BARCLAYS PLC (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 000010 - Document - Document and Entity Information Network

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http://www.home.barclays/role/DocumentAndEntityInformation
2 Implied Table Table

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implied:Table
3 Document And Entity Information [abstract] Abstract bcs:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Well Known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
17 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
18 Entity Common Stock Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
19 000100 - Statement - Consolidated Income Statement Network

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http://www.home.barclays/role/ConsolidatedIncomeStatement
20 Implied Table Table

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implied:Table
21 Income Statement Abstract ifrs-full:IncomeStatementAbstract
22 Continuing operations Abstract bcs:ContinuingOperationsAbstract
23 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueCalculatedUsingEffectiveInterestMethod
24 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
25 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
26 Fee and commission income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncome
27 Fee and commission expenses Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
28 Net fee and commission income Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
29 Net trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
30 Net investment income Concept (Monetary) For Period Credit bcs:InvestmentIncomeExpense
31 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
32 Total income Concept (Monetary) For Period Credit bcs:ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
33 Credit impairment charges and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
34 Net operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
35 Staff costs Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
36 Infrastructure costs Concept (Monetary) For Period Debit bcs:InfrastructureCosts
37 Administration and general expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
38 Provisions for itigation and conduct Concept (Monetary) For Period Debit ifrs-full:LossesOnLitigationSettlements
39 Total operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
40 Share of post-tax results of associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
41 Profit/(loss) on disposal of subsidiaries, associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation
42 Profit (loss) before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
43 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
44 Profit/(loss) after tax in respect of continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
45 (Loss)/profit after tax in respect of discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
46 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
47 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
48 Ordinary equity holders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
49 Other equity instrument holders Concept (Monetary) For Period Credit bcs:ProfitLossAttributableToOtherEquityHoldersOfTheParent
50 Total equity holders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
51 Non-controlling interests in respect of continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests
52 Non-controlling interests in respect of discontinued operation Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests
53 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
54 Earnings per share Abstract ifrs-full:EarningsPerShareAbstract
55 Basic earnings/(loss) per ordinary share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
56 Basic earnings per ordinary share in respect of continuing operations Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
57 Basic loss/earnings per ordinary share in respect of discontinued operation Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
58 Diluted (loss)/earnings per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
59 Diluted earnings/(loss) per ordinary share in respect of continuing operations Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
60 Diluted (loss)/earnings per ordinary share in respect of discontinued operation Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
61 000200 - Statement - Consolidated statement of comprehensive income Network

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http://www.home.barclays/role/ConsolidatedStatementOfComprehensiveIncome
62 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
63 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
64 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
65 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
66 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
67 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
68 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
69 Profit/(loss) after tax in respect of continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
70 (Loss)/profit after tax in respect of discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
71 Other comprehensive income/(loss) that may be recycled to profit or loss from continuing operations: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
72 Currency translation reserve Abstract ifrs-full:ExchangeDifferencesOnTranslationAbstract
73 Currency translation differences Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
74 Available for sale reserve Abstract ifrs-full:AvailableforsaleFinancialAssetsAbstract
75 Net gains from changes in fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
76 Net gains transferred to net profit on disposal Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsBeforeTaxOnDisposal
77 Net losses transferred to net profit due to impairment Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnAvailableForSaleFinancialAssetsBeforeTaxDueToImpairment
78 Net losses/ (gains) transferred to net profit due to fair value hedging Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnAvailableForSaleFinancialAssetsBeforeTaxFairValueHedging
79 Changes in insurance liabilities and other movements Concept (Monetary) For Period Credit bcs:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTaxInsuranceLiabilitiesAndOtherMovements
80 Tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
81 Fair value through other comprehensive income reserve Abstract ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
82 Net gains from changes in fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
83 Net losses transferred to net profit on disposal Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxOnDisposal
84 Net losses transferred to net profit due to impairment Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToImpairment
85 Net losses transferred to net profit due to fair value hedging Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxDueToFairValueHedging
86 Changes in insurance liabilities and other movements Concept (Monetary) For Period Credit bcs:GainsLossesOnRemeasuringFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTaxInsuranceLiabilitiesAndOtherMovements
87 Tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
88 Cash flow hedging reserve Abstract ifrs-full:CashFlowHedgesAbstract
89 Net (losses)/gains from changes in fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
90 Net gains transferred to net profit Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax
91 Tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
92 Other Concept (Monetary) For Period Credit ifrs-full:OtherIndividuallyImmaterialComponentsOfOtherComprehensiveIncomeNetOfTax
93 Other comprehensive income/(loss) that may be recycled to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
94 Other comprehensive income/(loss) not recycled to profit or loss from continuing operations: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
95 Retirement benefit remeasurements Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
96 Fair value through other comprehensive income reserve Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments
97 Own credit Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
98 Tax Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
99 Other comprehensive income/(loss) not recycled to profit or loss, from continuing operations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
100 Other comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
101 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
102 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
103 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
104 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
105 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
106 000201 - Statement - Consolidated statement of comprehensive income (Parenthetical) Network

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http://www.home.barclays/role/ConsolidatedStatementOfComprehensiveIncomeParenthetical
107 Implied Table Table

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implied:Table
108 Statement of comprehensive income Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
109 Gain (loss) on recycling of currency translation differences Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax
110 000300 - Statement - Consolidated balance sheet Network

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http://www.home.barclays/role/ConsolidatedBalanceSheet
111 Implied Table Table

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implied:Table
112 Balance sheet Abstract ifrs-full:StatementOfFinancialPositionAbstract
113 Assets Abstract ifrs-full:AssetsAbstract
114 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
115 Cash collateral and settlement balances Concept (Monetary) As Of Debit ifrs-full:BankAcceptanceAssets
116 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
117 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
118 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
119 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
120 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
121 Financial investments Concept (Monetary) As Of Debit bcs:FinancialInvestments
122 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
123 Investments in associates and joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
124 Goodwill and intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
125 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
126 Current tax assets Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
127 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
128 Retirement benefit assets Concept (Monetary) As Of Debit ifrs-full:AssetsOfBenefitPlan
129 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
130 Assets included in disposal groups classified as held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
131 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
132 Liabilities Abstract ifrs-full:LiabilitiesAbstract
133 Deposits at amortised cost Concept (Monetary) As Of Credit bcs:DepositsAtAmortisedCost
134 Cash collateral and settlement balances Concept (Monetary) As Of Credit ifrs-full:BankAcceptanceLiabilities
135 Repurchase agreements and other similar secured borrowing Concept (Monetary) As Of Credit ifrs-full:RepurchaseAgreementsAndCashCollateralOnSecuritiesLent
136 Debt securities in issue Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
137 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
138 Trading portfolio liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
139 Financial liabilities designated at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
140 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
141 Current tax liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
142 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
143 Retirement benefit liabilities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesOtherThanActuarialPresentValueOfPromisedRetirementBenefits
144 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
145 Provisions Concept (Monetary) As Of Credit ifrs-full:Provisions
146 Liabilities included in disposal groups classified as held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
147 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
148 Equity Abstract ifrs-full:EquityAbstract
149 Called up share capital and share premium Concept (Monetary) As Of Credit bcs:CalledUpShareCapitalAndSharePremium
150 Other equity instruments Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
151 Other reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
152 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
153 Total equity excluding non-controlling interests Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
154 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
155 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
156 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
157 000400 - Statement - Consolidated statement of changes in equity Network

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http://www.home.barclays/role/ConsolidatedStatementOfChangesInEquity
158 Statement of changes in equity [table] Table

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ifrs-full:StatementOfChangesInEquityTable
159 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
160 Equity [member] Member ifrs-full:EquityMember
161 Called up share capital and share premium [member] Member bcs:IssuedCapitalAndSharePremiumMember
162 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
163 Available for sale reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
164 Fair value through other comprehensive income reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
165 Cash flow hedging reserve [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
166 Currency translation reserve [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
167 Own credit reserve [member] Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
168 Other reserves and treasury shares [member] Member bcs:OtherReservesAndTreasurySharesMember
169 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
170 Total equity excluding non-controlling interests [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
171 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
172 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
173 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
174 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
175 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
176 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
177 Beginning Balance, equity Concept (Monetary) As Of Credit ifrs-full:Equity
178 Effects of changes in accounting policies Concept (Monetary) For Period ifrs-full:AmountOfReclassificationsOrChangesInPresentation
179 Equity, adjusted balance Concept (Monetary) As Of Credit bcs:EquityAdjustedBalance
180 Profit/(loss) after tax in respect of continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
181 Currency translation movements Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
182 Fair value through other comprehensive income reserve Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
183 Available for sale investments Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
184 Cash flow hedges Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
185 Retirement benefit re-measurements Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
186 Own credit reserve Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
187 Other Concept (Monetary) For Period Credit ifrs-full:OtherIndividuallyImmaterialComponentsOfOtherComprehensiveIncomeNetOfTax
188 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
189 Issue of new ordinary shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
190 Issue of shares under employee share schemes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
191 Issue and exchange of other equity instruments Concept (Monetary) For Period Credit bcs:IssueAndExchangeOfOtherEquityInstruments
192 Capital reorganisation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
193 Other equity instruments coupons paid Concept (Monetary) For Period Credit bcs:IncreaseDecreaseOtherEquityInstrumentsCouponsPaid
194 Redemption of preference shares, value Concept (Monetary) For Period Credit bcs:RedemptionOfPreferenceSharesValue
195 Debt to equity reclassification Concept (Monetary) For Period ifrs-full:FinancialLiabilitiesReclassifiedIntoEquity
196 Increase in treasury shares Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions
197 Vesting of shares under employee share schemes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
198 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
199 Net equity impact of partial BAGL disposal Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughDisposalOfSubsidiary
200 Other reserve movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
201 Ending Balance, equity Concept (Monetary) As Of Credit ifrs-full:Equity
202 000401 - Statement - Consolidated statement of changes in equity (Parenthetical) Network

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http://www.home.barclays/role/ConsolidatedStatementOfChangesInEquityParenthetical
203 Statement of changes in equity [table] Table

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ifrs-full:StatementOfChangesInEquityTable
204 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
205 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
206 IFRSs 9 [member] Member bcs:IFRSs9Member
207 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
208 Equity [member] Member ifrs-full:EquityMember
209 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
210 Other reserves [member] Member ifrs-full:OtherReservesMember
211 Own credit reserve [member] Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
212 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
213 Effects of changes in accounting policies Concept (Monetary) For Period ifrs-full:AmountOfReclassificationsOrChangesInPresentation
214 Gain (loss) on own credit booked in the reserve Concept (Monetary) For Period Credit ifrs-full:GainLossOnDesignationOfFinancialInstrumentAsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRisk
215 000500 - Statement - Consolidated cash flow statement Network

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http://www.home.barclays/role/ConsolidatedCashFlowStatement
216 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
217 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
218 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
219 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
220 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
221 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
222 Reconciliation of profit before tax to net cash flows from operating activities: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
223 Profit (loss) before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
224 Adjustment for non-cash items [abstract] Abstract bcs:AdjustmentsForNonCashItemsAbstract
225 Allowance for impairment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
226 Depreciation, amortisation and impairment of property, plant, equipment and intangibles Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
227 Other provisions, including pensions Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
228 Net profit/(loss) on disposal of investments and property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
229 Adjustments for non-cash items Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
230 Changes in operating assets and liabilities [abstract] Abstract bcs:ChangesInOperatingAssetsAndLiabilitiesAbstract
231 Net decrease/(increase) in cash collateral and settlement balances Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
232 Net decrease/(increase) in loans and advances to banks and customers Concept (Monetary) For Period Debit bcs:AdjustmentsForDecreaseincreaseInLoansAndAdvances
233 Net decrease in reverse repurchase agreements and other similar lending Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
234 Net (decrease)/increase in deposits and debt securities in issue Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers
235 Net increase/(decrease) in repurchase agreements and other similar borrowing Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent
236 Net decrease/(increase) in derivative financial instruments Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives
237 Net (increase)/decrease in trading assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading
238 Net increase/(decrease) in trading liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading
239 Net (increase)/decrease in financial assets and liabilities at fair value through the income statement Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInFinancialAssets
240 Net (increase) in other assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets
241 Net (decrease) in other liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInOtherLiabilities
242 Corporate income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
243 Net cash from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
244 Cash flows from (used in) investing activities [abstract] Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
245 Purchase of financial assets through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:PurchaseOfFinancialInstrumentsClassifiedAsInvestingActivities
246 Purchase of available for sale investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfAvailableforsaleFinancialAssets
247 Proceeds from sale or redemption of financial assets through other comprehensive income Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities
248 Proceeds from sale or redemption of available for sale investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
249 Purchase of property, plant and equipment and intangibles Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
250 Proceeds from sale of property, plant and equipment and intangibles Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
251 Disposal of discontinued operation, net of cash disposed Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
252 Disposal of subsidiaries, net of cash disposed Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
253 Other cash flows associated with investing activities Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
254 Net cash from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
255 Cash flows from (used in) financing activities [abstract] Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
256 Dividends paid and other coupon payments on equity instruments Concept (Monetary) For Period Credit bcs:DividendsPaidAndOtherCouponPaymentsOnEquityInstrumentsClassifiedAsFinancingActivities
257 Issuance of subordinated debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfSubordinatedLiabilities
258 Redemption of subordinated debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfSubordinatedLiabilities
259 Net issue of shares and other equity instruments Concept (Monetary) For Period Debit bcs:ProceedsFromIssuingSharesAndOtherEquityInstruments
260 Repurchase of shares and other equity instruments Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
261 Net purchase of treasury shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSaleOrIssueOfTreasuryShares
262 Net cash from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
263 Effect of exchange rates on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
264 Net increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
265 Cash and cash equivalents at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
266 Cash and cash equivalents at end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
267 Cash and cash equivalents comprise [abstract] Abstract bcs:CashAndCashEquivalentsCompriseAbstract
268 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
269 Loans and advances to banks with original maturity less than three months Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
270 Cash collateral and settlement balances with banks with original maturity less than three months Concept (Monetary) As Of Debit bcs:BankAcceptanceAssetsClassifiedAsCashEquivalents
271 Treasury and other eligible bills with original maturity less than three months Concept (Monetary) As Of Debit ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
272 Trading portfolio assets with original maturity less than three months Concept (Monetary) As Of Debit ifrs-full:OtherCashAndCashEquivalents
273 Cash and cash equivalents held for sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
274 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
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282 Net interest (expense)/income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
283 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
284 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
285 Profit (loss) before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
286 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
287 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
288 Other comprehensive income/(oss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
289 Total comprehensive income/(loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
290 Profit (loss), attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
291 Ordinary equity holders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
292 Other equity instrument holders Concept (Monetary) For Period Credit bcs:ProfitLossAttributableToOtherEquityHoldersOfTheParent
293 Profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
294 Comprehensive income attributable to [abstract] Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
295 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
296 Other equity instrument holders Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
297 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
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306 Other comprehensive income/(oss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
307 Number of employees (full time equivalent) Concept (Integer) As Of bcs:NumberOfEmployeesExpressedAsInteger
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315 Investments in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
316 Loans and advances to subsidiaries Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
317 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
318 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
319 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
320 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
321 Liabilities Abstract ifrs-full:LiabilitiesAbstract
322 Deposits at amortised cost Concept (Monetary) As Of Credit bcs:DepositsAtAmortisedCost
323 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
324 Debt securities in issue Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
325 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
326 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
327 Equity Abstract ifrs-full:EquityAbstract
328 Called up share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
329 Share premium account Concept (Monetary) As Of Credit ifrs-full:SharePremium
330 Other equity instruments Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
331 Other reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
332 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
333 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
334 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
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349 Effects of changes in accounting policies Concept (Monetary) For Period ifrs-full:AmountOfReclassificationsOrChangesInPresentation
350 Equity, adjusted balance Concept (Monetary) As Of Credit bcs:EquityAdjustedBalance
351 Comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
352 Issue of new ordinary shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
353 Issue of shares under employee share schemes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
354 Issue of other equity instruments Concept (Monetary) For Period Credit bcs:IssueAndExchangeOfOtherEquityInstruments
355 Vesting of shares under employee share schemes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
356 Dividends paid Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
357 Other equity instruments coupons paid Concept (Monetary) For Period Credit bcs:IncreaseDecreaseOtherEquityInstrumentsCouponsPaid
358 Capital reorganisation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
359 Other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
360 Ending Balance, equity Concept (Monetary) As Of Credit ifrs-full:Equity
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367 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
368 Currently stated [member] Member ifrs-full:RestatedMember
369 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
370 IFRSs 9 [member] Member bcs:IFRSs9Member
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375 Effects of changes in accounting policies Concept (Monetary) For Period ifrs-full:AmountOfReclassificationsOrChangesInPresentation
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382 Reconciliation of profit before tax to net cash flows from operating activities: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
383 Profit (loss) before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
384 Dividends in specie Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForDividendIncome
385 Other non-cash items Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsForNoncashItems
386 Changes in operating assets and liabilities Concept (Monetary) For Period Debit ifrs-full:OtherAdjustmentsToReconcileProfitLoss
387 Net cash generated from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
388 Capital contribution to subsidiary Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
389 Net cash from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
390 Cash flows from (used in) financing activities [abstract] Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
391 Issue of shares and other equity instruments Concept (Monetary) For Period Debit bcs:ProceedsFromIssuingSharesAndOtherEquityInstruments
392 Net increase in loans and advances to subsidiaries of the Parent Concept (Monetary) For Period Debit ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties
393 Net increase in debt securities in issue Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
394 Proceeds of borrowings and issuance of subordinated debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfSubordinatedLiabilities
395 Dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
396 Coupons paid on other equity instruments Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
397 Net cash from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
398 Net increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
399 Cash and cash equivalents at beginning of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
400 Cash and cash equivalents at end of the year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
401 Net cash generated from operating activities includes [abstract] Abstract bcs:NetCashGeneratedFromOperatingActivitiesIncludesAbstract
402 Dividends received, classified as operating activities Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
403 Interest (paid)/received Concept (Monetary) For Period Credit bcs:InterestNetClassifiedAsOperatingActivities
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432 Disclosure of additional information about understanding financial position and liquidity of entity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationAboutUnderstandingFinancialPositionsAndLiquidityOfEntityExplanatory
433 010101 - Disclosure - Significant accounting policies Network

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441 010301 - Disclosure - Net interest income Network

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http://www.home.barclays/role/OtherLiabilities
526 Implied Table Table

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527 Other liabilities [abstract] Abstract ifrs-full:AccrualsAndDeferredIncomeAbstract
528 Accruals, deferred income and other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAccruedExpensesAndOtherLiabilitiesExplanatory
529 012701 - Disclosure - Provisions Network

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*

http://www.home.barclays/role/Provisions
530 Implied Table Table

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implied:Table
531 Provisions [abstract] Abstract ifrs-full:ProvisionsAbstract
532 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
533 012801 - Disclosure - Contingent liabilities and commitments Network

*

*

http://www.home.barclays/role/ContingentLiabilitiesAndCommitments
534 Implied Table Table

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implied:Table
535 Contingent liabilities and commitments [abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
536 Contingent liabilities and commitments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
537 012901 - Disclosure - Legal, competition and regulatory matters Network

*

*

http://www.home.barclays/role/LegalCompetitionAndRegulatoryMatters
538 Implied Table Table

*

*

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539 Legal, competition and regulatory matters Abstract bcs:DisclosureOfLegalCompetitionAndRegulatoryMattersAbstract
540 Legal, competition and regulatory matters Concept (Text Block (HTML)) For Period bcs:DisclosureOfLegalCompetitionAndRegulatoryMattersExplanatory
541 013001 - Disclosure - Subordinated Liabilities Network

*

*

http://www.home.barclays/role/SubordinatedLiabilities
542 Implied Table Table

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543 Subordinated liabilities [abstract] Abstract ifrs-full:SubordinatedLiabilitiesAbstract
544 Subordinated Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSubordinatedLiabilitiesExplanatory
545 013101 - Disclosure - Ordinary shares, share premium, and other equity Network

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*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquity
546 Implied Table Table

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implied:Table
547 Equity [abstract] Abstract ifrs-full:EquityAbstract
548 Called up share capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
549 013201 - Disclosure - Reserves Network

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*

http://www.home.barclays/role/Reserves
550 Implied Table Table

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implied:Table
551 Reserves Abstract ifrs-full:DisclosureOfReservesWithinEquityAbstract
552 Reserves Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
553 013301 - Disclosure - Non-controlling interests Network

*

*

http://www.home.barclays/role/NoncontrollingInterests
554 Implied Table Table

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implied:Table
555 Non-controlling interests [abstract] Abstract bcs:NoncontrollingInterestsAbstract
556 Non-controlling interests Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
557 013401 - Disclosure - Share-based payments Network

*

*

http://www.home.barclays/role/SharebasedPayments
558 Implied Table Table

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implied:Table
559 Disclosure of terms and conditions of share-based payment arrangement [abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
560 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
561 013501 - Disclosure - Pension and post-retirement benefits Network

*

*

http://www.home.barclays/role/PensionAndPostretirementBenefits
562 Implied Table Table

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implied:Table
563 Pension and post-retirement benefits Abstract ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
564 Pension and post-retirement benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
565 013601 - Disclosure - Principal subsidiaries Network

*

*

http://www.home.barclays/role/PrincipalSubsidiaries
566 Implied Table Table

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567 Principal Subsidiaries Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
568 Principal subsidiaries Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
569 013701 - Disclosure - Structured entities Network

*

*

http://www.home.barclays/role/StructuredEntities
570 Implied Table Table

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571 Disclosure of information about consolidated structured entities [abstract] Abstract ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesAbstract
572 Structured entities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutInterestsInStructuredEntityExplanatory
573 013801 - Disclosure - Investments in associates and joint ventures Network

*

*

http://www.home.barclays/role/InvestmentsInAssociatesAndJointVentures
574 Implied Table Table

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575 Investments in joint ventures and associates [abstract] Abstract bcs:InvestmentsInJointVenturesAndAssociatesAbstract
576 Investments in associates and joint ventures Concept (Text Block (HTML)) For Period bcs:DisclosureOfInvestmentsInAsssociatesAndJointVenturesTextBlock
577 013901 - Disclosure - Securitisations Network

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*

http://www.home.barclays/role/Securitisations
578 Implied Table Table

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579 Secutritisations Abstract ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionAbstract
580 Securitisations Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransfersOfFinancialAssetsExplanatory
581 014001 - Disclosure - Assets pledged Network

*

*

http://www.home.barclays/role/AssetsPledged
582 Implied Table Table

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583 Assets pledged Abstract bcs:AssetsPledgedAbstract
584 Assets pledged Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCollateralExplanatory
585 014101 - Disclosure - Related party transactions Network

*

*

http://www.home.barclays/role/RelatedPartyTransactions
586 Implied Table Table

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587 Related party transactions and Directors' remuneration [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
588 Related party transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
589 014202 - Disclosure - Auditors' remuneration Network

*

*

http://www.home.barclays/role/AuditorsRemuneration
590 Implied Table Table

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591 Auditors' remuneration [abstract] Abstract ifrs-full:AuditorsRemunerationAbstract
592 Auditors' remuneration Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAuditorsRemunerationExplanatory
593 014301 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilities
594 Implied Table Table

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implied:Table
595 Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities Abstract ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract
596 Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory
597 014401 - Disclosure - Transition disclosures Network

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*

http://www.home.barclays/role/TransitionDisclosures
598 Implied Table Table

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599 Transition disclosures Abstract ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationAbstract
600 Transition disclosures Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory
601 014501 - Disclosure - Barclays PLC (the Parent company) Network

*

*

http://www.home.barclays/role/BarclaysPLCtheParentCompany
602 Implied Table Table

*

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implied:Table
603 Principal Subsidiaries Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
604 Barclays PLC parent company balance sheet Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory
605 014701 - Disclosure - Other disclosures - Risk Management and Principal Risks (audited) Network

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*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksaudited
606 Implied Table Table

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607 Other disclosures - Risk Management and Principal Risks Abstract ifrs-full:DisclosureOfCreditRiskExposureAbstract
608 Other disclosures - Risk Management and Principal Risks Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
609 020101 - Disclosure - Significant accounting policies (Policy) Network

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http://www.home.barclays/role/SignificantAccountingPoliciesPolicy
610 Disclosure of detailed information about financial instruments [table] Table

*

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ifrs-full:DisclosureOfFinancialInstrumentsTable
611 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
612 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
613 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
614 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
615 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember
616 Financial investments [member] Member bcs:FinancialInvestmentsMember
617 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
618 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
619 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
620 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
621 Deposits at amortised cost [member] Member bcs:DepositsAtAmortisedCostMember
622 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
623 Accounting for financial assets at fair value Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory
624 Accounting for loans and advances and deposits held at amortised cost Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
625 030201 - Disclosure - Segmental reporting (Tables) Network

*

*

http://www.home.barclays/role/SegmentalReportingTables
626 Implied Table Table

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627 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
628 Analysis of results by business Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
629 Income by geographic region Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
630 030301 - Disclosure - Net interest income (Tables) Network

*

*

http://www.home.barclays/role/NetInterestIncomeTables
631 Implied Table Table

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632 Net interest income Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
633 Consolidated and separate financial statements [line items] LineItems bcs:ConsolidatedAndSeparateFinancialStatementsLineItems
634 Net interest income Concept (Text Block (HTML)) For Period bcs:DisclosureOfNetInterestIncomeTableTextBlock
635 030401 - Disclosure - Net fee and commission income (Tables) Network

*

*

http://www.home.barclays/role/NetFeeAndCommissionIncomeTables
636 Implied Table Table

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637 Net Fee and commission income Abstract ifrs-full:FeeAndCommissionIncomeExpenseAbstract
638 Total fees in scope of IFRS 15 Revenues from Contracts with Customers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory
639 030501 - Disclosure - Net trading income (Tables) Network

*

*

http://www.home.barclays/role/NetTradingIncomeTables
640 Implied Table Table

*

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641 Net trading income Abstract ifrs-full:TradingIncomeExpenseAbstract
642 Net trading income Concept (Text Block (HTML)) For Period bcs:DisclosureOfNetTradingIncomeTableTextBlock
643 030601 - Disclosure - Net investment income (Tables) Network

*

*

http://www.home.barclays/role/NetInvestmentIncomeTables
644 Implied Table Table

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645 Net investment income [abstract] Abstract ifrs-full:MaterialIncomeAndExpenseAbstract
646 Net investment income Concept (Text Block (HTML)) For Period bcs:DisclosureOfNetInvestmentIncomeTableTextBlock
647 030701 - Disclosure - Credit impairment charges and other provisions (Tables) Network

*

*

http://www.home.barclays/role/CreditImpairmentChargesAndOtherProvisionsTables
648 Implied Table Table

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649 Credit impairment charges and other provisions Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
650 Credit impairment charges and other provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
651 030801 - Disclosure - Operating expenses (Tables) Network

*

*

http://www.home.barclays/role/OperatingExpensesTables
652 Implied Table Table

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653 Operating expenses Abstract ifrs-full:ExpenseByNatureAbstract
654 Operating expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
655 031001 - Disclosure - Tax (Tables) Network

