management personnel Concept (Monetary) As Of Credit db:ReceivedDepositsFromKeyManagementPersonnel
3647 Loans past due from transactions with subsidiaries, joint ventures and associates Concept (Monetary) As Of db:LoansPastDueFromTransactionsWithSubsidiariesJointVenturesAndAssociates
3648 Collaterals held for loans from transactions with subsidiaries, joint ventures and associates Concept (Monetary) As Of db:CollateralsHeldForLoansFromTransactionsWithSubsidiariesJointVenturesAndAssociates
3649 Trading assets and positive market values from derivative financial transactions with associated companies Concept (Monetary) As Of db:TradingAssetsAndPositiveMarketValuesFromDerivativeFinancialTransactionsWithAssociatedCompanies
3650 Trading liabilities and negative market values from derivative financial transactions with associated companies Concept (Monetary) As Of db:TradingLiabilitiesAndNegativeMarketValuesFromDerivativeFinancialTransactionsWithAssociatedCompanies
3651 Remeasurement gain due to discontinuation of significant influence over the equity method investment in TradeWeb Markets LLC Concept (Monetary) As Of db:RemeasurementGainDueToDiscontinuationOfSignificantInfluenceOverTheEquityMethodInvestmentInTradeWebMarketsLLC
3652 53802 - Disclosure - Related Party Transactions - Transactions with Subsidiaries, Joint Ventures and Associates - Loans (Detail) Network

*

*

 http://www.db.com/role/LoansTransactionsWithSubsidiariesJointVenturesAndAssociates
3653 Implied Table Table

*

*

 implied:Table
3654 Loans (Transactions with Subsidiaries, Joint Ventures and Associates) Abstract db:LoansTransactionsWithSubsidiariesJointVenturesAndAssociatesAbstract
3655 Loans outstanding, beginning of year Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
3656 Movement in loans during the period Concept (Monetary) For Period Debit db:MovementInLoansDuringThePeriod
3657 Changes in the group of consolidated companies Concept (Monetary) For Period Debit db:ChangesInTheGroupOfConsolidatedCompaniesLoans
3658 Exchange rate changes/other Concept (Monetary) For Period Debit db:ExchangeRateChangesOtherLoans
3659 Loans outstanding, end of year Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
3660 Other credit risk related transactions: Abstract db:OtherCreditRiskRelatedTransactionsAbstract
3661 Allowance for loan losses Concept (Monetary) As Of Credit db:AllowanceForLoanLosses
3662 Provision for loan losses Concept (Monetary) As Of Credit ifrs-full:ProvisionsForDoubtfulDebtsRelatedToOutstandingBalancesOfRelatedPartyTransaction
3663 Guarantees and commitments Concept (Monetary) As Of Credit ifrs-full:OutstandingCommitmentsMadeOnBehalfOfEntityRelatedPartyTransactions
3664 53803 - Disclosure - Related Party Transactions - Transactions with Subsidiaries, Joint Ventures and Associates - Deposits (Detail) Network

*

*

 http://www.db.com/role/DepositsTransactions with Subsidiaries, Joint Ventures and Associates
3665 Implied Table Table

*

*

 implied:Table
3666 Deposits (Transactions with Subsidiaries, Joint Ventures and Associates) Abstract db:DepositsTransactionsWithSubsidiariesJointVenturesAndAssociatesAbstract
3667 Deposits outstanding, beginning of year Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
3668 Movement in deposits during the period Concept (Monetary) For Period db:MovementInDepositsDuringThePeriod
3669 Changes in the group of consolidated companies Concept (Monetary) For Period db:ChangesInTheGroupOfConsolidatedCompaniesDeposits
3670 Exchange rate changes/other Concept (Monetary) For Period db:ExchangeRateChangesOtherDeposits
3671 Deposits outstanding, end of year Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
3672 53804 - Disclosure - Related Party Transactions - Summary of Transactions with Related Party Pension Plans (Detail) Network

*

*

 http://www.db.com/role/SummaryOfTransactionsWithRelatedPartyPensionPlans
3673 Implied Table Table

*

*

 implied:Table
3674 Summary of Transactions with Related Party Pension Plans Abstract db:SummaryOfTransactionsWithRelatedPartyPensionPlansAbstract
3675 Equity shares issued by the Group held in plan assets Concept (Monetary) As Of Debit db:EquitySharesIssuedByTheGroupHeldInPlanAssets
3676 Other assets Concept (Monetary) As Of Debit db:OtherAssetsTransactionswithPensionPlans
3677 Fees paid from plan assets to asset managers of the Group Concept (Monetary) As Of Debit db:FeesPaidFromPlanAssetsToAssetManagersOfTheGroup
3678 Market value of derivatives with a counterparty of the Group Concept (Monetary) As Of Debit db:MarketValueOfDerivativesWithACounterpartyOfTheGroup
3679 Notional amount of derivatives with a counterparty of the Group Concept (Monetary) As Of Debit db:NotionalAmountOfDerivativesWithACounterpartyOfTheGroup
3680 53901 - Disclosure - Subsidiaries with significant non-controlling interests (Detail) Network

*

*

 http://www.db.com/role/SubsidiariesWithSignificantNonControllingInterests
3681 Subsidiaries with significant non-controlling interests [Table] Table

*

*

 db:SubsidiariesWithSignificantNonControllingInterestsTable
3682 Subsidiaries with significant non-controlling interests [Axis] Axis db:SubsidiariesWithSignificantNonControllingInterestsAxis
3683 Subsidiaries with significant non-controlling interests [Domain Member] Member db:SubsidiariesWithSignificantNonControllingInterestsDomainMember
3684 DWS Group GmbH and Co. KGaA [Member] Member db:DWSGroupGmbHAndCoKGaAMember
3685 Subsidiaries with significant non-controlling interests [Line Items] LineItems db:SubsidiariesWithSignificantNonControllingInterestsLineItems
3686 Proportion of ownership interests and voting rights held by non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
3687 Place of business Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusiness
3688 Net income (loss) attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
3689 Accumulated non-controlling interests of the subsidiary Concept (Monetary) As Of db:AccumulatedNonControllingInterestsOfTheSubsidiary
3690 Dividends paid to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
3691 Summarised financial information [Abstract] Abstract db:SummarisedFinancialInformationAbstract
3692 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
3693 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
3694 Total net revenues Concept (Monetary) As Of db:NetRevenues
3695 Net income (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
3696 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
3697 53902 - Disclosure - Information on Subsidiaries - Carrying Amounts of Assets and Liabilities to which Restrictions Apply (Detail) Network

*

*

 http://www.db.com/role/CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApply
3698 Carrying Amounts of Assets and Liabilities to which Restrictions Apply [Table] Table

*

*

 db:CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApplyTable
3699 Carrying Amounts of Assets and Liabilities to which Restrictions Apply [Axis] Axis db:CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApplyAxis
3700 Carrying Amounts of Assets and Liabilities to which Restrictions Apply [Domain Member] Member db:CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApplyDomainMember
3701 Total assets [Member] Member ifrs-full:CarryingAmountMember
3702 Restricted assets [Member] Member db:RestrictedAssetsMember
3703 Carrying Amounts of Assets and Liabilities to which Restrictions Apply [line items] LineItems db:CarryingAmountsOfAssetsAndLiabilitiesToWhichRestrictionsApplyLineItems
3704 Interest-earning deposits with banks Concept (Monetary) As Of Debit db:InterestEarningDepositsWithBanks
3705 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3706 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
3707 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
3708 Loans Concept (Monetary) As Of Debit db:Loans
3709 Other Concept (Monetary) As Of Debit db:OtherAssetsAndLiabilitiesToWhichRestrictionsApply
3710 Total Concept (Monetary) As Of Debit ifrs-full:Assets
3711 53903 - Disclosure - Information on Subsidiaries - Parenthetical Information Note 39 (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNoteThirtyNineParenthetical
3712 Implied Table Table

*

*

 implied:Table
3713 Information on Subsidiaries [Abstract] Abstract db:InformationOnSubsidiariesAbstract
3714 Number of consolidated entities in the Group Concept (Pure) As Of db:NumberOfconsolidatedEntitiesInTheGroup
3715 Number of consolidated structured entities in the Group Concept (Pure) As Of db:NumberOfConsolidatedStructuredEntitiesInTheGroup
3716 Number of entities controlled by the Group are directly or indirectly held by the Group at 100 % of the ownership interests (share of capital) Concept (Pure) As Of db:NumberOfEntitiesControlledByTheGroupAreDirectlyOrIndirectlyHeldByTheGroupAt100PercentOfTheOwnershipInterestsShareOfCapital
3717 Number of consolidated entities third parties also hold ownership interests (noncontrolling interests) Concept (Pure) As Of db:NumberOfConsolidatedEntitiesThirdPartiesAlsoHoldOwnershipInterestsNnoncontrollingInterests
3718 Restricted liquidity reserves in EUR b. Concept (Monetary) As Of Credit db:RestrictedLiquidityReservesInEURB
3719 54001 - Disclosure - Structured Entities - Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests (Detail) Network

*

*

 http://www.db.com/role/CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDBsInterests
3720 Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests [Table] Table

*

*

 db:CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDbsInterestsTable
3721 Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests [Axis] Axis db:CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDbsInterestsAxis
3722 Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests [Domain Member] Member db:CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDbsInterestsDomainMember
3723 Repackaging and Investment Entities [Member] Member db:RepackagingAndInvestmentEntitiesMember
3724 Third Party Funding Entities [Member] Member db:ThirdPartyFundingEntitiesMember
3725 Securitizations [Member] Member db:SecuritizationsMember
3726 Funds [Member] Member db:FundsMember
3727 Total [Member] Member db:TotalMember
3728 Carrying amounts of assets & liabilities recognised in its financial statements relating to DBs interests [Line Items] LineItems db:CarryingAmountsOfAssetsAndLiabilitiesRecognisedInItsFinancialStatementsRelatingToDbsInterestsLineItems
3729 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
3730 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
3731 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
3732 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
3733 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
3734 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3735 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
3736 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
3737 Non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of db:NonTradingFinancialAssetsMandatoryAtFairValueThroughProfilAndLoss
3738 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
3739 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
3740 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
3741 Loans Concept (Monetary) As Of Debit db:Loans
3742 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
3743 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
3744 Liabilities [Abstract] Abstract ifrs-full:LiabilitiesAbstract
3745 Total financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
3746 Negative market values from derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
3747 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
3748 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
3749 Off-balance sheet exposure Concept (Monetary) As Of db:OffBalanceSheetExposure
3750 Total Concept (Monetary) As Of Credit db:LiabilitiesAndOffBalanceSheetexposure
3751 Size of structured entity Concept (Monetary) As Of Debit db:SizeOfStructuredEntity
3752 54001 - Disclosure - Structured Entities - Parenthetical Information Note 40 (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationNote40Parenthetical
3753 Implied Table Table

*

*

 implied:Table
3754 Structured Entities [Abstract] Abstract db:StructuredEntitiesAbstract
3755 Outstanding loan commitments to securitization vehicles Concept (Monetary) As Of db:OutstandingLoanCommitmentsToSecuritizationVehicles
3756 Notional value of liquidity facilities and guarantees provided to consolidated funds Concept (Monetary) As Of db:NotionalValueOfLiquidityFacilitiesAndGuaranteesProvidedToConsolidatedFunds
3757 Notional related to positive replacement values of derivatives to unconsolidated structured entities Concept (Monetary) As Of db:NotionalRelatedToPositiveReplacementValuesOfDerivativesToUnconsolidatedStructuredEntities
3758 Notional related to negative replacement values of derivatives to unconsolidated structured entities Concept (Monetary) As Of db:NotionalRelatedToNegativeReplacementValuesOfDerivativesToUnconsolidatedStructuredEntities
3759 Notional related to off balance sheet commitments to unconsolidated structured entities Concept (Monetary) As Of db:NotionalRelatedToOffBalanceSheetCommitmentsToUnconsolidatedStructuredEntities
3760 Total trading assets Concept (Monetary) As Of db:TradingAssetsStructuredEntities
3761 thereof [Abstract] Abstract db:ThereofAbstract
3762 Securitizations Concept (Monetary) As Of db:Securitizations
3763 Funds structured entities Concept (Monetary) As Of db:FundsStructuredEntities
3764 Loans consisting of investments in securitization tranches and financing to Third party funding entities Concept (Monetary) As Of db:LoansConsistingOfInvestmentsInSecuritizationTranchesAndFinancingToThirdPartyFundingEntities
3765 Other assets primarily consisting of prime brokerage receivables and cash margin balances Concept (Monetary) As Of db:OtherAssetsPrimarilyConsistingOfPrimeBrokerageReceivablesAndCashMarginBalances
3766 Gross revenues from sponsored entities where the Group did not hold an interest Concept (Monetary) For Period Credit db:GrossRevenuesFromSponsoredEntitiesWhereTheGroupDidNotHoldAnInterest
3767 Aggregated carrying amounts of assets transferred to sponsored unconsolidated structured entities for securitization Concept (Monetary) As Of db:AggregatedCarryingAmountsOfAssetsTransferredToSponsoredUnconsolidatedStructuredEntitiesForSecuritization
3768 Aggregated carrying amounts of assets transferred to sponsored unconsolidated structured entities for repackaging and investment entities Concept (Monetary) As Of db:AggregatedCarryingAmountsOfAssetsTransferredToSponsoredUnconsolidatedStructuredEntitiesForRepackagingAndInvestmentEntities
3769 54101 - Disclosure - Current and Non-Current Assets (actual & previous) (Detail) Network

*

*

 http://www.db.com/role/CurrentAndNonCurrentAssetsActualAndPrevious
3770 Current and Non-Current Assets (actual & previous) [Table] Table

*

*

 db:CurrentAndNonCurrentAssetsActualAndPreviousTable
3771 Current and Non-Current Assets (actual & previous) [Axis] Axis db:CurrentAndNonCurrentAssetsActualAndPreviousAxis
3772 Current and Non-Current Assets (actual & previous) [Domain Member] Member db:CurrentAndNonCurrentAssetsActualAndPreviousDomainMember
3773 Amounts recovered or settled within one year [Member] Member ifrs-full:NotLaterThanOneYearMember
3774 Amounts recovered or settled after one year [Member] Member ifrs-full:LaterThanOneYearMember
3775 Total [Member] Member db:TotalMember
3776 Current and Non-Current Assets (actual & previous) [Line Items] LineItems db:CurrentAndNonCurrentAssetsActualAndPreviousLineItems
3777 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
3778 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
3779 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
3780 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
3781 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3782 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
3783 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
3784 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
3785 Loans Concept (Monetary) As Of Debit db:Loans
3786 Securities held to maturity Concept (Monetary) As Of Debit db:SecuritiesHeldToMaturity
3787 Property and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
3788 Goodwill and other intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
3789 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
3790 Assets for current tax Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
3791 Total assets before deferred tax assets Concept (Monetary) As Of Debit db:AssetsBeforeDeferredTaxAssets
3792 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
3793 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
3794 54102 - Disclosure - Current and Non-Current Liabilities (actual & previous) (Detail) Network

*

*

 http://www.db.com/role/CurrentAndNonCurrentLiabilitiesActualAndPrevious
3795 Current and Non-Current Liabilities (actual & previous) [Table] Table

*

*

 db:CurrentAndNonCurrentLiabilitiesActualAndPreviousTable
3796 Current and Non-Current Liabilities (actual & previous) [Axis] Axis db:CurrentAndNonCurrentLiabilitiesActualAndPreviousAxis
3797 Current and Non-Current Liabilities (actual & previous) [Domain Member] Member db:CurrentAndNonCurrentLiabilitiesActualAndPreviousDomainMember
3798 Amounts recovered or settled within one year [Member] Member ifrs-full:NotLaterThanOneYearMember
3799 Amounts recovered or settled after one year [Member] Member ifrs-full:LaterThanOneYearMember
3800 Total [Member] Member db:TotalMember
3801 Current and Non-Current Liabilities (actual & previous) [Line Items] LineItems db:CurrentAndNonCurrentLiabilitiesActualAndPreviousLineItems
3802 Deposits Concept (Monetary) As Of Credit db:Deposits
3803 Central bank funds purchased and securities sold under repurchase agreements Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedAndSecuritiesSoldUunderRepurchaseAgreements
3804 Securities loaned Concept (Monetary) As Of Credit db:SecuritiesLoaned
3805 Financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
3806 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
3807 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
3808 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
3809 Liabilities for current tax Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
3810 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
3811 Trust preferred securities Concept (Monetary) As Of Credit db:TrustPreferredSecurities
3812 Total liabilities before deferred tax liabilities Concept (Monetary) As Of Credit db:LiabilitiessBeforeDeferredTaxLiabilities
3813 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
3814 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
3815 54300 - Disclosure - Parenthetical Information Regulatory Capital (Detail: Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationRegulatoryCapitalTextValues
3816 Implied Table Table