*

*

http://www.home.barclays/role/TaxTables
656 Implied Table Table

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657 Tax Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
658 Tax charge Concept (Text Block (HTML)) For Period bcs:DisclosureOfComponentsOfIncomeTaxTableTextBlock
659 Reconciliation between the actual tax charge and the corporate tax rate Concept (Text Block (HTML)) For Period bcs:DisclosureOfReconciliationOfActualTaxRateToCorporateTaxRateTableTextBlock
660 Current tax assets and liabilities Concept (Text Block (HTML)) For Period bcs:DisclosureOfCurrentTaxesTableTextBlock
661 Deferred tax assets and liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
662 Movements on deferred tax assets and liabilities during the year before offsetting Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
663 031101 - Disclosure - Earnings per share (Tables) Network

*

*

http://www.home.barclays/role/EarningsPerShareTables
664 Implied Table Table

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665 Earnings per share Abstract ifrs-full:EarningsPerShareAbstract
666 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:EarningsPerShareExplanatory
667 031301 - Disclosure - Trading portfolio (Tables) Network

*

*

http://www.home.barclays/role/TradingPortfolioTables
668 Implied Table Table

*

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669 Trading Portfolio Abstract ifrs-full:NetAssetsLiabilitiesAbstract
670 Trading portfolio Concept (Text Block (HTML)) For Period bcs:DisclosureOfFinancialAssetsAndLiabilitiesHeldForTradingTableTextBlock
671 031401 - Disclosure - Financial assets at fair value through the income statement (Tables) Network

*

*

http://www.home.barclays/role/FinancialAssetsAtFairValueThroughTheIncomeStatementTables
672 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
673 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
674 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
675 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
676 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
677 Financial assets designated at fair value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory
678 Credit risk of loans and advances designated at fair value and related credit derivatives Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExposureExplanatory
679 031501 - Disclosure - Derivative financial instruments (Tables) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsTables
680 Implied Table Table

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681 Derivative financial instruments Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
682 Total derivatives Concept (Text Block (HTML)) For Period bcs:DisclosureOnSummaryOfDerivativeAssetsAndLiabilitiesTableTextBlock
683 Derivatives held for trading Concept (Text Block (HTML)) For Period bcs:DisclosureOfDerivativesHeldForTradingTableTextBlock
684 Derivatives held for risk management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingExplanatory
685 Hedged forecast cash flows Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory
686 Amounts recognised in net interest income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfHedgeAccountingExplanatory
687 Hedging instruments which are carried on the Group's balance sheet Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory
688 The Expected notional values of current hedging instruments in future years Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory
689 Hedged items in fair value hedge accounting relationships and Hedged items in cash flow hedge accounting and hedges of net investments in foreign operations Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsExplanatory
690 Impact on the income statement and OCI of recycling amounts in respect of Cash flow hedges and Net investment hedges of foreign operations Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory
691 Reconciliation of the movements of the cash flow hedge reserve and the currency translation reserve Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutHedgesExplanatory
692 031601 - Disclosure - Financial assets at fair value through other comprehensive income and Financial Investments (Tables) Network

*

*

http://www.home.barclays/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAndFinancialInvestmentsTables
693 Implied Table Table

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694 Financial assets at fair value through other comprehensive income [abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
695 Financial assets at fair value through other comprehensive income/Financial investments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
696 031701 - Disclosure - Financial liabilities designated at fair value (Tables) Network

*

*

http://www.home.barclays/role/FinancialLiabilitiesDesignatedAtFairValueTables
697 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
698 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
699 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
700 Financial liabilities designated at fair value [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
701 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
702 Financial liabilities designated at fair value Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsDesignatedAtFairValueThroughProfitOrLossExplanatory
703 031801 - Disclosure - Fair value of financial instruments (Tables) Network

*

*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsTables
704 Disclosure of products and services [table] Table

*

*

ifrs-full:DisclosureOfProductsAndServicesTable
705 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
706 Products and services [member] Member ifrs-full:ProductsAndServicesMember
707 By Product type [Member] Member bcs:ByProductTypeMember
708 Disclosure of products and services [line items] LineItems ifrs-full:DisclosureOfProductsAndServicesLineItems
709 Assets and liabilities held at fair value Concept (Text Block (HTML)) For Period bcs:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTableTextBlock
710 031901 - Disclosure - Offsetting financial assets and financial liabilities (Tables) Network

*

*

http://www.home.barclays/role/OffsettingFinancialAssetsAndFinancialLiabilitiesTables
711 Implied Table Table

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712 Offsetting financial assets and financial liabilities Abstract bcs:DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesAbstract
713 Disclosure of Offsetting of financial assets and financial liabilities [table text block] Concept (Text Block (HTML)) For Period bcs:DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock
714 032001 - Disclosure - Loans and advances and deposits at amortised cost (Tables) Network

*

*

http://www.home.barclays/role/LoansAndAdvancesAndDepositsAtAmortisedCostTables
715 Implied Table Table

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716 Loans and advances and deposits at amortised cost Abstract bcs:LoansAndAdvancesAndDepositsAtAmortisedCostAbstract
717 Loans and advances and deposits at amortised cost Concept (Text Block (HTML)) For Period bcs:DisclosureOfLoansAndAdvancesAndDepositsAtAmortisedCostTableTextBlock
718 032101 - Disclosure - Finance leases (Tables) Network

*

*

http://www.home.barclays/role/FinanceLeasesTables
719 Implied Table Table

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implied:Table
720 Finance leases Abstract bcs:DisclosureOfFinanceLeasesAbstract
721 Finance leases Concept (Text Block (HTML)) For Period bcs:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeAndLessorTableTextBlock
722 032301 - Disclosure - Property, plant and equipment (Tables) Network

*

*

http://www.home.barclays/role/PropertyPlantAndEquipmentTables
723 Implied Table Table

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implied:Table
724 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
725 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
726 032401 - Disclosure - Goodwill and intangible assets (Tables) Network

*

*

http://www.home.barclays/role/GoodwillAndIntangibleAssetsTables
727 Implied Table Table

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728 Goodwill and intangible assets Abstract ifrs-full:IntangibleAssetsAndGoodwillAbstract
729 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
730 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
731 032501 - Disclosure - Operating leases (Tables) Network

*

*

http://www.home.barclays/role/OperatingLeasesTables
732 Implied Table Table

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implied:Table
733 Disclosure of operating leases [abstract] Abstract bcs:DisclosureOfOperatingLeasesAbstract
734 Future minimum lease payments by the Group under non-cancellable operating leases Concept (Text Block (HTML)) For Period bcs:DisclosureOfOperatingLeaseByLesseeTableTextBlock
735 032601 - Disclosure - Other liabilities (Tables) Network

*

*

http://www.home.barclays/role/OtherLiabilitiesTables
736 Implied Table Table

*

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737 Other liabilities [abstract] Abstract ifrs-full:AccrualsAndDeferredIncomeAbstract
738 Other liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherLiabilitiesExplanatory
739 032701 - Disclosure - Provisions (Tables) Network

*

*

http://www.home.barclays/role/ProvisionsTables
740 Implied Table Table

*

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implied:Table
741 Provisions [abstract] Abstract ifrs-full:ProvisionsAbstract
742 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
743 032801 - Disclosure - Contingent liabilities and commitments (Tables) Network

*

*

http://www.home.barclays/role/ContingentLiabilitiesAndCommitmentsTables
744 Implied Table Table

*

*

implied:Table
745 Contingent liabilities and commitments [abstract] Abstract ifrs-full:DisclosureOfContingentLiabilitiesAbstract
746 Contingent liabilities and commitments Concept (Text Block (HTML)) For Period bcs:DisclosureOfCommitmentsAndContingentLiabilitiesTableTextBlock
747 033001 - Disclosure - Subordinated Liabilities (Tables) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesTables
748 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
749 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
750 Liabilities [member] Member ifrs-full:LiabilitiesMember
751 Undated Subordinated liabilities [member] Member bcs:UndatedSubordinatedLiabilitiesMember
752 Dated subordinated liabilities [member] Member bcs:DatedSubordinatedLiabilitiesMember
753 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
754 Subordinated liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
755 Detailed information about Subordinated liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
756 033101 - Disclosure - Ordinary shares, share premium, and other equity (Tables) Network

*

*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquityTables
757 Implied Table Table

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758 Equity [abstract] Abstract ifrs-full:EquityAbstract
759 Called up share capital, allotted and fully paid Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
760 AT1 equity instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
761 033201 - Disclosure - Reserves (Tables) Network

*

*

http://www.home.barclays/role/ReservesTables
762 Implied Table Table

*

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implied:Table
763 Reserves Abstract ifrs-full:DisclosureOfReservesWithinEquityAbstract
764 Other reserves Concept (Text Block (HTML)) For Period bcs:DisclosureOfReservesAndOtherEquityInterestTableTextBlock
765 033301 - Disclosure - Non-controlling interests (Tables) Network

*

*

http://www.home.barclays/role/NoncontrollingInterestsTables
766 Implied Table Table

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767 Non-controlling interests [abstract] Abstract bcs:NoncontrollingInterestsAbstract
768 Detailed information of non controlling interest by group Concept (Text Block (HTML)) For Period bcs:DetailedInformationOfNoncontrollingInterestByGroupTableTextBlock
769 Detailed information of non-controlling interest by instruments Concept (Text Block (HTML)) For Period bcs:DetailedInformationOfNoncontrollingInterestByInstrumentsTableTextBlock
770 033401 - Disclosure - Share-based payments (Tables) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsTables
771 Implied Table Table

*

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772 Disclosure of terms and conditions of share-based payment arrangement [abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
773 Share-based payment schemes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory
774 Share option and award plans Concept (Text Block (HTML)) For Period bcs:DisclosureOfStockOptionsAndAwardPlansOfSharebasedPaymentArrangementExplanatory
775 Movements in options and awards Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
776 033501 - Disclosure - Pension and post-retirement benefits (Tables) Network

*

*

http://www.home.barclays/role/PensionAndPostretirementBenefitsTables
777 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

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788 Deficit reduction contributions Concept (Text Block (HTML)) For Period bcs:DisclosureOfDeficitReductionContributionsTableTextBlock
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790 033601 - Disclosure - Principal subsidiaries (Tables) Network

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http://www.home.barclays/role/PrincipalSubsidiariesTables
791 Implied Table Table

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implied:Table
792 Principal Subsidiaries Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
793 Principal subsidiaries details Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesExplanatory
794 Entities excluded from consolidation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory
795 033701 - Disclosure - Structured entities (Tables) Network

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http://www.home.barclays/role/StructuredEntitiesTables
796 Implied Table Table

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implied:Table
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799 033801 - Disclosure - Investments in associates and joint ventures (Tables) Network

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http://www.home.barclays/role/InvestmentsInAssociatesAndJointVenturesTables
800 Implied Table Table

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803 Summarised financial information associates and joint ventures Concept (Text Block (HTML)) For Period bcs:DisclosureOfReconciliationOfSummarisedFinancialInformationOfAssociatesAndJointVenturesTableTextBlock
804 033901 - Disclosure - Securitisations (Tables) Network

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http://www.home.barclays/role/SecuritisationsTables
805 Implied Table Table

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807 Transfers of financial assets that do not result in derecognition Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionExplanatory
808 Continuing involvement in financial assets that have been derecognised Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfContinuingInvolvementInDerecognisedFinancialAssetsExplanatory
809 034001 - Disclosure - Assets pledged (Tables) Network

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http://www.home.barclays/role/AssetsPledgedTables
810 Implied Table Table

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implied:Table
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813 Collateral held as security for assets Concept (Text Block (HTML)) For Period ifrs-full:InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory
814 034101 - Disclosure - Related party transactions and Directors' remuneration (Tables) Network

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http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationTables
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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
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825 034201 - Disclosure - Auditors' remuneration (Tables) Network

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*

http://www.home.barclays/role/AuditorsRemunerationTables
826 Implied Table Table

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implied:Table
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829 034301 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale (Tables) Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleTables
830 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
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840 Disposal group income statement Concept (Text Block (HTML)) For Period srt:ScheduleOfCondensedIncomeStatementTableTextBlock
841 Other comprehensive income Concept (Text Block (HTML)) For Period srt:CondensedStatementOfComprehensiveIncomeTableTextBlock
842 Cash flows Concept (Text Block (HTML)) For Period srt:ScheduleOfCondensedCashFlowStatementTableTextBlock
843 034401 - Disclosure - Transition disclosures (Tables) Network

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*

http://www.home.barclays/role/TransitionDisclosuresTables
844 Implied Table Table

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implied:Table
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848 Classification and measurement detail Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReclassificationOfFinancialAssetsExplanatory
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850 034701 - Disclosure - Other disclosures - Risk Management and Principal Risks (audited) (Tables) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksauditedTables
851 Implied Table Table

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854 Loans and advances at amortised cost by stage and product (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionMatrixExplanatory
855 Movement in gross exposure and impairment allowance including provisions for loan commitments and financial guarantees (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCreditRiskExplanatory
856 Management adjustments to models for impairment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationExplanatory
857 Core macroeconomic variables for each scenario and the respective scenario weights Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfCreditExposuresUsingExternalCreditGradingSystemExplanatory
858 ECL under 100% weighted scenarios for key principal portfolios Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfInputsAssumptionsAndEstimationTechniquesUsedToApplyImpairmentRequirementsExplanatory
859 Concentrations of Credit Risk by geography and industry (audited) Concept (Text Block (HTML)) For Period ifrs-full:ExplanationOfCreditRiskManagementPracticesAndHowTheyRelateToRecognitionAndMeasurementOfExpectedCreditLossesExplanatory
860 Balance Sheet credit quality (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInternalCreditExposuresExplanatory
861 Credit risk profile by internal PD band for loans and advances at amortised cost, contingent liabilities and loan commitments (audited) Concept (Text Block (HTML)) For Period ifrs-full:AnalysisOfCreditExposuresUsingInternalCreditGradingSystemExplanatory
862 Derivative assets (audited) Concept (Text Block (HTML)) For Period bcs:AnalysisOfDerivativeAssetsTableTextBlock
863 Management Value at Risk (audited) Concept (Text Block (HTML)) For Period bcs:ManagementValueAtRiskTableTextBlock
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865 Contractual maturity of financial assets and liabilities (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskExplanatory
866 Contractual maturity of financial liabilities - undiscounted (audited) Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
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870 Functional currency of the operation (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
871 Net interest income sensitivity (AEaR) by business unit and Analysis of equity sensivity (audited) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisToChangesInRiskExposuresThatAriseFromContractsWithinScopeOfIFRS17Explanatory
872 040020 - Disclosure - Consolidated cash flow statement (Narrative) (Details) Network

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*

http://www.home.barclays/role/ConsolidatedCashFlowStatementNarrativeDetails
873 Implied Table Table

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877 Balances with banks and other regulatory authorities Concept (Monetary) As Of Debit ifrs-full:MandatoryReserveDepositsAtCentralBanks
878 040101 - Disclosure - Significant accounting policies (Details) Network

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http://www.home.barclays/role/SignificantAccountingPoliciesDetails
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896 040201 - Disclosure - Segmental reporting - Analysis of results by business (Details) Network

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http://www.home.barclays/role/SegmentalReportingAnalysisOfResultsByBusinessDetails
897 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
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924 040202 - Disclosure - Segmental reporting - Analysis of results by business (Narrative) (Details) Network

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http://www.home.barclays/role/SegmentalReportingAnalysisOfResultsByBusinessNarrativeDetails
925 Disclosure of operating segments [table] Table

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*

ifrs-full:DisclosureOfOperatingSegmentsTable
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946 040203 - Disclosure - Segmental reporting - Income by geographic region (Details) Network

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http://www.home.barclays/role/SegmentalReportingIncomeByGeographicRegionDetails
947 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
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964 040204 - Disclosure - Segmental reporting - Income by geographic region (Narrative) (Details) Network

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http://www.home.barclays/role/SegmentalReportingIncomeByGeographicRegionNarrativeDetails
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ifrs-full:DisclosureOfMajorCustomersTable
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977 040301 - Disclosure - Net interest income (Details) Network

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http://www.home.barclays/role/NetInterestIncomeDetails
978 Implied Table Table

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992 040302 - Disclosure - Net interest income (Narrative) (Details) Network

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http://www.home.barclays/role/NetInterestIncomeNarrativeDetails
993 Implied Table Table

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997 Gain (loss) on hedge ineffectiveness recognised in net interest income Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
998 040401 - Disclosure - Net fee and commission income (Details) Network

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http://www.home.barclays/role/NetFeeAndCommissionIncomeDetails
999 Disclosure of disaggregation of revenue from contracts with customers [table] Table

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ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
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1025 040402 - Disclosure - Net fee and commission income (Narrative) (Details) Network

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http://www.home.barclays/role/NetFeeAndCommissionIncomeNarrativeDetails
1026 Disclosure of detailed information about intangible assets [table] Table

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1037 Capitalised contract costs Concept (Monetary) As Of Debit ifrs-full:AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers
1038 Amortisation, assets recognised from costs incurred to obtain or fulfil contracts with customers Concept (Monetary) For Period Debit ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
1039 Impairment loss, assets recognised from costs incurred to obtain or fulfil contracts with customers Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
1040 Description of method used to determine amortisation of assets recognised from costs to obtain or fulfil contracts with customers Concept (Text/String) For Period ifrs-full:DescriptionOfMethodUsedToDetermineAmortisationOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers
1041 040501 - Disclosure - Net trading income (Details) Network

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*

http://www.home.barclays/role/NetTradingIncomeDetails
1042 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1043 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1044 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1045 Assets held for trading [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
1046 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
1047 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
1048 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1049 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1050 Liabilities held for trading [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember
1051 Financial liabilities designated at fair value [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
1052 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1053 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1054 Own credit losses [member] Member ifrs-full:FinancialInstrumentsMeasuredAtFairValueThroughProfitOrLossBecauseCreditDerivativeIsUsedToManageCreditRiskMember
1055 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1056 Net trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
1057 040601 - Disclosure - Net investment income (Details) Network

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*

http://www.home.barclays/role/NetInvestmentIncomeDetails
1058 Implied Table Table

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*

implied:Table
1059 Net investment income [abstract] Abstract ifrs-full:MaterialIncomeAndExpenseAbstract
1060 Net gain from disposal of available for sale investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
1061 Net gain from disposal of debt instruments at FV through OCI Concept (Monetary) For Period Credit bcs:GainLossOnDisposalOfInvestmentsInDebtInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome
1062 Dividend income Concept (Monetary) For Period Credit ifrs-full:RevenueFromDividends
1063 Net gain from financial instruments designated at fair value Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
1064 Other investment income Concept (Monetary) For Period Credit bcs:OtherInvestmentIncome
1065 Net investment income Concept (Monetary) For Period Credit bcs:InvestmentIncomeExpense
1066 040705 - Disclosure - Credit impairment charges and other provisions - Movements in allowance for impairment by asset class (audited) (Details) Network

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http://www.home.barclays/role/CreditImpairmentChargesAndOtherProvisionsMovementsInAllowanceForImpairmentByAssetClassauditedDetails
1067 Disclosure of impairment loss recognised or reversed for cash-generating unit [table] Table

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*

ifrs-full:DisclosureOfImpairmentLossRecognisedOrReversedTable
1068 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1069 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1070 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1071 Home loans [member] Member ifrs-full:MortgagesMember
1072 Credit cards, unsecured and other retail lending [member] Member bcs:CreditCardsUnsecuredAndOtherRetailLendingMember
1073 Corporate loans [member] Member ifrs-full:CorporateLoansMember
1074 Disclosure of impairment loss and reversal of impairment loss [line items] LineItems ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
1075 Opening/Beginning balance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1076 Acquisitions and disposals Concept (Monetary) For Period Credit bcs:IncreaseDecreaseThroughAcquisitionsAndDisposalsAllowanceForCreditLossesOfFinancialAssets
1077 Unwind of discount Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughAdjustmentsArisingFromPassageOfTimeAllowanceAccountForCreditLossesOfFinancialAssets
1078 Exchange and other adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets
1079 Amounts written off Concept (Monetary) For Period Debit ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1080 Recoveries Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
1081 Amounts charged to income statement Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1082 Closing/Ending balance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1083 040710 - Disclosure - Credit impairment charges and other provisions - Modification of financial assets (audited) (Narrative) (Details) Network

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*

http://www.home.barclays/role/CreditImpairmentChargesAndOtherProvisionsModificationOfFinancialAssetsauditedNarrativeDetails
1084 Implied Table Table

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*

implied:Table
1085 Credit impairment charges and other provisions Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
1086 Financial assets modified during the period Abstract bcs:FinancialAssetsModifiedDuringThePeriodAbstract
1087 Amortised cost before modification Concept (Monetary) For Period Debit ifrs-full:FinancialAssetsWithContractualCashFlowsModifiedDuringReportingPeriodWhileLossAllowanceMeasuredAtLifetimeExpectedCreditLossesAmortisedCostBeforeModification
1088 Net modification gain/(loss) Concept (Monetary) For Period Credit ifrs-full:FinancialAssetsWithContractualCashFlowsModifiedDuringReportingPeriodWhileLossAllowanceMeasuredAtLifetimeExpectedCreditLossesModificationGainLoss
1089 Financial assets modified since initial recognition Abstract bcs:FinancialAssetsModifiedSinceInitialRecognitionAbstract
1090 Gross carrying amount at 31 December of financial assets for which loss allowance has changed to 12-month measurement during the period Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsWithModifiedContractualCashFlowsWhileLossAllowanceMeasuredAtLifetimeExpectedCreditLossesForWhichLossAllowanceChangedDuringReportingPeriodTo12monthExpectedCreditLossesGrossCarryingAmount
1091 040715 - Disclosure - Credit impairment charges and other provisions (Narrative) (Details) Network

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*

http://www.home.barclays/role/CreditImpairmentChargesAndOtherProvisionsNarrativeDetails
1092 Disclosure of impairment loss and reversal of impairment loss [table] Table

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*

ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
1093 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1094 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1095 Retail Portfolios [member] Member bcs:RetailPortfoliosMember
1096 Wholesale Portfolios [member] Member bcs:WholesalePortfoliosMember
1097 Disclosure of impairment loss and reversal of impairment loss [line items] LineItems ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
1098 Information on how entity determined whether credit risk of financial instruments has increased significantly since initial recognition Concept (Text/String) For Period ifrs-full:InformationOnHowEntityDeterminedWhetherCreditRiskOfFinancialInstrumentsHasIncreasedSignificantlySinceInitialRecognition
1099 Description of how forward-looking information has been incorporated into determination of expected credit losses Concept (Text/String) For Period ifrs-full:DescriptionOfHowForwardlookingInformationHasBeenIncorporatedIntoDeterminationOfExpectedCreditLosses
1100 Information about entity's definitions of default Concept (Text/String) For Period ifrs-full:InformationAboutEntitysDefinitionsOfDefault
1101 Description of basis of inputs and assumptions and estimation techniques used to determine whether financial asset is credit-impaired financial asset Concept (Text/String) For Period ifrs-full:DescriptionOfBasisOfInputsAndAssumptionsAndEstimationTechniquesUsedToDetermineWhetherFinancialAssetIsCreditimpairedFinancialAsset
1102 Impairment charges on loans and advances Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances
1103 Financial assets written off during reporting period and still subject to enforcement activity, contractual amount outstanding Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsWrittenOffDuringReportingPeriodAndStillSubjectToEnforcementActivityContractualAmountOutstanding
1104 040801 - Disclosure - Operating expenses (Details) Network

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*

http://www.home.barclays/role/OperatingExpensesDetails
1105 Implied Table Table

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*

implied:Table
1106 Operating expenses Abstract ifrs-full:ExpenseByNatureAbstract
1107 Infrastructure costs Abstract ifrs-full:ChangesInPropertyPlantAndEquipmentAbstract
1108 Property and equipment Concept (Monetary) For Period Debit ifrs-full:ChangesInPropertyPlantAndEquipment
1109 Depreciation of property, plant and equipment Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1110 Operating lease rentals Concept (Monetary) For Period Debit ifrs-full:RentalExpense
1111 Amortisation of intangible assets Concept (Monetary) For Period Debit ifrs-full:AmortisationExpense
1112 Impairment of property, equipment and intangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1113 Total Infrastructure costs Concept (Monetary) For Period Debit bcs:InfrastructureCosts
1114 Administration and general costs Abstract bcs:SellingGeneralAndAdministrativeAbstract
1115 Consultancy, legal and professional fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
1116 Subscriptions, publications, stationery and communications Concept (Monetary) For Period Debit ifrs-full:CommunicationExpense
1117 Marketing, advertising and sponsorship Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1118 Travel and accommodation Concept (Monetary) For Period Debit ifrs-full:TravelExpense
1119 UK Bank levy Concept (Monetary) For Period Debit ifrs-full:BankAndSimilarCharges
1120 Other administration and general expenses Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
1121 Total administration and general expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
1122 Staff costs Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1123 Litigation and conduct Concept (Monetary) For Period Debit ifrs-full:LossesOnLitigationSettlements
1124 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1125 040901 - Disclosure - Tax - Tax Charge (Details) Network

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http://www.home.barclays/role/TaxTaxChargeDetails
1126 Implied Table Table

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*

implied:Table
1127 Tax Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1128 Current tax charge/(credit) Abstract ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
1129 Current year Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1130 Adjustments in respect of prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1131 Total Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1132 Deferred tax charge/(credit) Abstract ifrs-full:DeferredTaxExpenseIncomeAbstract
1133 Current year Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1134 Adjustments in respect of prior years Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
1135 Total Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1136 Tax charge Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1137 040902 - Disclosure - Tax - Reconciliation between the actual tax charge and the corporate tax rate (Details) Network

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*

http://www.home.barclays/role/TaxReconciliationBetweenTheActualTaxChargeAndTheCorporateTaxRateDetails
1138 Implied Table Table

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*

implied:Table
1139 Tax Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1140 Profit before tax from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1141 Tax charge based on the standard UK corporation tax rate of 19% (2017: 19.25%; 2016: 20%) Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1142 Impact of profits/losses earned in territories with different statutory rates to the UK (weighted average tax rate is 21.9% (2017: 29.4%; 2016: 32.8%)) Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1143 Tax, percentage [abstract] Abstract bcs:TaxPercentageAbstract
1144 Tax charge based on the standard UK corporation tax rate of 19% (2017: 19.25%; 2016: 20%) Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1145 Impact of profits/losses earned in territories with different statutory rates to the UK (weighted average tax rate is 21.9% (2017: 29.4%; 2016: 32.8%)) Concept (Percent) For Period ifrs-full:TaxRateEffectOfForeignTaxRates
1146 Recurring items [abstract] Abstract bcs:RecurringItemsAbstract
1147 Non-creditable taxes including withholding taxes Concept (Monetary) For Period Debit bcs:TaxEffectOfNonCreditableTaxesIncludingWitholdingTaxes
1148 Non-deductible expenses Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1149 Impact of UK bank levy being non-deductible Concept (Monetary) For Period Debit bcs:TaxEffectOfUkBankLevyBeingNonDeductible
1150 Tax adjustments in respect of share-based payments Concept (Monetary) For Period Debit bcs:TaxAdjustmentsForSharebasedPayments
1151 Non-taxable gains and income Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1152 Changes in recognition of deferred tax and effect of unrecognised tax losses Concept (Monetary) For Period Credit bcs:TaxEffectOfChangesInRecognitionOfDeferredTaxAndEffectOfUnrecognisedTax
1153 Impact of Barclays Bank PLC's overseas branches being taxed both locally and in the UK Concept (Monetary) For Period Credit bcs:TaxEffectOfOverseasBranchesBeingTaxedBothLocallyAndIUk
1154 Adjustments in respect of prior years Concept (Monetary) For Period Debit bcs:AdjustmentsInRespectOfPriorYears
1155 Banking surcharge and other items Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1156 Recurring items, percentages [abstract] Abstract bcs:RecurringItemsPercentagesAbstract
1157 Non-creditable taxes including withholding taxes, percentage Concept (Percent) For Period bcs:TaxRateEffectOfNonCreditableTaxesIncludingWitholdingTaxes
1158 Non-deductible expenses, percentage Concept (Percent) For Period ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1159 Impact of UK bank levy being non-deductible, percentage Concept (Percent) For Period bcs:TaxRateEffectOfUkBankLevyBeingNonDeductible
1160 Tax adjustments in respect of share-based payments, percentage Concept (Percent) For Period bcs:TaxRateEffectOfAdjustmentsForSharebasedPayments
1161 Non-taxable gains and income, percentage Concept (Percent) For Period ifrs-full:TaxRateEffectOfRevenuesExemptFromTaxation
1162 Changes in recognition of deferred tax and effect of unrecognised tax losses, percentage Concept (Percent) For Period bcs:TaxRateEffectOfChangesInRecognitionOfDeferredTaxAndEffectOfUnrecognisedTax
1163 Impact of Barclays Bank PLC's overseas branches being taxed both locally and in the UK, percentage Concept (Percent) For Period bcs:TaxRateEffectOfOverseasBranchesBeingTaxedBothLocallyAndUk
1164 Adjustments in respect of prior years, percentage Concept (Percent) For Period bcs:AdjustmentsInRespectOfPriorYearsPercentage
1165 Banking surcharge and other items, percentage Concept (Percent) For Period ifrs-full:OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1166 Non-recurring items [abstract] Abstract bcs:NonrecurringItemsAbstract
1167 Remeasurement of US deferred tax assets due to US tax rate reduction Concept (Monetary) For Period Debit bcs:RemeasurementOfUnitedStatesDeferredTaxAssets
1168 Impact of the UK branch exemption election on US branch deferred tax assets Concept (Monetary) For Period Credit bcs:ImpactOfTheUnitedKingdomBranchExemptionOnDeferredTaxAssets
1169 Non-deductible provisions for UK customer redress Concept (Monetary) For Period Debit bcs:TaxEffectNondeductibleProvisionsForUkCustomerRedress
1170 Non-deductible provisions for investigations and litigation Concept (Monetary) For Period Debit bcs:TaxEffectNondeductibleProvisionsForInvestigationsAndLitigation
1171 Non-taxable gains and income on divestments Concept (Monetary) For Period Credit bcs:TaxEffectNontaxableGainsAndIncomeOnDivestments
1172 Non-deductible impairments and losses on divestments Concept (Monetary) For Period Debit bcs:TaxEffectNondeductibleImpairmentsAndLossesOnDivestments
1173 Non-recurring items, percentages [abstract] Abstract bcs:NonRecurringItemsPercentagesAbstract
1174 Remeasurement of US deferred tax assets due to US tax rate reduction, percentage Concept (Percent) For Period bcs:TaxRateEffectRemeasurementOfUnitedStatesDeferredTaxAssetsPercentage
1175 Impact of the United Kingdom branch exemption election on US branch deferred tax assets, percentage Concept (Percent) For Period bcs:ImpactOfTheUnitedKingdomBranchExemptionOnDeferredTaxAssetsPercentage
1176 Non-deductible provisions for UK customer redress, percentage Concept (Percent) For Period bcs:TaxRateEffectNondeductibleProvisionsForUkCustomerRedress
1177 Non-deductible provisions for investigations and litigation , percentage Concept (Percent) For Period bcs:TaxRateEffectNondeductibleProvisionsForInvestigationsAndLitigation
1178 Non-taxable gains and income on divestments, percentage Concept (Percent) For Period bcs:TaxRateEffectNontaxableGainsAndIncomeOnDivestments
1179 Non-deductible impairments and losses on divestments, percentage Concept (Percent) For Period bcs:TaxRateEffectNondeductibleImpairmentsAndLossesOnDivestments
1180 Tax charge Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1181 Total tax charge, percentage Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1182 040903 - Disclosure - Tax - Reconciliation between the actual tax charge and the corporate tax rate (Parenthetical) (Details) Network

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http://www.home.barclays/role/TaxReconciliationBetweenTheActualTaxChargeAndTheCorporateTaxRateParentheticalDetails
1183 Disclosure of geographical areas [table] Table

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*

ifrs-full:DisclosureOfGeographicalAreasTable
1184 Range [axis] Axis srt:RangeAxis
1185 Ranges [member] Member ifrs-full:RangesMember
1186 Weighted average [member] Member ifrs-full:WeightedAverageMember
1187 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
1188 Tax charge based on the standard UK corporation tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1189 Impact of profits/losses earned in territories with different statutory rates Concept (Percent) For Period ifrs-full:TaxRateEffectOfForeignTaxRates
1190 040904 - Disclosure - Tax - Current tax assets and liabilities (Details) Network

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*

http://www.home.barclays/role/TaxCurrentTaxAssetsAndLiabilitiesDetails
1191 Implied Table Table

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*

implied:Table
1192 Tax Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1193 Assets Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
1194 Liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
1195 Net current tax assets (liabilities) Concept (Monetary) As Of Credit bcs:NetCurrentTaxAssetsLiabilities
1196 As at 1 January Concept (Monetary) As Of Credit bcs:NetCurrentTaxAssetsLiabilities
1197 Income statement from continuing operations Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1198 Other comprehensive income Concept (Monetary) For Period bcs:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeCurrentTaxAssetLiability
1199 Corporate income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefund
1200 Other movements Concept (Monetary) For Period Credit bcs:CurrentTaxOtherMovements
1201 As at 31 December Concept (Monetary) As Of Credit bcs:NetCurrentTaxAssetsLiabilities
1202 Assets Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
1203 Liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
1204 Net current tax assets (liabilities) Concept (Monetary) As Of Credit bcs:NetCurrentTaxAssetsLiabilities
1205 Income statement in relation to BAGL disposal group Concept (Monetary) For Period Debit ifrs-full:TaxExpenseRelatingToGainLossOnDiscontinuance
1206 040905 - Disclosure - Tax - Deferred tax assets and liabilities (Details) Network

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*

http://www.home.barclays/role/TaxDeferredTaxAssetsAndLiabilitiesDetails
1207 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1208 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1209 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1210 Intermediate Holding Company - IHC Tax Group [member] Member bcs:IntermediateHoldingCompanyMember
1211 US Branch Tax group [member] Member bcs:BarclaysBankPlcMember
1212 UK Tax group [member] Member srt:ParentCompanyMember
1213 Other [member] Member bcs:OtherSubsidiariesMember
1214 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1215 Deferred tax asset Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1216 Deferred tax liability Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1217 Net deferred tax Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1218 040906 - Disclosure - Tax - Movements on deferred tax assets and liabilities during the year before offsetting (Details) Network

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*

http://www.home.barclays/role/TaxMovementsOnDeferredTaxAssetsAndLiabilitiesDuringTheYearBeforeOffsettingDetails
1219 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1220 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1221 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1222 Fixed asset timing differences [member] Member bcs:FixedAssetTimingDifferencesMember
1223 Loan impairment allowance [member] Member ifrs-full:AllowanceForCreditLossesMember
1224 Tax losses carried forward [member] Member ifrs-full:UnusedTaxLossesMember
1225 Other [member] Member ifrs-full:OtherTemporaryDifferencesMember
1226 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1227 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1228 Available for sale investments [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1229 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1230 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1231 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
1232 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1233 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
1234 Retirement benefit obligation [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
1235 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
1236 Other provisions [member] Member ifrs-full:OtherProvisionsMember
1237 Other provisions [member] Member ifrs-full:MiscellaneousOtherProvisionsMember
1238 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1239 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1240 Share-based payments and deferred compensation [member] Member bcs:SharebasedCompensationAndDeferredCompensationMember
1241 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1242 Assets Concept (Monetary) As Of Debit bcs:DeferredTaxAssetsBeforeOffsetting
1243 Liabilities Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilitiesBeforeOffsetting
1244 Net deferred tax (liability) asset Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilityAssetBeforeOffsetting
1245 At 1 January Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilityAssetBeforeOffsetting
1246 Income statement Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1247 Other comprehensive income Concept (Monetary) For Period bcs:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeDeferredTaxAssetLiability
1248 Other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1249 At 31 December Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilityAssetBeforeOffsetting
1250 Assets Concept (Monetary) As Of Debit bcs:DeferredTaxAssetsBeforeOffsetting
1251 Liabilities Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilitiesBeforeOffsetting
1252 Net deferred tax (liability) asset Concept (Monetary) As Of Credit bcs:DeferredTaxLiabilityAssetBeforeOffsetting
1253 040907 - Disclosure - Tax (Narrative) (Details) Network

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http://www.home.barclays/role/TaxNarrativeDetails
1254 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

*

*

ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1255 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1256 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1257 Temporary differences [member] Member ifrs-full:TemporaryDifferenceMember
1258 Unused tax losses [member] Member ifrs-full:UnusedTaxLossesMember
1259 Unused tax credits [member] Member ifrs-full:UnusedTaxCreditsMember
1260 Capital losses [member] Member bcs:CapitalLossMember
1261 Loss in current or prior year [member] Member bcs:LossInCurrentOrPriorYearMember
1262 Range [Axis] Axis ifrs-full:RangeAxis
1263 Ranges [member] Member ifrs-full:RangesMember
1264 Weighted average [member] Member ifrs-full:WeightedAverageMember
1265 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1266 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
1267 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
1268 Barclay's Africa Banking Group Limited (BAGL) [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
1269 Maturity [axis] Axis ifrs-full:MaturityAxis
1270 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1271 After more than 12 months [member] Member ifrs-full:LaterThanOneYearMember
1272 Within five years [member] Member bcs:WithinFiveYearsMember
1273 Within six to ten years [member] Member bcs:WithinSixToTenYearsMember
1274 Within eleven to twenty years [member] Member bcs:WithinElevenToTwentyYearsMember
1275 Indefinitely [member] Member bcs:IndefinitelyMember
1276 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1277 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1278 Related parties [member] Member ifrs-full:RelatedPartiesMember
1279 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1280 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1281 UK Legislation enacted [member] Member country:GB
1282 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
1283 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
1284 Intermediate Holding Company - IHC Tax Group [member] Member bcs:IntermediateHoldingCompanyMember
1285 US Branch Tax group [member] Member bcs:BarclaysBankPlcMember
1286 UK Tax group [member] Member srt:ParentCompanyMember
1287 Other [member] Member bcs:OtherSubsidiariesMember
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1289 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1290 Changes in tax rates or tax laws enacted or announced [member] Member ifrs-full:ChangesInTaxRatesOrTaxLawsEnactedOrAnnouncedMember
1291 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
1292 New IFRSs [member] Member ifrs-full:NewIFRSsMember
1293 IAS 12 [member] Member bcs:Ias12Member
1294 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1295 Equity [member] Member ifrs-full:EquityMember
1296 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
1297 Additional Tier 1 securities [member] Member bcs:AdditionalTierOneSecuritiesMember
1298 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1299 Currently stated [member] Member ifrs-full:RestatedMember
1300 Increase (decrease) due to voluntary changes in accounting policy [member] Member ifrs-full:IncreaseDecreaseDueToVoluntaryChangesInAccountingPolicyMember
1301 IFRSs 9 [member] Member bcs:IFRSs9Member
1302 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1303 Average effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1304 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1305 New and amended standards and interpretations Concept (Text/String) For Period ifrs-full:DiscussionOfImpactThatInitialApplicationOfIFRSIsExpectedToHaveOnFinancialStatements
1306 Tax effect from change in tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1307 Other Concept (Monetary) For Period Credit ifrs-full:OtherIndividuallyImmaterialComponentsOfOtherComprehensiveIncomeNetOfTax
1308 Additional deferred tax assets Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInDeferredTaxLiabilityAsset
1309 Tax expense relating to profit (loss) from ordinary activities of discontinued operations Concept (Monetary) For Period Debit ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
1310 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1311 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1312 Deductible temporary differences for which no deferred tax asset is recognised Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1313 Unused tax losses for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1314 Unused tax credits for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
1315 Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised Concept (Monetary) As Of ifrs-full:TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures
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1317 041001 - Disclosure - Earnings per share (Details) Network

*

*

http://www.home.barclays/role/EarningsPerShareDetails
1318 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
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1321 other equity holders [member] Member ifrs-full:OtherEquityInterestMember
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1323 Other equity instrument holders Concept (Monetary) For Period Credit bcs:ProfitLossAttributableToOtherEquityHoldersOfTheParent
1324 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1325 Other equity instruments coupons paid Concept (Monetary) For Period Credit bcs:IncreaseDecreaseOtherEquityInstrumentsCouponsPaid
1326 041001 - Disclosure - Earnings per share (Details) Network

*

*

http://www.home.barclays/role/EarningsPerShareDetails
1327 Implied Table Table

*

*

implied:Table
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1329 Profit/(loss) attributable to ordinary equity holders of parent from continuing and discontinued operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
1330 Tax credit on profit after tax attributable to other equity holders Concept (Monetary) For Period Credit bcs:TaxCreditOnProfitAfterTaxAttributableToOtherEquityHolders
1331 Total (loss)/profit attributable to ordinary equity holders of the parent from continuing and discontinued operations Concept (Monetary) For Period Credit bcs:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityBeforeTaxCreditOnProfitAfterTaxAttributableToOtherEquityHolders
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1333 Profit attributable to ordinary equity holders of the parent from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
1334 Tax credit on profit after tax attributable to other equity holders Concept (Monetary) For Period Credit bcs:TaxCreditOnProfitAfterTaxAttributableToOtherEquityHolders
1335 Profit attributable to equity holders of the parent from continuing operations Concept (Monetary) For Period Credit bcs:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntityBeforeTaxCreditOnProfitAfterTaxAttributableToOtherEquityHolders
1336 Discontinued operation [abstract] Abstract bcs:DiscontinuedOperationAbstract
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1338 Dilutive impact of convertible options from discontinued operations Concept (Monetary) For Period Debit bcs:DilutiveImpactOfConvertibleOptionsFromDiscontinuedOperation
1339 (Loss)/profit attributable to equity holders of the parent from discontinued operations including dilutive impact on convertible options Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1340 Profit (loss) attributable to equity holders of the parent from continuing and discontinued operations including dilutive impact on convertible options Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1341 Basic weighted average number of shares in issue Concept (Shares) For Period ifrs-full:WeightedAverageShares
1342 Number of potential ordinary shares Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1343 Diluted weighted average number of shares Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1344 Basic earnings/(loss) per ordinary share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1345 Basic earnings per ordinary share in respect of continuing operations Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
1346 Basic loss per ordinary share from discontinued operations Concept (Share) For Period ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
1347 Diluted (loss)/earnings per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1348 Diluted earnings per ordinary share from continuing operations Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
1349 Diluted (loss)/earnings per ordinary share in respect of discontinued operations Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
1350 041002 - Disclosure - Earnings per share (Narrative) (Details) Network

*

*

http://www.home.barclays/role/EarningsPerShareNarrativeDetails
1351 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1352 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1353 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1354 Antidilutive [member] Member bcs:AntidilutiveMember
1355 Employee share schemes and Scrip Dividend Programme [member] Member bcs:EmployeeShareSchemesAndScripDividendProgrammeMember
1356 Range [Axis] Axis ifrs-full:RangeAxis
1357 Ranges [member] Member ifrs-full:RangesMember
1358 Weighted average [member] Member ifrs-full:WeightedAverageMember
1359 Min [member] Member ifrs-full:BottomOfRangeMember
1360 Max [member] Member ifrs-full:TopOfRangeMember
1361 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1362 Number of potential ordinary shares Concept (Shares) For Period ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1363 Number of share options granted in share-based payment arrangement, shares Concept (Shares) For Period bcs:NumberOfShareOptionsGrantedInSharebasedPaymentArrangementShares
1364 Weighted average number of ordinary shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
1365 Strike price Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1366 Increase (decrease) in number of shares outstanding Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
1367 Number of shares issued and fully paid Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
1368 041101 - Disclosure - Dividends on ordinary shares (Narrative) (Details) Network

*

*

http://www.home.barclays/role/DividendsOnOrdinarySharesNarrativeDetails
1369 Common [Table] Table

*

*

srt:CommonTable
1370 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1371 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1372 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1373 Consolidated and separate financial statements [line items] LineItems bcs:ConsolidatedAndSeparateFinancialStatementsLineItems
1374 Dividends approved, per share Concept (Share) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare
1375 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1376 Total Dividend, per share Concept (Share) For Period ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
1377 Ordinary shares in issue Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedButNotFullyPaid
1378 Interim dividends Concept (Monetary) As Of Credit ifrs-full:DividendsPayable
1379 Dividends declared Concept (Monetary) For Period ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners
1380 Dividends recognised as distributions to owners of parent, relating to prior years Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears
1381 041201 - Disclosure - Trading portfolio (Details) Network

*

*

http://www.home.barclays/role/TradingPortfolioDetails
1382 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1383 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1384 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1385 Debt securities and other eligible bills [member] Member ifrs-full:DebtSecuritiesMember
1386 Equity securities [member] Member ifrs-full:TradingEquitySecuritiesMember
1387 Traded loans [member] Member bcs:TradedLoansMember
1388 Commodities [Member] Member bcs:CommoditiesMember
1389 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1390 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1391 Trading portfolio liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1392 041301 - Disclosure - Financial assets at fair value through the income statement (Details) Network

*

*

http://www.home.barclays/role/FinancialAssetsAtFairValueThroughTheIncomeStatementDetails
1393 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
1394 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1395 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1396 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1397 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
1398 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
1399 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1400 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
1401 Debt securities Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsHeld
1402 Equity securities Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsHeld
1403 Reverse repurchase agreements Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
1404 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
1405 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1406 041302 - Disclosure - Financial assets at fair value through the income statement - Credit risk of loans and advances designated at fair value and related credit derivatives (Details) Network

*

*

http://www.home.barclays/role/FinancialAssetsAtFairValueThroughTheIncomeStatementCreditRiskOfLoansAndAdvancesDesignatedAtFairValueAndRelatedCreditDerivativesDetails
1407 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
1408 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1409 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1410 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1411 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1412 Risks [member] Member ifrs-full:TypesOfRisksMember
1413 Credit risk [member] Member ifrs-full:CreditRiskMember
1414 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1415 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1416 Derivatives [member] Member ifrs-full:DerivativesMember
1417 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1418 Loans and advances designated at fair value, attributable to credit risk Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRiskOfLoansOrReceivables
1419 Value mitigated by related credit derivatives Concept (Monetary) As Of ifrs-full:AmountByWhichLoansOrReceivablesRelatedCreditDerivativesOrSimilarInstrumentsMitigateMaximumExposureToCreditRisk
1420 Changes in fair value during the year ended Concept (Monetary) For Period Debit ifrs-full:ChangesInFairValueOfLoansOrReceivablesAttributableToChangesInCreditRiskOfFinancialAssets
1421 Cumulative changes in fair value from inception Concept (Monetary) As Of Debit ifrs-full:AccumulatedChangesInFairValueOfLoanOrReceivableAttributableToChangesInCreditRiskOfFinancialAssets
1422 041501 - Disclosure - Derivative financial instruments - Total Derivatives (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsTotalDerivativesDetails
1423 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1424 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1425 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1426 Held for trading [member] Member bcs:HeldForTradingMember
1427 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1428 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1429 Held for risk management [Member] Member bcs:HeldForRiskManagementMember
1430 Measurement [axis] Axis ifrs-full:MeasurementAxis
1431 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1432 At fair value [member] Member ifrs-full:AtFairValueMember
1433 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1434 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1435 Derivatives [member] Member ifrs-full:DerivativesMember
1436 Disclosure of risk management strategy related to hedge accounting [line items] LineItems ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
1437 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1438 Derivative assets held for trading Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssetsHeldForTrading
1439 Derivative assets held for held for risk management Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssetsHeldForHedging
1440 Derivative assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1441 Derivative liabilities held for trading Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesHeldForTrading
1442 Derivative liabilities held for risk management Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesHeldForHedging
1443 Derivative liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1444 041502 - Disclosure - Derivative financial instruments - Derivatives held for trading (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsDerivativesHeldForTradingDetails
1445 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
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1447 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1448 Held for trading [member] Member bcs:HeldForTradingMember
1449 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1450 Risks [member] Member ifrs-full:TypesOfRisksMember
1451 Foreign exchange derivatives [member] Member ifrs-full:CurrencyRiskMember
1452 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1453 Credit derivatives [member] Member ifrs-full:CreditRiskMember
1454 Equity and stock index derivatives [member] Member ifrs-full:EquityPriceRiskMember
1455 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
1456 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1457 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1458 Derivatives [member] Member ifrs-full:DerivativesMember
1459 Forward contract [member] Member ifrs-full:ForwardContractMember
1460 Currency swaps [member] Member ifrs-full:CurrencySwapContractMember
1461 Interest rate swaps [member] Member ifrs-full:InterestRateSwapContractMember
1462 Swaps [member] Member ifrs-full:SwapContractMember
1463 Swaps and forwards [member] Member bcs:SwapsAndForwardsMember
1464 Options bought and sold [member] Member ifrs-full:OptionContractMember
1465 Futures and options bought and sold [Member] Member bcs:FuturesAndOptionsBoughtAndSoldMember
1466 Measurement [axis] Axis ifrs-full:MeasurementAxis
1467 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1468 At fair value [member] Member ifrs-full:AtFairValueMember
1469 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1470 Counterparties [member] Member ifrs-full:CounterpartiesMember
1471 OTC derivatives [member] Member bcs:OverTheCounterDerivativesMember
1472 Cleared by central counterparty [member] Member bcs:ClearedByCentralCounterpartyMember
1473 Exchange traded derivatives [member] Member bcs:ExchangeTradedFuturesAndOptionsMember
1474 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1475 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1476 Derivative assets held for trading Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssetsHeldForTrading
1477 Derivative liabilities held for trading Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesHeldForTrading
1478 041503 - Disclosure - Derivative financial instruments - Derivatives held for risk management (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsDerivativesHeldForRiskManagementDetails
1479 Disclosure of detailed information about hedges [table] Table

*

*

ifrs-full:DisclosureOfHedgeAccountingTable
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1482 Held for risk management [Member] Member bcs:HeldForRiskManagementMember
1483 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1484 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1485 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
1486 Fair value hedges [member] Member ifrs-full:FairValueHedgesMember
1487 Hedges of net investment in foreign operations [member] Member ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
1488 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1489 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1490 Derivatives [member] Member ifrs-full:DerivativesMember
1491 Currency swaps [member] Member ifrs-full:CurrencySwapContractMember
1492 Interest rate swaps [member] Member ifrs-full:InterestRateSwapContractMember
1493 Forward foreign exchange [member] Member ifrs-full:ForwardContractMember
1494 Measurement [axis] Axis ifrs-full:MeasurementAxis
1495 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1496 At fair value [member] Member ifrs-full:AtFairValueMember
1497 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
1498 Counterparties [member] Member ifrs-full:CounterpartiesMember
1499 OTC derivatives [member] Member bcs:OverTheCounterDerivativesMember
1500 Cleared by central counterparty [member] Member bcs:ClearedByCentralCounterpartyMember
1501 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1502 Risks [member] Member ifrs-full:TypesOfRisksMember
1503 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1504 Foreign exchange risk [member] Member ifrs-full:CurrencyRiskMember
1505 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1506 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1507 Derivative assets held for held for risk management Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssetsHeldForHedging
1508 Derivative liabilities held for risk management Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesHeldForHedging
1509 041504 - Disclosure - Derivative financial instruments - Hedged forecast cash flows (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsHedgedForecastCashFlowsDetails
1510 Disclosure of significant unobservable inputs used in fair value measurement of assets [table] Table

*

*

ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable
1511 Maturity [axis] Axis ifrs-full:MaturityAxis
1512 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1513 Up to one year [member] Member ifrs-full:NotLaterThanOneYearMember
1514 One to two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1515 Two to three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1516 Three to four years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1517 Four to five years [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1518 More than five years [member] Member ifrs-full:LaterThanFiveYearsMember
1519 Disclosure of significant unobservable inputs used in fair value measurement of assets [line items] LineItems ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems
1520 Forecast receivable cash flows Concept (Monetary) For Period ifrs-full:FinancialForecastOfCashFlowsForCashgeneratingUnitSignificantUnobservableInputsAssets
1521 Forecast payable cash flows Concept (Monetary) For Period ifrs-full:FinancialForecastOfCashFlowsForCashgeneratingUnitSignificantUnobservableInputsLiabilities
1522 041505 - Disclosure - Derivative financial instruments - Amounts recognised in net interest income (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsAmountsRecognisedInNetInterestIncomeDetails
1523 Implied Table Table