*

*

 implied:Table
3817 Parenthetical Information Regulatory Capital [Abstract] Abstract db:ParentheticalInformationRegulatoryCapitalAbstract
3818 Recognition cap in 2018 Concept (Percent) As Of db:CapitalInstrumentsPhaseout2013To2022RecognitionCap
3819 Cap decrease from 2019 to 2020 per year Concept (Percent) For Period db:CapitalInstrumentsPhaseout2013To2022AnnualDecrease
3820 Buy-back of shares (in shares) [Abstract] Abstract db:BuyBackOfSharesAbstract
3821 Approval from the Annual General Meeting (AGM) Concept (Shares) As Of db:ShareBuyBackAuthorizedByAGM
3822 Thereof: can be purchased by using derivatives Concept (Shares) As Of db:ShareBuyBackAuthorizedByAGMWithDerivatives
3823 Included: derivatives with a maturity exceeding 18 months Concept (Shares) As Of db:ShareBuyBackAuthorizedByAGMIncludedDerivativesWithAMaturityExceeding18Months
3824 Buy-back of shares end of period AGM Concept (Shares) For Period db:ShareBuyBackExecutedSinceAGM
3825 Thereof: through exercise of call options Concept (Shares) For Period db:ShareBuyBackExecutedSinceAGMDerivatives
3826 Number of shares held in Treasury from buybacks as of 2018 AGM Concept (Shares) As Of db:ShareBuyBackHeldInTreasuryAtAGM
3827 Purchase of call options on Deutsche Bank shares under the 2016 AGM authorization to hedge the risk of a rising share price Concept (Shares) For Period db:ShareBuyBackAuthorizedByAGMHeadgingByOptions
3828 Number of shares held in Treasury from buybacks as of end of period Concept (Shares) As Of db:ShareBuyBackHeldInTreasuryAtAGMDecember312017
3829 Capital increase [Abstract] Abstract db:CapitalIncreaseAbstract
3830 Increase of number of common shares of Deutsche Bank AG in shares Concept (Shares) For Period db:CapitalIncreaseNumberOfSharesIssued
3831 Number of common shares of Deutsche Bank AG before capital increase in shares Concept (Shares) As Of db:CapitalIncreaseNumberOfSharesBefore
3832 Number of common shares of Deutsche Bank AG after capital increase in shares Concept (Shares) As Of db:CapitalIncreaseNumberOfSharesAfter
3833 Gross proceeds Concept (Monetary) For Period Credit db:CapitalIncreaseGrossProceeds
3834 Net proceeds Concept (Monetary) For Period Credit db:CapitalIncreaseNetProceeds
3835 Authorized capital available to the Management Board Concept (Monetary) As Of Credit db:VolumeOfSharesAuthorised
3836 Authorized capital available to the Management Board in shares Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
3837 Conditional capital against cash Concept (Monetary) As Of Credit db:ConditionalCapitalVolume
3838 Conditional capital against cash in shares Concept (Shares) As Of db:ConditionalCapitalNumber
3839 Additional conditional capital for equity compensation Concept (Monetary) As Of Credit db:ConditionalCapitalVolumeForEquityCompensation
3840 Additional conditional capital for equity compensation in shares Concept (Shares) As Of db:ConditionalCapitalNumberForEquityCompensation
3841 Authorized issuance of participatory notes and other Hybrid Debt Securities qualify as Additional Tier 1 capital with an equivalent value in EUR Concept (Monetary) As Of db:AuthorizedIssuanceOfParticipatoryNotesAndOtherHybridDebtSecuritiesQualifyAsAdditionalTier1CapitalWithEquivalentValue
3842 Hybrid Tier 1 capital instruments [Abstract] Abstract db:HybridTier1CapitalInstrumentsAbstract
3843 Reduction at the beginning of each financial year (phase out) Concept (Percent) For Period db:RegCapitalTier1PhaseoutRatio
3844 Reduction at the beginning of each financial year (phase out) Concept (Monetary) For Period Debit db:RegCapitalTier1PhaseoutAmount
3845 Eligible Additional Tier1 instruments Concept (Monetary) As Of Credit db:RegCapitalTier1ElligibleAT1Instruments
3846 Thereof: newly issued AT1 Notes Concept (Monetary) As Of Credit db:RegCapitalTier1ElligibleAT1InstrumentsNewlyIssuedNotes
3847 Thereof: legacy Hybrid Tier 1 instruments recognizable during the transition period Concept (Monetary) As Of Credit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybrids
3848 Additional Tier 1 instruments recognized under fully loaded CRR/CRD 4 rules Concept (Monetary) As Of Credit db:RegCapitalTier1ElligibleAT1InstrumentsFullyLoaded
3849 Notional amount redeemed legacy Hybrid Tier 1 instrument (1) Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsCalledNotionalEUR
3850 Eligible equivalent amount of redeemed legacy Hybrid Tier 1 instrument (1) Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsElligibleEquivalent
3851 Notional amount of redeemed legacy Hybrid Tier 1 instrument in U.S. Dollar (2) Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsCalledNotionalUSD
3852 Eligible equivalent amount of redeemed legacy Hybrid Tier 1 instrument (2) Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsElligibleEquivalent2
3853 Notional amount of called legacy Hybrid Tier 1 instrument effective as of February 20, 2018 in U.S. Dollar Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsCalledNotionalUSD20Feb2018
3854 Eligible equivalent amount of called legacy Hybrid Tier 1 instrument effective as of February 20, 2018 Concept (Monetary) As Of Debit db:RegCapitalTier1ElligibleAT1InstrumentsLegacyHybridsCalledElligibleEquivalentEUR20Feb2018
3855 Legacy Hybrid Tier 1 instruments still be recognized as Tier 2 capital under the fully loaded CRR/CRD 4 rules Concept (Monetary) As Of Credit db:RegCapitalTier2CapitalInstrumentsRecognizedLegacyHybrids
3856 Tier 2 capital instruments [Abstract] Abstract db:Tier2CapitalInstrumentsAbstract
3857 On December 1, 2017 issued fixed rate subordinated Tier 2 notes, aggregate amount in billion U.S. Dollar Concept (Monetary) As Of Credit db:RegCapitalTier2SubordinatedFixedrateNotesAggregateAmount
3858 Denomination of issued fixed rate subordinated Tier 2 notes in U.S. Dollar Concept (Monetary) As Of Credit db:RegCapitalTier2SubordinatedFixedrateNotesAggregateAmountInUSD
3859 Total Tier 2 capital instruments recognized during the transition period under CRR/CRD 4 Concept (Monetary) As Of Credit db:RegCapitalTier2CapitalInstrumentsRecognizedInTransitionPeriod
3860 Gross notional value of Tier 2 capital instruments Concept (Monetary) As Of Credit db:RegCapitalTier2CapitalInstrumentsGrossNotionalValue
3861 Tier 2 instruments recognized under fully loaded CRR/CRD 4 rules Concept (Monetary) As Of Credit db:RegCapitalTier2CapitalInstrumentsRecognizedFullyLoaded
3862 Thereof: legacy Hybrid Tier 1 capital instruments only recognizable as Additional Tier 1 capital during the transitional period Concept (Monetary) As Of db:LegacyHybridTier1CapitalInstrumentsOnlyAdditionalTier1CapitalTransitionalPeriod
3863 Notional amount of redeemed Tier 2 capital instrument (1) in JPY Concept (Monetary) As Of db:NotionalAmountOfRedeemedTier2CapitalInstrument1
3864 Eligible equivalent amount of redeemed Tier 2 capital instrument (1) Concept (Monetary) As Of db:EligibleEquivalentAmountOfRedeemedTier2CapitalInstrument1
3865 Notional amount of redeemed Tier 2 capital instrument (2) Concept (Monetary) As Of db:NotionalAmountOfRedeemedTier2CapitalInstrument2
3866 Eligible equivalent amount of redeemed Tier 2 capital instrument (2) Concept (Monetary) As Of db:EligibleEquivalentAmountOfRedeemedTier2CapitalInstrument2
3867 Phased in rate of CET 1 regulatory adjustments under CRR/CRD 4 Concept (Percent) As Of db:PhasedInRateOfCET1RegulatoryAdjustmentsUnderCRRCRD4
3868 Phase-out rate of minority interest only recognizable under the transitional rules Concept (Percent) As Of db:PhaseOutRateOfMinorityInterestOnlyRecognizableUnderTransitionalRules
3869 DWS IPO [Abstract] Abstract db:DWSIPOAbstract
3870 CET 1 contribution reflected in Capital instruments Concept (Monetary) As Of db:CET1ContributionReflectedInCapitalInstruments
3871 Thereof: Related share premium accounts and other reserves Concept (Monetary) As Of db:CET1ContributionReflectedInCapitalInstrumentsThereofRelatedSharePremiumAccountsAndOtherReserves
3872 Thereof: minority interest in Other Concept (Monetary) As Of db:DWSIPOThereofMminorityInterestInOther
3873 Other regulatory adjustments under CRR/CRD 4 Concept (Monetary) As Of Debit db:RegCapitalAdjustmentOther
3874 Including: capital deduction effective from January 2018 onwards, based on ECB guidance and following the EBA Guidelines on irrevocable payment commitments related to the Single Resolution Fund and the Deposit Guarantee Scheme Concept (Monetary) As Of Debit db:CapitalDeductionOnECBGuidanceFollowingEBAGuidelinesIrrevocablePaymentCommitmentsSingleResolutionFundDepositGuaranteeScheme
3875 Including: capital deduction effective from October 2016 onwards based on a notification by the ECB pursuant to Article 16(1)(c), 16(2)(b) and (j) of Regulation (EU) No 1024/2013 Concept (Monetary) As Of Debit db:RegCapitalAdjustmentEU1024In2013
3876 Including: additional filter for funds for home loans and savings protection Concept (Monetary) As Of db:RegCapitalAdjustmentEU1024In2013AddFilter
3877 54301 - Disclosure - Management Report - Risk and Capital Performance - Own Funds Template, incl. RWA and capital ratios (Detail) Network

*

*

 http://www.db.com/role/TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatios
3878 Transitional template for regulatory capital RWA and capital ratios [Table] Table

*

*

 db:TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosTable
3879 Transitional template for regulatory capital RWA and capital ratios [Axis] Axis db:ansitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosAxis
3880 Transitional template for regulatory capital RWA and capital ratios [Domain Member] Member db:ansitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosDomainMember
3881 CCR/CRD 4 fully loaded [Member] Member db:CCRCRD4FullyLoadedMember
3882 CCR/CRD 4 [Member] Member db:CCRCRD4Member
3883 Transitional template for regulatory capital RWA and capital ratios [Line Items] LineItems db:TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosLineItems
3884 Common Equity Tier 1 (CET 1) capital: instruments and reserves [Abstract] Abstract db:CommonEquityTier1capitalCET1Abstract
3885 Capital instruments and the related share premium accounts Concept (Monetary) As Of Credit db:CET1CapitalInstruments
3886 Retained earnings Concept (Monetary) As Of Credit db:CET1CapitalRetainedEarnings
3887 Accumulated other comprehensive income (loss), net of tax Concept (Monetary) As Of Credit db:CET1CapitalAccumulatedOtherComprehensiveIncomeOrLoss
3888 Independently reviewed interim profits net of any foreseeable charge or dividend Concept (Monetary) For Period Credit db:CET1CapitalIndependentlyReviewedInterimProfits
3889 Other Concept (Monetary) As Of Credit db:CET1CapitalOthers
3890 Common Equity Tier 1 (CET 1) capital before regulatory adjustments Concept (Monetary) As Of db:CommonEquityTierOneCETOneCapitalBeforeRegulatoryAdjustments
3891 Common Equity Tier 1 (CET 1) capital: regulatory adjustments [Abstract] Abstract db:CommonEquityTier1CET1CapitalRegulatoryAdjustmentsAbstract
3892 Additional value adjustments (negative amount) Concept (Monetary) As Of Debit db:AdditionalValueAdjustments
3893 Other prudential filters (other than additional value adjustments) Concept (Monetary) As Of Debit db:OtherPrudentialFiltersOtherThanAdditionalValueAdjustments
3894 Goodwill and other intangible assets (net of related tax liabilities) (negative amount) Concept (Monetary) As Of Debit db:GoodwillAndOtherIntangibleAssetsNetOfRelatedTaxLiabilities
3895 Deferred tax assets that rely on future profitability excluding those arising from temporary differences (net of related tax liabilities where the conditions in Art. 38 (3) CRR are met) (negative amount) Concept (Monetary) As Of Debit db:CET1BeforeRegAdjustmentsDTAOnFutureProfitability
3896 Negative amounts resulting from the calculation of expected loss amounts Concept (Monetary) As Of Debit db:CET1BeforeRegAdjustmentsExpectedLossAmounts
3897 Defined benefit pension fund assets (negative amount) Concept (Monetary) As Of Debit db:DefinedBenefitPensionFundAssets
3898 Direct, indirect and synthetic holdings by an institution of own CET 1 instruments (negative amount) Concept (Monetary) As Of Debit db:CET1BeforeRegAdjustmentsOwnSyntheticHoldings
3899 Direct, indirect and synthetic holdings by the institution of the CET 1 instruments of financial sector entities where the institution has a significant investment in those entities (amount above the 10 % / 15 % thresholds and net of eligible short positions) (negative amount) Concept (Monetary) As Of Debit db:DirectIndirectAndSyntheticHoldingsByTheInstitutionOfTheCetOneInstrumentsOfFinancialSectorEntities
3900 Deferred tax assets arising from temporary differences (net of related tax liabilities where the conditions in Art. 38 (3) CRR are met) (amount above the 10 % / 15 % thresholds) (negative amount) Concept (Monetary) As Of Debit db:CET1BeforeRegAdjustmentsDTAOnTemporaryDifferences
3901 Other regulatory adjustments Concept (Monetary) As Of Debit db:CET1BeforeRegAdjustmentsOther
3902 Total regulatory adjustments to Common Equity Tier 1 (CET 1) capital Concept (Monetary) As Of Debit db:CommonEquityTier1CET1CapitalRegulatoryAdjustments
3903 Common Equity Tier 1 (CET 1) capital Concept (Monetary) As Of Credit db:CommonEquityTierOneCapital
3904 Additional Tier 1 (AT1) capital: instruments [Abstract] Abstract db:AdditionalTier1AT1CapitalInstrumentsAbstract
3905 Capital instruments and the related share premium accounts Concept (Monetary) As Of Credit db:AT1CapitalInstruments
3906 Amount of qualifying items referred to in Art. 484 (4) CRR and the related share premium accounts subject to phase out from AT1 Concept (Monetary) As Of Credit db:AT1CapitalQualifiedItems
3907 Additional Tier 1 (AT1) capital before regulatory adjustments Concept (Monetary) As Of Credit db:AT1CapitalBeforeRegAdjustments
3908 Additional Tier 1 (AT1) capital: regulatory adjustments [Abstract] Abstract db:AdditionalTier1AT1CapitalRegulatoryAdjustmentsAbstract
3909 Direct, indirect and synthetic holdings by an institution of own AT1 instruments (negative amount) Concept (Monetary) As Of Debit db:AT1CapitalBeforeRegAdjustmentsOwnSyntheticHoldings
3910 Residual amounts deducted from AT1 capital with regard to deduction from CET 1 capital during the transitional period pursuant to Art. 472 CRR Concept (Monetary) As Of Debit db:AT1CapitalBeforeRegAdjustmentsResidualAmountDeductedFromCET1
3911 Other regulatory adjustments Concept (Monetary) As Of Debit db:AT1CapitalBeforeRegAdjustmentsOther
3912 Total regulatory adjustments to Additional Tier 1 (AT1) capital Concept (Monetary) As Of Debit db:AdditionalTier1AT1CapitalRegulatoryAdjustments
3913 Additional Tier 1 (AT1) capital Concept (Monetary) As Of Credit db:AT1Capital
3914 Tier 1 capital (T1 = CET 1 + AT1) Concept (Monetary) As Of Credit db:Tier1Capital
3915 Tier 2 (T2) capital Concept (Monetary) As Of Credit db:Tier2Capital
3916 Total Capital Concept (Monetary) As Of Credit db:CapitalT1AndT2
3917 Total risk-weighted assets Concept (Monetary) As Of Credit db:RiskWeightedAssetsRWA
3918 Capital ratios [Abstract] Abstract db:CapitalRatiosAbstract
3919 Common Equity Tier 1 capital ratio (as a percentage of risk-weighted assets) Concept (Monetary) As Of Credit db:CET1Ratio
3920 Tier 1 capital ratio (as a percentage of risk-weighted assets) Concept (Monetary) As Of Credit db:Tier1Ratio
3921 54301 - Disclosure - Management Report - Risk and Capital Performance - Own Funds Template, incl. RWA and capital ratios (Detail) Network

*

*

 http://www.db.com/role/TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatios
3922 Implied Table Table

*

*

 implied:Table
3923 Transitional template for regulatory capital RWA and capital ratios [Abstract] Abstract db:TransitionalTemplateForRegulatoryCapitalRWAAndCapitalRatiosAbstract
3924 Total capital ratio (as a percentage of risk-weighted assets) Concept (Monetary) As Of Credit db:RefgulatoryCapitalRatio
3925 54302 - Disclosure - Management Report - Risk and Capital Performance - Reconciliation of Shareholders Equity to Regulatory Capital (Detail) Network

*

*

 http://www.db.com/role/ReconciliationOfShareholdersEquityToRegulatoryCapital
3926 Reconciliation of Shareholders Equity to Regulatory Capital [Table] Table