*

*

implied:Table
1524 Derivative financial instruments Abstract ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsAbstract
1525 Gains/(losses) on the hedged items attributable to the hedged risk Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnHedgedItemAttributableToHedgedRisk
1526 Gains/(losses) on the hedging instruments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnHedgingInstrument
1527 Fair value ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
1528 Cash flow hedging ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnIneffectivenessOfCashFlowHedgesRecognisedInProfitOrLoss
1529 Net investment hedging ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnIneffectivenessOfHedgesOfNetInvestmentsInForeignOperations
1530 041506 - Disclosure - Derivative financial instruments - Hedging instruments which are carried on the Group balance sheet (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsHedgingInstrumentsWhichAreCarriedOnTheGroupBalanceSheetDetails
1531 Disclosure of detailed information about hedging instruments [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsTable
1532 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1533 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1534 Derivatives [member] Member ifrs-full:DerivativesMember
1535 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1536 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1537 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1538 Fair value hedges [member] Member ifrs-full:FairValueHedgesMember
1539 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
1540 Hedges of net investment [member] Member ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
1541 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1542 Risks [member] Member ifrs-full:TypesOfRisksMember
1543 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1544 Foreign exchange risk [member] Member ifrs-full:CurrencyRiskMember
1545 Inflation risk [member] Member ifrs-full:OtherPriceRiskMember
1546 Disclosure of detailed information about hedging instruments [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems
1547 Hedging instrument, assets Concept (Monetary) As Of Debit ifrs-full:HedgingInstrumentAssets
1548 Hedging instrument, liabilities Concept (Monetary) As Of Credit ifrs-full:HedgingInstrumentLiabilities
1549 Nominal amount Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
1550 Change in fair value used as a basis to determine hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness
1551 041507 - Disclosure - Derivative financial instruments - The expected notional values of current hedging instruments in future years (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsTheExpectedNotionalValuesOfCurrentHedgingInstrumentsInFutureYearsDetails
1552 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsTable
1553 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1554 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1555 Fair value hedges [member] Member ifrs-full:FairValueHedgesMember
1556 Maturity [axis] Axis ifrs-full:MaturityAxis
1557 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1558 2018 [member] Member ifrs-full:CurrentMember
1559 2019 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1560 2020 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1561 2021 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1562 2022 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1563 Later than five years [member] Member ifrs-full:LaterThanFiveYearsMember
1564 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1565 Risks [member] Member ifrs-full:TypesOfRisksMember
1566 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1567 Inflation risk [member] Member ifrs-full:OtherPriceRiskMember
1568 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1569 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1570 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
1571 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] LineItems ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsLineItems
1572 Nominal amount Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
1573 The average rate % of the hedging instruments across the relationships is: Concept (Percent) As Of ifrs-full:AverageRateOfHedgingInstrument
1574 For number of hedges Concept (Integer) For Period bcs:NumberOfHedges
1575 041509 - Disclosure - Derivative financial instruments - Hedged items in fair value hedge accounting relationships (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsHedgedItemsInFairValueHedgeAccountingRelationshipsDetails
1576 Disclosure of detailed information about hedged items [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsTable
1577 Hedged items [axis] Axis ifrs-full:HedgedItemsAxis
1578 Hedged items [member] Member ifrs-full:HedgedItemsMember
1579 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1580 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
1581 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1582 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1583 Fair value hedges [member] Member ifrs-full:FairValueHedgesMember
1584 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1585 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1586 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1587 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1588 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1589 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1590 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
1591 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1592 Risks [member] Member ifrs-full:TypesOfRisksMember
1593 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1594 Inflation risk [member] Member ifrs-full:OtherPriceRiskMember
1595 Disclosure of detailed information about hedged items [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsLineItems
1596 Assets Abstract ifrs-full:AssetsAbstract
1597 Carrying amount, assets Concept (Monetary) As Of Debit ifrs-full:HedgedItemAssets
1598 Accumulated fair value hedge adjustment included in carrying amount Concept (Monetary) As Of Debit ifrs-full:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssets
1599 Of which: Accumulated fair value adjustment on items no longer in a hedge relationship Concept (Monetary) As Of Debit ifrs-full:AccumulatedFairValueHedgeAdjustmentRemainingInStatementOfFinancialPositionForHedgedItemThatCeasedToBeAdjustedForHedgingGainsAndLossesAssets
1600 Liabilities Abstract ifrs-full:LiabilitiesAbstract
1601 Carrying amount, liabilities Concept (Monetary) As Of Credit ifrs-full:HedgedItemLiabilities
1602 Accumulated fair value hedge adjustment included in carrying amount Concept (Monetary) As Of Credit ifrs-full:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountLiabilities
1603 Of which: Accumulated fair value adjustment on items no longer in a hedge relationship Concept (Monetary) As Of Credit ifrs-full:AccumulatedFairValueHedgeAdjustmentRemainingInStatementOfFinancialPositionForHedgedItemThatCeasedToBeAdjustedForHedgingGainsAndLossesLiabilities
1604 Change in fair value used as a basis to determine hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness
1605 Hedge ineffectiveness recognised in the income statement Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
1606 Line item in the income statement used to recognised ineffectiveness Concept (Text/String) For Period ifrs-full:DescriptionOfLineItemInStatementOfComprehensiveIncomeThatIncludesRecognisedHedgeIneffectiveness
1607 041510 - Disclosure - Derivative financial instruments - Hedged items in cash flow hedge accounting and hedges of net investments in foreign operations (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsHedgedItemsInCashFlowHedgeAccountingAndHedgesOfNetInvestmentsInForeignOperationsDetails
1608 Disclosure of detailed information about hedged items [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsTable
1609 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1610 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1611 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
1612 Hedges of net investment [member] Member ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
1613 Hedged items [axis] Axis ifrs-full:HedgedItemsAxis
1614 Hedged items [member] Member ifrs-full:HedgedItemsMember
1615 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1616 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1617 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1618 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
1619 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1620 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1621 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1622 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1623 Risks [member] Member ifrs-full:TypesOfRisksMember
1624 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1625 Currency [Axis] Axis srt:CurrencyAxis
1626 All Currencies [Domain] Member currency:AllCurrenciesDomain
1627 USD foreign operations Member currency:USD
1628 EUR foreign operations Member currency:EUR
1629 ZAR foreign operations Member currency:ZAR
1630 CAD foreign operations Member currency:CAD
1631 CHF foreign operations Member currency:CHF
1632 HKD foreign operations Member currency:HKD
1633 JPY foreign operations Member currency:JPY
1634 MXN foreign operations Member currency:MXN
1635 SEK foreign operations Member currency:SEK
1636 SGD foreign operations Member currency:SGD
1637 TWD foreign operations Member currency:TWD
1638 BRL foreign operations Member currency:BRL
1639 CNY foreign operations Member currency:CNY
1640 INR foreign operations Member currency:INR
1641 Disclosure of detailed information about hedged items [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsLineItems
1642 Change in fair value used as a basis to determine hedge ineffectiveness Concept (Monetary) For Period Credit ifrs-full:GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness
1643 Balance in cash flow hedge reserve for continuing hedges Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedgesContinuingHedges
1644 Balance in foreign currency reserve for continuing hedges Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslationContinuingHedges
1645 Balances remaining in cash flow hedge reserve for which hedge accounting is no longer applied Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedgesHedgingRelationshipsForWhichHedgeAccountingIsNoLongerApplied
1646 Balances remaining in foreign currency translation reserve for which hedge accounting is no longer applied Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslationHedgingRelationshipsForWhichHedgeAccountingIsNoLongerApplied
1647 Hedging gains or losses recognised in other comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInOtherComprehensiveIncome
1648 Hedge ineffectiveness recognised in the income statement Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
1649 Line item in the statement of comprehensive used to recognised ineffectiveness Concept (Text/String) For Period ifrs-full:DescriptionOfLineItemInStatementOfComprehensiveIncomeThatIncludesRecognisedHedgeIneffectiveness
1650 041511 - Disclosure - Derivative financial instruments - Effect on the income statement and OCI of recycling amounts in respect of Cash flow hedges and Net investment hedges of foreign operations (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsEffectOnTheIncomeStatementAndOCIOfRecyclingAmountsInRespectOfCashFlowHedgesAndNetInvestmentHedgesOfForeignOperationsDetails
1651 Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable
1652 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1653 Risks [member] Member ifrs-full:TypesOfRisksMember
1654 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
1655 Financial statement location [Axis] Axis bcs:FinancialStatementLocationAxis
1656 Financial statement location [Member] Member bcs:FinancialStatementLocationDomain
1657 Interest income [member] Member bcs:InterestIncomeMember
1658 Other income [member] Member bcs:OtherIncomeMember
1659 Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [line items] LineItems ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems
1660 Amount recycled from OCI due to hedged item affecting income statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesForWhichHedgedItemAffectedProfitOrLossNetOfTax
1661 Amount recycled from OCI due to hedged item affecting income statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax
1662 Amount recycled from OCI due to hedged cash flow no longer expected to occur Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesForWhichHedgedFutureCashFlowsAreNoLongerExpectedToOccurNetOfTax
1663 Amount recycled from OCI due to hedged cash flow no longer expected to occur Concept (Monetary) For Period Debit bcs:ReclassificationAdjustmentsOnHedgesOfNetInvestmentsInForeignOperationsForWhichHedgedFutureCashFlowsAreNoLongerExpectedToOccurNetOfTax
1664 041512 - Disclosure - Derivative financial instruments - Reconciliation of the movements of the cash flow hedge reserve and the currency translation reserve (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsReconciliationOfTheMovementsOfTheCashFlowHedgeReserveAndTheCurrencyTranslationReserveDetails
1665 Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable
1666 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1667 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1668 Hedges of net investment [member] Member ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
1669 Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [line items] LineItems ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems
1670 Currency translation movements, currency translation reseve Concept (Monetary) For Period Credit bcs:CurrencyTranslationMovementsCurrencyTranslationReserve
1671 041513 - Disclosure - Derivative financial instruments (Narrative) (Details) Network

*

*

http://www.home.barclays/role/DerivativeFinancialInstrumentsNarrativeDetails
1672 Disclosure of fair value measurement of assets [table] Table

*

*

ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1673 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1674 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1675 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
1676 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1677 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1678 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1679 Disclosure of fair value measurement of assets [line items] LineItems ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1680 Maximum period hedge exposure to variability in future cash flows Concept (xbrli:durationItemType) For Period bcs:MaximumPeriodHedgeExposureToVariabilityInFutureCashFlows
1681 Description of how entity establishes hedge ratio and what sources of hedge ineffectiveness are Concept (Text/String) For Period ifrs-full:DescriptionOfHowEntityEstablishesHedgeRatioAndWhatSourcesOfHedgeIneffectivenessAre
1682 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1683 Nominal amount of hedging instrument Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
1684 041601 - Disclosure - Financial assets at fair value through other comprehensive income and Financial Investments (Details) Network

*

*

http://www.home.barclays/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAndFinancialInvestmentsDetails
1685 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
1686 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1687 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1688 Available for sale investments [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1689 Held to maturity debt securities [member] Member ifrs-full:HeldtomaturityInvestmentsCategoryMember
1690 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
1691 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1692 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1693 Debt securities and other eligible bills [member] Member ifrs-full:DebtSecuritiesMember
1694 Equity securities [member] Member ifrs-full:EquityInvestmentsMember
1695 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1696 Financial investments Concept (Monetary) As Of Debit bcs:FinancialInvestments
1697 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1698 041701 - Disclosure - Financial liabilities designated at fair value (Details) Network

*

*

http://www.home.barclays/role/FinancialLiabilitiesDesignatedAtFairValueDetails
1699 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
1700 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1701 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1702 Contractual carrying amount due on maturity [member] Member bcs:ContractualCarryingAmountDueOnMaturityMember
1703 Measurement [axis] Axis ifrs-full:MeasurementAxis
1704 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1705 Fair value [member] Member ifrs-full:AtFairValueMember
1706 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1707 Debt securities Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
1708 Deposits Concept (Monetary) As Of Credit bcs:DepositsFromBanksAndCustomers
1709 Repurchase agreements Concept (Monetary) As Of Credit ifrs-full:RepurchaseAgreementsAndCashCollateralOnSecuritiesLent
1710 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherFinancialLiabilities
1711 Financial liabilities designated at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1712 Cumulative own credit net loss recognised Concept (Monetary) As Of Credit ifrs-full:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1713 041800 - Disclosure - Fair value of financial instruments - Assets and liabilities held at fair value (Details) Network

*

*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsAssetsAndLiabilitiesHeldAtFairValueDetails
1714 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1715 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1716 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1717 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1718 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1719 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1720 Measurement [axis] Axis ifrs-full:MeasurementAxis
1721 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1722 At fair value [member] Member ifrs-full:AtFairValueMember
1723 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1724 Assets Abstract ifrs-full:AssetsAbstract
1725 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1726 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1727 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1728 Available for sale investments Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAvailableforsale
1729 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1730 Investment property Concept (Monetary) As Of Debit ifrs-full:InvestmentProperty
1731 Assets included in disposal groups classified as held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
1732 Total assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1733 Liabilities Abstract ifrs-full:LiabilitiesAbstract
1734 Trading portfolio liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1735 Financial liabilities designated at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
1736 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1737 Total liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1738 041801 - Disclosure - Fair value of financial instruments - Assets and liabilities held at fair value by product type (Details) Network

*

*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsAssetsAndLiabilitiesHeldAtFairValueByProductTypeDetails
1739 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1740 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1741 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1742 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
1743 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
1744 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1745 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1746 Risks [member] Member ifrs-full:TypesOfRisksMember
1747 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1748 Foreign exchange derivatives [member] Member ifrs-full:CurrencyRiskMember
1749 Credit derivatives [member] Member ifrs-full:CreditRiskMember
1750 Equity derivatives [member] Member ifrs-full:EquityPriceRiskMember
1751 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
1752 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1753 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1754 Government and government sponsored debt [member] Member ifrs-full:LoansToGovernmentMember
1755 Corporate debt [member] Member ifrs-full:CorporateLoansMember
1756 Certificates of deposit, commercial paper and other money market instruments [member] Member bcs:MoneyMarktetInstrumentsMember
1757 Margin lending [member] Member bcs:MarginLendingMember
1758 Reverse repurchase and repurchase agreements [member] Member bcs:ReverseRepurchaseAndRepurchaseAgreementsMember
1759 Non-asset-backed loans [member] Member bcs:NonassetbackedLoansMember
1760 Equity cash products [member] Member bcs:EquityCashProductsMember
1761 Private equity investments [member] Member bcs:PrivateEquityInvestmentsMember
1762 Other [member] Member bcs:OtherFinancialAssetsAndLiabilitiesGroupOneMember
1763 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1764 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1765 Asset-backed securities [member] Member ifrs-full:AssetbackedFinancingsMember
1766 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1767 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
1768 Assets and liabilities classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1769 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1770 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1771 Issued debt [member] Member bcs:IssuedDebtMember
1772 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1773 Financial assets, at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1774 Financial liabilities, at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1775 041802 - Disclosure - Fair value of financial instruments - Assets and liabilities held at fair value by product type (Narrative) (Details) Network

*

*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsAssetsAndLiabilitiesHeldAtFairValueByProductTypeNarrativeDetails
1776 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1777 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1778 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1779 Equity cash products [member] Member bcs:EquityCashProductsMember
1780 Other [member] Member bcs:OtherFinancialAssetsAndLiabilitiesGroupOneMember
1781 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1782 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1783 Preference shares [member] Member ifrs-full:PreferenceSharesMember
1784 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1785 Increase (decrease) through reclassification of financial instruments Concept (Monetary) For Period Debit bcs:IncreaseDecreaseThroughReclassificationOfFinancialInstruments
1786 041803 - Disclosure - Fair value of financial instruments - Analysis of movements in Level 3 assets and liabilities (Details) Network

*

*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsAnalysisOfMovementsInLevel3AssetsAndLiabilitiesDetails
1787 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1788 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1789 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1790 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
1791 From financial assets at fair value through the income statement under IAS 39 [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1792 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1793 Available for sale investments [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1794 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1795 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1796 Government and government sponsored debt [member] Member ifrs-full:LoansToGovernmentMember
1797 Corporate debt [member] Member ifrs-full:CorporateLoansMember
1798 Non-asset-backed loans [member] Member bcs:NonassetbackedLoansMember
1799 Private equity investments [member] Member bcs:PrivateEquityInvestmentsMember
1800 Certificates of deposit, commercial paper and other money market instruments [member] Member bcs:MoneyMarktetInstrumentsMember
1801 Equity cash products [member] Member bcs:EquityCashProductsMember
1802 Other [member] Member bcs:OtherFinancialAssetsAndLiabilitiesGroupOneMember
1803 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1804 Risks [member] Member ifrs-full:TypesOfRisksMember
1805 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1806 Foreign exchange derivatives [member] Member ifrs-full:CurrencyRiskMember
1807 Credit derivatives [member] Member ifrs-full:CreditRiskMember
1808 Equity derivatives [member] Member ifrs-full:EquityPriceRiskMember
1809 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
1810 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1811 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
1812 Assets and liabilities held for sale [member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1813 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1814 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1815 Asset-backed loans [member] Member ifrs-full:AssetbackedFinancingsMember
1816 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1817 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1818 Trading portfolio liabilities [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember
1819 Financial liabilities designated at fair value [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
1820 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
1821 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
1822 Issued debt [member] Member bcs:IssuedDebtMember
1823 Measurement [axis] Axis ifrs-full:MeasurementAxis
1824 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1825 Recurring fair value measurement [member] Member ifrs-full:RecurringFairValueMeasurementMember
1826 Non-recurring fair value measurement [member] Member ifrs-full:NonrecurringFairValueMeasurementMember
1827 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1828 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1829 Net derivative financial instruments [member] Member ifrs-full:DerivativesMember
1830 Investment property [member] Member ifrs-full:InvestmentPropertyMember
1831 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1832 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1833 Significant unobservable inputs (Level 3) [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1834 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
1835 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
1836 Financial assets at fair value through profit or loss, category trading [member] Member bcs:FinancialAssetsAtFairValueThroughProfitOrLossCategoryTradingIncomeMember
1837 Financial assets at fair value through profit or loss, category other income [member] Member bcs:FinancialAssetsAtFairValueThroughProfitOrLossCategoryOtherIncomeMember
1838 Financial liabilities at fair value through profit or loss, category trading [member] Member bcs:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember
1839 Financial liabilities at fair value through profit or loss, category other income [member] Member bcs:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember
1840 Net assets (liabilities) at fair value through profit or loss, category trading income [Member] Member bcs:NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryTradingIncomeMember
1841 Net assets (liabilities) at fair value through profit or loss, category other income [Member] Member bcs:NetAssetsLiabilitiesAtFairValueThroughProfitOrLossCategoryOtherIncomeMember
1842 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
1843 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
1844 IFRS 9 transition impact included [member] Member bcs:IFRSs9Member
1845 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1846 Assets Abstract ifrs-full:AssetsAbstract
1847 Beginning balance, financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1848 Purchases, fair value measurement, assets Concept (Monetary) For Period Debit ifrs-full:PurchasesFairValueMeasurementAssets
1849 Sales, fair value measurement, assets Concept (Monetary) For Period Credit ifrs-full:SalesFairValueMeasurementAssets
1850 Issues, fair value measurement, assets Concept (Monetary) For Period Debit ifrs-full:IssuesFairValueMeasurementAssets
1851 Settlements, fair value measurement, assets Concept (Monetary) For Period Credit ifrs-full:SettlementsFairValueMeasurementAssets
1852 Total gains and losses in the period recognised in the income statement, assets Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
1853 Total gains or losses recognised in OCI, assets Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets
1854 Transfers into Level 3 of fair value hierarchy, assets Concept (Monetary) For Period Debit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1855 Transfers out of Level 3 of fair value hierarchy, assets Concept (Monetary) For Period Credit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1856 Ending balance, financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1857 Liabilities Abstract ifrs-full:LiabilitiesAbstract
1858 Beginning balance, financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1859 Purchases, fair value measurement, liabilities Concept (Monetary) For Period Credit ifrs-full:PurchasesFairValueMeasurementLiabilities
1860 Sales, fair value measurement, liabilities Concept (Monetary) For Period Debit ifrs-full:SalesFairValueMeasurementLiabilities
1861 Issues, fair value measurement, liabilities Concept (Monetary) For Period Credit ifrs-full:IssuesFairValueMeasurementLiabilities
1862 Settlements, fair value measurement, liabilities Concept (Monetary) For Period Debit ifrs-full:SettlementsFairValueMeasurementLiabilities
1863 Total gains and losses in the period recognised in the income statement, liabilities Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities
1864 Total gains or losses recognised in OCI, liabilities Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities
1865 Transfers into Level 3 of fair value hierarchy, liabilities Concept (Monetary) For Period Credit ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
1866 Transfers out of Level 3 of fair value hierarchy, liabilities Concept (Monetary) For Period Debit ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
1867 Ending balance, financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
1868 Assets (liabilities) Abstract ifrs-full:NetAssetsLiabilitiesAbstract
1869 Beginning balance, Assets (liabilities) net Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1870 Purchases, fair value measurement, assets (liabilities) net Concept (Monetary) For Period Debit bcs:PurchasesFairValueMeasurementAssetsLiabilitiesNet
1871 Sales, fair value measurement, assets (liabilities) net Concept (Monetary) For Period Credit bcs:SalesFairValueMeasurementAssetsLiabilitiesNet
1872 Issues, fair value measurement, assets (liabilities) net Concept (Monetary) For Period Debit bcs:IssuesFairValueMeasurementAssetsLiabilitiesNet
1873 Settlements, fair value measurement, assets (liabilities) net Concept (Monetary) For Period Credit bcs:SettlementsFairValueMeasurementAssetsLiabilitiesNet
1874 Gains (losses) recognised in profit or loss, fair value measurement, assets (liabilities) net Concept (Monetary) For Period bcs:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilitiesNet
1875 Gains (losses) recognised in other comprehensive income, fair value measurement, assets (liabilities) net Concept (Monetary) For Period bcs:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssetsLiabilitiesNet
1876 Transfers into Level 3 of fair value hierarchy, assets (liabilities) net Concept (Monetary) For Period Debit bcs:TransfersIntoLevel3OfFairValueHierarchyAssetsLiabilitiesNet
1877 Transfers out of Level 3 of fair value hierarchy, assets (liabilities) net Concept (Monetary) For Period Credit bcs:TransfersOutOfLevel3OfFairValueHierarchyAssetsLiabilitiesNet
1878 Ending balance, Assets (liabilities) net Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
1879 041804 - Disclosure - Fair value of financial instruments - Analysis of movements in Level 3 assets and liabilities (Narrative) (Details) Network

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*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsAnalysisOfMovementsInLevel3AssetsAndLiabilitiesNarrativeDetails
1880 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1881 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1882 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1883 Significant unobservable inputs (Level 3) [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1884 Measurement [axis] Axis ifrs-full:MeasurementAxis
1885 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1886 Recurring fair value measurement [member] Member ifrs-full:RecurringFairValueMeasurementMember
1887 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1888 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
1889 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1890 041805 - Disclosure - Fair value of financial instruments - Unrealised gains and losses recognised during the period on Level 3 assets and liabilities held at year end (Details) Network

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*

http://www.home.barclays/role/FairValueOfFinancialInstrumentsUnrealisedGainsAndLossesRecognisedDuringThePeriodOnLevel3AssetsAndLiabilitiesHeldAtYearEndDetails
1891 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1892 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1893 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1894 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
1895 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1896 Available for sale investments [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
1897 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1898 Financial investments [member] Member bcs:FinancialInvestmentsMember
1899 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1900 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1901 Trading portfolio liabilities [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember
1902 Financial liabilities designated at fair value [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
1903 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1904 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1905 Significant unobservable inputs (Level 3) [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1906 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1907 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1908 Investment property [member] Member ifrs-full:InvestmentPropertyMember
1909 Net derivative financial instruments [member] Member ifrs-full:DerivativesMember
1910 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
1911 Assets and liabilities not classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember
1912 Assets and liabilities held for sale [member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
1913 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1914 Trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
1915 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
1916 Other comprehensive income/(oss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1917 Total unrealised gains and losses recognised during the period on Level 3 assets and liabilities held at period end Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement
1918 041806 - Disclosure - Fair value of financial instruments - Sensitivity analysis of valuations using unobservable inputs (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsSensitivityAnalysisOfValuationsUsingUnobservableInputsDetails
1919 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
1920 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1921 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1922 Significant unobservable inputs (Level 3) [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1923 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1924 Risks [member] Member ifrs-full:TypesOfRisksMember
1925 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1926 Foreign exchange derivatives [member] Member ifrs-full:CurrencyRiskMember
1927 Credit derivatives [member] Member ifrs-full:CreditRiskMember
1928 Equity derivatives [member] Member ifrs-full:EquityPriceRiskMember
1929 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
1930 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1931 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1932 Corporate debt [member] Member ifrs-full:CorporateLoansMember
1933 Non-asset-backed loans [member] Member bcs:NonassetbackedLoansMember
1934 Equity cash products [member] Member bcs:EquityCashProductsMember
1935 Private equity investments [member] Member bcs:PrivateEquityInvestmentsMember
1936 Other [member] Member bcs:OtherFinancialAssetsAndLiabilitiesGroupOneMember
1937 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1938 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1939 Asset-backed loans [member] Member ifrs-full:AssetbackedFinancingsMember
1940 Range [Axis] Axis ifrs-full:RangeAxis
1941 Ranges [member] Member ifrs-full:RangesMember
1942 Favourable changes [member] Member ifrs-full:TopOfRangeMember
1943 Unfavourable changes [member] Member ifrs-full:BottomOfRangeMember
1944 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1945 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1946 Derivatives [member] Member ifrs-full:DerivativesMember
1947 Measurement [axis] Axis ifrs-full:MeasurementAxis
1948 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
1949 Recurring fair value measurement [member] Member ifrs-full:RecurringFairValueMeasurementMember
1950 Financial statement location [Axis] Axis bcs:FinancialStatementLocationAxis
1951 Financial statement location [Member] Member bcs:FinancialStatementLocationDomain
1952 Income statement [member] Member bcs:IncomeStatementCategoryMember
1953 Equity [member] Member bcs:StatementOfChangesInEquityCategoryMember
1954 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1955 Sensitivity analysis of valuations due to change in one or more unobservable inputs to reflect reasonably possible alternative assumptions Concept (Monetary) As Of bcs:SensitivityAnalysisValuationDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptions
1956 041807 - Disclosure - Fair value of financial instruments - Significant unobservable inputs (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsSignificantUnobservableInputsDetails
1957 Disclosure of detailed information about financial instruments [table] Table

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ifrs-full:DisclosureOfFinancialInstrumentsTable
1958 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1959 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1960 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1961 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1962 Risks [member] Member ifrs-full:TypesOfRisksMember
1963 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
1964 Credit derivatives [member] Member ifrs-full:CreditRiskMember
1965 Equity derivatives [member] Member ifrs-full:EquityPriceRiskMember
1966 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1967 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1968 Non-asset-backed loans [member] Member bcs:NonassetbackedLoansMember
1969 Reverse repurchase and repurchase agreements [member] Member bcs:ReverseRepurchaseAndRepurchaseAgreementsMember
1970 Private equity investments [member] Member bcs:PrivateEquityInvestmentsMember
1971 Other [member] Member bcs:OtherFinancialAssetsAndLiabilitiesGroupOneMember
1972 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1973 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1974 Asset-backed securities [member] Member ifrs-full:AssetbackedFinancingsMember
1975 Range [Axis] Axis ifrs-full:RangeAxis
1976 Ranges [member] Member ifrs-full:RangesMember
1977 Min [member] Member ifrs-full:BottomOfRangeMember
1978 Max [member] Member ifrs-full:TopOfRangeMember
1979 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
1980 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
1981 Discounted cash flow [member] Member ifrs-full:DiscountedCashFlowMember
1982 Comparable pricing [member] Member ifrs-full:MarketComparablePricesMember
1983 Option model [member] Member ifrs-full:OptionPricingModelMember
1984 EBITA [member] Member ifrs-full:MultiperiodExcessEarningsMethodMember
1985 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1986 Inflation forwards, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:InflationForwardsSignificantUnobservableInputs
1987 Credit spread, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:CreditSpreadRateSignificantUnobservableInputsAssetsAndLiabilities
1988 Yield, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:YieldSignificantUnobservableInputsAssetsAndLiabilities
1989 Inflation volitility, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:InflationVolatilitySignificantUnobservableInputsAssetsAndLiabilities
1990 IR IR correlation, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:IRIrCorrelationSignificantUnobservableInputsAssetsLiabilities
1991 IFX IR correlation, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:FXIrCorrelationSignificantUnobservableInputsAssetsLiabilities
1992 Interest rate volatility, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:InterestRateVolatilitySignificantUnobservableInputsAssetsLiabilities
1993 Equity Volatility, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:EquityVolatilitySignificantUnobservableInputsAssetsLiabilities
1994 Adjustment to mid market consensus price, significant unobservable inputs, assets and liabilities Concept (Pure) For Period bcs:AdjustmentToMidmarketConsensusPriceSignificantUnobservableInputsAssetsLiabilities
1995 Equity correlation, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:EquityCorrelationSignificantUnobservableInputsAssetsLiabilities
1996 Loan spread, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:LoanSpreadSignificantUnobservableInputsAssetsLiabilities
1997 Funding spread, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:FundingSpreadSignificantUnobservableInputsAssetsAndLiabilities
1998 Discounted margin, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:DiscountedMarginSignificantUnobservableInputsAssetsLiabilities
1999 Revenue multiple, significant unobservable inputs, assets and liabilities Concept (Pure) For Period bcs:RevenueMultipleSignificantUnobservableInputsAssetsLiabilities
2000 Earnings before interest, taxes, depreciation and amortisation, significant unobservable inputs, assets and liabilities Concept (Monetary) For Period bcs:EarningsBeforeInterestTaxesDepreciationAndAmortisationSignificantUnobservableInputsAssetsAndLiabilities
2001 041808 - Disclosure - Fair value of financial instruments - Significant unobservable inputs (Narrative) (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsSignificantUnobservableInputsNarrativeDetails
2002 Disclosure of detailed information about financial instruments [table] Table