*

*

 db:ReconciliationOfShareholdersEquityToRegulatoryCapitalTable
3927 Reconciliation of Shareholders Equity to Regulatory Capital [Axis] Axis db:ReconciliationOfShareholdersEquityToRegulatoryCapitalAxis
3928 Reconciliation of Shareholders Equity to Regulatory Capital [Domain Member] Member db:ReconciliationOfShareholdersEquityToRegulatoryCapitalDomainMember
3929 Reconciliation of Shareholders Equity to Regulatory Capital [Member] Member db:ReconciliationOfShareholdersEquityToRegulatoryCapitalMember
3930 Reconciliation of Shareholders Equity to Regulatory Capital [Line Items] LineItems db:ReconciliationOfShareholdersEquityToRegulatoryCapitalLineItems
3931 Total shareholders equity per accounting balance sheet Concept (Monetary) As Of Credit db:ShareholdersEquityPerAccountingBalanceSheet
3932 Deconsolidation Consolidation of entities Concept (Monetary) As Of Credit db:DeconsolidationConsolidationOfEntities
3933 thereof [Abstract] Abstract db:ThereofAbstract
3934 Additional paid-in capital Concept (Monetary) As Of Credit db:AdditionalPaidInCapital
3935 Retained earnings Concept (Monetary) As Of Credit db:RetainedEarningsReconciliationOfShareholdersEquityToRegulatoryCapital
3936 Accumulated other comprehensive income (loss), net of tax Concept (Monetary) As Of Credit db:AccumulatedOtherComprehensiveIncomeLossNetOfTax
3937 Total shareholders' equity per regulatory balance sheet Concept (Monetary) As Of Credit db:ShareholdersEquityPerRegulatoryBalanceSheet
3938 Noncontrolling interest based on transitional rules Concept (Monetary) As Of Credit db:NoncontrollingInterestBasedOnTransitionalRules
3939 Accrual for dividend and AT1 coupons Concept (Monetary) As Of Debit db:AccrualForDividendAndATOneCoupons
3940 Reversal of deconsolidation/consolidation of the position Accumulated other comprehensive income (loss), net of tax, during transitional period Concept (Monetary) As Of Credit db:ReversalOfDeconsolidationConsolidationOfThePositionAccumulatedOtherComprehensiveIncomeLossNetOfTaxDuringTransitionalPeriod
3941 Common Equity Tier 1 (CET 1) capital before regulatory adjustments Concept (Monetary) As Of db:CommonEquityTierOneCETOneCapitalBeforeRegulatoryAdjustments
3942 Additional value adjustments Concept (Monetary) As Of Debit db:AdditionalValueAdjustments
3943 Other prudential filters (other than additional value adjustments) Concept (Monetary) As Of Debit db:OtherPrudentialFiltersOtherThanAdditionalValueAdjustments
3944 Regulatory adjustments relating to unrealized gains and losses pursuant to Art. 467 and 468 CRR Concept (Monetary) As Of Credit db:RegulatoryAdjustmentsRelatingToUnrealizedGainsAndLossesPursuantToArtCRR
3945 Goodwill and other intangible assets (net of related tax liabilities) Concept (Monetary) As Of Debit db:GoodwillAndOtherIntangibleAssetsNetOfRelatedTaxLiabilities
3946 Deferred tax assets that rely on future profitability Concept (Monetary) As Of Debit db:DeferredTaxAssetsThatRelyOnFutureProfitability
3947 Defined benefit pension fund assets Concept (Monetary) As Of Debit db:DefinedBenefitPensionFundAssets
3948 Direct, indirect and synthetic holdings by the institution of the CET 1 instruments of financial sector entities where the institution has a significant investment in those entities Concept (Monetary) As Of Debit db:DirectIndirectAndSyntheticHoldingsByTheInstitutionOfTheCetOneInstrumentsOfFinancialSectorEntities
3949 Other regulatory adjustments Concept (Monetary) As Of Debit db:OtherRegulatoryAdjustments
3950 Common Equity Tier 1 capital Concept (Monetary) As Of Credit db:CommonEquityTierOneCapital
3951 54401 - Disclosure - Condensed Statement of Comprehensive Income (Deutsche Bank Parent) (Detail) Network

*

*

 http://www.db.com/role/CondensedStatementOfComprehensiveIncomeDeutscheBankParent
3952 Condensed Statement of Comprehensive Income (Deutsche Bank Parent) [Table] Table

*

*

 srt:CondensedStatementOfComprehensiveIncomeTable
3953 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
3954 Consolidated legal entity [Domain Member] Member dei:EntityDomain
3955 Deutsche Bank AG (Parent) [Member] Member db:DeutscheBankAGMember
3956 Condensed Statement of Comprehensive Income (Deutsche Bank Parent) [Line Items] LineItems db:CondensedStatementOfComprehensiveIncomeDeutscheBankParentLineItems
3957 Net income (loss) attributable to Deutsche Bank shareholders and additional equity components Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3958 Other comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
3959 Total comprehensive income (loss), net of tax Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
3960 54401 - Disclosure - Condensed Statement of Income (Deutsche Bank Parent) (Detail) Network

*

*

 http://www.db.com/role/CondensedStatementOfIncomeDeutscheBankParent
3961 Condensed Statement of Income (Deutsche Bank Parent) [Table] Table

*

*

 srt:CondensedIncomeStatementTable
3962 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
3963 Consolidated legal entity [Domain Member] Member dei:EntityDomain
3964 Deutsche Bank AG (Parent) [Member] Member db:DeutscheBankAGMember
3965 Condensed Statement of Income (Deutsche Bank Parent) [Line Items] LineItems db:CondensedStatementOfIncomeDeutscheBankParentLineItems
3966 Interest income, excluding dividends from subsidiaries Concept (Monetary) For Period Credit db:InterestIncomeExcludingDividendsFromSubsidiaries
3967 Dividends received from [Abstract] Abstract db:DividendsReceivedFromAbstract
3968 Dividends received from bank subsidiaries Concept (Monetary) For Period Credit db:DividendsReceivedFromBankSubsidiaries
3969 Dividends received from nonbank subsidiaries Concept (Monetary) For Period Credit db:DividendsReceivedFromNonBankSubsidiaries
3970 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
3971 Net interest and dividend income Concept (Monetary) For Period Credit db:NetInterestAndDividendIncome
3972 Provision for credit losses Concept (Monetary) For Period Debit db:ProvisionForCreditLosses
3973 Net interest and dividend income after provision for credit losses Concept (Monetary) For Period Credit db:NetInterestAndDividendIncomeAfterProvisionForCreditLosses
3974 Noninterest income [Abstract] Abstract db:NoninterestIncomeAbstract
3975 Commissions and fee income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
3976 Net gains (losses) on financial assets/liabilities at fair value through profit or loss Concept (Monetary) For Period Credit db:NetGainsLossesOnFinancialAssetsLiabilitiesAtFairValueThroughProfitOrLoss
3977 Other income (loss) Concept (Monetary) For Period Credit db:OtherIncomeLoss
3978 Total noninterest income Concept (Monetary) For Period Credit db:TotalNoninterestIncome
3979 Noninterest expenses [Abstract] Abstract db:NoninterestExpensesAbstract
3980 Compensation and benefits Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
3981 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
3982 Services provided by (to) affiliates, net Concept (Monetary) For Period Debit db:ServicesProvidedByToAffiliatesNet
3983 Impairment of goodwill and other intangible assets Concept (Monetary) For Period Debit db:ImpairmentOfGoodwillAndOtherIntangibleAssets
3984 Total noninterest expenses Concept (Monetary) For Period Debit db:NoninterestExpenses
3985 Income (loss) before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
3986 Income tax expense (benefit) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
3987 Net income (loss) attributable to Deutsche Bank shareholders and additional equity components Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3988 54402 - Disclosure - Condensed Balance Sheet (Deutsche Bank Parent) (Detail) Network

*

*

 http://www.db.com/role/CondensedBalanceSheetDeutscheBankParent
3989 Condensed Balance Sheet (Deutsche Bank Parent) [Table] Table

*

*

 srt:CondensedBalanceSheetStatementTable
3990 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
3991 Consolidated legal entity [Domain Member] Member dei:EntityDomain
3992 Deutsche Bank AG (Parent) [Member] Member db:DeutscheBankAGMember
3993 Subsidiaries [Axis] Axis db:SubsidiariesAxis
3994 Total subsidiaries [Domain Member] Member ifrs-full:EntitysTotalForSubsidiariesMember
3995 Bank subsidiaries [Member] Member db:BankSubsidiariesMember
3996 Nonbank subsidiaries [Member] Member db:NonbankSubsidiariesMember
3997 Other subsidiaries [Member] Member db:OtherSubsidiariesMember
3998 Condensed Balance Sheet (Deutsche Bank Parent) [Line Items] LineItems db:CondensedBalanceSheetDeutscheBankParentLineItems
3999 Assets [Abstract] Abstract ifrs-full:AssetsAbstract
4000 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4001 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
4002 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
4003 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
4004 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4005 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
4006 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociates
4007 Investment in subsidiaries Concept (Monetary) As Of Debit db:InvestmentInSubsidiaries
4008 Loans Concept (Monetary) As Of Debit db:Loans
4009 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
4010 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
4011 Liabilities and equity [Abstract] Abstract ifrs-full:EquityAndLiabilitiesAbstract
4012 Deposits Concept (Monetary) As Of Credit db:Deposits
4013 Central bank funds purchased, securities sold under repurchase agreements and securities loaned Concept (Monetary) As Of Credit db:CentralBankFundsPurchasedSecuritiesSoldUnderRepurchaseAgreementsAndSecuritiesLoaned
4014 Financial liabilities at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
4015 Other short-term borrowings Concept (Monetary) As Of Credit db:OtherShortTermBorrowings
4016 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
4017 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
4018 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
4019 Total shareholders equity Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
4020 Additional equity components Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
4021 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
4022 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
4023 54403 - Disclosure - Condensed Statement of Cash Flows (Deutsche Bank Parent) (Detail) Network

*

*

 http://www.db.com/role/CondensedStatementOfCashFlowsDeutscheBankParent
4024 Condensed Statement of Cash Flows (Deutsche Bank Parent) [Table] Table

*

*

 srt:CondensedCashFlowStatementTable
4025 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
4026 Consolidated legal entity [Domain Member] Member dei:EntityDomain
4027 Deutsche Bank AG (Parent) [Member] Member db:DeutscheBankAGMember
4028 Condensed Statement of Cash Flows (Deutsche Bank Parent) [Line Items] LineItems db:CondensedStatementOfCashFlowsDeutscheBankParentLineItems
4029 Net cash provided by (used in) operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
4030 Cash flows from investing activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
4031 Proceeds from [Abstract] Abstract db:ProceedsFromAbstract
4032 Sale of financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:ProceedsFromSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4033 Maturities of financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4034 Sale of debt securities held to collect at AC Concept (Monetary) For Period Debit db:ProceedsFromSaleOfDebtSecuritiesHeldToCollectAtAC
4035 Maturities of debt securities held to collect at AC Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfDebtSecuritiesHeldToCollectAtAC
4036 Sale of financial assets available for sale Concept (Monetary) For Period Debit db:ProceedsFromSaleOfFinancialAssetsAvailableForSale
4037 Maturities of financial assets available for sale Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfFinancialAssetsAvailableForSale
4038 Maturities of securities held to maturity Concept (Monetary) For Period Debit db:ProceedsFromMaturitiesOfSecuritiesHeldToMaturity
4039 Sale of investments in associates Concept (Monetary) For Period Debit db:ProceedsFromSaleOfInvestmentsInAssociates
4040 Sale of property and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
4041 Purchase of [Abstract] Abstract db:PurchaseOfAbstract
4042 Financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit db:PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4043 Debt Securities held to collect at amortized cost Concept (Monetary) For Period Debit db:PurchaseOfDebtSecuritieshtcAtAC
4044 Financial assets available for sale Concept (Monetary) For Period Credit ifrs-full:PurchaseOfAvailableforsaleFinancialAssets
4045 Securities held to maturity Concept (Monetary) For Period Credit db:PurchaseOfSecuritiesHeldToMaturity
4046 Investments in associates Concept (Monetary) For Period Credit db:PurchaseOfInvestmentsInAssociates
4047 Property and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
4048 Net change in investments in subsidiaries Concept (Monetary) As Of db:NetChangeInInvestmentsInSubsidiaries
4049 Other, net Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
4050 Net cash provided by (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
4051 Cash flows from financing activities [Abstract] Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
4052 Issuances of subordinated long-term debt Concept (Monetary) For Period Debit db:IssuancesOfSubordinatedLongTermDebt
4053 Repayments and extinguishments of subordinated long-term debt Concept (Monetary) For Period Credit db:RepaymentsAndExtinguishmentsOfSubordinatedLongTermDebt
4054 Issuances of trust preferred securities Concept (Monetary) For Period Debit db:IssuancesOfTrustPreferredSecurities
4055 Repayments and extinguishments of trust preferred securities Concept (Monetary) For Period Debit db:RepaymentsAndExtinguishmentsOfTrustPreferredSecurities
4056 Common shares issued Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
4057 Purchases of treasury shares Concept (Monetary) For Period Debit ifrs-full:PurchaseOfTreasuryShares
4058 Sale of treasury shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSaleOrIssueOfTreasuryShares
4059 Additional Equity Components (AT1) issued Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingOtherEquityInstruments
4060 Purchases of Additional Equity Components (AT1) Concept (Monetary) For Period Credit db:PurchasesOfAdditionalEquityComponentsAT1
4061 Sale of Additional Equity Components (AT1) Concept (Monetary) For Period Debit db:SaleOfAdditionalEquityComponentsAT1
4062 Coupon on additional equity components, pre tax Concept (Monetary) For Period Credit db:CouponOnAdditionalEquityComponentsPreTax
4063 Net change in noncontrolling interests Concept (Monetary) For Period Debit db:NetChangeInNoncontrollingInterests
4064 Cash dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
4065 Net cash provided by (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
4066 Net effect of exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
4067 Net increase (decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
4068 Cash and cash equivalents at beginning of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
4069 Cash and cash equivalents at end of period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
4070 Net cash provided by (used in) operating activities include [Abstract] Abstract db:NetCashProvidedByUsedInOperatingActivitiesIncludeAbstract
4071 Income taxes paid (received), net Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
4072 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
4073 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
4074 Dividend received Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
4075 Cash and cash equivalents comprise [Abstract] Abstract db:CashAndCashEquivalentsCompriseAbstract
4076 Cash and central bank balances (not included Interest-earning time deposits with central banks) Concept (Monetary) For Period Debit db:CashAndCentralBankBalancesNotIncludedInterestEarningTimeDepositsWithCentralBanks
4077 Interbank balances (w/o central banks) (not included: time deposits with banks) Concept (Monetary) For Period Debit db:InterbankBalancesWOCentralBanksNotIncludedTimeDepositsWithBanks
4078 Total Concept (Monetary) For Period Debit db:DBCashAndCashEquivalents
4079 54404 - Disclosure - Deutsche Bank Parent Long-Term Debt (Detail) Network

*

*

 http://www.db.com/role/DeutscheBankParentLongTermDebt
4080 Deutsche Bank Parent Long-Term Debt [Table] Table

*

*

 db:DeutscheBankParentLongTermDebtTable
4081 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
4082 Consolidated legal entity [Domain Member] Member dei:EntityDomain
4083 Deutsche Bank AG (Parent) [Member] Member db:DeutscheBankAGMember
4084 Long-Term Debt by Contractual Maturity [Axis] Axis db:LongTermDebtByContractualMaturityAxis
4085 Total Dec 31 [Domain Member] Member db:TotalLongTermDebtDomainMember
4086 Due in 2019 [Member] Member db:DueInNextYearMember
4087 Due in 2020 [Member] Member db:DueInCurrentYearPlusTwotMember
4088 Due in 2021 [Member] Member db:DueInCurrentYearPlusThreeMember
4089 Due in 2022 [Member] Member db:DueInCurrentYearPlusFourMember
4090 Due in 2023 [Member] Member db:DueInCurrentYearPlusFiveMember
4091 Due after 2023 [Member] Member db:DueAfterCurrentYearPlusFiveMember
4092 Debt Seniority [Axis] Axis db:DebtSeniorityAxis
4093 Debt Seniority [Domain Member] Member db:DebtSeniorityDomainMember
4094 Senior debt, Bonds and notes [Member] Member db:SeniorDebtBondsAndNotesMember
4095 Subordinated debt, Bonds and notes [Member] Member db:SubordinatedDebtBondsAndNotesMember
4096 Deutsche Bank Parent Long-Term Debt [Line Items] LineItems db:DeutscheBankParentLongTermDebtLineItems
4097 By remaining maturities [Abstract] Abstract db:ByRemainingMaturitiesAbstract
4098 Fixed rate Concept (Monetary) As Of Debit db:FixedRate
4099 Floating rate Concept (Monetary) As Of Debit db:FloatingRate
4100 Other Concept (Monetary) As Of Credit db:OtherLongTermDebtByContractualMaturity
4101 Total long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
4102 54501 - Disclosure - Issuance of Trust Preferred Securities (Detail) Network

*

*

 http://www.db.com/role/IssuanceOfTrustPreferredSecurities
4103 Issuance of Trust Preferred Securities [Table] Table