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ifrs-full:DisclosureOfFinancialInstrumentsTable
2003 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
2004 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
2005 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
2006 Range [Axis] Axis ifrs-full:RangeAxis
2007 Ranges [member] Member ifrs-full:RangesMember
2008 Max [member] Member ifrs-full:TopOfRangeMember
2009 Min [member] Member ifrs-full:BottomOfRangeMember
2010 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
2011 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
2012 Derivative credit valuation adjustments [member] Member bcs:DerivativeCreditValuationAdjustmentsMember
2013 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2014 Credit spread, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:CreditSpreadRateSignificantUnobservableInputsAssetsAndLiabilities
2015 041809 - Disclosure - Fair value of financial instruments - Fair value adjustments (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsFairValueAdjustmentsDetails
2016 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
2017 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
2018 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
2019 Exit price adjustments derived from market bid-offer spreads [member] Member bcs:ExitPriceAdjustmentsDerivedFromMarketBidofferSpreadsMember
2020 Uncollateralised derivative funding [member] Member bcs:UncollateralisedDerivativeFundingMember
2021 Derivative credit valuation adjustments [member] Member bcs:DerivativeCreditValuationAdjustmentsMember
2022 Derivative debit valuation adjustments [member] Member bcs:DerivativeDebitValuationAdjustmentsMember
2023 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2024 Fair value adjustments Concept (Monetary) As Of Credit bcs:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities
2025 041810 - Disclosure - Fair value of financial instruments - Comparison of carrying amounts and fair values for assets and liabilities not held at fair value (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsComparisonOfCarryingAmountsAndFairValuesForAssetsAndLiabilitiesNotHeldAtFairValueDetails
2026 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
2027 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2028 Carrying amount [member] Member ifrs-full:CarryingAmountMember
2029 Carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
2030 Measurement [axis] Axis ifrs-full:MeasurementAxis
2031 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2032 Not held at fair value [member] Member ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember
2033 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
2034 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
2035 Level 1 of fair value hierarchy [member] Member ifrs-full:Level1OfFairValueHierarchyMember
2036 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
2037 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
2038 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2039 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2040 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
2041 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2042 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2043 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
2044 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2045 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2046 Home loans [member] Member ifrs-full:MortgagesMember
2047 Credit cards, unsecured and other retail lending [member] Member bcs:CreditCardsUnsecuredAndOtherRetailLendingMember
2048 Finance lease receivables [Member] Member bcs:FinanceLeaseReceivablesMember
2049 Corporate loans [member] Member ifrs-full:CorporateLoansMember
2050 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2051 Financial assets [abstract] Abstract ifrs-full:CategoriesOfFinancialAssetsAbstract
2052 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
2053 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
2054 Assets included in disposal groups classified as held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
2055 Financial liabilities [abstract] Abstract ifrs-full:CategoriesOfFinancialLiabilitiesAbstract
2056 Banks Concept (Monetary) As Of Credit ifrs-full:DepositsFromBanks
2057 Current and demand accounts Concept (Monetary) As Of Credit bcs:BalancesCurrentAndOnDemandDepositsFromCustomers
2058 Savings accounts Concept (Monetary) As Of Credit bcs:BalancesCurrentAndSavingsAccountsFromCustomers
2059 Other time deposits Concept (Monetary) As Of Credit ifrs-full:BalancesOnOtherDepositsFromCustomers
2060 Repurchase agreements and other similar secured borrowing Concept (Monetary) As Of Credit ifrs-full:RepurchaseAgreementsAndCashCollateralOnSecuritiesLent
2061 Debt securities in issue Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
2062 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
2063 041811 - Disclosure - Fair value of financial instruments (Narrative) (Details) Network

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http://www.home.barclays/role/FairValueOfFinancialInstrumentsNarrativeDetails
2064 Disclosure of detailed information about financial instruments [table] Table

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*

ifrs-full:DisclosureOfFinancialInstrumentsTable
2065 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2066 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2067 Goverment bonds [member] Member ifrs-full:LoansToGovernmentMember
2068 Education, Social Housing, and Local Authority Porfolio [member] Member bcs:EducationSocialHousingAndLocalAuthorityPorfolioMember
2069 Financial instruments at fair value, category [member] Member bcs:FinancialInstrumentsAtFairValueCategoryMember
2070 Financial instruments at amortised cost, category [member] Member bcs:FinancialInstrumentsAtAmortisedCostCategoryMember
2071 Range [Axis] Axis ifrs-full:RangeAxis
2072 Ranges [member] Member ifrs-full:RangesMember
2073 Min [member] Member ifrs-full:BottomOfRangeMember
2074 Max [member] Member ifrs-full:TopOfRangeMember
2075 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
2076 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
2077 Exit price adjustments derived from market bid-offer spreads [member] Member bcs:ExitPriceAdjustmentsDerivedFromMarketBidofferSpreadsMember
2078 Uncollateralised derivative funding [member] Member bcs:UncollateralisedDerivativeFundingMember
2079 Derivative credit valuation adjustments [member] Member bcs:DerivativeCreditValuationAdjustmentsMember
2080 Derivative debit valuation adjustments [member] Member bcs:DerivativeDebitValuationAdjustmentsMember
2081 Majority of loan spreads [Member] Member bcs:MajorityOfLoanSpreadsMember
2082 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
2083 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
2084 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
2085 Measurement [axis] Axis ifrs-full:MeasurementAxis
2086 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2087 Recurring fair value measurement [member] Member ifrs-full:RecurringFairValueMeasurementMember
2088 Scaling factor [member] Member bcs:ScalingFactorMember
2089 Recovery assumptions in CDS levels [member] Member bcs:RecoveryAssumptionsInCdsLevelsMember
2090 Liabilities measured at fair value and issued with inseparable third-party credit enhancement [axis] Axis ifrs-full:LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementAxis
2091 Liabilities measured at fair value and issued with inseparable third-party credit enhancement [member] Member ifrs-full:LiabilitiesMeasuredAtFairValueAndIssuedWithInseparableThirdpartyCreditEnhancementMember
2092 Brokered certificates of deposit [member] Member bcs:BrokeredCertificatesOfDepositMember
2093 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2094 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2095 Home loans [member] Member ifrs-full:MortgagesMember
2096 Corporate loans [member] Member ifrs-full:CorporateLoansMember
2097 Derivatives [member] Member ifrs-full:DerivativesMember
2098 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2099 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2100 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
2101 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2102 Risks [member] Member ifrs-full:TypesOfRisksMember
2103 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
2104 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2105 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2106 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
2107 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2108 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2109 Derivatives [member] Member ifrs-full:DerivativesMember
2110 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2111 Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets
2112 Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period Concept (Monetary) For Period ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
2113 Fair value of assets representing continuing involvement in derecognised financial assets Concept (Monetary) As Of Debit ifrs-full:FairValueOfAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets
2114 Increase in fair value measurement due to change in one or more unobservable inputs to reflect reasonably possible alternative assumptions, assets (liabilities) Concept (Monetary) For Period bcs:IncreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities
2115 Decrease in fair value measurement due to change in one or more unobservable inputs to reflect reasonably possible alternative assumptions, assets (liabilities) Concept (Monetary) For Period bcs:DecreaseInFairValueMeasurementDueToChangeInOneOrMoreUnobservableInputsToReflectReasonablyPossibleAlternativeAssumptionsAssetsLiabilities
2116 Loan spread, significant unobservable inputs, assets and liabilities Concept (Percent) For Period bcs:LoanSpreadSignificantUnobservableInputsAssetsLiabilities
2117 Percentage of fixed rate loan notional amount concentrated towards bottom of range Concept (Percent) For Period bcs:PercentageOfFixedRateLoanNotionalAmountConcentratedTowardsBottomOfRange
2118 Increase (decrease) in fair value adjustments of derivatives Concept (Monetary) For Period bcs:IncreaseDecreaseInDerivativeFairValueAdjustments
2119 Fair value adjustments Concept (Monetary) As Of Credit bcs:AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssetsLiabilities
2120 Potential increase (decrease) in fair value adjustments of derivatives Concept (Monetary) For Period bcs:PotentialIncreaseDecreaseInDerivativeFairValueAdjustments
2121 Aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss Concept (Monetary) As Of ifrs-full:AggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised
2122 Additions, aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss Concept (Monetary) For Period ifrs-full:IncreaseDecreaseThroughNewTransactionsAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised
2123 Amortisation and releases, aggregate difference between fair value at initial recognition and transaction price yet to be recognised in profit or loss Concept (Monetary) For Period ifrs-full:IncreaseDecreaseThroughAmountsRecognisedInProfitOrLossAggregateDifferenceBetweenFairValueAtInitialRecognitionAndAmountDeterminedUsingValuationTechniqueYetToBeRecognised
2124 Description of existence of third-party credit enhancement Concept (Text/String) For Period ifrs-full:DescriptionOfExistenceOfThirdpartyCreditEnhancement
2125 Description of whether third-party credit enhancement is reflected in fair value measurement Concept (Text/String) For Period ifrs-full:DescriptionOfWhetherThirdpartyCreditEnhancementIsReflectedInFairValueMeasurement
2126 Deposits at amortised cost Concept (Monetary) As Of Credit bcs:DepositsAtAmortisedCost
2127 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
2128 041901 - Disclosure - Offsetting financial assets and financial liabilities (Details) Network

*

*

http://www.home.barclays/role/OffsettingFinancialAssetsAndFinancialLiabilitiesDetails
2129 Disclosure of offsetting of financial assets [table] Table

*

*

ifrs-full:DisclosureOfOffsettingOfFinancialAssetsTable
2130 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
2131 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
2132 Derivatives [member] Member ifrs-full:DerivativesMember
2133 Reverse repurchase agreements and other similar secured lending [Member] Member bcs:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember
2134 Disclosure of offsetting of financial assets [line items] LineItems ifrs-full:DisclosureOfOffsettingOfFinancialAssetsLineItems
2135 Gross amounts Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2136 Amounts offset Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2137 Net amounts reported on the balance sheet Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
2138 Financial instruments Concept (Monetary) As Of Credit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
2139 Financial collateral Concept (Monetary) As Of Debit bcs:FinancialCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
2140 Net amount Concept (Monetary) As Of Credit ifrs-full:AmountsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
2141 Amounts not subject to enforceable netting arrangements Concept (Monetary) As Of Debit bcs:FinancialAssetsNotSubjectToEnforceableMasterNettingArrangementOrSimilarAgreement
2142 Balance sheet total Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2143 041901 - Disclosure - Offsetting financial assets and financial liabilities (Details) Network

*

*

http://www.home.barclays/role/OffsettingFinancialAssetsAndFinancialLiabilitiesDetails
2144 Disclosure of offsetting of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesTable
2145 Types of financial liabilities [axis] Axis ifrs-full:TypesOfFinancialLiabilitiesAxis
2146 Financial liabilities, type [member] Member ifrs-full:FinancialLiabilitiesTypeMember
2147 Derivatives [member] Member ifrs-full:DerivativesMember
2148 Repurchase agreements and other similar secured borrowing [member] Member bcs:RepurchaseAgreementsAndOtherSimilarSecuredBorrowingMember
2149 Disclosure of offsetting of financial liabilities [line items] LineItems ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesLineItems
2150 Gross amounts Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2151 Amounts offset Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2152 Net amounts reported on the balance sheet Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition
2153 Financial instruments Concept (Monetary) As Of Debit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
2154 Financial collateral Concept (Monetary) As Of Debit bcs:FinancialCollateralPledgedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
2155 Net amount Concept (Monetary) As Of Debit ifrs-full:AmountsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
2156 Amounts not subject to enforceable netting arrangements Concept (Monetary) As Of Credit bcs:FinancialLiabilitiesNotSubjectToEnforceableMasterNettingArrangementOrSimilarAgreement
2157 Balance sheet total Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2158 041902 - Disclosure - Offsetting financial assets and financial liabilities (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OffsettingFinancialAssetsAndFinancialLiabilitiesNarrativeDetails
2159 Disclosure of offsetting of financial assets [table] Table

*

*

ifrs-full:DisclosureOfOffsettingOfFinancialAssetsTable
2160 Types of financial assets [axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
2161 Financial assets, type [member] Member ifrs-full:FinancialAssetsTypeMember
2162 Derivatives [member] Member ifrs-full:DerivativesMember
2163 Reverse repurchase agreements and other similar secured lending [Member] Member bcs:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember
2164 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2165 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2166 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
2167 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
2168 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2169 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2170 Cash collateral netted [Member] Member bcs:CashCollateralNettedMember
2171 Disclosure of offsetting of financial assets [line items] LineItems ifrs-full:DisclosureOfOffsettingOfFinancialAssetsLineItems
2172 Financial collateral Concept (Monetary) As Of Debit bcs:FinancialCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
2173 Cash collateral Concept (Monetary) As Of Credit ifrs-full:CashCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
2174 Non-cash collateral Concept (Monetary) As Of Credit bcs:NoncashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets
2175 Amounts offset Concept (Monetary) As Of Credit ifrs-full:GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2176 Maximum Exposure Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2177 041902 - Disclosure - Offsetting financial assets and financial liabilities (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OffsettingFinancialAssetsAndFinancialLiabilitiesNarrativeDetails
2178 Disclosure of offsetting of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesTable
2179 Types of financial liabilities [axis] Axis ifrs-full:TypesOfFinancialLiabilitiesAxis
2180 Financial liabilities, type [member] Member ifrs-full:FinancialLiabilitiesTypeMember
2181 Derivatives [member] Member ifrs-full:DerivativesMember
2182 Repurchase agreements and other similar secured borrowing [member] Member bcs:RepurchaseAgreementsAndOtherSimilarSecuredBorrowingMember
2183 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
2184 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
2185 Financial liabilities at fair value, class [member] Member ifrs-full:FinancialLiabilitiesAtFairValueMember
2186 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
2187 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2188 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2189 Cash collateral netted [Member] Member bcs:CashCollateralNettedMember
2190 Disclosure of offsetting of financial liabilities [line items] LineItems ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesLineItems
2191 Financial collateral Concept (Monetary) As Of Debit bcs:FinancialCollateralPledgedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
2192 Cash collateral pledged Concept (Monetary) As Of Debit ifrs-full:CashCollateralPledgedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities
2193 Non-cash assets pledged as collateral Concept (Monetary) As Of Debit ifrs-full:NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral
2194 Amounts offset Concept (Monetary) As Of Debit ifrs-full:GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2195 Settlements assets liabilities offset amounts Concept (Monetary) As Of Credit bcs:SettlementsAssetsLiabilitiesOffsetAmounts
2196 Derivative liability expsoure Concept (Monetary) As Of Credit ifrs-full:NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
2197 042001 - Disclosure - Loans and advances and deposits at amortised cost (Details) Network

*

*

http://www.home.barclays/role/LoansAndAdvancesAndDepositsAtAmortisedCostDetails
2198 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
2199 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
2200 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
2201 Loans and advances at amortised cost excluding debt securities at amortised cost [Member] Member bcs:LoansAndAdvancesAtAmortisedCostExcludingDebtSecuritiesAtAmortisedCostMember
2202 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
2203 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
2204 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
2205 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
2206 Deposits at amortised cost [member] Member bcs:DepositsAtAmortisedCostMember
2207 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
2208 Counterparties [member] Member ifrs-full:CounterpartiesMember
2209 Banks [member] Member bcs:BanksMember
2210 Customers [member] Member ifrs-full:MarketsOfCustomersMember
2211 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2212 Gross amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2213 Less: allowance for impairment Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2214 Financial assets at amortised cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
2215 Deposits at amortised cost Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
2216 042101 - Disclosure - Finance leases - Finance lease receivables (Details) Network

*

*

http://www.home.barclays/role/FinanceLeasesFinanceLeaseReceivablesDetails
2217 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
2218 Maturity [axis] Axis ifrs-full:MaturityAxis
2219 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2220 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
2221 Over one year but not more than five years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2222 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
2223 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
2224 Gross investment in finance lease receivables Concept (Monetary) As Of Debit ifrs-full:GrossInvestmentInFinanceLease
2225 Future finance income Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
2226 Present value of minimum lease payments receivable Concept (Monetary) As Of Debit ifrs-full:MinimumFinanceLeasePaymentsReceivableAtPresentValue
2227 Un-guaranteed residual values Concept (Monetary) As Of Debit ifrs-full:DiscountedUnguaranteedResidualValueOfAssetsSubjectToFinanceLease
2228 042102 - Disclosure - Finance leases - Finance lease receivables (Narrative) (Details) Network

*

*

http://www.home.barclays/role/FinanceLeasesFinanceLeaseReceivablesNarrativeDetails
2229 Implied Table Table

*

*

implied:Table
2230 Finance leases Abstract bcs:DisclosureOfFinanceLeasesAbstract
2231 Accumulated allowance for uncollectible minimum lease payments receivable Concept (Monetary) As Of Credit ifrs-full:AccumulatedAllowanceForUncollectibleMinimumLeasePaymentsReceivable
2232 Minimum finance lease payments payable Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayable
2233 Recognised finance lease as assets Concept (Monetary) As Of Debit ifrs-full:RecognisedFinanceLeaseAsAssets
2234 042301 - Disclosure - Property, plant and equipment (Narrative) (Details) Network

*

*

http://www.home.barclays/role/PropertyPlantAndEquipmentNarrativeDetails
2235 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
2236 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
2237 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
2238 Freehold land [member] Member ifrs-full:LandMember
2239 Freehold buildings and long-leasehold property (more than 50 years to run) [member] Member ifrs-full:BuildingsMember
2240 Leasehold property over the remaining life of the lease (less than 50 years to run) [member] Member ifrs-full:PropertyPlantAndEquipmentUnderOperatingLeasesMember
2241 Costs of adaptation of freehold and leasehold property [member] Member ifrs-full:LeaseholdImprovementsMember
2242 Equipment installed in freehold and leasehold property [member] Member ifrs-full:CommunicationAndNetworkEquipmentMember
2243 Computers and similar equipment [member] Member ifrs-full:ComputerEquipmentMember
2244 Fixtures and fittings and other equipment [member] Member ifrs-full:FixturesAndFittingsMember
2245 Range [Axis] Axis ifrs-full:RangeAxis
2246 Ranges [member] Member ifrs-full:RangesMember
2247 Min [member] Member ifrs-full:BottomOfRangeMember
2248 Max [member] Member ifrs-full:TopOfRangeMember
2249 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
2250 Property, plant and equipment by operating lease status [member] Member ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusMember
2251 More than 50 years to run [member] Member bcs:MoreThanFiftyYearsToRunMember
2252 Less than 50 years to run [member] Member bcs:LessThanFiftyYearsToRunMember
2253 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2254 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2255 Property rentals [member] Member ifrs-full:InvestmentPropertyMember
2256 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
2257 Annual rates in calculating depreciation Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
2258 Depreciation rates, property, plant and equipment Concept (Percent) For Period bcs:DepreciationRatesPropertyPlantAndEquipment
2259 Net investment income Concept (Monetary) For Period Credit bcs:InvestmentIncomeExpense
2260 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
2261 042302 - Disclosure - Property, plant and equipment - Investment property (Details) Network

*

*

http://www.home.barclays/role/PropertyPlantAndEquipmentInvestmentPropertyDetails
2262 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
2263 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
2264 Assets [member] Member ifrs-full:ClassesOfAssetsMember
2265 Investment property [member] Member ifrs-full:InvestmentPropertyMember
2266 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
2267 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
2268 Property [member] Member ifrs-full:LandAndBuildingsMember
2269 Equipment [member] Member ifrs-full:CommunicationAndNetworkEquipmentMember
2270 Leased assets [member] Member ifrs-full:PropertyPlantAndEquipmentUnderOperatingLeasesMember
2271 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2272 Carrying amount [member] Member ifrs-full:CarryingAmountMember
2273 Cost [member] Member ifrs-full:GrossCarryingAmountMember
2274 Accumulated depreciation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
2275 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
2276 Beginning balance, Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2277 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
2278 Depreciation charge Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
2279 Impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
2280 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
2281 Change in fair value of investment properties Concept (Monetary) For Period Debit ifrs-full:RevaluationIncreaseDecreasePropertyPlantAndEquipment
2282 Exchange and other movements Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
2283 Ending balance, Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2284 042401 - Disclosure - Goodwill and intangible assets (Narrative) (Details) Network

*

*

http://www.home.barclays/role/GoodwillAndIntangibleAssetsNarrativeDetails
2285 Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [table] Table

*

*

ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable
2286 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
2287 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
2288 Individual assets or cash-generating units [member] Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsMember
2289 Woolwich Personal Banking and Business Banking [member] Member bcs:WoolwichPersonalBankingAndBusinessBankingMember
2290 Woolwich Personal banking [member] Member bcs:WoolwichPersonalBankingMember
2291 Woolwich Business banking [member] Member bcs:WoolwichBusinessBankingMember
2292 Segments [axis] Axis ifrs-full:SegmentsAxis
2293 Segments [member] Member ifrs-full:SegmentsMember
2294 Barclays UK [member] Member bcs:BarclaysUkMember
2295 Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items] LineItems ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitLineItems
2296 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2297 Explanation of period over which management has projected cash flows Concept (Text/String) For Period ifrs-full:ExplanationOfPeriodOverWhichManagementHasProjectedCashFlows
2298 Terminal growth rate Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
2299 Amount by which unit's recoverable amount exceeds its carrying amount Concept (Monetary) As Of Debit ifrs-full:AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount
2300 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
2301 Description of key assumptions on which management has based cash flow projections Concept (Text/String) For Period ifrs-full:DescriptionOfKeyAssumptionsOnWhichManagementHasBasedCashFlowProjections
2302 Increase in recoverable amount of asset or cash-generating unit, discount rate or terminal rate Concept (Monetary) For Period Debit bcs:IncreaseInRecoverableAmountOfAssetOrCashgeneratingUnitDiscountOrTerminalRate
2303 Decrease in recoverable amount of asset or cash-generating unit, discount rate or terminal rate Concept (Monetary) For Period Credit bcs:DecreaseInRecoverableAmountOfAssetOrCashgeneratingUnitDiscountOrTerminalRate
2304 Decrease in recoverable amount of asset or cash-generating unit, reduction in forecast cash flows Concept (Monetary) For Period Credit bcs:DecreaseInRecoverableAmountOfAssetOrCashgeneratingUnitReductionInForecastCashFlows
2305 042401 - Disclosure - Goodwill and intangible assets (Narrative) (Details) Network

*

*

http://www.home.barclays/role/GoodwillAndIntangibleAssetsNarrativeDetails
2306 Disclosure of reconciliation of changes in intangible assets and goodwill [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
2307 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
2308 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
2309 Internally generated software [member] Member bcs:InternallyGeneratedSoftwareMember
2310 Core banking platforms [Member] Member bcs:CoreBankingPlatformsMember
2311 Other software [member] Member ifrs-full:OtherIntangibleAssetsMember
2312 Customer lists [member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
2313 Licences and other [member] Member bcs:LicencesAndOtherMember
2314 Range [Axis] Axis ifrs-full:RangeAxis
2315 Ranges [member] Member ifrs-full:RangesMember
2316 Min [member] Member ifrs-full:BottomOfRangeMember
2317 Max [member] Member ifrs-full:TopOfRangeMember
2318 Disclosure of reconciliation of changes in intangible assets and goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
2319 Annual rates in calculating amortisation Concept (xbrli:durationItemType) For Period bcs:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillDuration
2320 Goodwill impairment Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
2321 042402 - Disclosure - Goodwill and intangible assets (Details) Network

*

*

http://www.home.barclays/role/GoodwillAndIntangibleAssetsDetails
2322 Disclosure of reconciliation of changes in intangible assets and goodwill [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
2323 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
2324 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
2325 Goodwill [member] Member ifrs-full:GoodwillMember
2326 Internally generated software [member] Member bcs:InternallyGeneratedSoftwareMember
2327 Other software [member] Member ifrs-full:OtherIntangibleAssetsMember
2328 Customer lists [member] Member ifrs-full:CustomerrelatedIntangibleAssetsMember
2329 Licences and other [member] Member bcs:LicencesAndOtherMember
2330 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2331 Carrying amount [member] Member ifrs-full:CarryingAmountMember
2332 Cost [member] Member ifrs-full:GrossCarryingAmountMember
2333 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
2334 Disclosure of reconciliation of changes in intangible assets and goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
2335 Intangible assets and goodwill Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
2336 Additions and disposals Concept (Monetary) For Period Debit bcs:AdditionsAndDisposalsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
2337 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsAndGoodwill
2338 Amortisation charge Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
2339 Impairment charge Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
2340 Exchange and other movements Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill
2341 Intangible assets and goodwill Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
2342 042403 - Disclosure - Goodwill and intangible assets - Goodwill (Details) Network

*

*

http://www.home.barclays/role/GoodwillAndIntangibleAssetsGoodwillDetails
2343 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
2344 Segments [axis] Axis ifrs-full:SegmentsAxis
2345 Segments [member] Member ifrs-full:SegmentsMember
2346 Barclays UK [member] Member bcs:BarclaysUkMember
2347 Barclays International [member] Member bcs:BarclaysInternationalMember
2348 Disclosure of reconciliation of changes in intangible assets and goodwill [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
2349 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
2350 042501 - Disclosure - Operating leases (Details) Network

*

*

http://www.home.barclays/role/OperatingLeasesDetails
2351 Disclosure of finance lease and operating lease by lessee [table] Table