*

*

 db:IssuanceOfTrustPreferredSecuritiesTable
4104 Issuance of Trust Preferred Securities [Axis] Axis db:IssuanceOfTrustPreferredSecuritiesAxis
4105 Issuance of Trust Preferred Securities [Domain Member] Member db:IssuanceOfTrustPreferredSecuritiesDomainMember
4106 Trust: Deutsche Bank Contigent Capital Trust II; LLC: Deutsche Bank Contingent Capital LLC II; Issuance Date: May 23, 2007; Earliest Redemptiom Date: May 23, 2017 [Member] Member db:TrustDeutscheBankContigentCapitalTrustIILLCDeutscheBankContingentCapitalLLCIIIssuanceDateMay232007EarliestRedemptiomDateMay232017Member
4107 Trust: Deutsche Bank Contigent Capital Trust III; LLC: Deutsche Bank Contingent Capital LLC III; Issuance Date: February 20, 2008; Earliest Redemption Date: February 20, 2018 [Member] Member db:TrustDeutscheBankContigentCapitalTrustIIILLCDeutscheBankContingentCapitalLLCIIIIssuanceDateFebruary202008EarliestRedemptiomDateFebruary202018Member
4108 Trust: Deutsche Bank Contigent Capital Trust V; LLC: Deutsche Bank Contingent Capital LLC V; Issuance Date: May 9, 2008; Earliest Redemption Date: June30, 2018 [Member] Member db:TrustDeutscheBankContigentCapitalTrustVLLCDeutscheBankContingentCapitalLLCVIssuanceDateMay92008EarliestRedemptiomDateJune302018Member
4109 Issuance of Trust Preferred Securities [Line Items] LineItems db:IssuanceOfTrustPreferredSecuritiesLineItems
4110 Long-term debt Concept (Monetary) As Of Credit db:LongTermDebt
4111 54501 - Disclosure - Issuance of Trust Preferred Securities (Detail: Text Values) Network

*

*

 http://www.db.com/role/IssuanceOfTrustPreferredSecuritiesTextVlues
4112 Issuance of Trust Preferred Securities [Table] Table

*

*

 db:IssuanceOfTrustPreferredSecuritiesTable
4113 Issuance of Trust Preferred Securities [Axis] Axis db:IssuanceOfTrustPreferredSecuritiesAxis
4114 Issuance of Trust Preferred Securities [Domain Member] Member db:IssuanceOfTrustPreferredSecuritiesDomainMember
4115 Trust: Deutsche Bank Contigent Capital Trust V; LLC: Deutsche Bank Contingent Capital LLC V; Issuance Date: May 9, 2008; Earliest Redemption Date: June30, 2018 [Member] Member db:TrustDeutscheBankContigentCapitalTrustVLLCDeutscheBankContingentCapitalLLCVIssuanceDateMay92008EarliestRedemptiomDateJune302018Member
4116 Issuance of Trust Preferred Securities [Line Items] LineItems db:IssuanceOfTrustPreferredSecuritiesLineItems
4117 Additional issuance Concept (Monetary) As Of db:IssuanceOfTrustPreferredSecuritiesAdditionalIssuance
4118 55002 - Disclosure - Corporate Governance Statement - Principal Accounting Fees and Services (Detail) Network

*

*

 http://www.db.com/role/AccountantFees
4119 Implied Table Table

*

*

 implied:Table
4120 Accountant Fees Abstract ifrs-full:AuditorsRemunerationAbstract
4121 Audit fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForAuditServices
4122 Audit-related fees Concept (Monetary) For Period Debit db:AuditRelatedFees
4123 Tax-related fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForTaxServices
4124 All other fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForOtherServices
4125 Total fees Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
4126 60003 - Disclosure - Maximum Exposure to Credit Risk IFRS 9 (Detail) Network

*

*

 http://www.db.com/role/MaximumExposureToCreditRiskIFRS9
4127 Maximum Exposure to Credit Risk [Table] Table

*

*

 db:MaximumExposureToCreditRiskTable
4128 Maximum Exposure to Credit Risk [Axis] Axis db:MaximumExposureToCreditRiskAxis
4129 Maximum Exposure to Credit Risk [Domain Member] Member db:MaximumExposureToCreditRiskDomainMember
4130 Maximum exposure to credit risk [Member] Member db:MaximumExposureToCreditRiskMember
4131 Subject to Impairment [Member] Member db:SubjectToImpairmentMember
4132 Credit Enhancements [Member] Member db:CreditEnhancementsMember
4133 Netting [Member] Member db:NettingMember
4134 Collateral [Member] Member db:CollateralMember
4135 Guarantees and Credit derivatives [Member] Member db:GuaranteesAndCreditDerivativesMember
4136 Total credit enhancements [Member] Member db:TotalCreditEnhancementsMember
4137 Key Ratios [Axis] Axis db:KeyRatiosAxis
4138 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4139 IFRS 9 [Member] Member db:IFRS9Member
4140 Maximum Exposure to Credit Risk [Line Items] LineItems db:MaximumExposureToCreditRiskLineItems
4141 Financial assets at amortized cost [Abstract] Abstract db:FinancialAssetsAtAmortizedCostAbstract
4142 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4143 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
4144 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
4145 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
4146 Loans Concept (Monetary) As Of Debit db:Loans
4147 Other assets subject to credit risk Concept (Monetary) As Of Debit db:OtherAssetsSubjectToCreditRisk
4148 Securities held to maturity Concept (Monetary) As Of Debit db:SecuritiesHeldToMaturity
4149 Total financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
4150 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
4151 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4152 Non-trading financial assets mandatory at fair value through profit or loss Concept (Monetary) As Of db:NonTradingFinancialAssetsMandatoryAtFairValueThroughProfilAndLoss
4153 of which [Abstract] Abstract db:ThereofAbstract
4154 Securities purchased under resale agreement Concept (Monetary) As Of db:SecuritiesPurchasedUnderResaleAgreementsNonTradingFinancialAssetsMandatoryAtFairValueThroughProfilAndLoss
4155 Securities borrowed Concept (Monetary) As Of db:SecuritiesBorrowedNonTradingFinancialAssetsMandatoryAtFairValueThroughProfilAndLoss
4156 Loans Concept (Monetary) As Of db:LoansNonTradingFinancialAssetsMandatoryAtFairValueThroughProfitOrLoss
4157 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
4158 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
4159 Total financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
4160 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4161 of which [Abstract] Abstract db:OfWhichAbstract
4162 Securities purchased under resale agreement Concept (Monetary) As Of db:SecuritiesPurchasedUnderResaleAgreementsFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4163 Securities borrowed Concept (Monetary) As Of db:SecuritiesBorrowedFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4164 Loans Concept (Monetary) As Of db:LoansFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4165 Financial guarantees and other credit related contingent liabilities Concept (Monetary) As Of Debit db:FinancialGuaranteesAndOtherCreditRelatedContingentLiabilities
4166 Revocable and irrevocable lending commitments and other credit related commitments Concept (Monetary) As Of db:RevocableAndIrrevocableLendingCommitmentsAndOtherCreditRelatedCommitments
4167 Total off-balance sheet Concept (Monetary) As Of db:OffBalanceSheetCreditRiskProfile
4168 Maximum exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
4169 60003 - Disclosure - Parenthetical Information Credit Exposure (Detail:Text Values) Network

*

*

 http://www.db.com/role/ParentheticalInformationCreditExposureTextValues
4170 Implied Table Table

*

*

 implied:Table
4171 Credit Exposure [Abstract] Abstract db:CreditExposureAbstract
4172 Credit derivative notional sold and credit derivative notional bought protection, not included in Maximum exposure to credit risk Concept (Monetary) As Of Credit db:CreditDerivativeNotionalSoldAndCreditDerivativeNotionalBoughtProtectionNotIncludedInMaximumExposureToCreditRisk
4173 Revocable commitments not included Concept (Monetary) As Of db:RevocableCommitmentsNotIncluded
4174 Traded bonds included in "Trading assets" Concept (Monetary) As Of Debit db:TradedBondsIncludedInTradingAssets
4175 thereof: Abstract db:ThereofFinancialAssetsNonImpairedPastDueAvailableForSaleAbstract
4176 Investment-Grade in % (more than) Concept (Percent) As Of db:InvestmentGradeInPercentMoreThan
4177 Investment grade of debt securities included in "Financial assets available for sale" in % (more than) Concept (Percent) As Of db:InvestmentGradeOfDebtSecuritiesIncludedInFinancialAssetsAvailableForSaleInPercentMoreThan
4178 Stage 3 and stage 3 POCI loans at amortized cost Concept (Monetary) As Of db:Stage3AndStage3POCILoansAtAmortizedCost
4179 Stage 3 and stage 3 POCI loans at fair value through OCI Concept (Monetary) As Of db:Stage3AndStage3POCILoansAtFairValueThroughOCI
4180 Stage 3 and stage 3 POCI off-balance sheet exposure Concept (Monetary) As Of db:Stage3AndStage3POCIOffBalanceSheetExposure
4181 Stage 3 and stage 3 POCI debt securities at amortized cost Concept (Monetary) As Of db:Stage3AndStage3POCIDebtSecuritiesAtAmortizedCost
4182 Stage 3 and stage 3 POCI debt securities at fair value through OCI Concept (Monetary) As Of db:Stage3AndStage3POCIDebtSecuritiesAtFairValueThroughOCI
4183 Stage 3 and stage 3 POCI repo and repo-style transactions at amortized cost Concept (Monetary) As Of db:Stage3AndStage3POCIRepoAndRepoStyleTransactionsAtAmortizedCost
4184 Stage 3 and stage 3 POCI repo and repo-style transactions at fair value through OCI Concept (Monetary) As Of db:Stage3AndStage3POCIRepoAndRepoStyleTransactionsAtFairValueThroughOCI
4185 Impaired loans included in "Loans" Concept (Monetary) As Of Debit db:ImpairedLoansIncludedInLoans
4186 (Revocable*2018 and) irrevocable lending commitments related to consumer credit exposure Concept (Monetary) As Of db:IrrevocableLendingCommitmentsRelatedToConsumerCreditExposure
4187 Real estate other than commercial Concept (Monetary) As Of db:RealEstateOtherThanCommercial
4188 Transport, storage and communication, Credit exposure Concept (Monetary) As Of db:TransportStorageAndCommunicationCreditExposure
4189 Other community and personal social services Concept (Monetary) As Of db:OtherCommunityAndPersonalSocialServices
4190 Electricity, gas and water supply, Credit exposure Concept (Monetary) As Of db:ElectricityGasAndWaterSupplyCreditExposure
4191 Construction, Credit exposure Concept (Monetary) As Of db:ConstructionCreditExposure
4192 Mining and quarrying, Credit exposure Concept (Monetary) As Of db:MiningAndQuarryingCreditExposure
4193 60003 - Disclosure - Risk Report - Credit Risk Exposure - Maximum Exposure to Credit Risk IAS 39 (Detail) Network

*

*

 http://www.db.com/role/MaximumExposureToCreditRiskIAS39
4194 Maximum Exposure to Credit Risk [Table] Table

*

*

 db:MaximumExposureToCreditRiskTable
4195 Maximum Exposure to Credit Risk [Axis] Axis db:MaximumExposureToCreditRiskAxis
4196 Maximum Exposure to Credit Risk [Domain Member] Member db:MaximumExposureToCreditRiskDomainMember
4197 Maximum exposure to credit risk [Member] Member db:MaximumExposureToCreditRiskMember
4198 Credit Enhancements [Member] Member db:CreditEnhancementsMember
4199 Netting [Member] Member db:NettingMember
4200 Collateral [Member] Member db:CollateralMember
4201 Guarantees and Credit derivatives [Member] Member db:GuaranteesAndCreditDerivativesMember
4202 Total credit enhancements [Member] Member db:TotalCreditEnhancementsMember
4203 Key Ratios [Axis] Axis db:KeyRatiosAxis
4204 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4205 IAS 39 [Member] Member db:IAS39Member
4206 Maximum Exposure to Credit Risk [Line Items] LineItems db:MaximumExposureToCreditRiskLineItems
4207 Cash and central bank balances Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4208 Interbank balances (w/o central banks) Concept (Monetary) As Of Debit db:InterBankBalances
4209 Central bank funds sold and securities purchased under resale agreements Concept (Monetary) As Of Debit db:CentralBankFundsSoldAndSecuritiesPurchasedUnderResaleAgreements
4210 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowed
4211 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
4212 Trading assets Concept (Monetary) As Of Debit db:TradingAssets
4213 Positive market values from derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4214 Financial assets designated at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
4215 thereof [Abstract] Abstract db:ThereofAbstract
4216 Securities purchased under resale agreements Concept (Monetary) As Of Debit db:SecuritiesPurchasedUnderResaleAgreementsFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss
4217 Securities borrowed Concept (Monetary) As Of Debit db:SecuritiesBorrowedFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss
4218 Financial assets available for sale Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
4219 Loans Concept (Monetary) As Of Debit db:Loans
4220 Securities held to maturity Concept (Monetary) As Of Debit db:SecuritiesHeldToMaturity
4221 Other assets subject to credit risk Concept (Monetary) As Of Debit db:OtherAssetsSubjectToCreditRisk
4222 Financial guarantees and other credit related contingent liabilities Concept (Monetary) As Of Debit db:FinancialGuaranteesAndOtherCreditRelatedContingentLiabilities
4223 Irrevocable lending commitments and other credit related commitments Concept (Monetary) As Of Debit db:IrrevocableLendingCommitmentsAndOtherCreditRelatedCommitments
4224 Maximum exposure to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
4225 60004 - Disclosure - Credit Risk Exposure and Risk Concentrations/ Amortized Cost (Detail) Network

*

*

 http://www.db.com/role/CreditRiskExposureAndRiskConcentrationsAmortizedCost
4226 Credit Risk Exposure and Risk Concentrations/ Amortized Cost [Table] Table

*

*

 db:CreditRiskExposureAndRiskConcentrationsAmortizedCostTable
4227 Rating [Axis] Axis db:RatingAxis
4228 Total [Member] Member db:TotalCreditExposureRiskConcentrationDomainMember
4229 iAAA-iAA [Member] Member db:IAAAIAAMember
4230 iA [Member] Member db:IAMember
4231 iBBB [Member] Member db:IBBBMember
4232 iBB [Member] Member db:IBBMember
4233 iB [Member] Member db:IBMember
4234 iCCC and below [Member] Member db:ICCCAndBelowMember
4235 Stages [Axis] Axis db:StagesAxis
4236 Total [Member] Member db:TotalStagesMember
4237 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4238 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4239 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4240 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4241 Credit Risk Exposure and Risk Concentrations/ Amortized Cost [Line Items] LineItems db:CreditRiskExposureAndRiskConcentrationsAmortizedCostLineItems
4242 Gross Carrying Amount Concept (Monetary) As Of db:GrossCarryingValue
4243 Allowance for Credit Losses Concept (Monetary) As Of db:AllowanceForCreditLosses
4244 60005 - Disclosure - Credit Risk Profile by Region IFRS 9 (Detail) Network

*

*

 http://www.db.com/role/CreditRiskProfileByRegionIFRS9
4245 Credit Risk Profile by Region [Table] Table

*

*

 db:CreditRiskProfileByRegionTable
4246 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
4247 Total countries [Domain Member] Member country:AllCountriesDomain
4248 Europe [Member] Member srt:EuropeMember
4249 Germany [Member] Member country:DE
4250 UK [Member] Member country:GB
4251 France [Member] Member country:FR
4252 Luxembourg [Member] Member country:LU
4253 Italy [Member] Member country:IT
4254 Netherlands [Member] Member country:NL
4255 Spain [Member] Member country:ES
4256 Ireland [Member] Member country:IE
4257 Switzerland [Member] Member country:CH
4258 Poland [Member] Member country:PL
4259 Belgium [Member] Member country:BE
4260 Other Europe [Member] Member db:OtherEuropeMember
4261 North America [Member] Member srt:NorthAmericaMember
4262 US [Member] Member country:US
4263 Cayman Islands [Member] Member country:KY
4264 Canada [Member] Member country:CA
4265 Other North America [Member] Member db:OtherNorthAmericaMember
4266 Asia/Pacific [Member] Member srt:AsiaPacificMember
4267 Japan [Member] Member country:JP
4268 Australia [Member] Member country:AT
4269 South Korea [Member] Member country:KR
4270 India [Member] Member country:IN
4271 China [Member] Member country:CN
4272 Singapore [Member] Member country:SG
4273 Hong Kong [Member] Member country:HK
4274 Other Asia/Pacific [Member] Member db:OtherAsiaPacificMember
4275 Other countries [Member] Member db:OtherCountryMember
4276 Key Ratios [Axis] Axis db:KeyRatiosAxis
4277 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4278 IFRS 9 [Member] Member db:IFRS9Member
4279 Credit Risk Profile [Axis] Axis db:CreditRiskProfileAxis
4280 Credit Risk Profile [Domain Member] Member db:CreditRiskProfileDomainMember
4281 at amortized cost [Member] Member db:AtAmortizedCostMember
4282 at fair value through P/L [Member] Member db:AtFairValueThroughProfitOrLossMember
4283 Designated / mandatory at fair value through P/L [Member] Member db:DesignatedMandatoryAtFairValueThroughProfitOrLossMember
4284 at fair value through OCI [Member] Member db:AtFairValueThroughOCIMember
4285 Revocable and irrevocable lending commitments [Member] Member db:RevocableAndIrrevocableLendingCommitmentsMember
4286 Contingent liabilities [Member] Member ifrs-full:ContingentLiabilitiesMember
4287 Credit Risk Profile by Region [Line Items] LineItems db:CreditRiskProfileByRegionLineItems
4288 Loans Concept (Monetary) As Of Debit db:Loans
4289 Off-balance sheet Concept (Monetary) As Of db:OffBalanceSheetCreditRiskProfile
4290 OTC derivatives Concept (Monetary) As Of Debit db:OtCDerivatesCreditRiskProfile
4291 Debt securities Concept (Monetary) As Of Debit db:DebtSecuritiesCreditRiskProfile
4292 Repo and repo-style transactions Concept (Monetary) As Of Debit db:RepoAndRepostyleTransactionsCreditRiskProfile
4293 Total Concept (Monetary) As Of ifrs-full:CreditExposure
4294 60005 - Disclosure - Risk Report - Credit Risk Exposure - Credit Risk Profile by Region IAS39 (Detail) Network