*

*

ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
2352 Maturity [axis] Axis ifrs-full:MaturityAxis
2353 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2354 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
2355 Over one year but not more than five years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2356 Over five years [member] Member ifrs-full:LaterThanFiveYearsMember
2357 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
2358 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
2359 Property [member] Member ifrs-full:BuildingsMember
2360 Equipment [member] Member ifrs-full:CommunicationAndNetworkEquipmentMember
2361 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
2362 Total Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
2363 042502 - Disclosure - Operating leases (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OperatingLeasesNarrativeDetails
2364 Implied Table Table

*

*

implied:Table
2365 Disclosure of operating leases [abstract] Abstract bcs:DisclosureOfOperatingLeasesAbstract
2366 Minimum operating lease payments recognised as expense Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
2367 Expected future minimum sublease payments receivable under non-cancellable subleases, classified as operating lease Concept (Monetary) As Of Debit ifrs-full:ExpectedFutureMinimumSubleasePaymentsReceivableUnderNoncancellableSubleasesClassifiedAsOperatingLease
2368 042601 - Disclosure - Other liabilities (Details) Network

*

*

http://www.home.barclays/role/OtherLiabilitiesDetails
2369 Implied Table Table

*

*

implied:Table
2370 Other liabilities [abstract] Abstract ifrs-full:AccrualsAndDeferredIncomeAbstract
2371 Accruals and deferred income Concept (Monetary) As Of Credit ifrs-full:AccrualsAndDeferredIncome
2372 Other ceditors Concept (Monetary) As Of Credit ifrs-full:OtherPayables
2373 Items in the course of collection due to other banks Concept (Monetary) As Of Credit ifrs-full:ItemsInCourseOfTransmissionToOtherBanks
2374 Obligations under finance leases (refer Note 21) Concept (Monetary) As Of Credit ifrs-full:GrossFinanceLeaseObligations
2375 Insurance contract liabilities, including unit-linked liabilities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromInsuranceContracts
2376 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
2377 042701 - Disclosure - Provisions (Details) Network

*

*

http://www.home.barclays/role/ProvisionsDetails
2378 Disclosure of other provisions [table] Table

*

*

ifrs-full:DisclosureOfOtherProvisionsTable
2379 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2380 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2381 Onerous contracts [member] Member ifrs-full:OnerousContractsProvisionMember
2382 Redundancy and restructuring [member] Member ifrs-full:RestructuringProvisionMember
2383 Undrawn contractually committed facilities and guarantees [member] Member bcs:UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember
2384 Customer redress [Member] Member bcs:CustomerRedressMember
2385 Payment protection insurance redress [member] Member bcs:PaymentProtectionInsuranceRedressMember
2386 Other customer redress [Member] Member bcs:OtherCustomerRedressMember
2387 Legal, competition and regulatory matters [member] Member ifrs-full:LegalProceedingsProvisionMember
2388 Sundry provisions [member] Member ifrs-full:MiscellaneousOtherProvisionsMember
2389 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
2390 Currently stated [member] Member ifrs-full:RestatedMember
2391 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
2392 IFRSs 9 [member] Member bcs:IFRSs9Member
2393 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
2394 Provisions, Beginning balance Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2395 Additions Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
2396 Amounts utilised Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2397 Unused amounts reversed Concept (Monetary) For Period Debit ifrs-full:UnusedProvisionReversedOtherProvisions
2398 Exchange and other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
2399 Provisions, Ending balance Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2400 042702 - Disclosure - Provisions - Actual data, key forecast assumptions, and a sensitivity analysis (Details) Network

*

*

http://www.home.barclays/role/ProvisionsActualDataKeyForecastAssumptionsAndASensitivityAnalysisDetails
2401 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
2402 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
2403 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
2404 Forecast expected member [Member] Member bcs:ForecastExpectedMember
2405 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
2406 Customer initiated claims received and processed Concept (Integer) As Of bcs:CustomerInitiatedClaimsReceivedAndProcessed
2407 Average uphold rate per claim Concept (Percent) As Of bcs:AverageUpholdRatePerClaim
2408 Average redress per valid claim Concept (Decimal) As Of bcs:AverageRedressPerValidClaim
2409 Customer initiated claims received and processed sensitivity analysis Concept (Text/String) For Period bcs:CustomerInitiatedClaimsReceivedAndProcessedSensitivityAnalysis
2410 Average uphold rate per claim sensitivity analysis Concept (Text/String) For Period bcs:AverageUpholdRatePerClaimSensitivityAnalysis
2411 Average redress per valid claim sensitivity analysis Concept (Text/String) For Period bcs:AverageRedressPerValidClaimSensitivityAnalysis
2412 042703 - Disclosure - Provisions - Actual data, key forecast assumptions, and a sensitivity analysis (Narrative) (Details) Network

*

*

http://www.home.barclays/role/ProvisionsActualDataKeyForecastAssumptionsAndASensitivityAnalysisNarrativeDetails
2413 Disclosure of other provisions [table] Table

*

*

ifrs-full:DisclosureOfOtherProvisionsTable
2414 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
2415 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
2416 Customer initiated claims [Member] Member bcs:CustomerInitiatedClaimsMember
2417 Average uphold rate per customer initiated claims [Member] Member bcs:AverageUpholdRatePerCustomerInitiatedClaimsMember
2418 Average redress per valid claim [Member] Member bcs:AverageRedressPerValidClaimMember
2419 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
2420 Description of methods and assumptions used in preparing sensitivity analysis for actuarial assumptions Concept (Text/String) For Period ifrs-full:DescriptionOfMethodsAndAssumptionsUsedInPreparingSensitivityAnalysisForActuarialAssumptions
2421 042704 - Disclosure - Provisions (Narrative) (Details) Network

*

*

http://www.home.barclays/role/ProvisionsNarrativeDetails
2422 Disclosure of other provisions [table] Table

*

*

ifrs-full:DisclosureOfOtherProvisionsTable
2423 Maturity [axis] Axis ifrs-full:MaturityAxis
2424 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2425 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
2426 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2427 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2428 Payment protection insurance redress [member] Member bcs:PaymentProtectionInsuranceRedressMember
2429 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
2430 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
2431 Cumulative provisions [Member] Member bcs:CumulativeProvisionsMember
2432 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
2433 Expected reimbursement, other provisions Concept (Monetary) As Of Debit ifrs-full:ExpectedReimbursementOtherProvisions
2434 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2435 Additions Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
2436 Amounts utilised Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2437 Customer initiated claims received and processed Concept (Integer) As Of bcs:CustomerInitiatedClaimsReceivedAndProcessed
2438 042801 - Disclosure - Contingent liabilities and commitments (Details) Network

*

*

http://www.home.barclays/role/ContingentLiabilitiesAndCommitmentsDetails
2439 Disclosure of contingent liabilities [table] Table

*

*

ifrs-full:DisclosureOfContingentLiabilitiesTable
2440 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
2441 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
2442 Guarantees and letters of credit pledged as collateral security [member] Member bcs:GuaranteesAndLettersOfCreditPledgedAsCollateralSecurityMember
2443 Performance guarantees, acceptances and endorsements [member] Member bcs:PerformanceGuaranteesAcceptancesAndEndorsementsMember
2444 Documentary credits and other short-term trade related transactions [Member] Member bcs:DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember
2445 Standby facilities, credit lines and other commitments [member] Member bcs:StandbyFacilitiesCreditLinesAndOtherCommitmentsMember
2446 Measurement [axis] Axis ifrs-full:MeasurementAxis
2447 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2448 of which: Carried at fair value [member] Member ifrs-full:AtFairValueMember
2449 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2450 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2451 Provision on loan commitment and financial guarantees [member] Member ifrs-full:ProvisionForCreditCommitmentsMember
2452 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2453 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2454 Financial guarantee contracts [member] Member ifrs-full:FinancialGuaranteeContractsMember
2455 Loan commitments [member] Member ifrs-full:LoanCommitmentsMember
2456 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2457 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2458 Provisions Concept (Monetary) As Of Credit ifrs-full:Provisions
2459 Total contingent liabilities net of provisions Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
2460 042802 - Disclosure - Contingent liabilities and commitments (Narrative) (Details) Network

*

*

http://www.home.barclays/role/ContingentLiabilitiesAndCommitmentsNarrativeDetails
2461 Disclosure of contingent liabilities [table] Table

*

*

ifrs-full:DisclosureOfContingentLiabilitiesTable
2462 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
2463 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
2464 Financial Services Compensation Scheme [member] Member bcs:FinancialServicesCompensationSchemeMember
2465 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2466 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2467 HM Treasury loan facility [member] Member bcs:HmTreasuryLoanFacilityMember
2468 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2469 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2470 Derivatives [member] Member ifrs-full:DerivativesMember
2471 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2472 Repayment of loan facility Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBondsNotesAndDebentures
2473 042901 - Disclosure - Legal, competition and regulatory matters (Narrative) (Details) Network

*

*

http://www.home.barclays/role/LegalCompetitionAndRegulatoryMattersNarrativeDetails
2474 Disclosure of contingent liabilities [table] Table

*

*

ifrs-full:DisclosureOfContingentLiabilitiesTable
2475 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
2476 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
2477 Legal proceedings contingent liability [member] Member ifrs-full:LegalProceedingsContingentLiabilityMember
2478 Investigations into certain agreements and civil action [Member] Member bcs:InvestigationsIntoCertainAgreementsAndCivilActionMember
2479 SFO Proceedings [member] Member bcs:UkSeriousFraudOfficeProceedingsMember
2480 FCA Proceedings and other investigations [Member] Member bcs:FcaProceedingsAndOtherInvestigationsMember
2481 Civil action [Member] Member bcs:CivilActionMember
2482 Investigations into LIBOR and other benchmarks [Member] Member bcs:InvestigationsIntoLiborAndOtherBenchmarksMember
2483 LIBOR and other benchmark civil actions [Member] Member bcs:LiborAndOtherBenchmarkCivilActionsMember
2484 USD LIBOR Cases in MDL Court [Member] Member bcs:UsdLiborCasesInMdlCourtMember
2485 EURIBOR Case in the SDNY [Member] Member bcs:EuriborCaseInTheSdnyMember
2486 Foreign Exchange investigations [Member] Member bcs:ForeignExchangeInvestigationsMember
2487 Civil actions in respect of Foreign Exchange [Member] Member bcs:CivilActionsInRespectOfForeignExchangeMember
2488 Consolidated FX Action [Member] Member bcs:ConsolidatedFxActionMember
2489 US residential and commercial mortgage-related activity and litigation [Member] Member bcs:UsResidentialAndCommercialMortgageRelatedActivityAndLitigationMember
2490 Alternative trading systems and high-frequency trading [Member] Member bcs:AlternativeTradingSystemsAndHighFrequencyTradingMember
2491 Electricity market action [Member] Member bcs:ElectricityMarketActionMember
2492 American Depositary Shares [Member] Member bcs:AmericanDepositarySharesMember
2493 Civil actions in respect of the US Anti-Terrorism Act [Member] Member bcs:CivilActionsInRespectOfTheUsAntiTerrorismActMember
2494 Portuguese Competition Authority investigation [Member] Member bcs:PortugueseCompetitionAuthorityInvestigationMember
2495 BDC Finance LLC [Member] Member bcs:BdcFinanceLlcMember
2496 HM Revenue and Customs (HMRC) assessments concerning UK Value Added Tax [member] Member bcs:HmRevenueAndCustomsHmrcAssessmentsConcerningUkValueAddedTaxMember
2497 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2498 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2499 Lawsuits with specified damages sought [Member] Member bcs:LawsuitsWithSpecifiedDamagesSoughtMember
2500 Exchange-Based Class claims [Member] Member bcs:ExchangeBasedClassClaimsMember
2501 OTC Class claims [Member] Member bcs:OtcClassClaimsMember
2502 Debt Securities Class claims [Member] Member bcs:DebtSecuritiesClassClaimsMember
2503 Issued loans linked to USD LIBOR [Member] Member bcs:IssuedLoansLinkedToUnitedStatesDollarLiborMember
2504 Fines settlement [Member] Member bcs:FineSettlementMember
2505 Violation of NPA [Member] Member bcs:ViolationOfNpaMember
2506 Disgorgement and restitution settlement [Member] Member bcs:DisgorgementAndRestitutionSettlementMember
2507 RMBS Repurchase Requests [Member] Member bcs:RmbsRepurchaseRequestsMember
2508 Civil penalty [Member] Member bcs:CivilPenaltyMember
2509 Disgorgement [Member] Member bcs:DisgorgementMember
2510 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2511 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2512 United States Residential Mortgages [Member] Member bcs:UnitedStatesResidentialMortgagesMember
2513 Private-label securitisations [Member] Member bcs:PrivateLabelSecuritisationsMember
2514 Other private-label securitisations [Member] Member bcs:OtherPrivateLabelSecuritisationsMember
2515 Subsquently repurchased [Member] Member bcs:SubsquentlyRepurchasedMember
2516 Originated and sold to third parties by Acquired Subsidiary [Member] Member bcs:OriginatedAndSoldToThirdPartiesByAcquiredSubsidiaryMember
2517 Sponsored securitisations [Member] Member bcs:SponsoredSecuritisationsMember
2518 Types of customers [axis] Axis ifrs-full:TypesOfCustomersAxis
2519 Types of customers [member] Member ifrs-full:TypesOfCustomersMember
2520 Government sponsored enterprises [Member] Member bcs:GovernmentSponsoredEnterprisesMember
2521 Other customers [Member] Member bcs:OtherCustomersMember
2522 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2523 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2524 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2525 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2526 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2527 Barclays Capital Inc [member] Member bcs:BarclaysCapitalIncMember
2528 Barclays Bank UK PLC [member] Member bcs:BarclaysUkMember
2529 Counterparties [axis] Axis ifrs-full:CounterpartiesAxis
2530 Counterparties [member] Member ifrs-full:CounterpartiesMember
2531 Securities and Exchange Commission [Member] Member bcs:SecuritiesAndExchangeCommissionMember
2532 New York Attorney General [Member] Member bcs:NewYorkAttorneyGeneralMember
2533 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2534 Explanation of general nature of dispute and of reason for non-disclosure of information regarding contingent liability Concept (Text/String) For Period ifrs-full:ExplanationOfReasonForNondisclosureOfInformationRegardingContingentLiability
2535 Service agreement fees payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
2536 Advisory service fees payable, term Concept (xbrli:durationItemType) For Period bcs:AdvisoryServiceFeesPayableTerm
2537 Loans to government Concept (Monetary) As Of Debit ifrs-full:LoansToGovernment
2538 Loss contingency, Financial penalty warning Concept (Monetary) For Period Debit bcs:LossContingencyFinancialPenaltyWarning
2539 Loss Contingency, Damages Sought, claimed amounts, Value Concept (Monetary) For Period Debit bcs:LossContingencyDamagesSoughtClaimedAmountsValue
2540 Information about contingent liabilities that disclosure is not practicable Concept (Text/String) For Period ifrs-full:InformationAboutContingentLiabilitiesThatDisclosureIsNotPracticable
2541 Losses on litigation settlements Concept (Monetary) For Period Debit ifrs-full:LossesOnLitigationSettlements
2542 Number of lawsuits with specified damages sought Concept (Integer) For Period bcs:NumberOfLawsuitsWithSpecifiedDamagesSought
2543 Period under investigation of competition law infringment Concept (xbrli:durationItemType) For Period bcs:PeriodUnderInvestigationOfCompetitionLawInfringment
2544 Number of years probation Concept (xbrli:durationItemType) For Period bcs:NumberOfYearsProbation
2545 Provisions recognised Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2546 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
2547 Cumulative realised gain (loss) Concept (Monetary) As Of Credit bcs:CumulativeRealisedGainLoss
2548 Original unpaid principal balance at time of sale Concept (Monetary) As Of Credit bcs:OriginalUnpaidPrincipalBalanceAtTimeOfSale
2549 Issued capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
2550 Alleged excess collateral in response to demand Concept (Monetary) For Period Credit bcs:AllegedExcessCollateralInResponseToDemand
2551 Litigation settlements approved, value Concept (Monetary) For Period Credit bcs:LitigationSettlementsApprovedValue
2552 043001 - Disclosure - Subordinated Liabilities - Undated and dated loan capital (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesUndatedAndDatedLoanCapitalDetails
2553 Implied Table Table

*

*

implied:Table
2554 Subordinated liabilities [abstract] Abstract ifrs-full:SubordinatedLiabilitiesAbstract
2555 Opening balance as at 1 January Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
2556 Issuance of subordinated debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfSubordinatedLiabilities
2557 Redemptions Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfSubordinatedLiabilities
2558 Other Concept (Monetary) For Period Credit bcs:OtherRepaymentsProceedsOfBorrowingsClassifiedAsFinancingActivities
2559 Total subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
2560 Undated subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:UndatedSubordinatedLiabilities
2561 Dated subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:DatedSubordinatedLiabilities
2562 Total subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
2563 043002 - Disclosure - Subordinated Liabilities - Undated (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesUndatedDetails
2564 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2565 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2566 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2567 6% Callable Perpetual Core Tier One Notes Member bcs:SixPercentCallablePerpetualCoreTierOneNotesMember
2568 6.86% Callable Perpetual Core Tier One Notes (USD 179m) Member bcs:SixPointEightSixPercentCallablePerpetualCoreTierOneNotesUsdOriginalCurrencyMember
2569 6.3688% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:SixPointThreeSixEightEightPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2570 14% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:FourteenPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2571 5.3304% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:FivePointThreeThreeZeroFourPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2572 7.7% Undated Subordinated Notes (USD 99m) Member bcs:SevenPointSevenPercentUndatedSubordinatedNotesUsdOriginalCurrencyMember
2573 8.25% Undated Subordinated Notes Member bcs:EightPointTwoFivePercentUndatedSubordinatedNotesMember
2574 7.125% Undated Subordinated Notes Member bcs:SevenPointOneTwoFivePercentUndatedSubordinatedNotesMember
2575 6.125% Undated Subordinated Notes Member bcs:SixPointOneTwoFivePercentUndatedSubordinatedNotesMember
2576 Junior Undated Floating Rate Notes (USD 38m) Member bcs:JuniorUndatedNotesUsdOriginalCurrencyMember
2577 Undated Floating Rate Primary Capital Notes Series 3 Member bcs:UndatedPrimaryCapitalNotesSeriesThreeMember
2578 9.25% Perpetual Subordinated Bonds (ex-Woolwich PLC) Member bcs:NinePointTwoFivePercentPerpetualSubordinatedBondsExWoolwichPlcMember
2579 9% Permanent Interest Bearing Capital Bonds Member bcs:NinePercentPermanentInterestBearingCapitalBondsMember
2580 5.03% Reverse Dual Currency Undated Subordinated Loan Member bcs:FivePointZeroThreePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2581 5% Reverse Dual Currency Undated Subordinated Loan (JPY 12,000m) Member bcs:FivePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2582 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2583 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2584 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2585 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2586 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2587 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2588 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2589 Undated subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:UndatedSubordinatedLiabilities
2590 Initial call date Concept (Text/String) For Period bcs:BorrowingsInitialCallDate
2591 043003 - Disclosure - Subordinated Liabilities - Undated (Parenthetical) (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesUndatedParentheticalDetails
2592 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2593 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2594 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2595 6% Callable Perpetual Core Tier One Notes Member bcs:SixPercentCallablePerpetualCoreTierOneNotesMember
2596 6.86% Callable Perpetual Core Tier One Notes (USD 179m) Member bcs:SixPointEightSixPercentCallablePerpetualCoreTierOneNotesUsdOriginalCurrencyMember
2597 6.3688% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:SixPointThreeSixEightEightPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2598 14% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:FourteenPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2599 5.3304% Step-up Callable Perpetual Reserve Capital Instruments Member bcs:FivePointThreeThreeZeroFourPercentStepUpCallablePerpetualReserveCapitalInstrumentsMember
2600 7.7% Undated Subordinated Notes (USD 99m) Member bcs:SevenPointSevenPercentUndatedSubordinatedNotesUsdOriginalCurrencyMember
2601 8.25% Undated Subordinated Notes Member bcs:EightPointTwoFivePercentUndatedSubordinatedNotesMember
2602 7.125% Undated Subordinated Notes Member bcs:SevenPointOneTwoFivePercentUndatedSubordinatedNotesMember
2603 6.125% Undated Subordinated Notes Member bcs:SixPointOneTwoFivePercentUndatedSubordinatedNotesMember
2604 Junior Undated Floating Rate Notes (USD 38m) Member bcs:JuniorUndatedNotesUsdOriginalCurrencyMember
2605 9.25% Perpetual Subordinated Bonds (ex-Woolwich PLC) Member bcs:NinePointTwoFivePercentPerpetualSubordinatedBondsExWoolwichPlcMember
2606 9% Permanent Interest Bearing Capital Bonds Member bcs:NinePercentPermanentInterestBearingCapitalBondsMember
2607 5.03% Reverse Dual Currency Undated Subordinated Loan Member bcs:FivePointZeroThreePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2608 5% Reverse Dual Currency Undated Subordinated Loan (JPY 12,000m) Member bcs:FivePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2609 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2610 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2611 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2612 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2613 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2614 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2615 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2616 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2617 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2618 043004 - Disclosure - Subordinated Liabilities - Dated (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesDatedDetails
2619 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2620 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2621 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2622 Barclays PLC issued Member bcs:SubordinatedLiabilitiesNotesIssuedByBarclaysPlcMember
2623 2.625% Fixed Rate Subordinated Callable Notes (EUR 1,250m), Due 2025 Member bcs:TwoPointSixTwoFivePercentSubordinatedCallableNotesMember
2624 2% Fixed Rate Subordinated Callable Notes (EUR 1,500m), Due 2028 Member bcs:TwoPercentSubordinatedNotesMember
2625 4.375% Fixed Rate Subordinated Notes (USD 1,250m) , Due 2024 Member bcs:FourPointThreeSevenFivePercentSubordinatedNotesMember
2626 3.75% Resetting Subordinated Callable Note, Due 2030 Member bcs:ThreePointSevenFivePercentResettingSubordinatedCallableNoteDueTwentyThirtyMember
2627 5.20% Fixed Rate Subordinated Notes (USD 1,367m), Due 2026 Member bcs:FivePointTwoZeroPercentSubordinatedNotesMember
2628 4.836% Fixed Rate Subordinated Callable Notes (USD 1,200m), Due 2028 Member bcs:FourPointThreeEightSixPercentSubordinatedNotesMember
2629 Barclays Bank PLC issued Member bcs:BarclaysBankPlcLoansIssuedIntraGroupToBarclaysPlcMember
2630 Floating Rate Subordinated Notes (EUR 40m), Due 2018 Member bcs:SubordinatedNotesDueTwentyEighteenEurOriginalCurrencyMember
2631 6% Fixed Rate Subordinated Notes (EUR 1,750m), Due 2018 Member bcs:SixPercentSubordinatedNotesOneMember
2632 CMS-Linked Subordinated Notes (EUR 100m), Due 2018 Member bcs:CmsLinkSubordinatedLoansOneMember
2633 CMS-Linked Subordinated Notes (EUR 135m), Due 2018 Member bcs:CmsLinkSubordinatedLoansTwoMember
2634 Fixed/Floating Rate Subordinated Callable Notes, Due 2023 Member bcs:FixedOrFloatingRateSubordinatedCallableNotesMember
2635 7.75% Contingent Capital Notes (USD 1,000m), Due 2023 Member bcs:SevenPointSevenFiveContingentCapitalNotesMember
2636 Floating Rate Subordinated Notes (EUR 50m), Due 2019 Member bcs:SubordinatedNotesTwoMember
2637 5.14% Lower Tier 2 Notes (USD 1,094m), Due 2020 Member bcs:FivePointOneFourPercentLowerTierTwoNotesMember
2638 6% Fixed Rate Subordinated Notes (EUR 1,500m), Due 2021 Member bcs:SixPercentSubordinatedNotesTwoMember
2639 9.5% Subordinated Bonds (ex-Woolwich Plc), Due 2021 Member bcs:NinePointFivePercentSubordinatedBondsExWoolwichPlcMember
2640 Subordinated Floating Rate Notes (EUR 100m), Due 2021 Member bcs:SubordinatedNotesThreeMember
2641 10% Fixed Rate Subordinated Notes, Due 2021 Member bcs:TenPercentSubordinatedNotesMember
2642 10.179% Fixed Rate Subordinated Notes (USD 1,521m), Due 2021 Member bcs:TenPointOneSevenNinePercentSubordinatedNotesMember
2643 Subordinated Floating Rate Notes (EUR 50m), Due 2022 Member bcs:SubordinatedNotesFourMember
2644 6.625% Fixed Rate Subordinated Notes (EUR 1,000m), Due 2022 Member bcs:SixPointSixTwoFivePercentSubordinatedNotesMember
2645 7.625% Contingent Capital Notes (USD 3,000m), Due 2022 Member bcs:SevenPointSixTwoFivePercentContingentCapitalNotesMember
2646 Subordinated Floating Rate Notes (EUR 50m), Due 2023 Member bcs:SubordinatedNotesFiveMember
2647 5.75% Fixed Rate Subordinated Notes, Due 2026 Member bcs:FivePointSevenFivePercentSubordinatedNotesMember
2648 5.4% Reverse Dual Currency Subordinated Loan (JPY 15,000m), Due 2027 Member bcs:FivePointFourPercentReverseDualCurrencySubordinatedLoanMember
2649 6.33% Subordinated Notes, Due 2032 Member bcs:SixPointThreeThreePercentSubordinatedNotesMember
2650 Subordinated Floating Rate Notes (EUR 68m), Due 2040 Member bcs:SubordinatedNotesSixMember
2651 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2652 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2653 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2654 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2655 Fixed/Floating Interest Rate [member] Member bcs:FixedOrFloatingInterestRateMember
2656 Range [Axis] Axis ifrs-full:RangeAxis
2657 Ranges [member] Member ifrs-full:RangesMember
2658 Min [member] Member ifrs-full:BottomOfRangeMember
2659 Max [member] Member ifrs-full:TopOfRangeMember
2660 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2661 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2662 Barclays PLC [member] Member srt:ParentCompanyMember
2663 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2664 Other subsidiaries [member] Member bcs:OtherSubsidiariesMember
2665 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2666 Dated subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:DatedSubordinatedLiabilities
2667 Initial call date Concept (Text/String) For Period bcs:BorrowingsInitialCallDate
2668 Maturity Date Concept (Year) For Period bcs:BorrowingsMaturityDate
2669 043005 - Disclosure - Subordinated Liabilities - Dated (Parenthetical) (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesDatedParentheticalDetails
2670 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2671 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2672 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2673 Barclays PLC issued Member bcs:SubordinatedLiabilitiesNotesIssuedByBarclaysPlcMember
2674 2.625% Fixed Rate Subordinated Callable Notes (EUR 1,250m), Due 2025 Member bcs:TwoPointSixTwoFivePercentSubordinatedCallableNotesMember
2675 2% Fixed Rate Subordinated Callable Notes (EUR 1,500m), Due 2028 Member bcs:TwoPercentSubordinatedNotesMember
2676 4.375% Fixed Rate Subordinated Notes (USD 1,250m) , Due 2024 Member bcs:FourPointThreeSevenFivePercentSubordinatedNotesMember
2677 3.75% Resetting Subordinated Callable Note, Due 2030 Member bcs:ThreePointSevenFivePercentResettingSubordinatedCallableNoteDueTwentyThirtyMember
2678 5.20% Fixed Rate Subordinated Notes (USD 1,367m), Due 2026 Member bcs:FivePointTwoZeroPercentSubordinatedNotesMember
2679 4.836% Fixed Rate Subordinated Callable Notes (USD 1,200m), Due 2028 Member bcs:FourPointThreeEightSixPercentSubordinatedNotesMember
2680 Barclays Bank PLC issued Member bcs:BarclaysBankPlcLoansIssuedIntraGroupToBarclaysPlcMember
2681 Floating Rate Subordinated Notes (EUR 40m), Due 2018 Member bcs:SubordinatedNotesDueTwentyEighteenEurOriginalCurrencyMember
2682 6% Fixed Rate Subordinated Notes (EUR 1,750m), Due 2018 Member bcs:SixPercentSubordinatedNotesOneMember
2683 CMS-Linked Subordinated Notes (EUR 100m), Due 2018 Member bcs:CmsLinkSubordinatedLoansOneMember
2684 CMS-Linked Subordinated Notes (EUR 135m), Due 2018 Member bcs:CmsLinkSubordinatedLoansTwoMember
2685 Fixed/Floating Rate Subordinated Callable Notes, Due 2023 Member bcs:FixedOrFloatingRateSubordinatedCallableNotesMember
2686 7.75% Contingent Capital Notes (USD 1,000m), Due 2023 Member bcs:SevenPointSevenFiveContingentCapitalNotesMember
2687 Floating Rate Subordinated Notes (EUR 50m), Due 2019 Member bcs:SubordinatedNotesTwoMember
2688 5.14% Lower Tier 2 Notes (USD 1,094m), Due 2020 Member bcs:FivePointOneFourPercentLowerTierTwoNotesMember
2689 6% Fixed Rate Subordinated Notes (EUR 1,500m), Due 2021 Member bcs:SixPercentSubordinatedNotesTwoMember
2690 9.5% Subordinated Bonds (ex-Woolwich Plc), Due 2021 Member bcs:NinePointFivePercentSubordinatedBondsExWoolwichPlcMember
2691 Subordinated Floating Rate Notes (EUR 100m), Due 2021 Member bcs:SubordinatedNotesThreeMember
2692 10% Fixed Rate Subordinated Notes, Due 2021 Member bcs:TenPercentSubordinatedNotesMember
2693 10.179% Fixed Rate Subordinated Notes (USD 1,521m), Due 2021 Member bcs:TenPointOneSevenNinePercentSubordinatedNotesMember
2694 Subordinated Floating Rate Notes (EUR 50m), Due 2022 Member bcs:SubordinatedNotesFourMember
2695 6.625% Fixed Rate Subordinated Notes (EUR 1,000m), Due 2022 Member bcs:SixPointSixTwoFivePercentSubordinatedNotesMember
2696 7.625% Contingent Capital Notes (USD 3,000m), Due 2022 Member bcs:SevenPointSixTwoFivePercentContingentCapitalNotesMember
2697 Subordinated Floating Rate Notes (EUR 50m), Due 2023 Member bcs:SubordinatedNotesFiveMember
2698 5.75% Fixed Rate Subordinated Notes, Due 2026 Member bcs:FivePointSevenFivePercentSubordinatedNotesMember
2699 5.4% Reverse Dual Currency Subordinated Loan (JPY 15,000m), Due 2027 Member bcs:FivePointFourPercentReverseDualCurrencySubordinatedLoanMember
2700 6.33% Subordinated Notes, Due 2032 Member bcs:SixPointThreeThreePercentSubordinatedNotesMember
2701 Subordinated Floating Rate Notes (EUR 68m), Due 2040 Member bcs:SubordinatedNotesSixMember
2702 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2703 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2704 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2705 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2706 Fixed/Floating Interest Rate [member] Member bcs:FixedOrFloatingInterestRateMember
2707 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2708 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2709 Barclays PLC [member] Member srt:ParentCompanyMember
2710 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2711 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2712 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2713 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2714 Debt to equity reclassification Concept (Monetary) For Period ifrs-full:FinancialLiabilitiesReclassifiedIntoEquity
2715 043006 - Disclosure - Subordinated Liabilities (Narrative) (Details) Network

*

*

http://www.home.barclays/role/SubordinatedLiabilitiesNarrativeDetails
2716 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2717 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2718 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2719 Barclays Bank PLC issued Member bcs:BarclaysBankPlcLoansIssuedIntraGroupToBarclaysPlcMember
2720 Fixed/Floating Rate Subordinated Callable Notes, Due 2023 Member bcs:FixedOrFloatingRateSubordinatedCallableNotesMember
2721 6% Fixed Rate Subordinated Notes (EUR 1,750m), Due 2018 Member bcs:SixPercentSubordinatedNotesOneMember
2722 7.75% Contingent Capital Notes (USD 1,000m), Due 2023 Member bcs:SevenPointSevenFiveContingentCapitalNotesMember
2723 7.7% Undated Subordinated Notes (USD 99m) Member bcs:SevenPointSevenPercentUndatedSubordinatedNotesUsdOriginalCurrencyMember
2724 Floating Rate Subordinated Notes (EUR 40m), Due 2018 Member bcs:SubordinatedNotesDueTwentyEighteenEurOriginalCurrencyMember
2725 CMS-Linked Subordinated Notes (EUR 100m) and CMS-Linked Subordinated Notes (EUR 135m) Member bcs:CmsLinkedSubordinatedNotesDueTwentyEighteenEurOriginalCurrencyMember
2726 8.25% Undated Subordinated Notes Member bcs:EightPointTwoFivePercentUndatedSubordinatedNotesMember
2727 7.625% Contingent Capital Notes (USD 3,000m), Due 2022 Member bcs:SevenPointSixTwoFivePercentContingentCapitalNotesMember
2728 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2729 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2730 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2731 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2732 Fixed/Floating Interest Rate [member] Member bcs:FixedOrFloatingInterestRateMember
2733 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
2734 Liabilities [member] Member ifrs-full:LiabilitiesMember
2735 Subordinated liabilities [member] Member bcs:SubordinatedLiabilitiesMember
2736 Undated Subordinated liabilities [member] Member bcs:UndatedSubordinatedLiabilitiesMember
2737 Dated subordinated liabilities [member] Member bcs:DatedSubordinatedLiabilitiesMember
2738 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2739 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2740 Other subsidiaries [member] Member ifrs-full:AllOtherSegmentsMember
2741 Barclays Securities Japan Limited [member] Member bcs:BarclaysSecuritiesJapanLimitedMember
2742 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2743 Equity [member] Member ifrs-full:EquityMember
2744 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
2745 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2746 Issuance of subordinated debt Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfSubordinatedLiabilities
2747 Redemption of subordinated debt Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfSubordinatedLiabilities
2748 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2749 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2750 Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
2751 Debt to equity reclassification, net of income (loss) recognised Concept (Monetary) For Period bcs:FinancialLiabilitiesReclassifiedIntoEquityNetOfIncomeLossRecognised
2752 Accrued interest Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
2753 Description of interest rate Concept (Text/String) For Period bcs:DescriptionOfDividendRate
2754 Description of interest payments Concept (Text/String) For Period bcs:DescriptionOfInterestPayments
2755 Description of repayment period Concept (Text/String) For Period bcs:DescriptionOfRepaymentPeriod
2756 Description of arrangement for contingent consideration arrangements and indemnification assets Concept (Text/String) For Period ifrs-full:DescriptionOfArrangementForContingentConsiderationArrangementsAndIndemnificationAssets
2757 043101 - Disclosure - Ordinary shares, share premium, and other equity - Called up share capital, allotted and fully paid (Details) Network

*

*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquityCalledUpShareCapitalAllottedAndFullyPaidDetails
2758 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2759 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2760 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2761 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2762 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2763 Equity [member] Member ifrs-full:EquityMember
2764 Share capital [member] Member ifrs-full:IssuedCapitalMember
2765 Share premium [member] Member ifrs-full:SharePremiumMember
2766 Total share capital and share premium [member] Member bcs:IssuedCapitalAndSharePremiumMember
2767 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
2768 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2769 Beginning Balance, equity Concept (Monetary) As Of Credit ifrs-full:Equity
2770 Begining balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
2771 Issued to staff under share incentive plans, equity Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
2772 Issued to staff under share incentive plans, shares Concept (Shares) For Period bcs:IncreaseDecreaseInNumberOfOrdinarySharesIssuedThroughSharebasedPaymentTransactions
2773 Issuances relating to Scrip Dividend Programme, equity Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
2774 Issuances relating to Scrip Dividend Programme, shares Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfOrdinarySharesIssued
2775 At1 securities issuance Concept (Monetary) For Period Credit ifrs-full:IssueOfConvertibleInstruments
2776 At1 securities redemption Concept (Monetary) For Period Debit ifrs-full:ReductionOfIssuedCapital
2777 Capital reorganisation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
2778 Other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
2779 Ending Balance, equity Concept (Monetary) As Of Credit ifrs-full:Equity
2780 Ending balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
2781 043102 - Disclosure - Ordinary shares, share premium, and other equity - AT1 Equity instruments (Details) Network

*

*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquityAT1EquityInstrumentsDetails
2782 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2783 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2784 Equity [member] Member ifrs-full:EquityMember
2785 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
2786 AT1 equity instruments [member] Member bcs:AdditionalTierOneSecuritiesMember
2787 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2788 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2789 Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities [member] Member bcs:FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember
2790 8.25% Perpetual Subordinated Contingent Convertible Securities (USD 2,000m) Member bcs:EightPointTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2791 7.0% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointZeroPercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2792 6.625% Perpetual Subordinated Contingent Convertible Securities (USD 1,211m) Member bcs:SixPointSixTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2793 6.5% Perpetual Subordinated Contingent Convertible Securities (EUR 1,077m) Member bcs:SixPointFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2794 8.0% Perpetual Subordinated Contingent Convertible Securities (EUR 1,000m) Member bcs:EightPointZeroPercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2795 7.875% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesOneMember
2796 7.875% Perpetual Subordinated Contingent Convertible Securities (USD 1,500m) Member bcs:SevenPointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesTwoMember
2797 7.25% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2798 7.75% Perpetual Subordinated Contingent Convertible Securities (USD 2,500m) Member bcs:SevenPointSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2799 5.875% Perpetual Subordinated Contingent Convertible Securities Member bcs:FivePointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2800 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2801 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2802 Barclays PLC [member] Member srt:ParentCompanyMember
2803 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2804 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2805 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2806 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2807 Other equity instruments Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
2808 Initial call date Concept (Text/String) For Period bcs:BorrowingsInitialCallDate
2809 043103 - Disclosure - Ordinary shares, share premium, and other equity - AT1 Equity instruments (Parenthetical) (Details) Network

*

*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquityAT1EquityInstrumentsParentheticalDetails
2810 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2811 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2812 Equity [member] Member ifrs-full:EquityMember
2813 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
2814 AT1 equity instruments [member] Member bcs:AdditionalTierOneSecuritiesMember
2815 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2816 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2817 Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities [member] Member bcs:FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember
2818 8.25% Perpetual Subordinated Contingent Convertible Securities (USD 2,000m) Member bcs:EightPointTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2819 7.0% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointZeroPercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2820 6.625% Perpetual Subordinated Contingent Convertible Securities (USD 1,211m) Member bcs:SixPointSixTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2821 6.5% Perpetual Subordinated Contingent Convertible Securities (EUR 1,077m) Member bcs:SixPointFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2822 8.0% Perpetual Subordinated Contingent Convertible Securities (EUR 1,000m) Member bcs:EightPointZeroPercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2823 7.875% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesOneMember
2824 7.875% Perpetual Subordinated Contingent Convertible Securities (USD 1,500m) Member bcs:SevenPointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesTwoMember
2825 7.25% Perpetual Subordinated Contingent Convertible Securities Member bcs:SevenPointTwoFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2826 7.75% Perpetual Subordinated Contingent Convertible Securities (USD 2,500m) Member bcs:SevenPointSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2827 5.875% Perpetual Subordinated Contingent Convertible Securities Member bcs:FivePointEightSevenFivePercentPerpetualSubordinatedContingentConvertibleSecuritiesMember
2828 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2829 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2830 Barclays PLC [member] Member srt:ParentCompanyMember
2831 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2832 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2833 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2834 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2835 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2836 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2837 043104 - Disclosure - Ordinary shares, share premium, and other equity (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OrdinarySharesSharePremiumAndOtherEquityNarrativeDetails
2838 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2839 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2840 Equity [member] Member ifrs-full:EquityMember
2841 Called up share capital and share premium [member] Member bcs:IssuedCapitalAndSharePremiumMember
2842 Share repurchase program [member] Member bcs:ShareRepurchaseProgramMember
2843 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
2844 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
2845 AT1 Securities [member] Member bcs:AdditionalTierOneSecuritiesMember
2846 Issuances of AT1 equity instruments [member] Member bcs:IssuancesOfAtOneSecuritiesMember
2847 Redemptions of AT1 equity instruments [member] Member bcs:RedemptionsOfAtOneSecuritiesMember
2848 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2849 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2850 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
2851 Fixed Rate Resetting Perpetual Subordinated Contingent Convertible Securities [member] Member bcs:FixedRateResettingPerpetualSubordinatedContingentConvertibleSecuritiesMember
2852 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2853 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2854 Barclays PLC [member] Member srt:ParentCompanyMember
2855 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2856 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
2857 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
2858 Number of shares authorised Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
2859 Repurchase of shares Concept (Monetary) For Period Credit ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
2860 Capital reorganisation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
2861 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
2862 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2863 Number of convertible instruments issued Concept (Integer) For Period bcs:NumberOfConvertibleInstrumentsIssued
2864 At1 securities issuance Concept (Monetary) For Period Credit ifrs-full:IssueOfConvertibleInstruments
2865 Number of convertible instruments redeemed Concept (Integer) For Period bcs:NumberOfConvertibleInstrumentsRedeemed
2866 Rights, preferences and restrictions attaching to class of share capital Concept (Text/String) For Period ifrs-full:RightsPreferencesAndRestrictionsAttachingToClassOfShareCapital
2867 Description of interest rate Concept (Text/String) For Period bcs:DescriptionOfDividendRate
2868 Description of arrangement for contingent consideration arrangements and indemnification assets Concept (Text/String) For Period ifrs-full:DescriptionOfArrangementForContingentConsiderationArrangementsAndIndemnificationAssets
2869 043201 - Disclosure - Reserves (Details) Network

*

*

http://www.home.barclays/role/ReservesDetails
2870 Disclosure of reserves within equity [table] Table

*

*

ifrs-full:DisclosureOfReservesWithinEquityTable
2871 Reserves within equity [axis] Axis ifrs-full:ReservesWithinEquityAxis
2872 Other reserves [member] Member ifrs-full:OtherReservesMember
2873 Currency translation reserve [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
2874 Available for sale reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
2875 Fair value through other comprehensive income reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
2876 Cash flow hedging reserve [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
2877 Own credit reserve [member] Member ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember
2878 Other reserves and treasury shares [member] Member bcs:OtherReservesAndTreasurySharesMember
2879 Disclosure of reserves within equity [line items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
2880 Total Reserves Concept (Monetary) As Of Credit ifrs-full:OtherReserves
2881 043202 - Disclosure - Reserves (Narrative) (Details) Network

*

*

http://www.home.barclays/role/ReservesNarrativeDetails
2882 Disclosure of reserves within equity [table] Table

*

*

ifrs-full:DisclosureOfReservesWithinEquityTable
2883 Initially applied IFRSs [axis] Axis ifrs-full:InitiallyAppliedIFRSsAxis
2884 Initially applied IFRSs [member] Member ifrs-full:InitiallyAppliedIFRSsMember
2885 IFRSs 9 [member] Member bcs:IFRSs9Member
2886 Disclosure of reserves within equity [line items] LineItems ifrs-full:DisclosureOfReservesWithinEquityLineItems
2887 Fair value previously recognised in the available for sale reserve are now recorded in fair value through other comprehensive income Concept (Monetary) For Period Credit ifrs-full:FairValueGainsLossesOnFinancialAssetsReclassifiedOutOfAvailableforsaleFinancialAssetsRecognisedInOtherComprehensiveIncome
2888 043301 - Disclosure - Non-controlling interests - by group (Details) Network

*

*

http://www.home.barclays/role/NoncontrollingInterestsByGroupDetails
2889 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2890 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2891 Equity [member] Member ifrs-full:EquityMember
2892 Other non-controlling interests [member] Member bcs:OtherNoncontrollingInterestMember
2893 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2894 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2895 Barclay's Africa Banking Group Limited [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
2896 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2897 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2898 Preference shares [member] Member ifrs-full:PreferenceSharesMember
2899 Upper Tier 2 instruments [member] Member bcs:UpperTierTwoInstrumentsMember
2900 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2901 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2902 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2903 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2904 Profit (loss), attributable to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
2905 Equity attributable to non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2906 Dividends paid to non-controlling interest Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
2907 043303 - Disclosure - Non-controlling interests - by instruments (Details) Network

*

*

http://www.home.barclays/role/NoncontrollingInterestsByInstrumentsDetails
2908 Disclosure of classes of share capital [table] Table

*

*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
2909 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2910 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2911 Preference shares [member] Member ifrs-full:PreferenceSharesMember
2912 Upper Tier 2 instruments [member] Member bcs:UpperTierTwoInstrumentsMember
2913 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2914 Equity [member] Member ifrs-full:EquityMember
2915 6.278% non-cumulative callable preference shares Member bcs:SixDecimalTwoHundredSeventyEightNonCumulativeCallablePreferenceSharesMember
2916 4.75% non-cumulative callable preference shares Member bcs:FourDecimalSeventyFivePercentNonCumulatieCallablePrefrenceSharesMember
2917 8.125% non-cumulative callable preference shares Member bcs:EightDecimalTwentyFivePercentNonCumulativeCallablePreferenceSharesMember
2918 Undated Floating Rate Primary Capital Notes Series 1 Member bcs:UndatedFloatingRatePrimaryCapitalNotesSeriesOneMember
2919 Undated Floating Rate Primary Capital Notes Series 2 Member bcs:UndatedFloatingRatePrimaryCapitalNotesSeriesTwoMember
2920 5.03% Undated Reverse Dual Currency Subordinated Note (JPY8bn) Member bcs:FivePointZeroThreePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2921 5.0% Reverse Dual Currency Subordinated (JPY12bn) Member bcs:FivePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2922 Undated Floating Rate Primary Capital Notes Series 3 (GBP 145m) Member bcs:UndatedPrimaryCapitalNotesSeriesThreeMember
2923 9% Permanent Interest Bearing Capital Bonds (GBP 100m) Member bcs:NinePercentPermanentInterestBearingCapitalBondsMember
2924 7.125% Undated Subordinated Notes (GBP 525m) Member bcs:SevenPointOneTwoFivePercentUndatedSubordinatedNotesMember
2925 6.125% Undated Subordinated Notes (GBP 550m) Member bcs:SixPointOneTwoFivePercentUndatedSubordinatedNotesMember
2926 9.25% Perpetual Sub Notes (ex Woolwich) (GBP 150m) Member bcs:NinePointTwoFivePercentPerpetualSubordinatedBondsExWoolwichPlcMember
2927 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2928 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2929 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2930 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2931 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2932 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2933 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
2934 Equity attributable to non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
2935 043304 - Disclosure - Non-controlling interests - by instruments (parenthetical) (Details) Network

*

*

http://www.home.barclays/role/NoncontrollingInterestsByInstrumentsparentheticalDetails
2936 Disclosure of classes of share capital [table] Table

*

*

ifrs-full:DisclosureOfClassesOfShareCapitalTable
2937 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
2938 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
2939 Preference shares [member] Member ifrs-full:PreferenceSharesMember
2940 Upper Tier 2 instruments [member] Member bcs:UpperTierTwoInstrumentsMember
2941 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2942 Equity [member] Member ifrs-full:EquityMember
2943 6.278% non-cumulative callable preference shares Member bcs:SixDecimalTwoHundredSeventyEightNonCumulativeCallablePreferenceSharesMember
2944 4.75% non-cumulative callable preference shares Member bcs:FourDecimalSeventyFivePercentNonCumulatieCallablePrefrenceSharesMember
2945 8.125% non-cumulative callable preference shares Member bcs:EightDecimalTwentyFivePercentNonCumulativeCallablePreferenceSharesMember
2946 5.03% Undated Reverse Dual Currency Subordinated Note (JPY8bn) Member bcs:FivePointZeroThreePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2947 5.0% Reverse Dual Currency Subordinated (JPY12bn) Member bcs:FivePercentReverseDualCurrencyUndatedSubordinatedLoanJpyOriginalCurrencyMember
2948 Undated Floating Rate Primary Capital Notes Series 3 (GBP 145m) Member bcs:UndatedPrimaryCapitalNotesSeriesThreeMember
2949 9% Permanent Interest Bearing Capital Bonds (GBP 100m) Member bcs:NinePercentPermanentInterestBearingCapitalBondsMember
2950 7.125% Undated Subordinated Notes (GBP 525m) Member bcs:SevenPointOneTwoFivePercentUndatedSubordinatedNotesMember
2951 6.125% Undated Subordinated Notes (GBP 550m) Member bcs:SixPointOneTwoFivePercentUndatedSubordinatedNotesMember
2952 9.25% Perpetual Sub Notes (ex Woolwich) (GBP 150m) Member bcs:NinePointTwoFivePercentPerpetualSubordinatedBondsExWoolwichPlcMember
2953 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2954 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2955 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2956 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2957 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2958 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2959 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
2960 Borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2961 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2962 043305 - Disclosure - Non-controlling interests (Narrative) (Details) Network

*

*

http://www.home.barclays/role/NoncontrollingInterestsNarrativeDetails
2963 Statement of changes in equity [table] Table

*

*

ifrs-full:StatementOfChangesInEquityTable
2964 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
2965 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
2966 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2967 Ownership [Axis] Axis srt:OwnershipAxis
2968 Ownership [Domain] Member srt:OwnershipDomain
2969 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
2970 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
2971 Proportion of voting interest, non-controlling Concept (Percent) For Period ifrs-full:ProportionOfVotingRightsHeldByNoncontrollingInterests
2972 Significant restrictions to access assets Concept (Text/String) For Period ifrs-full:DescriptionOfSignificantRestrictionsOnEntitysAbilityToAccessOrUseAssetsAndSettleLiabilitiesOfGroup
2973 043401 - Disclosure - Share-based payments - Share based payments (Details) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsShareBasedPaymentsDetails
2974 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2975 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2976 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2977 Share value plan [member] Member bcs:ShareValuePlanMember
2978 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
2979 Others [member] Member bcs:OtherSchemesMember
2980 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2981 Total equity settled Concept (Monetary) For Period Debit ifrs-full:ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
2982 Cash settled Concept (Monetary) For Period Debit ifrs-full:ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
2983 Total share based payments Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
2984 043402 - Disclosure - Share-based payments - Share options and awards (Details) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsShareOptionsAndAwardsDetails
2985 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
2986 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2987 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2988 Share value plan [member] Member bcs:ShareValuePlanMember
2989 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
2990 Others [member] Member bcs:OtherSchemesMember
2991 Range [Axis] Axis ifrs-full:RangeAxis
2992 Ranges [member] Member ifrs-full:RangesMember
2993 Min [member] Member ifrs-full:BottomOfRangeMember
2994 Max [member] Member ifrs-full:TopOfRangeMember
2995 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
2996 Weighted average fair value per award, granted in year Concept (Share) For Period bcs:WeightedAverageFairValuePerAwardInShareBasedPaymentArrangementGrantedInYear
2997 Weighted average share price at exercise/ release during year Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise
2998 Weighted average remaining contractual life in years Concept (xbrli:durationItemType) For Period bcs:WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsYears
2999 Number of options/ awards outstanding Concept (Shares) As Of bcs:NumberOfOutstandingShareOptionsShares
3000 043403 - Disclosure - Share-based payments - Movements in option and award plans (Details) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsMovementsInOptionAndAwardPlansDetails
3001 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
3002 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3003 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3004 Share value plan [member] Member bcs:ShareValuePlanMember
3005 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
3006 Others [member] Member bcs:OtherSchemesMember
3007 Sharesave [member] Member bcs:SharesaveMember
3008 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
3009 Outstanding at beginning of year/acquisition date, Number of options Concept (Shares) As Of bcs:NumberOfOutstandingShareOptionsShares
3010 Granted in the year, number of options Concept (Shares) For Period bcs:NumberOfShareOptionsGrantedInSharebasedPaymentArrangementShares
3011 Exercised/released in the year, number of options Concept (Shares) For Period bcs:NumberOfShareOptionsExercisedInSharebasedPaymentArrangementShares
3012 Less: forfeited in the year, number of options Concept (Shares) For Period bcs:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangementShares
3013 Less: expired in the year, number of options Concept (Shares) For Period bcs:NumberOfShareOptionsExpiredInSharebasedPaymentArrangementShares
3014 Outstanding at end of year, Number of options Concept (Shares) As Of bcs:NumberOfOutstandingShareOptionsShares
3015 Of which exercisable, number of options Concept (Shares) As Of bcs:NumberOfShareOptionsExercisableInSharebasedPaymentArrangementShares
3016 Outstanding at beginning of year/acquisition date, Weighted average Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
3017 Granted in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
3018 Exercised/released in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
3019 Less: forfeited in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
3020 Less: expired in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
3021 Outstanding at end of year, Weighted average exercise price Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
3022 Of which exercisable, weighted average exercise price Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
3023 043404 - Disclosure - Share-based payments - Movements in options and award plans (Narrative) (Details) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsMovementsInOptionsAndAwardPlansNarrativeDetails
3024 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
3025 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3026 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3027 Share value plan [member] Member bcs:ShareValuePlanMember
3028 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
3029 Others [member] Member bcs:OtherSchemesMember
3030 Sharesave [member] Member bcs:SharesaveMember
3031 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
3032 Number of share options exercisable in share-based payment arrangement Concept (Shares) As Of bcs:NumberOfShareOptionsExercisableInSharebasedPaymentArrangementShares
3033 Outstanding at beginning of year/acquisition date, Weighted average Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
3034 Granted in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
3035 Exercised/released in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
3036 Less: forfeited in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
3037 Less: expired in the year, weighted average exercise price Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
3038 Outstanding at end of year, Weighted average exercise price Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
3039 043405 - Disclosure - Share-based payments (Narrative) (Details) Network