*

*

 http://www.db.com/role/CreditRiskProfileByRegionIAS39
4295 Credit Risk Profile by Region [Table] Table

*

*

 db:CreditRiskProfileByRegionTable
4296 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
4297 Total countries [Domain Member] Member country:AllCountriesDomain
4298 Europe [Member] Member srt:EuropeMember
4299 Germany [Member] Member country:DE
4300 UK [Member] Member country:GB
4301 France [Member] Member country:FR
4302 Luxembourg [Member] Member country:LU
4303 Italy [Member] Member country:IT
4304 Netherlands [Member] Member country:NL
4305 Spain [Member] Member country:ES
4306 Ireland [Member] Member country:IE
4307 Switzerland [Member] Member country:CH
4308 Poland [Member] Member country:PL
4309 Belgium [Member] Member country:BE
4310 Other Europe [Member] Member db:OtherEuropeMember
4311 North America [Member] Member srt:NorthAmericaMember
4312 US [Member] Member country:US
4313 Cayman Islands [Member] Member country:KY
4314 Canada [Member] Member country:CA
4315 Other North America [Member] Member db:OtherNorthAmericaMember
4316 Asia/Pacific [Member] Member srt:AsiaPacificMember
4317 Japan [Member] Member country:JP
4318 Australia [Member] Member country:AT
4319 India [Member] Member country:IN
4320 South Korea [Member] Member country:KR
4321 China [Member] Member country:CN
4322 Singapore [Member] Member country:SG
4323 Hong Kong [Member] Member country:HK
4324 Other Asia/Pacific [Member] Member db:OtherAsiaPacificMember
4325 Other countries [Member] Member db:OtherCountryMember
4326 Key Ratios [Axis] Axis db:KeyRatiosAxis
4327 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4328 IAS 39 [Member] Member db:IAS39Member
4329 Credit Risk Profile by Region [Line Items] LineItems db:CreditRiskProfileByRegionLineItems
4330 Loans Concept (Monetary) As Of Debit db:Loans
4331 Irrevocable lending commitments Concept (Monetary) As Of Debit db:IrrevocableLendingCommitments
4332 Contingent liabilities Concept (Monetary) As Of Debit db:ContingentLiabilities
4333 OTC derivatives Concept (Monetary) As Of Debit db:OtCDerivatesCreditRiskProfile
4334 Traded Loans Concept (Monetary) As Of Debit db:TradedLoans
4335 Traded Bonds Concept (Monetary) As Of Debit db:TradedBonds
4336 Debt securities Concept (Monetary) As Of Debit db:DebtSecuritiesCreditRiskProfile
4337 Repo and repo-style transactions Concept (Monetary) As Of Debit db:RepoAndRepostyleTransactionsCreditRiskProfile
4338 Total Concept (Monetary) As Of ifrs-full:CreditExposure
4339 60006 - Disclosure - Risk Report - Sovereign Credit Risk Exposure to Certain Eurozone Countries (Detail) Network

*

*

 http://www.db.com/role/SovereignCreditRiskExposureToGIIPSCountries
4340 Sovereign Credit Risk Exposure to GIIPS Countries [Table] Table

*

*

 db:SovereignCreditRiskExposureToGIIPSCountriesTable
4341 Sovereign Credit Risk Exposure to GIIPS Countries [Axis] Axis db:SovereignCreditRiskExposureToGIIPSCountriesAxis
4342 Total countries [Domain Member] Member country:AllCountriesDomain
4343 Greece [Member] Member country:GR
4344 Ireland [Member] Member country:IE
4345 Italy [Member] Member country:IT
4346 Portugal [Member] Member country:PT
4347 Spain [Member] Member country:ES
4348 Sovereign Credit Risk Exposure to GIIPS Countries [Line Items] LineItems db:SovereignCreditRiskExposureToGIIPSCountriesLineItems
4349 Direct Sovereign exposure Concept (Monetary) As Of Debit db:DirectSovereignExposure
4350 Net Notional of CDS referencing sovereign debt Concept (Monetary) As Of Debit db:NetNotionalOfCDSReferencingSovereignDebt
4351 Net sovereign exposure Concept (Monetary) As Of Debit db:NetSovereignExposure
4352 Memo Item: Net fair value of CDS referencing sovereign debt Concept (Monetary) As Of Debit db:MemoItemNetFairValueOfCDSReferencingSovereignDebt
4353 60007 - Disclosure - Risk Report - Asset Quality - Non-impaired past due loans at amortized cost by past due status (Detail) Network

*

*

 http://www.db.com/role/NonimpairedPastDueLoanExposure
4354 Nonimpaired Past Due Loan Exposure [Table] Table

*

*

 db:NonimpairedPastDueLoanExposureTable
4355 Nonimpaired Past Due Loan Exposure [Axis] Axis db:NonimpairedPastDueLoanExposureAxis
4356 Total [Member] Member db:TotalMember
4357 Loans less than 30 days past due Member ifrs-full:CurrentMember
4358 Loans 30 or more but less than 60 days past due Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
4359 Loans 60 or more but less than 90 days past due Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
4360 Loans 90 days or more past due Member ifrs-full:LaterThanThreeMonthsMember
4361 Past due loans [Axis] Axis ifrs-full:ImpairmentOfFinancialAssetsAxis
4362 Non-impaired past due loans [Member] Member ifrs-full:FinancialAssetsPastDueButNotImpairedMember
4363 Nonimpaired Past Due Loan Exposure [Line Items] LineItems db:NonimpairedPastDueLoanExposureLineItems
4364 Loans Concept (Monetary) As Of Debit db:Loans
4365 60008 - Disclosure - Risk Report - Aggregated Value of Collateral - with the fair values of collateral capped at loan outstanding - held against our non-impaired past due loans (Detail) Network

*

*

 http://www.db.com/role/AggregatedValueOfCollateralLoansPastDueButNotImpaired
4366 Aggregated Value of Collateral (Loans Past Due but Not Impaired) [Table] Table

*

*

 db:AggregatedValueOfCollateralLoansPastDueButNotImpairedTable
4367 Aggregated Value of Collateral (Loans Past Due but Not Impaired) [Axis] Axis db:AggregatedValueOfCollateralLoansPastDueButNotImpairedAxis
4368 Aggregated Value of Collateral (Loans Past Due but Not Impaired) [Domain Member] Member db:AggregatedValueOfCollateralLoansPastDueButNotImpairedDomainMember
4369 Aggregated Value of Collateral (Loans Past Due but Not Impaired) [Member] Member db:AggregatedValueOfCollateralLoansPastDueButNotImpairedMember
4370 Aggregated Value of Collateral (Loans Past Due but Not Impaired) [Line Items] LineItems db:AggregatedValueOfCollateralLoansPastDueButNotImpairedLineItems
4371 Financial and other collateral Concept (Monetary) As Of Debit db:FinancialAndOtherCollateral
4372 Guarantees received Concept (Monetary) As Of Debit db:GuaranteesReceived
4373 Total Concept (Monetary) As Of Debit db:AggregatedValueOfCollateral
4374 60009 - Disclosure - Risk Report - Impaired loans, allowance for loan losses and coverage ratios by business division (Detail) Network

*

*

 http://www.db.com/role/ImpairedLoansAllowanceAndCoverageRatioByBusinessDivision
4375 Impaired Loans, Allowance and Coverage Ratio by Business Division [Table] Table

*

*

 db:ImpairedLoansAllowanceAndCoverageRatioByBusinessDivisionTable
4376 Business Division [Axis] Axis db:BusinessDivisionAxis
4377 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
4378 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
4379 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
4380 Asset Management [Member] Member db:AssetManagementMember
4381 Non-Core Operations Unit [Member] Member db:NonCoreOperationsUnitMember
4382 thereof: assets reclassified to loans and receivables according to IAS 39 [Member] Member db:AssetsReclassifiedToLoansAndReceivablesAccordingToIAS39Member
4383 Corporate & Other [Member] Member db:CorporateAndOtherMember
4384 Impaired Loans, Allowance and Coverage Ratio by Business Division [Line Items] LineItems db:ImpairedLoansAllowanceAndCoverageRatioByBusinessDivisionLineItems
4385 Impaired loans Concept (Monetary) As Of Credit db:ImpairedLoans
4386 Loan loss allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
4387 Impaired loan coverage ratio in % Concept (Percent) For Period db:ImpairedLoanCoverageRatioInPercent
4388 Increase (decrease) from previous year, Impaired Loans Concept (Monetary) For Period db:IncreaseDecreaseOfImpairedLoans
4389 Increase (decrease) from previous year, Impaired loan coverage ratio in ppt Concept (Pure) For Period db:IncreaseDecreaseOfImpairedLoanCoverageRatioInPPT
4390 60010 - Disclosure - Risk Report - Impaired loans, allowance for loan losses and coverage ratios by industry (Detail) Network

*

*

 http://www.db.com/role/ImpairedLoansByIndustrySector
4391 Impaired Loans by Industry Sector [Table] Table

*

*

 db:ImpairedLoansByIndustrySectorTable
4392 Impaired Loans by Industry Sector [Axis] Axis db:ImpairedLoansByIndustrySectorAxis
4393 Impaired Loans by Industry Sector [Domain Member] Member db:ImpairedLoansByIndustrySectorDomainMember
4394 Total Impaired Loans [Member] Member ifrs-full:FinancialAssetsImpairedMember
4395 Individually assessed [Member] Member ifrs-full:FinancialAssetsIndividuallyAssessedForCreditLossesMember
4396 Collectively assessed [Member] Member ifrs-full:FinancialAssetsCollectivelyAssessedForCreditLossesMember
4397 Total loan loss allowance [Member] Member ifrs-full:AllowanceForCreditLossesMember
4398 Individually assessed allowance [Member] Member db:IndividuallyAssessedAllowanceMember
4399 Collectively assessed allowance for impaired loans [Member] Member db:CollectivelyAssessedAllowanceForImpairedLoansMember
4400 Collectively assessed allowance for non-impaired loans [Member] Member db:CollectivelyAssessedAllowanceForNonImpairedLoansMember
4401 Impaired loan coverage ratio in % [Member] Member db:ImpairedLoanCoverageRatioInPercentMember
4402 Impaired Loans by Industry Sector [Line Items] LineItems db:ImpairedLoansByIndustrySectorLineItems
4403 Financial intermediation Concept (Monetary) As Of Debit db:FinancialIntermediation
4404 Financial intermediation coverage ratio Concept (Percent) As Of db:FinancialIntermediationCoverageRatio
4405 Fund management activities Concept (Monetary) As Of Debit db:FundManagementActivities
4406 Fund management activities coverage ratio Concept (Percent) As Of db:FundManagementActivitiesCoverageRatio
4407 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
4408 Manufacturing coverage ratio Concept (Percent) As Of db:ManufacturingCoverageRatio
4409 Wholesale and retail trade Concept (Monetary) As Of Debit db:WholesaleAndRetailTrade
4410 Wholesale and retail trade coverage ratio Concept (Percent) As Of db:WholesaleAndRetailTradeCoverageRatio
4411 Households, excluding mortgages Concept (Monetary) As Of Debit db:Households
4412 Households coverage ratio Concept (Percent) As Of db:HouseholdsCoverageRatio
4413 Commercial real estate activities Concept (Monetary) As Of Debit db:CommercialRealEstateActivities
4414 Commercial real estate activities coverage ratio Concept (Percent) As Of db:CommercialRealEstateActivitiesCoverageRatio
4415 Public sector Concept (Monetary) As Of Debit db:PublicSector
4416 Public sector coverage ratio Concept (Percent) As Of db:PublicSectorCoverageRatio
4417 Other Concept (Monetary) As Of Debit db:OtherImpairedLoansByIndustrysector
4418 Other coverage ratio Concept (Percent) As Of db:OtherImpairedLoansByIndustrysectorCoverageRatio
4419 Total Concept (Monetary) As Of Credit db:ImpairedLoans
4420 Total coverage ratio Concept (Percent) As Of db:ImpairedLoansByIndustrySectorCoverageRatio
4421 60010 - Disclosure - Risk Report - Impaired Loans by Industry Sector (Detail: Text Values) Network

*

*

 http://www.db.com/role/ImpairedLoansByIndustrySectorTextValues
4422 Impaired Loans by Industry Sector [Table] Table

*

*

 db:ImpairedLoansByIndustrySectorTable
4423 Impaired Loans by Industry Sector [Axis] Axis db:ImpairedLoansByIndustrySectorAxis
4424 Impaired Loans by Industry Sector [Domain Member] Member db:ImpairedLoansByIndustrySectorDomainMember
4425 Total Impaired Loans [Member] Member ifrs-full:FinancialAssetsImpairedMember
4426 Total loan loss allowance [Member] Member ifrs-full:AllowanceForCreditLossesMember
4427 Impaired Loans by Industry Sector [Line Items] LineItems db:ImpairedLoansByIndustrySectorLineItems
4428 Transportation, storage and communication Concept (Monetary) As Of db:TransportationStorageAndCommunication
4429 Real estate, renting and business activities Concept (Monetary) As Of db:RealEstateRentingAndBusinessActivities
4430 Construction Concept (Monetary) As Of db:Construction
4431 Mining and quarrying Concept (Monetary) As Of db:MiningAndQuarrying
4432 60011 - Disclosure - Risk Report - Impaired loans by region (Detail) Network

*

*

 http://www.db.com/role/ImpairedLoansByRegion
4433 Impaired Loans by Region [Table] Table

*

*

 db:ImpairedLoansByRegionTable
4434 Impaired Loans by Region [Axis] Axis db:ImpairedLoansByRegionAxis
4435 Impaired Loans by Region [Domain Member] Member db:ImpairedLoansByRegionDomainMember
4436 Total Impaired Loans [Member] Member ifrs-full:FinancialAssetsImpairedMember
4437 Individually assessed [Member] Member ifrs-full:FinancialAssetsIndividuallyAssessedForCreditLossesMember
4438 Collectively assessed [Member] Member ifrs-full:FinancialAssetsCollectivelyAssessedForCreditLossesMember
4439 Total loan loss allowance [Member] Member ifrs-full:AllowanceForCreditLossesMember
4440 Individually assessed allowance [Member] Member db:IndividuallyAssessedAllowanceMember
4441 Collectively assessed allowance for impaired loans [Member] Member db:CollectivelyAssessedAllowanceForImpairedLoansMember
4442 Collectively assessed allowance for non-impaired loans [Member] Member db:CollectivelyAssessedAllowanceForNonImpairedLoansMember
4443 Impaired loan coverage ratio in % [Member] Member db:ImpairedLoanCoverageRatioInPercentMember
4444 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
4445 Total countries [Domain Member] Member country:AllCountriesDomain
4446 Germany [Member] Member country:DE
4447 Western Europe (excluding Germany) [Member] Member db:WesternEuropeExcludingGermanyMember
4448 Eastern Europe [Member] Member db:EasternEuropeMember
4449 North America [Member] Member srt:NorthAmericaMember
4450 Central and South America [Member] Member db:CentralAndSouthAmericaMember
4451 Asia/Pacific [Member] Member srt:AsiaPacificMember
4452 Africa [Member] Member srt:AfricaMember
4453 Other [Member] Member db:OtherCountryMember
4454 Impaired Loans by Region [Line Items] LineItems db:ImpairedLoansByRegionLineItems
4455 Impaired loans Concept (Monetary) As Of Credit db:ImpairedLoans
4456 Impaired loans by region, coverage ratio in % Concept (Percent) As Of db:ImpairedLoansByRegionCoverageRatioInPercent
4457 60012 - Disclosure - Risk Report - Collateral held against impaired loans, with fair values capped at transactional outstanding (Detail) Network

*

*

 http://www.db.com/role/AggregatedValueOfCollateralImpairedLoans
4458 Aggregated Value of Collateral (Impaired Loans) [Table] Table

*

*

 db:AggregatedValueOfCollateralImpairedLoansTable
4459 Aggregated Value of Collateral (Impaired Loans) [Axis] Axis db:AggregatedValueOfCollateralImpairedLoansAxis
4460 Aggregated Value of Collateral (Impaired Loans) [Domain Member] Member db:AggregatedValueOfCollateralImpairedLoansDomainMember
4461 Aggregated Value of Collateral (Impaired Loans) [Member] Member db:AggregatedValueOfCollateralImpairedLoansMember
4462 Aggregated Value of Collateral (Impaired Loans) [Line Items] LineItems db:AggregatedValueOfCollateralImpairedLoansLineItems
4463 Financial and other collateral Concept (Monetary) As Of Debit db:FinancialAndOtherCollateral
4464 Guarantees received Concept (Monetary) As Of Debit db:GuaranteesReceived
4465 Total collateral held for impaired loans Concept (Monetary) As Of Debit db:CollateralHeldForImpairedLoans
4466 60013 - Disclosure - Risk Report - Financial assets available for sale breakdown (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAvailableForSaleBreakdown
4467 Financial assets available for sale breakdown [Table] Table

*

*

 db:FinancialAssetsAvailableForSaleBreakdownTable
4468 Legal Entity (Deutsche Bank Parent) [Axis] Axis dei:LegalEntityAxis
4469 Consolidated legal entity [Domain Member] Member dei:EntityDomain
4470 Consolidated Bank [Member] Member db:consolidatedBankEntityMember
4471 Financial assets available for sale breakdown [Line Items] LineItems db:FinancialAssetsAvailableForSaleBreakdownLineItems
4472 Financial assets non-impaired past due available for sale Concept (Monetary) As Of Debit db:FinancialAssetsNonImpairedPastDueAvailableForSale
4473 thereof [Abstract] Abstract db:ThereofAbstract
4474 Less than 30 days past due Concept (Monetary) As Of Debit db:LessThan30DaysPastDue
4475 30 or more but less than 60 days past due Concept (Monetary) As Of Debit db:ThirtyOrMoreButLessThan60DaysPastDue
4476 60 or more but less than 90 days past due Concept (Monetary) As Of Debit db:SixtyOrMoreButLessThan90DaysPastDue
4477 90 days or more past due Concept (Monetary) As Of Debit db:NinetyDaysOrMorePastDue
4478 Impaired financial assets available for sale Concept (Monetary) As Of Debit db:ImpairedFinancialAssetsAvailableForSale
4479 Accumulated impairment for financial assets available for sale Concept (Monetary) As Of Credit db:AccumulatedImpairmentForFinancialAssetsAvailableForSale
4480 Impaired financial assets available for sale coverage ratio in % Concept (Percent) As Of db:ImpairedFinancialAssetsAvailableForSaleCoverageRatioInPercent
4481 Collateral held against impaired financial assets available for sale Concept (Monetary) As Of Debit db:CollateralHeldAgainstImpairedFinancialAssetsAvailableForSale
4482 thereof: Abstract db:ThereofCollateralHeldAgainstImpairedFinancialAssetsAvailableForSaleAbstract
4483 Financial and other collateral Concept (Monetary) As Of Debit db:FinancialAndOtherCollateral
4484 Guarantees received Concept (Monetary) As Of Debit db:GuaranteesReceived
4485 60014 - Disclosure - Exposures by Business Division (Detail) Network

*

*

 http://www.db.com/role/ExposuresByBusinessDivision
4486 Amortized Cost Exposures by Business Division [Table] Table

*

*

 db:AmortizedCostExposuresByBusinessDivisionTable
4487 Business Division [Axis] Axis db:BusinessDivisionAxis
4488 Total Consolidated Segments [Domain Member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
4489 Corporate & Investment Bank [Member] Member db:CorporateAndInvestmentBankMember
4490 Private & Commercial Bank [Member] Member db:PrivateAndCommercialBankMember
4491 Asset Management [Member] Member db:AssetManagementMember
4492 Corporate & Other [Member] Member db:CorporateAndOtherMember
4493 Stages [Axis] Axis db:StagesAxis
4494 Total Stages [Member] Member db:TotalStagesMember
4495 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4496 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4497 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4498 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4499 Amortized Cost Exposures by Business Division [Line Items] LineItems db:AmortizedCostExposuresByBusinessDivisionLineItems
4500 Gross Carrying Amount Concept (Monetary) As Of db:GrossCarryingValue
4501 Allowance for Credit Losses Concept (Monetary) As Of db:AllowanceForCreditLosses
4502 60015 - Disclosure - Financial Assets and Allowances by Industry Sector Allowance for Credit Losses (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAndAllowancesByIndustrySectorAllowanceForCreditLosses
4503 Financial Assets and Allowance at Amortized Cost by Industry Sector [Table] Table

*

*

 db:FinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorTable
4504 Stages [Axis] Axis db:StagesAxis
4505 Total Stages [Member] Member db:TotalStagesMember
4506 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4507 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4508 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4509 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4510 Financial Assets and Allowance at Amortized Cost by Industry Sector [Axis] Axis db:DBFinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorAxis
4511 Financial Assets and Allowance at Amortized Cost by Industry Sector [Domain Member] Member db:DBFinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorDomainMember
4512 Allowance for Credit Losses Member ifrs-full:AllowanceForCreditLossesMember
4513 Financial Assets and Allowance at Amortized Cost by Industry Sector [Line Items] LineItems db:FinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorLineItems
4514 Agriculture, forestry and fishing Concept (Monetary) As Of db:AgricultureForestryAndFishing
4515 Mining and quarrying Concept (Monetary) As Of db:MiningAndQuarrying
4516 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
4517 Electricity, gas, steam and air conditioning supply Concept (Monetary) As Of db:ElectricityGasSteamAndAirConditioningSupply
4518 Water supply, sewerage, waste management and remediation activities Concept (Monetary) As Of db:WaterSupplySewerageWasteManagementAndRemediationActivities
4519 Construction Concept (Monetary) As Of db:Construction
4520 Wholesale and retail trade, repair of motor vehicles and motorcycles Concept (Monetary) As Of db:WholesaleAndRetailTradeRepairOfMotorVehiclesAndMotorcycles
4521 Transport and storage Concept (Monetary) As Of db:TransportAndStorage
4522 Accommodation and food service activities Concept (Monetary) As Of db:AccommodationAndFoodServiceActivities
4523 Information and communication Concept (Monetary) As Of db:InformationAndCommunication
4524 Financial and insurance activities Concept (Monetary) As Of db:FinancialAndInsuranceActivities
4525 Real estate activities Concept (Monetary) As Of db:RealEstateActivities
4526 Professional, scientific and technical activities Concept (Monetary) As Of db:ProfessionalScientificAndTechnicalActivities
4527 Administrative and support service activities Concept (Monetary) As Of db:AdministrativeAndSupportServiceActivities
4528 Public administration and defense, compulsory social security Concept (Monetary) As Of db:PublicAdministrationAndDefenseCompulsorySocialSecurity
4529 Education Concept (Monetary) As Of db:Education
4530 Human health services and social work activities Concept (Monetary) As Of db:HumanHealthServicesAndSocialWorkActivities
4531 Arts, entertainment and recreation Concept (Monetary) As Of db:ArtsEntertainmentAndRecreation
4532 Other service activities Concept (Monetary) As Of db:OtherServiceActivities
4533 Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use Concept (Monetary) As Of db:ActivitiesOfHouseholdsAsEmployersUndifferentiatedGoodsAndServicesProducingActivitiesOfHouseholdsForOwnUse
4534 Activities of extraterritorial organizations and bodies Concept (Monetary) As Of db:ActivitiesOfExtraterritorialOrganizationsAndBodies
4535 Total Concept (Monetary) As Of db:AllowanceForCreditLosses
4536 60015 - Disclosure - Financial Assets and Allowances by Industry Sector Gross Carrying Amount (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAndAllowancesByIndustrySectorGrossCarryingAmount
4537 Financial Assets and Allowance at Amortized Cost by Industry Sector [Table] Table

*

*

 db:FinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorTable
4538 Stages [Axis] Axis db:StagesAxis
4539 Total Stages [Member] Member db:TotalStagesMember
4540 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4541 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4542 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4543 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4544 Financial Assets and Allowance at Amortized Cost by Industry Sector [Axis] Axis db:DBFinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorAxis
4545 Financial Assets and Allowance at Amortized Cost by Industry Sector [Domain Member] Member db:DBFinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorDomainMember
4546 Gross Carrying Amount [Member] Member db:GrossCarryingValueMember
4547 Financial Assets and Allowance at Amortized Cost by Industry Sector [Line Items] LineItems db:FinancialAssetsAndAllowanceAtAmortizedCostByIndustrySectorLineItems
4548 Agriculture, forestry and fishing Concept (Monetary) As Of db:AgricultureForestryAndFishing
4549 Mining and quarrying Concept (Monetary) As Of db:MiningAndQuarrying
4550 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
4551 Electricity, gas, steam and air conditioning supply Concept (Monetary) As Of db:ElectricityGasSteamAndAirConditioningSupply
4552 Water supply, sewerage, waste management and remediation activities Concept (Monetary) As Of db:WaterSupplySewerageWasteManagementAndRemediationActivities
4553 Construction Concept (Monetary) As Of db:Construction
4554 Wholesale and retail trade, repair of motor vehicles and motorcycles Concept (Monetary) As Of db:WholesaleAndRetailTradeRepairOfMotorVehiclesAndMotorcycles
4555 Transport and storage Concept (Monetary) As Of db:TransportAndStorage
4556 Accommodation and food service activities Concept (Monetary) As Of db:AccommodationAndFoodServiceActivities
4557 Information and communication Concept (Monetary) As Of db:InformationAndCommunication
4558 Financial and insurance activities Concept (Monetary) As Of db:FinancialAndInsuranceActivities
4559 Real estate activities Concept (Monetary) As Of db:RealEstateActivities
4560 Professional, scientific and technical activities Concept (Monetary) As Of db:ProfessionalScientificAndTechnicalActivities
4561 Administrative and support service activities Concept (Monetary) As Of db:AdministrativeAndSupportServiceActivities
4562 Public administration and defense, compulsory social security Concept (Monetary) As Of db:PublicAdministrationAndDefenseCompulsorySocialSecurity
4563 Education Concept (Monetary) As Of db:Education
4564 Human health services and social work activities Concept (Monetary) As Of db:HumanHealthServicesAndSocialWorkActivities
4565 Arts, entertainment and recreation Concept (Monetary) As Of db:ArtsEntertainmentAndRecreation
4566 Other service activities Concept (Monetary) As Of db:OtherServiceActivities
4567 Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use Concept (Monetary) As Of db:ActivitiesOfHouseholdsAsEmployersUndifferentiatedGoodsAndServicesProducingActivitiesOfHouseholdsForOwnUse
4568 Activities of extraterritorial organizations and bodies Concept (Monetary) As Of db:ActivitiesOfExtraterritorialOrganizationsAndBodies
4569 Total Concept (Monetary) As Of db:GrossCarryingValue
4570 60016 - Disclosure - Financial Assets and Allowances by Region (Detail) Network

*

*

 http://www.db.com/role/FinancialAssetsAndAllowancesByRegion
4571 Financial Assets and Allowance by Region [Table] Table

*

*

 db:FinancialAssetsAndAllowanceByRegionTable
4572 Countries [Axis] Axis ifrs-full:GeographicalAreasAxis
4573 Total countries [Domain Member] Member country:AllCountriesDomain
4574 Germany [Member] Member country:DE
4575 Western Europe (excluding Germany) [Member] Member db:WesternEuropeExcludingGermanyMember
4576 Eastern Europe [Member] Member db:EasternEuropeMember
4577 North America [Member] Member srt:NorthAmericaMember
4578 Central and South America [Member] Member db:CentralAndSouthAmericaMember
4579 Asia/Pacific [Member] Member srt:AsiaPacificMember
4580 Africa [Member] Member srt:AfricaMember
4581 Other countries [Member] Member db:OtherCountryMember
4582 Stages [Axis] Axis db:StagesAxis
4583 Total [Member] Member db:TotalStagesMember
4584 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4585 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4586 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4587 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4588 Financial Assets and Allowance by Region [Line Items] LineItems db:FinancialAssetsAndAllowanceByRegionLineItems
4589 Gross Carrying Amount Concept (Monetary) As Of db:GrossCarryingValue
4590 Allowance for Credit Losses Concept (Monetary) As Of db:AllowanceForCreditLosses
4591 60017 - Disclosure - Collateral held against credit-impaired financial assets (Detail) Network

*

*

 http://www.db.com/role/CollateralHeldAgainstCreditImpairedFinancialAssets
4592 Collateral held against credit-impaired financial assets at Amortized Cost [Table] Table

*

*

 db:CollateralHeldAgainstCreditImpairedFinancialAssetsAtAmortizedCostTable
4593 Collateral held against credit-impaired financial assets at Amortized Cost [Axis] Axis db:CollateralHeldAgainstCreditImpairedFinancialAssetsAtAmortizedCostAxis
4594 Collateral held against credit-impaired financial assets at Amortized Cost [Domain Member] Member db:CollateralHeldAgainstCreditImpairedFinancialAssetsAtAmortizedCostDomainMember
4595 Collateral held against credit-impaired financial assets at Amortized Cost [Member] Member db:CollateralHeldAgainstCreditImpairedFinancialAssetsAtAmortizedCostMember
4596 Financial Assets at Amortized Cost (Stage 3) [Axis] Axis db:FinancialAssetsAtAmortizedCostStage3Axis
4597 Financial Assets at Amortized Cost (Stage 3) [Domain Member] Member db:FinancialAssetsAtAmortizedCostStage3DomainMember
4598 Financial Assets at Amortized Cost (Stage 3) [Member] Member db:FinancialAssetsAtAmortizedCostStage3Member
4599 Collateral held against credit-impaired financial assets at Amortized Cost [Line Items] LineItems db:CollateralHeldAgainstCreditImpairedFinancialAssetsAtAmortizedCostLineItems
4600 Gross Carrying Amount Concept (Monetary) As Of db:GrossCarryingValue
4601 Collateral Concept (Monetary) As Of db:CollateralObtained
4602 Guarantees Concept (Monetary) As Of Debit db:GuaranteesReceived
4603 60017 - Disclosure - Collateral Obtained (Detail: Text Values) Network

*

*

 http://www.db.com/role/CollateralObtainedTextValues
4604 Implied Table Table

*

*

 implied:Table
4605 Collateral Obtained [Abstract] Abstract db:CollateralObtainedAbstract
4606 Carrying amount of foreclosed residential real estate properties Concept (Monetary) As Of db:CarryingAmountOfForeclosedResidentialRealEstateProperties
4607 60017 - Disclosure - Risk Report - Collateral obtained during the reporting periods (Detail) Network

*

*

 http://www.db.com/role/CollateralObtained
4608 Implied Table Table

*

*

 implied:Table
4609 Collateral Obtained [Abstract] Abstract db:CollateralObtainedAbstract
4610 Commercial real estate Concept (Monetary) As Of Debit db:CommercialRealEstate
4611 Residential real estate Concept (Monetary) As Of Debit db:ResidentialRealEstate
4612 Other Concept (Monetary) As Of Debit db:OtherCollateralObtained
4613 Total collateral obtained during the reporting period Concept (Monetary) As Of Debit db:CollateralObtainedDuringTheReportingPeriod
4614 60018 - Disclosure - Risk Report - Trading Market Risk Exposures - Value-at Risk of Trading Units by Risk Type (Detail) Network

*

*

 http://www.db.com/role/ValueAtRiskOfTradingUnitsByRiskType
4615 Value-at Risk of Trading Units by Risk Type [Table] Table

*

*

 db:ValueAtRiskOfTradingUnitsByRiskTypeTable
4616 Value-at Risk of Trading Units by Risk Type [Axis] Axis db:ValueAtRiskOfTradingUnitsByRiskTypeAxis
4617 Value-at Risk of Trading Units by Risk Type [Domain Member] Member db:ValueAtRiskOfTradingUnitsByRiskTypeDomainMember
4618 Total [Member] Member db:TotalMember
4619 Diversification effect [Member] Member db:DiversificationEffectMember
4620 Interest Rate Risk [Member] Member ifrs-full:InterestRateRiskMember
4621 Credit Spread Risk [Member] Member db:CreditSpreadRiskMember
4622 Equity Price Risk [Member] Member ifrs-full:EquityPriceRiskMember
4623 Foreign Exchange Risk [Member] Member db:ForeignExchangeRiskMember
4624 Commodity Price Risk [Member] Member ifrs-full:CommodityPriceRiskMember
4625 Value-at Risk of Trading Units by Risk Type [line items] LineItems db:ValueAtRiskOfTradingUnitsByRiskTypeLineItems
4626 Period-end, Value-at Risk of Trading Units by Risk Type Concept (Monetary) As Of db:ValueAtRiskOfTradingUnitsByRiskType
4627 60019 - Disclosure - Risk Report - Trading Market Risk Exposures - Average, Maximum and Minimum Stressed Value-at-Risk by Risk Type (Detail) Network

*

*

 http://www.db.com/role/StressedValueAtRiskAverageMaximumMinumum
4628 Stressed Value-at-Risk (average, maximum, minumum) [Table] Table

*

*

 db:StressedValueAtRiskAverageMaximumMinumumTable
4629 Stressed Value-at-Risk (average, maximum, minumum) [Axis] Axis db:StressedValueAtRiskAverageMaximumMinumumAxis
4630 Stressed Value-at-Risk (average, maximum, minumum) [Domain Member] Member db:StressedValueAtRiskAverageMaximumMinumumDomainMember
4631 Total [Member] Member db:TotalMember
4632 Diversification effect [Member] Member db:DiversificationEffectMember
4633 Interest Rate Risk [Member] Member ifrs-full:InterestRateRiskMember
4634 Credit Spread Risk [Member] Member db:CreditSpreadRiskMember
4635 Equity Price Risk [Member] Member ifrs-full:EquityPriceRiskMember
4636 Foreign Exchange Risk [Member] Member db:ForeignExchangeRiskMember
4637 Commodity Price Risk [Member] Member ifrs-full:CommodityPriceRiskMember
4638 Stressed Value-at-Risk (average, maximum, minumum) [line items] LineItems db:StressedValueAtRiskAverageMaximumMinumumLineItems
4639 Period-end, Stressed Value-at-Risk (average, maximum, minumum) Concept (Monetary) As Of db:StressedValueAtRisk
4640 60020 - Disclosure - Risk Report - Trading Market Risk Exposures - Average, Maximum and Minimum Incremental Risk Charge of Trading Units (with a 99.9 % confidence level and one-year capital horizon) (Detail) Network

*

*

 http://www.db.com/role/IncrementalRiskChargeAverageMaximumMinimum
4641 Incremental Risk Charge (average, maximum, minimum) [Table] Table

*

*

 db:IncrementalRiskChargeAverageMaximumMinimumTable
4642 Incremental Risk Charge (average, maximum, minimum) [Axis] Axis db:IncrementalRiskChargeAverageMaximumMinimumAxis
4643 Incremental Risk Charge (average, maximum, minimum) [Domain Member] Member db:IncrementalRiskChargeAverageMaximumMinimumDomainMember
4644 Total [Member] Member db:TotalMember
4645 Global Credit Trading [Member] Member db:GlobalCreditTradingMember
4646 Core Rates [Member] Member db:CoreRatesMember
4647 Fixed Income & Currencies APAC [Member] Member db:FixedIncomeAndCurrenciesAPACMember
4648 Emerging Markets, Debt [Member] Member db:EmergingMarketsDebtMember
4649 Other [Member] Member db:OtherMember
4650 Incremental Risk Charge (average, maximum, minimum) [line items] LineItems db:IncrementalRiskChargeAverageMaximumMinimumLineItems
4651 Period-end Concept (Monetary) As Of db:PeriodEndIncrementalRiskChargeAverageMaximumMinimum
4652 60021 - Disclosure - Risk Report - Trading Market Risk Exposures - Average, Maximum and Minimum Comprehensive Risk Measure of Trading Units (with a 99.9 % confidence level and one-year capital horizon) (Detail) Network

*

*

 http://www.db.com/role/ComprehensiveRiskMeasureAverageMaximumMinimum
4653 Implied Table Table

*

*

 implied:Table
4654 Comprehensive Risk Measure (average, maximum, minimum) Abstract db:ComprehensiveRiskMeasureAverageMaximumMinimum
4655 Period-end Concept (Monetary) As Of db:PeriodEndComprehensiveRiskMeasureAverageMaximumMinimum
4656 60023 - Disclosure - Risk Report - Liquidity Risk Exposure - Global All Currency Stress Testing Results (Detail) Network

*

*

 http://www.db.com/role/GlobalAllCurrencyStressTestingResults
4657 Global All Currency Stress Testing Results [Table] Table

*

*

 db:GlobalAllCurrencyStressTestingResultsTable
4658 Global All Currency Stress Testing Results [Axis] Axis db:GlobalAllCurrencyStressTestingResultsAxis
4659 Global All Currency Stress Testing Results [Domain Member] Member db:GlobalAllCurrencyStressTestingResultsDomainMember
4660 Funding Gap [Member] Member db:FundingGapMember
4661 Gap Closure [Member] Member db:GapClosureMember
4662 Net Liquidity Position [Member] Member db:NetLiquidityPositionMember
4663 Global All Currency Stress Testing Results [line items] LineItems db:GlobalAllCurrencyStressTestingResultsLineItems
4664 Systemic market risk Concept (Monetary) As Of db:SystemicMarketRisk
4665 Emerging markets Concept (Monetary) As Of db:EmergingMarkets
4666 1 notch downgrade (DB specific) Concept (Monetary) As Of db:OneNotchDowngradeDBSpecific
4667 Severe downgrade (DB specific) Concept (Monetary) As Of db:SevereDowngradeDBSpecific
4668 Combined Concept (Monetary) As Of db:CombinedGlobalAllCurrencyStressTestingResults
4669 60025 - Disclosure - Development of exposures in the reporting period, Gross Carrying Amount (Detail) Network

*

*

 http://www.db.com/role/DevelopmentOfExposuresInTheReportingPeriodGrossCarryingAmount
4670 Development of exposures and allowance for credit losses in the reporting period [Table] Table

*

*

 db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodTable
4671 Stages [Axis] Axis db:StagesAxis
4672 Total Stages [Member] Member db:TotalStagesMember
4673 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4674 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4675 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4676 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4677 Development of exposures and allowance for credit losses in the reporting period [Axis] Axis db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodAxis
4678 Development of exposures and allowance for credit losses in the reporting period [Domain Member] Member db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodDomainMember
4679 Gross Carrying Amount [Member] Member db:GrossCarryingValueMember
4680 Development of exposures and allowance for credit losses in the reporting period [Line Items] LineItems db:DevelopmentOfExposuresAndAllowanceForCreditLossesInTheReportingPeriodLineItems
4681 Balance, beginning of year Concept (Monetary) As Of db:GrossCarryingValue
4682 Movements in financial assets including new business Concept (Monetary) As Of db:MovementsIncludingNewBusiness
4683 Transfers due to changes in creditworthiness Concept (Monetary) For Period Credit db:TransfersDueToChangesInCreditWorthiness
4684 Changes due to modifications that did not result in derecognition Concept (Monetary) For Period Credit db:ChangesDueToModificationsThatDidNotResultInDerecognition
4685 Changes in models Concept (Monetary) For Period Credit db:ChangesInModels
4686 Financial assets that have been derecognized during the period Concept (Monetary) For Period Credit db:FinancialAssetsThatHaveBeenDerecognizedDuringThePeriod
4687 Recovery of written off amounts Concept (Monetary) As Of db:RecoveryOfWrittenOffAmounts
4688 Foreign exchange and other changes Concept (Monetary) For Period Credit db:ForeignExchangeAndOtherChanges
4689 Balance, end of the reporting period Concept (Monetary) As Of db:GrossCarryingValue
4690 60026 - Disclosure - Modified Assets Amortized Cost (Detail) Network

*

*

 http://www.db.com/role/ModifiedAssetsAmortizedCost
4691 Modified Assets Amortized Cost [Table] Table

*

*

 db:ModifiedAssetsAmortizedCostTable
4692 Stages [Axis] Axis db:StagesAxis
4693 Total Stages [Member] Member db:TotalStagesMember
4694 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4695 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4696 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4697 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4698 Modified Assets Amortized Cost [Axis] Axis db:ModifiedAssetsAmortizedCostAxis
4699 Modified Assets Amortized Cost [Domain Member] Member db:ModifiedAssetsAmortizedCostDomainMember
4700 Modified Assets Amortized Cost [Member] Member db:ModifiedAssetsAmortizedCostMember
4701 Modified Assets Amortized Cost [Line Items] LineItems db:ModifiedAssetsAmortizedCostLineItems
4702 Amortized cost carrying amount prior to modification Concept (Monetary) For Period Debit ifrs-full:FinancialAssetsWithContractualCashFlowsModifiedDuringReportingPeriodWhileLossAllowanceMeasuredAtLifetimeExpectedCreditLossesAmortisedCostBeforeModification
4703 Net modification gain/losses recognized Concept (Monetary) For Period Credit ifrs-full:FinancialAssetsWithContractualCashFlowsModifiedDuringReportingPeriodWhileLossAllowanceMeasuredAtLifetimeExpectedCreditLossesModificationGainLoss
4704 60027 - Disclosure - Off-balance sheet lending commitments and guarantee business, Nomainal Amount (Detail) Network

*

*

 http://www.db.com/role/OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessNominalAmount
4705 Off-balance sheet lending commitments and guarantee business [Table] Table

*

*

 db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessTable
4706 Off-balance sheet lending commitments and guarantee business [Axis] Axis db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessAxis
4707 Off-balance sheet lending commitments and guarantee business [Domain Member] Member db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessDomainMember
4708 Nominal amount [Member] Member db:NominalAmountMember
4709 Stages [Axis] Axis db:StagesAxis
4710 Total Stages [Member] Member db:TotalStagesMember
4711 Stage 1 [Member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4712 Stage 2 [Member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4713 Stage 3 [Member] Member ifrs-full:FinancialInstrumentsCreditimpairedAfterPurchaseOrOriginationMember
4714 Stage 3 POCI [Member] Member ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
4715 Off-balance sheet lending commitments and guarantee business [Line Items] LineItems db:OffBalanceSheetLendingCommitmentsAndGuaranteeBusinessLineItems
4716 Balance, beginning of year Concept (Monetary) As Of db:NominalAmount
4717 Movements in financial assets including new business Concept (Monetary) As Of db:MovementsIncludingNewBusiness
4718 Transfers due to changes in creditworthiness Concept (Monetary) For Period Credit db:TransfersDueToChangesInCreditWorthiness
4719 Changes in models Concept (Monetary) For Period Credit db:ChangesInModels
4720 Financial assets that have been derecognized during the period Concept (Monetary) For Period Credit db:FinancialAssetsThatHaveBeenDerecognizedDuringThePeriod
4721 Foreign exchange and other changes Concept (Monetary) For Period Credit db:ForeignExchangeAndOtherChanges
4722 Balance, end of reporting period Concept (Monetary) As Of db:NominalAmount
4723 60028 - Disclosure - Credit Risk Profile by Industry Sector IAS 39 (Detail) Network

*

*

 http://www.db.com/role/CreditRiskProfileByIndustrySectorIAS39
4724 Credit Risk Profile by Industry Sector [Table] Table

*

*

 db:CreditRiskProfileByIndustrySectorTable
4725 Key Ratios [Axis] Axis db:KeyRatiosAxis
4726 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4727 IAS 39 [Member] Member db:IAS39Member
4728 Credit Risk Profile by Industry Sector [Axis] Axis db:CreditRiskProfileByIndustrySectorAxis
4729 Total Member db:CreditRiskProfileByIndustrySectorDomainMember
4730 Loans [Member] Member db:LoansMember
4731 Irrevocable lending commitments [Member] Member db:IrrevocableLendingCommitmentsMember
4732 Contingent liabilities [Member] Member ifrs-full:ContingentLiabilitiesMember
4733 OTC derivatives [Member] Member db:OTCDerivativesMember
4734 Traded Loans [Member] Member db:TradedLoansMember
4735 Traded Bonds [Member] Member db:TradedBondsMember
4736 Debt securities [Member] Member ifrs-full:DebtSecuritiesMember
4737 Repo and repo-style transactions [Member] Member db:RepoAndRepoStyleTransactionsMember
4738 Credit Risk Profile by Industry Sector [Line Items] LineItems db:CreditRiskProfileByIndustrySectorLineItems
4739 Financial intermediation Concept (Monetary) As Of Debit db:FinancialIntermediation
4740 Fund management activities Concept (Monetary) As Of Debit db:FundManagementActivities
4741 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
4742 Wholesale and retail trade Concept (Monetary) As Of Debit db:WholesaleAndRetailTrade
4743 Households, excluding mortgages Concept (Monetary) As Of Debit db:Households
4744 Commercial real estate activities Concept (Monetary) As Of Debit db:CommercialRealEstateActivities
4745 Public sector Concept (Monetary) As Of Debit db:PublicSector
4746 Other Concept (Monetary) As Of db:OtherCreditRiskProfileByIndustrySector
4747 Total Concept (Monetary) As Of db:CreditRiskProfile
4748 60028 - Disclosure - Credit Risk Profile by Industry Sector IFRS 9 (Detail) Network

*

*

 http://www.db.com/role/CreditRiskProfileByIndustrySectorIFRS9
4749 Credit Risk Profile by Industry Sector [Table] Table

*

*

 db:CreditRiskProfileByIndustrySectorTable
4750 Key Ratios [Axis] Axis db:KeyRatiosAxis
4751 Key Ratios [Domain Member] Member db:KeyRatiosDomainMember
4752 IFRS 9 [Member] Member db:IFRS9Member
4753 Credit Risk Profile by Industry Sector [Axis] Axis db:CreditRiskProfileByIndustrySectorAxis
4754 Total Member db:CreditRiskProfileByIndustrySectorDomainMember
4755 Loans [Member] Member db:LoansMember
4756 Off-balance sheet [Member] Member db:OffBalanceSheetMember
4757 OTC derivatives [Member] Member db:OTCDerivativesMember
4758 Debt securities [Member] Member ifrs-full:DebtSecuritiesMember
4759 Repo and repo-style transactions [Member] Member db:RepoAndRepoStyleTransactionsMember
4760 Credit Risk Profile [Axis] Axis db:CreditRiskProfileAxis
4761 Credit Risk Profile [Domain Member] Member db:CreditRiskProfileDomainMember
4762 at amortized cost [Member] Member db:AtAmortizedCostMember
4763 at fair value through P/L [Member] Member db:AtFairValueThroughProfitOrLossMember
4764 Designated / mandatory at fair value through P/L [Member] Member db:DesignatedMandatoryAtFairValueThroughProfitOrLossMember
4765 at fair value through OCI [Member] Member db:AtFairValueThroughOCIMember
4766 Revocable and irrevocable lending commitments [Member] Member db:RevocableAndIrrevocableLendingCommitmentsMember
4767 Contingent liabilities [Member] Member ifrs-full:ContingentLiabilitiesMember
4768 Credit Risk Profile by Industry Sector [Line Items] LineItems db:CreditRiskProfileByIndustrySectorLineItems
4769 Agriculture, forestry and fishing Concept (Monetary) As Of db:AgricultureForestryAndFishing
4770 Mining and quarrying Concept (Monetary) As Of db:MiningAndQuarrying
4771 Manufacturing Concept (Monetary) As Of Debit db:Manufacturing
4772 Electricity, gas, steam and air conditioning supply Concept (Monetary) As Of db:ElectricityGasSteamAndAirConditioningSupply
4773 Water supply, sewerage, waste management and remediation activities Concept (Monetary) As Of db:WaterSupplySewerageWasteManagementAndRemediationActivities
4774 Construction Concept (Monetary) As Of db:Construction
4775 Wholesale and retail trade, repair of motor vehicles and motorcycles Concept (Monetary) As Of db:WholesaleAndRetailTradeRepairOfMotorVehiclesAndMotorcycles
4776 Transport and storage Concept (Monetary) As Of db:TransportAndStorage
4777 Accommodation and food service activities Concept (Monetary) As Of db:AccommodationAndFoodServiceActivities
4778 Information and communication Concept (Monetary) As Of db:InformationAndCommunication
4779 Financial and insurance activities Concept (Monetary) As Of db:FinancialAndInsuranceActivities
4780 Real estate activities Concept (Monetary) As Of db:RealEstateActivities
4781 Professional, scientific and technical activities Concept (Monetary) As Of db:ProfessionalScientificAndTechnicalActivities
4782 Administrative and support service activities Concept (Monetary) As Of db:AdministrativeAndSupportServiceActivities
4783 Public administration and defense, compulsory social security Concept (Monetary) As Of db:PublicAdministrationAndDefenseCompulsorySocialSecurity
4784 Education Concept (Monetary) As Of db:Education
4785 Human health services and social work activities Concept (Monetary) As Of db:HumanHealthServicesAndSocialWorkActivities
4786 Arts, entertainment and recreation Concept (Monetary) As Of db:ArtsEntertainmentAndRecreation
4787 Other service activities Concept (Monetary) As Of db:OtherServiceActivities
4788 Activities of households as employers, undifferentiated goods- and services-producing activities of households for own use Concept (Monetary) As Of db:ActivitiesOfHouseholdsAsEmployersUndifferentiatedGoodsAndServicesProducingActivitiesOfHouseholdsForOwnUse
4789 Activities of extraterritorial organizations and bodies Concept (Monetary) As Of db:ActivitiesOfExtraterritorialOrganizationsAndBodies
4790 Total Concept (Monetary) As Of db:CreditRiskProfile
4791 60029 - Disclosure - Risk Report - Nontrading Market Risk Exposures - Economic Capital Usage by risk type (Detail) Network

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 http://www.db.com/role/CarryingValueAndEconomicCapitalUsageForNontradingMarketRiskPortfolios
4792 Carrying Value and Economic Capital Usage for Nontrading Market Risk Portfolios [Table] Table

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 db:CarryingValueAndEconomicCapitalUsageForNontradingMarketRiskPortfoliosTable
4793 Carrying Value and Economic Capital Usage for Nontrading Market Risk Portfolios [Axis] Axis db:CarryingValueAndEconomicCapitalUsageForNontradingMarketRiskPortfoliosAxis
4794 Carrying Value and Economic Capital Usage for Nontrading Market Risk Portfolios [Domain Member] Member db:CarryingValueAndEconomicCapitalUsageForNontradingMarketRiskPortfoliosDomainMember
4795 Economic capital usage [Member] Member db:EconomicCapitalUsageMember
4796 Carrying Value and Economic Capital Usage for Nontrading Market Risk Portfolios [line items] LineItems db:CarryingValueAndEconomicCapitalUsageForNontradingMarketRiskPortfoliosLineItems
4797 Interest rate risk Concept (Monetary) As Of db:InterestRateRisk
4798 Credit spread risk Concept (Monetary) As Of db:CreditSpreadRisk
4799 Equity and investment risk Concept (Monetary) As Of db:EquityAndInvestmentRisk
4800 Foreign exchange risk Concept (Monetary) As Of db:lForeignExchangeRisk
4801 Pension risk Concept (Monetary) As Of db:PensionRisk
4802 Guaranteed funds risk Concept (Monetary) As Of db:GuaranteedFundsRisk
4803 Nontrading market risk portfolios Concept (Monetary) As Of db:NontradingMarketRiskPortfolios
4804 60090 - Disclosure - Parenthetical Information Liquidity Risk Management (Detail: Text Values) Network

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*

 http://www.db.com/role/ParentheticalInformationLiquidityRiskManagementTextValues
4805 Liquidity Risk Management [Table] Table

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*

 db:LiquidityRiskManagementTable
4806 Liquidity Risk Management [Axis] Axis db:LiquidityRiskManagementAxis
4807 Liquidity Risk Management [Domain Member] Member db:LiquidityRiskManagementDomainMember
4808 U.S. dollar [Member] Member db:USDollarMember
4809 GBP [Member] Member db:GBPMember
4810 Liquidity Risk Management [Line Items] LineItems db:LiquidityRiskManagementLineItems
4811 Maximum short position in any time bucket (more than 1 year to more than 10 years) Concept (Monetary) For Period db:MaximumShortPositionInAnyTimeBucketMoreThan1YearToMoreThan10Years
4812 60091 - Disclosure - Financial Assets at Amortized Cost (Detail: Text Values) Network

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 http://www.db.com/role/FinancialAssetsAtAmortizedCostTextValues
4813 Implied Table Table

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 implied:Table
4814 Financial assets at amortized cost [Abstract] Abstract db:FinancialAssetsAtAmortizedCostAbstract
4815 Financial assets at amortized cost subject to impairment [Abstract] Abstract db:FinancialAssetsAtAmortizedCostSubjectToImpairmentAbstract
4816 YoY increase (decrease) mainly driven by Stage 1 Concept (Monetary) As Of db:YoYIncreaseDecreaseMainlyDrivenByStage1
4817 YoY increase (decrease) mainly driven by Stage 1, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseMainlyDrivenByStage1InPercent
4818 YoY increase (decrease) of Stage 1 exposures driven by Cash and central bank balances due to reductions in deposits and short-term borrowings Concept (Monetary) As Of db:YoYIncreaseDecreaseOfStage1ExposuresDrivenByCashAndCentralBankBalancesDueToReductionsInDepositsAndShortTermBorrowings
4819 YoY increase (decrease) of Stage 1 exposures driven by Cash and central bank balances due to reductions in deposits and short-term borrowings, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseOfStage1ExposuresDrivenByCashAndCentralBankBalancesDueToReductionsInDepositsAndShortTermBorrowingsInPercent
4820 YoY increase (decrease) of Stage 2 exposures driven by Loans at amortized cost in CIB Concept (Monetary) As Of db:YoYIncreaseDecreaseOfStage2ExposuresDrivenByLoansAtAmortizedCostInCIB
4821 YoY increase (decrease) of Stage 2 exposures driven by Loans at amortized cost in CIB, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseOfStage2ExposuresDrivenByLoansAtAmortizedCostInCIBInPercent
4822 YoY increase (decrease) of Stage 3 exposures driven by CIB, mainly reflecting de-risking activities in our shipping portfolio Concept (Monetary) As Of db:YoYIncreaseDecreaseOfStage3ExposuresDrivenByCIBMmainlyReflectingDeRiskingActivitiesInOurShippingPortfolio
4823 YoY increase (decrease) of Stage 3 exposures driven by CIB, mainly reflecting de-risking activities in our shipping portfolio, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseOfStage3ExposuresDrivenByCIBMmainlyReflectingDeRiskingActivitiesInOurShippingPortfolioInPercent
4824 Allowance for credit losses against financial assets at amortized cost subject to impairment [Abstract] Abstract db:AllowanceForCreditLossesAgainstFinancialAssetsAtAmortizedCostSubjectToImpairmentAbstract
4825 YoY increase (decrease) mainly driven by Stage 3 Concept (Monetary) As Of db:YoYIncreaseDecreaseMainlyDrivenByStage3
4826 YoY increase (decrease) mainly driven by Stage 3, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseMainlyDrivenByStage3InPercent
4827 YoY increase (decrease) of Stage 1 allowances driven by additional provisions in CIB to reflect for a weakening macro-economic outlook as well as a one-off adjustment to the calculation methodology on certain loans on which we hold insurance protection Concept (Monetary) As Of db:YoYIncreaseDecreaseOfStage1AllowancesDrivenByAdditionalProvisionsInCIBToReflectForWeakeningMacroEconomicOutlookOneOffAdjustmentToCalculationMethodologyOnCertainLoansOnWhichWeHoldInsuranceProtection
4828 YoY increase (decrease) of Stage 1 allowances driven by additional provisions in CIB to reflect for a weakening macro-economic outlook as well as a one-off adjustment to the calculation methodology on certain loans on which we hold insurance protection, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseOfStage1AllowancesDrivenByAdditionalProvisionsInCIBWeakeningMacroEconomicOutlookOneOffAdjustmentToCalculationMethodologyOnCertainLoansOnHoldInsuranceProtectionPercent
4829 YoY increase (decrease) of Stage 3 allowances driven by CIB, where charge offs partly related to de-risking activities in our shipping portfolio overcompensated additional provisions Concept (Monetary) As Of db:YoYIncreaseDecreaseOfStage3AllowancesDrivenByCIBWhereChargeOffsPartlyRelatedToDeRiskingActivitiesInOurShippingPortfolioOvercompensatedAdditionalProvisions
4830 YoY increase (decrease) of Stage 3 allowances driven by CIB, where charge offs partly related to de-risking activities in our shipping portfolio overcompensated additional provisions, in percent Concept (Percent) As Of db:YoYIncreaseDecreaseOfStage3AllowancesDrivenByCIBWhereChargeOffsPartlyRelatedToDeRiskingActivitiesInOurShippingPortfolioOvercompensatedAdditionalProvisionsInPercent
4831 Existing commitments to lend additional funds to debtors with Stage 3 financial assets at amortized cost Concept (Monetary) As Of db:ExistingCommitmentsToLendAdditionalFundsToDebtorsWithStage3FinancialAssetsAtAmortizedCost
4832 Not recognize allowance for credit losses against Financial assets at amortized cost in Stage 3 Concept (Monetary) As Of db:NotRecognizeAllowanceForCreditLossesAgainstFinancialAssetsAtAmortizedCostInStage3
4833 60092 - Disclosure - Legal Claims (Detail: Text Values) Network

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 http://www.db.com/role/LegalClaimsTextValues
4834 Implied Table Table

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 implied:Table
4835 Legal Claims [Abstract] Abstract db:LegalClaimsAbstract
4836 Amounts outstanding on financial assets written off and still subject to enforcement activity Concept (Monetary) As Of db:AmountsOutstandingOnFinancialAssetsWrittenOffAndStillSubjectToEnforcementActivity
4837 60093 - Disclosure - Parenthetical Information Liquidity Risk Exposure (Detail: Text Values) Network

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 http://www.db.com/role/ParentheticalInformationLiquidityRiskExposureTextValues
4838 Implied Table Table

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 implied:Table
4839 Liquidity Risk Exposure Abstract db:LiquidityRiskExposureAbstract
4840 Trading range 5 year CDS [Abstract] Abstract db:TradingRange5YearCDS
4841 Bottom of range in bps Concept (Pure) As Of db:BottomOfRangeInBpsTradingRange5YearCDS
4842 Top of range in bps Concept (Pure) As Of db:TopOfRangeInBpsTradingRange5YearCDS
4843 At year end in bps Concept (Pure) As Of db:AtYearEndInBpsTradingRange5YearCDS
4844 Trading range 2.375 % EUR benchmark bond maturing Jan. 2022 [Abstract] Abstract db:TradingRange1And5PercentEURBenchmarkBondMaturingJan2022Abstract
4845 Bottom of range Concept (Pure) As Of db:TradingRange1And5PercentEURBenchmarkBondMaturingJan2022BottomOfRangeInBPS
4846 Top of range Concept (Pure) As Of db:TradingRange1And5PercentEURBenchmarkBondMaturingJan2022TopOfRangeInBPS
4847 At year end Concept (Pure) As Of db:TradingRange1And5PercentEURBenchmarkBondMaturingJan2022AtYearEndInBPS
4848 Funding plan Concept (Monetary) As Of db:FundingPlan
4849 Funding sources [Abstract] Abstract db:FundingSourcesAbstract
4850 Senior non-preferred plain-vanilla issuance Concept (Pure) As Of db:FundingSourcesSeniorUnsecuredPlainVanillaIssuanceIncludingBenchmarks
4851 Senior preferred plain-vanilla issuance Concept (Pure) As Of db:FundingSourcesTier2BenchmarkIssuance
4852 Covered bond Issuance Concept (Pure) As Of db:FundingSourcesCoveredBondIssuance
4853 Other senior preferred structured issuance Concept (Pure) As Of db:FundingSourcesOtherUnsecuredStructuredIssuances
4854 Total Concept (Pure) As Of db:FundingSources
4855 Thereof emitted in Euro Concept (Pure) As Of db:FundingSourcesThereofEmittedInEuro
4856 Thereof emitted in USD Concept (Pure) As Of db:FundingSourcesThereofEmittedInUSD
4857 Thereof emitted in GBP Concept (Pure) As Of db:FundingSourcesThereofEmittedInGBP
4858 Thereof emitted in other currencies Concept (Pure) As Of db:FundingSourcesThereofEmittedInOtherCurrencies
4859 Investor base for issuances [Abstract] Abstract db:InvestorBaseForIssuancesAbstract
4860 Asset managers and pension funds Concept (Percent) As Of db:InvestorBaseForIssuancesAssetManagersAndPensionFunds
4861 Retail customers Concept (Percent) As Of db:InvestorBaseForIssuancesRetailCustomers
4862 Banks Concept (Percent) As Of db:InvestorBaseForIssuancesBanks
4863 Governments and agencies Concept (Percent) As Of db:GovernmentsAndAgencies
4864 Insurance companies Concept (Percent) As Of db:InvestorBaseForIssuancesIInsuranceCompanies
4865 Other institutional investors Concept (Percent) As Of db:InvestorBaseForIssuancesOtherInstitutionalInvestors
4866 Geographical distribution of Funding sources [Abstract] Abstract db:GeographicalDistributionOfFundingSourcesAbstract
4867 Germany Concept (Percent) As Of db:GeographicalDistributionOfFundingSourcesGermany
4868 Rest of Europe Concept (Percent) As Of db:GeographicalDistributionOfFundingSourcesRestOfEurope
4869 US Concept (Percent) As Of db:GeographicalDistributionOfFundingSourcesUS
4870 Asia/Pacific Concept (Percent) As Of db:GeographicalDistributionOfFundingSourcesAsiaPacific
4871 Others Concept (Percent) As Of db:GeographicalDistributionOfFundingSourcesOtherCountries
4872 Portion of capital markets issuance outstanding on unsecured basis at total portfolio as of Dec 31, 2017 Concept (Percent) As Of db:PortionOfCapitalMarketsIssuanceOutstandingOnUnsecuredBasisAtTotalPortfolioAsOfDec312017
4873 Average spread of DB issuance over 3 months Euribor in bps Concept (Pure) As Of db:AverageSpreadOfDBIssuanceOver3MonthsEuriborInBps
4874 Issuing volume of Funding sources [Abstract] Abstract db:IssuingVolumeOfFundingSourcesAbstract
4875 First quarter Concept (Pure) As Of db:IssuingVolumeOfFundingSourcesFirstQuarter
4876 Second quarter Concept (Pure) As Of db:IssuingVolumeOfFundingSourcesSecondQuarter
4877 Third quarter Concept (Pure) As Of db:IssuingVolumeOfFundingSourcesThirdQuarter
4878 Fourth quarter Concept (Pure) As Of db:IssuingVolumeOfFundingSourcesFourthQuarter
4879 60094 - Disclosure - Parenthetical Information Liquidity Risk Exposure II (Detail: Text Values) Network

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 http://www.db.com/role/ParentheticalInformationLiquidityRiskExposureIITextValues
4880 Implied Table Table

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 implied:Table
4881 Liquidity Risk Exposure Abstract db:LiquidityRiskExposureAbstract
4882 External funding sources [Abstract] Abstract db:ExternalFundingSourcesAbstract
4883 Capital Markets and Equity Concept (Monetary) As Of db:ExternalFundingSourcesCapitalMarketsAndEquity
4884 Capital Markets and Equity, percent Concept (Percent) As Of db:ExternalFundingSourcesCapitalMarketsAndEquityPercent
4885 Retail Concept (Monetary) As Of db:ExternalFundingSourcesRetail
4886 Retail, percent Concept (Percent) As Of db:ExternalFundingSourcesRetailPercent
4887 Transaction Banking Concept (Monetary) As Of db:ExternalFundingSourcesTransactionBanking
4888 Transaction Banking, percent Concept (Percent) As Of db:ExternalFundingSourcesTransactionBankingPercent
4889 Other Customers Concept (Monetary) As Of db:ExternalFundingSourcesOtherCustomers
4890 Other Customers, percent Concept (Percent) As Of db:ExternalFundingSourcesOtherCustomersPercent
4891 Unsecured Wholesale Concept (Monetary) As Of db:ExternalFundingSourcesUnsecuredWholesale
4892 Unsecured Wholesale, percent Concept (Percent) As Of db:ExternalFundingSourcesUnsecuredWholesalePercent
4893 Secured Funding and Shorts Concept (Monetary) As Of db:ExternalFundingSourcesSecuredFundingAndShorts
4894 Secured Funding and Shorts, percent Concept (Percent) As Of db:ExternalFundingSourcesSecuredFundingAndShortsPercent
4895 Financing Vehicles Concept (Monetary) As Of db:ExternalFundingSourcesFinancingVehicles
4896 Financing Vehicles, percent Concept (Percent) As Of db:ExternalFundingSourcesFinancingVehiclesPercent
4897 Total external funding Concept (Monetary) As Of db:ExternalFunding
4898 External funding, increase/decrease Concept (Monetary) As Of db:ExternalFundingIncreaseDecrease
4899 External Funding mainly due [Abstract] Abstract db:ExternalFundingMainlyDueAbstract
4900 Balances increase in Retail deposits Concept (Monetary) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInRetailDeposits
4901 Balances increase in Retail deposits, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInRetailDepositsPercent
4902 Balances increase in Transaction banking Concept (Monetary) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInTransactionBanking
4903 Balances increase in Transaction banking, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInTransactionBankingPercent
4904 Balances decrease in secured funding and shorts Concept (Monetary) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInSecuredFundingAndShorts
4905 Balances decrease in secured funding and shorts, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInSecuredFundingAndShortsPercent
4906 Balances increase in other customers deposits Concept (Monetary) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInOtherCustomersDeposits
4907 Balances increase in other customers deposits, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToBalancesIncreaseInOtherCustomersDepositsPercent
4908 Decrease in unsecured wholesale funding Concept (Monetary) As Of db:ExternalFundingMainlyDueToDecreaseInUnsecuredWholesaleFunding
4909 Decrease in unsecured wholesale funding, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToDecreaseInUnsecuredWholesaleFundingPercent
4910 Decrease in Transaction Banking deposits Concept (Monetary) As Of db:ExternalFundingMainlyDueToDecreaseInTransactionBankinDeposits
4911 Decrease in Transaction Banking deposits, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToDecreaseInTransactionBankingDepositsPercent
4912 Increase in retail business Concept (Monetary) As Of db:ExternalFundingMainlyDueToIncreaseInRetailBusiness
4913 Increase in retail business, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToIncreaseInRetailBusinessPercent
4914 Decrease in Capital Markets and Equity volume Concept (Monetary) As Of db:ExternalFundingMainlyDueToDecreaseInCapitalMarketsAndEquityVolume
4915 Decrease in Capital Markets and Equity volume, percent Concept (Percent) As Of db:ExternalFundingMainlyDueToDecreaseInCapitalMarketsAndEquityVolumePercent
4916 Overall proportion of our most stable funding sources (comprising capital markets and equity, retail, and transac-tion banking) in percent Concept (Percent) As Of db:OverallProportionOfOurMostStableFundingSourcesComprisingCapitalMarketsAndEquityRetailAndTransactionBankingInPercent
4917 Derivatives & settlement balances Concept (Monetary) As Of db:DerivativesAndSettlementBalances
4918 Add back for netting effect for Margin & Prime Brokerage cash balances (shown on a net basis) Concept (Monetary) As Of db:AddBackForNettingEffectForMarginAndPrimeBrokerageCashBalancesShownOnANetBasis
4919 Other non funding liabilities Concept (Monetary) As Of db:OtherNonFundingLiabilities

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