*

*

http://www.home.barclays/role/SharebasedPaymentsNarrativeDetails
3040 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
3041 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3042 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3043 Share value plan [member] Member bcs:ShareValuePlanMember
3044 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
3045 Others [member] Member bcs:OtherSchemesMember
3046 Employee benefit and other trusts [Member] Member bcs:EmployeeBenefitAndOtherTrustsMember
3047 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
3048 Description of share-based payment arrangement Concept (Text/String) For Period ifrs-full:ExplanationOfShareOptionsInSharebasedPaymentArrangement
3049 Total liability arising from cash-settled share-based payments transactions Concept (Monetary) As Of Credit ifrs-full:LiabilitiesFromSharebasedPaymentTransactions2011
3050 Total number of Barclays shares held Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
3051 Total market value of the shares held in trust Concept (Monetary) As Of Credit bcs:MarketValueOfSharesHeldByEntityOrByItsSubsidiariesOrAssociates
3052 Share price Concept (Monetary) For Period ifrs-full:WeightedAverageSharePrice
3053 043501 - Disclosure - Pensions and post-retirement benefits - Income statement charge (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsIncomeStatementChargeDetails
3054 Implied Table Table

*

*

implied:Table
3055 Pension and post-retirement benefits Abstract ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
3056 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
3057 Net finance cost Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
3058 Past service cost Concept (Monetary) For Period Credit ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
3059 Other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset
3060 Total Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInNetDefinedBenefitLiabilityAsset
3061 043502 - Disclosure - Pensions and post-retirement benefits - Balance sheet reconciliation (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsBalanceSheetReconciliationDetails
3062 Disclosure of net defined benefit liability (asset) [table] Table

*

*

ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
3063 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
3064 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
3065 Defined benefit obligations [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
3066 Fair value of plan assets [member] Member ifrs-full:PlanAssetsMember
3067 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3068 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3069 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3070 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3071 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3072 UK [member] Member ifrs-full:CountryOfDomicileMember
3073 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3074 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3075 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3076 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
3077 Benefit obligation at beginning of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
3078 Fair value of scheme assets at beginning of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3079 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
3080 Interest costs or income on scheme liabilities or assets Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
3081 Past service cost Concept (Monetary) For Period Credit ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
3082 Remeasurement (loss)/gain - financial Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
3083 Remeasurement gain/(loss) - demographic Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
3084 Remeasurement gain - experience Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
3085 Employer contribution Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
3086 Remeasurement - return on scheme assets greater/(less) than discount rate Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
3087 Employee contributions Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset
3088 Benefits paid Concept (Monetary) For Period Debit ifrs-full:BenefitsPaidOrPayable
3089 Exchange and other movements Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
3090 Benefit obligation at end of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
3091 Fair value of scheme assets at end of the year Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3092 Net surplus/(deficit) Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
3093 Retirement benefit assets Concept (Monetary) As Of Debit ifrs-full:AssetsOfBenefitPlan
3094 Retirement benefit liabilities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesOtherThanActuarialPresentValueOfPromisedRetirementBenefits
3095 Net retirement benefit assets/(liabilities) Concept (Monetary) As Of Credit ifrs-full:AssetsLiabilitiesOfBenefitPlan
3096 043503 - Disclosure - Pensions and post-retirement benefits - Actuarial valuation of schemes (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsActuarialValuationOfSchemesDetails
3097 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

*

*

ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
3098 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
3099 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
3100 Key UKRF financial assumptions [member] Member bcs:ActuarialAssumptionOfKeyFinancialAssumptionsMember
3101 Life expectancy at 60 for current pensioners, males [member] Member bcs:ActuarialAssumptionOfLifeExpectancyAfterRetirementForMalesAtSixtyYearsAgeMember
3102 Life expectancy at 60 for current pensioners, females [member] Member bcs:ActuarialAssumptionOfLifeExpectancyAfterRetirementForFemalesAtSixtyYearsAgeMember
3103 Life expectancy at 60 for future pensioners at 40 years, males [member] Member bcs:ActuarialAssumptionOfLifeExpectancyAfterRetirementForMalesAtSixtyYearsAgeForFuturePensionersAtFourtyYearsMember
3104 Life expectancy at 60 for future pensioners at 40 years, females [member] Member bcs:ActuarialAssumptionOfLifeExpectancyAfterRetirementForFemalesAtSixtyYearsAgeForFuturePensionersAtFourtyYearsMember
3105 0.5% change in discount rate per annum [member] Member bcs:ActuarialAssumptionOfChangeInDiscountRateByFiftyBasisPointsMember
3106 0.25% change in discount rate per annum [member] Member bcs:ActuarialAssumptionOfChangeInDiscountRateByTwentyFiveBasisPointsMember
3107 0.5% change in RPI per annum [member] Member bcs:ActuarialAssumptionOfChangeInExpectedInflationRateByFiftyBasisPointsMember
3108 0.25% change in RPI per annum [member] Member bcs:ActuarialAssumptionOfChangeInExpectedInflationRateByTwentyFiveBasisPointsMember
3109 Change in life expectancy by one year [member] Member bcs:ActuarialAssumptionOfChangeInLifeExpectancyAfterRetirementMember
3110 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3111 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3112 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3113 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3114 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3115 UK [member] Member ifrs-full:CountryOfDomicileMember
3116 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3117 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3118 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3119 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
3120 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
3121 Inflation rate (RPI) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
3122 Assumed life expectancy at 60 Concept (xbrli:durationItemType) For Period bcs:ActuarialAssumptionOfLifeExpectancyAfterRetirementInYears
3123 (Decrease)/Increase in UKRF defined benefit obligations, due to increase in actuarial assumption Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption
3124 (Decrease)/Increase in UKRF defined benefit obligations, due to decrease in actuarial assumption Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption
3125 043504 - Disclosure - Pensions and post-retirement benefits - Analysis of scheme assets (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsAnalysisOfSchemeAssetsDetails
3126 Disclosure of fair value of plan assets [table] Table

*

*

ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
3127 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3128 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3129 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3130 All levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
3131 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
3132 Equities - Quoted [member] Member ifrs-full:Level1OfFairValueHierarchyMember
3133 Equities non-quoted [member] Member ifrs-full:Level2And3OfFairValueHierarchyMember
3134 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3135 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3136 Bonds Fixed Government [Member] Member bcs:BondsFixedGovernmentMember
3137 Bonds Index Linked Government [Member] Member bcs:BondsIndexLinkedGovernmentMember
3138 Bonds - Corporate and Other [Member] Member bcs:BondsCorporateAndOtherMember
3139 Commerical - property [member] Member ifrs-full:InvestmentPropertyMember
3140 Derivatives [member] Member ifrs-full:DerivativesMember
3141 Other [member] Member bcs:OtherNonquotedAssetsHeldMember
3142 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
3143 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
3144 Fair value of plan assets [member] Member ifrs-full:PlanAssetsMember
3145 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3146 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3147 UK [member] Member ifrs-full:CountryOfDomicileMember
3148 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3149 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3150 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3151 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
3152 Equities Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
3153 Bonds Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
3154 Property commerical Concept (Monetary) As Of Debit ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
3155 Derivatives Concept (Monetary) As Of Debit ifrs-full:DerivativesAmountContributedToFairValueOfPlanAssets
3156 Other Concept (Monetary) As Of Debit ifrs-full:OtherAssetsAmountContributedToFairValueOfPlanAssets
3157 Fair value of scheme assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3158 % of total fair value of scheme assets Concept (Percent) As Of bcs:PercentageOfFairValueOfSchemeAssets
3159 043505 - Disclosure - Pensions and post-retirement benefits - Deficit reduction contributions (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsDeficitReductionContributionsDetails
3160 Disclosure of fair value of plan assets [table] Table

*

*

ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
3161 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3162 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3163 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3164 Maturity [axis] Axis ifrs-full:MaturityAxis
3165 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
3166 2017 [member] Member bcs:TwentySeventeenMember
3167 2018 [member] Member ifrs-full:CurrentMember
3168 2019 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
3169 2020 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
3170 2021 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
3171 2022 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
3172 2023 [member] Member bcs:LaterThanFiveYearsAndNotLaterThanSixYearsMember
3173 2024 [member] Member bcs:LaterThanSixYearsAndNotLaterThanSevenYearsMember
3174 2025 [member] Member bcs:LaterThanSevenYearsAndNotLaterThanEightYearsMember
3175 2026 [member] Member bcs:LaterThanEightYearsAndNotLaterThanNineYearsMember
3176 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
3177 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
3178 Deficit contributions 30 September 2016 valuation [member] Member bcs:DeficitContributionsValuationRecoveryPlanTwentySixteenMember
3179 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3180 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3181 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3182 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3183 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3184 UK [member] Member ifrs-full:CountryOfDomicileMember
3185 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
3186 Deficit reduction contributions Concept (Monetary) As Of Credit bcs:DeficitReductionContributions
3187 043507 - Disclosure - Pensions and post-retirement benefits - Contributions paid (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsContributionsPaidDetails
3188 Disclosure of fair value of plan assets [table] Table

*

*

ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
3189 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3190 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3191 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3192 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3193 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3194 UK [member] Member ifrs-full:CountryOfDomicileMember
3195 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3196 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3197 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3198 Disclosure of fair value of plan assets [line items] LineItems ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
3199 Defined benefit contributions paid Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
3200 043508 - Disclosure - Pensions and post-retirement benefits (Narrative) (Details) Network

*

*

http://www.home.barclays/role/PensionsAndPostretirementBenefitsNarrativeDetails
3201 Disclosure of net defined benefit liability (asset) [table] Table

*

*

ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
3202 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
3203 Defined benefit plans [member] Member ifrs-full:DefinedBenefitPlansMember
3204 United Kingdom Retirement Fund (UKRF) [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
3205 Afterwork [member] Member bcs:AfterworkMember
3206 1964 Pension Scheme [member] Member bcs:NineteenSixtyFourPensionSchemeMember
3207 BPSP [member] Member bcs:BarclaysPensionSavingsPlanMember
3208 Other [member] Member bcs:OtherPensionSchemesMember
3209 Section 75 contributions [member] Member bcs:SectionSeventyFiveContributionPlanMember
3210 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
3211 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
3212 Defined benefit obligations [member] Member ifrs-full:PresentValueOfDefinedBenefitObligationMember
3213 Fair value of plan assets [member] Member ifrs-full:PlanAssetsMember
3214 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
3215 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
3216 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
3217 Maturity [axis] Axis ifrs-full:MaturityAxis
3218 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
3219 2019 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
3220 2020 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
3221 2021 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
3222 from 2022 onwards [member] Member bcs:LaterThanFourYearsMember
3223 Range [Axis] Axis ifrs-full:RangeAxis
3224 Ranges [member] Member ifrs-full:RangesMember
3225 Max [member] Member ifrs-full:TopOfRangeMember
3226 Valuation techniques used in fair value measurement [axis] Axis ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
3227 Valuation techniques [member] Member ifrs-full:ValuationTechniquesMember
3228 Deficit contributions 30 September 2018 valuation [member] Member bcs:DeficitContributionsValuationRecoveryPlanTwentyEighteenMember
3229 Deficit contributions 30 September 2016 valuation [member] Member bcs:DeficitContributionsValuationRecoveryPlanTwentySixteenMember
3230 Deficit contributions 30 September 2015 valuation [member] Member bcs:DeficitContributionsValuationRecoveryPlanTwentyFifteenMember
3231 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
3232 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
3233 Discount rate [member] Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
3234 Inflation rate [member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember
3235 Mortality rates [member] Member ifrs-full:ActuarialAssumptionOfMortalityRatesMember
3236 Future transfers out [member] Member bcs:FutureTransfersOutMember
3237 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3238 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3239 UK [member] Member ifrs-full:CountryOfDomicileMember
3240 Overseas [member] Member ifrs-full:ForeignCountriesMember
3241 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3242 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3243 Pension defined benefit plans [member] Member ifrs-full:PensionDefinedBenefitPlansMember
3244 Defined contribution schemes [member] Member ifrs-full:PostemploymentMedicalDefinedBenefitPlansMember
3245 Defined contribution Schemes [member] Member bcs:DefinedContributionPlansMember
3246 Consolidated Entities [Axis] Axis srt:ConsolidatedEntitiesAxis
3247 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
3248 Barclays PLC [member] Member srt:ParentCompanyMember
3249 Disclosure of net defined benefit liability (asset) [line items] LineItems ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
3250 Description of type of plan Concept (Text/String) For Period ifrs-full:DescriptionOfTypeOfPlan
3251 Description of risks to which plan exposes entity Concept (Text/String) For Period ifrs-full:DescriptionOfRisksToWhichPlanExposesEntity
3252 Description of regulatory framework in which plan operates Concept (Text/String) For Period ifrs-full:DescriptionOfRegulatoryFrameworkInWhichPlanOperates
3253 Benefit obligation at end of the year Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
3254 Fair value of scheme assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
3255 Net surplus/(deficit) Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
3256 Past service cost Concept (Monetary) For Period Credit ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
3257 Benefits paid Concept (Monetary) For Period Debit ifrs-full:BenefitsPaidOrPayable
3258 Transfers out of the fund and contribution refunds Concept (Monetary) For Period Credit bcs:TransfersOutOfDefinedBenefitFundAndContributionRefund
3259 Description of methods and assumptions used in preparing sensitivity analysis for actuarial assumptions Concept (Text/String) For Period ifrs-full:DescriptionOfMethodsAndAssumptionsUsedInPreparingSensitivityAnalysisForActuarialAssumptions
3260 Percentage of member transfers out of benefit obligation Concept (Percent) As Of bcs:PercentageOfMemberTransfersOutOfBenefitObligation
3261 Weighted average duration of the benefit payments reflected in defined benefit obligation, UKRF Concept (xbrli:durationItemType) For Period bcs:WeightedAverageDurationOfDefinedBenefitObligationYears
3262 Description of asset-liability matching strategies used by plan or entity to manage risk Concept (Text/String) For Period ifrs-full:DescriptionOfAssetliabilityMatchingStrategiesUsedByPlanOrEntityToManageRisk
3263 Equity instruments, amount contributed to fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
3264 Bonds issued Concept (Monetary) As Of Debit ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
3265 Private equity investment scheme assets Concept (Monetary) As Of Debit ifrs-full:InvestmentFundsAmountContributedToFairValueOfPlanAssets
3266 Percentage of fair value of scheme assets invested in liability driven investment strategies Concept (Percent) As Of bcs:PercentageOfFairValueOfSchemeAssetsInvestedInLiabilities
3267 Description of funding arrangements and funding policy that affect future contributions Concept (Text/String) For Period ifrs-full:DescriptionOfFundingArrangementsAndFundingPolicyThatAffectFutureContributions
3268 Funding level percentage Concept (Percent) As Of bcs:DefinedBenefitPlanFundingLevelPercentage
3269 Percentage of funding deficit secured by collateral pool Concept (Percent) As Of bcs:PercentageOfFundingDeficitSecuredByCollateralPool
3270 Maximum funding deficit secured by collateral pool Concept (Monetary) As Of Credit bcs:MaximumFundingDeficitSecuredByCollateralPool
3271 Estimate of contributions expected to be paid to plan for next annual reporting period Concept (Monetary) For Period Credit ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
3272 Scheme as a percentage of total retirement benefit obligations Concept (Percent) As Of bcs:SchemeAsAPercentageOfTotalRetirementBenefitObligations
3273 Inflation rate (RPI) Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
3274 Investment related increase, percentage Concept (Percent) As Of bcs:InvestmentRelatedIncreasePercentage
3275 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
3276 Defined benefit contributions paid Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanNetDefinedBenefitLiabilityAsset
3277 043601 - Disclosure - Principal subsidiaries - Significant subsidiaries (Details) Network

*

*

http://www.home.barclays/role/PrincipalSubsidiariesSignificantSubsidiariesDetails
3278 Disclosure of subsidiaries [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
3279 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
3280 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
3281 Barclays Bank PLC [member] Member bcs:BarclaysBankPlcMember
3282 Barclays Bank UK PLC [member] Member bcs:BarclaysBankUkPlcMember
3283 Barclays Bank Ireland PLC [member] Member bcs:BarclaysBankIrelandPlcMember
3284 Barclays Services Limited [member] Member bcs:BarclaysServicesLimitedMember
3285 Barclays Capital Inc [member] Member bcs:BarclaysCapitalIncMember
3286 Barclays Capital Securities Limited [member] Member bcs:BarclaysCapitalSecuritiesLimitedMember
3287 Barclays Securities Japan Limited [member] Member bcs:BarclaysSecuritiesJapanLimitedMember
3288 Barclays Bank Delaware [member] Member bcs:BarclaysBankDelawareMember
3289 Disclosure of subsidiaries [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
3290 Company Name Concept (Text/String) For Period ifrs-full:NameOfSubsidiary
3291 Principal place of business or incorporation Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary
3292 Nature of business Concept (Text/String) For Period ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
3293 Percentage of voting rights held Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInSubsidiary
3294 Proportion of ownership interest, non-controlling Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
3295 Proportion of voting interest, non-controlling Concept (Percent) For Period ifrs-full:ProportionOfVotingRightsHeldByNoncontrollingInterests
3296 043602 - Disclosure - Principal subsidiaries - Excluded from consolidation because the Group does not have exposure to its variable returns (Details) Network

*

*

http://www.home.barclays/role/PrincipalSubsidiariesExcludedFromConsolidationBecauseTheGroupDoesNotHaveExposureToItsVariableReturnsDetails
3297 Disclosure of unconsolidated structured entities [table] Table

*

*

ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesTable
3298 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
3299 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
3300 Unconsolidated structured entities [member] Member ifrs-full:UnconsolidatedStructuredEntitiesMember
3301 Disclosure of unconsolidated structured entities [line items] LineItems ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems
3302 Country of registration or incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
3303 Company Name Concept (Text/String) For Period ifrs-full:NameOfSubsidiary
3304 Percentage of voting rights held Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInSubsidiary
3305 Equity shareholder's funds Concept (Monetary) For Period Credit bcs:EquityFromStructuredEntities
3306 Retained profit for the year Concept (Monetary) For Period Credit ifrs-full:IncomeFromStructuredEntities
3307 043603 - Disclosure - Principal subsidiaries (Narrative) (Details) Network

*

*

http://www.home.barclays/role/PrincipalSubsidiariesNarrativeDetails
3308 Disclosure of subsidiaries [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
3309 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
3310 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
3311 Principal Subsidiary companies [member] Member ifrs-full:SubsidiariesMember
3312 Consolidated structured entities [axis] Axis ifrs-full:ConsolidatedStructuredEntitiesAxis
3313 Entity's total for consolidated structured entities [member] Member ifrs-full:EntitysTotalForConsolidatedStructuredEntitiesMember
3314 Consolidated structured entities [member] Member ifrs-full:ConsolidatedStructuredEntitiesMember
3315 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3316 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3317 Investment funds [member] Member ifrs-full:InvestmentFundsMember
3318 Disclosure of subsidiaries [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
3319 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
3320 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
3321 Balances with banks and other regulatory authorities Concept (Monetary) As Of Debit ifrs-full:MandatoryReserveDepositsAtCentralBanks
3322 043701 - Disclosure - Structured entities - Unconsolidated (Details) Network

*

*

http://www.home.barclays/role/StructuredEntitiesUnconsolidatedDetails
3323 Disclosure of information about unconsolidated structured entities controlled by investment entity [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutUnconsolidatedStructuredEntitiesControlledByInvestmentEntityTable
3324 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
3325 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
3326 Structured entities [member] Member ifrs-full:UnconsolidatedStructuredEntitiesMember
3327 Secured financings [member] Member ifrs-full:AssetbackedFinancingsMember
3328 Short-term traded interests [Member] Member bcs:ShortTermTradedInterestsMember
3329 Traded derivatives [Member] Member bcs:TradedDerivativesMember
3330 Other interests [member] Member bcs:OtherInterestsMember
3331 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3332 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3333 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
3334 Disclosure of unconsolidated structured entities [line items] LineItems ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems
3335 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
3336 Financial assets designated at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
3337 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
3338 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
3339 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
3340 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
3341 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
3342 Derivative financial instruments Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
3343 043702 - Disclosure - Structured entities - Nature of interests (Details) Network

*

*

http://www.home.barclays/role/StructuredEntitiesNatureOfInterestsDetails
3344 Disclosure of information about unconsolidated structured entities controlled by investment entity [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutUnconsolidatedStructuredEntitiesControlledByInvestmentEntityTable
3345 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
3346 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
3347 Unconsolidated structured entities [member] Member ifrs-full:UnconsolidatedStructuredEntitiesMember
3348 Other interests [member] Member bcs:OtherInterestsMember
3349 Multi-seller conduit programmes [member] Member ifrs-full:SecuritisationVehiclesMember
3350 Lending [member] Member ifrs-full:SecuritiesLendingMember
3351 Investment funds and trusts [member] Member ifrs-full:InvestmentFundsMember
3352 Others [member] Member bcs:OtherInvestmentProgramsMember
3353 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3354 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3355 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
3356 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3357 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3358 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
3359 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3360 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3361 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
3362 Disclosure of unconsolidated structured entities [line items] LineItems ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems
3363 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
3364 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3365 Derivative financial assets Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
3366 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
3367 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
3368 Total on balance sheet exposures Concept (Monetary) As Of ifrs-full:CreditExposure
3369 Total off balance sheet notional amounts Concept (Monetary) As Of Debit bcs:OffBalanceSheetNotionalAmountsOfAssets
3370 Maximum exposure to loss Concept (Monetary) As Of ifrs-full:MaximumExposureToLossFromInterestsInStructuredEntities
3371 Total assets of the entity Concept (Monetary) As Of Debit ifrs-full:AssetsRecognisedInEntitysFinancialStatementsInRelationToStructuredEntities
3372 043703 - Disclosure - Structured entities (Narrative) (Details) Network

*

*

http://www.home.barclays/role/StructuredEntitiesNarrativeDetails
3373 Disclosure of information about unconsolidated structured entities controlled by investment entity [table] Table

*

*

ifrs-full:DisclosureOfInformationAboutUnconsolidatedStructuredEntitiesControlledByInvestmentEntityTable
3374 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
3375 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
3376 Structured entities [member] Member ifrs-full:UnconsolidatedStructuredEntitiesMember
3377 Securitisation vehicles [member] Member ifrs-full:SecuritisationVehiclesMember
3378 Commercial paper (CP) and medium-term note conduits [member] Member bcs:CommercialPaperAndMediumTermNoteConduitMember
3379 Investment funds and trusts [member] Member ifrs-full:InvestmentFundsMember
3380 Asset-backed loans [member] Member ifrs-full:AssetbackedFinancingsMember
3381 Lending [member] Member ifrs-full:SecuritiesLendingMember
3382 Employee benefit and other trusts [Member] Member bcs:EmployeeBenefitAndOtherTrustsMember
3383 Short-term traded interests [Member] Member bcs:ShortTermTradedInterestsMember
3384 Others [member] Member bcs:OtherInvestmentProgramsMember
3385 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3386 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3387 Trading securities [member] Member ifrs-full:TradingSecuritiesMember
3388 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
3389 Derivatives [member] Member ifrs-full:DerivativesMember
3390 Financial guarantee [member] Member ifrs-full:FinancialGuaranteeContractsMember
3391 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
3392 Risks [member] Member ifrs-full:TypesOfRisksMember
3393 Contractual Backstop Liquidity Facilities [Member] Member bcs:ContractualBackstopLiquidityFacilitiesMember
3394 Disclosure of unconsolidated structured entities [line items] LineItems ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems
3395 Loan commitments Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
3396 Undrawn contractual backstop liquidity facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
3397 Notional value of guarantee Concept (Monetary) As Of ifrs-full:NotionalAmount
3398 Short term traded interest Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
3399 Impairment cost of loan facilities Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
3400 043801 - Disclosure - Investments in associates and joint ventures (Details) Network

*

*

http://www.home.barclays/role/InvestmentsInAssociatesAndJointVenturesDetails
3401 Disclosure of associates [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
3402 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
3403 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
3404 Associates [member] Member ifrs-full:AssociatesMember
3405 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
3406 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
3407 Joint ventures [member] Member ifrs-full:JointVenturesMember
3408 Disclosure of associates and joint ventures [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
3409 Investments in associates accounted for using equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
3410 Investments in joint ventures accounted for using equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod
3411 Equity accounted Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
3412 Held at fair value through profit or loss, Associates Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished
3413 Investments in associates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociates
3414 Held at fair value through profit or loss, Joint ventures Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentInJointVenturesWherePriceQuotationsPublished
3415 Investments in joint ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVentures
3416 Profit from continuing operations Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
3417 Other comprehensive income / (expenses) Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
3418 Total comprehensive income from continuing operations Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
3419 043802 - Disclosure - Investments in associates and joint ventures (Narrative) (Details) Network

*

*

http://www.home.barclays/role/InvestmentsInAssociatesAndJointVenturesNarrativeDetails
3420 Disclosure of associates [table] Table

*

*

ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
3421 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
3422 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
3423 Associates [member] Member ifrs-full:AssociatesMember
3424 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
3425 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
3426 Joint ventures [member] Member ifrs-full:JointVenturesMember
3427 Range [Axis] Axis ifrs-full:RangeAxis
3428 Ranges [member] Member ifrs-full:RangesMember
3429 Min [member] Member ifrs-full:BottomOfRangeMember
3430 Max [member] Member ifrs-full:TopOfRangeMember
3431 Disclosure of associates and joint ventures [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
3432 Voting rights, Associates Concept (Percent) For Period ifrs-full:ProportionOfVotingPowerHeldInAssociate
3433 Voting rights, Joint ventures Concept (Percent) For Period ifrs-full:ProportionOfVotingRightsHeldInJointVenture
3434 Unrecognised share of losses of associates and joint ventures Concept (Monetary) For Period Debit bcs:UnrecognisedShareOfLossesOfAssociatesAndJointVentures
3435 Unutilised credit facilities Concept (Monetary) As Of Credit ifrs-full:UndrawnBorrowingFacilities
3436 Commitments in relation to joint ventures and associates Concept (Monetary) As Of Credit bcs:CommitmentsInRelationToJointVenturesAndAssociates
3437 043901 - Disclosure - Securitisations - Transfers of financial assets that do not result in derecognition (Details) Network

*

*

http://www.home.barclays/role/SecuritisationsTransfersOfFinancialAssetsThatDoNotResultInDerecognitionDetails
3438 Disclosure of transferred financial assets that are not derecognised in their entirety [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionTable
3439 Transferred financial assets that are not derecognised in their entirety [axis] Axis ifrs-full:FinancialAssetsWhichDoNotQualifyForDerecognitionAxis
3440 Transferred financial assets that are not derecognised in their entirety [member] Member ifrs-full:FinancialAssetsWhichDoNotQualifyForDerecognitionMember
3441 Credit cards, unsecured and other retail lending [member] Member bcs:CreditCardsUnsecuredAndOtherRetailLendingMember
3442 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3443 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3444 Financial assets at amortised cost, category [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
3445 Disclosure of transferred financial assets that are not derecognised in their entirety [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsTransferredDuringPeriodWhichDoNotQualifyForDerecognitionLineItems
3446 Assets carrying amount Concept (Monetary) As Of Debit ifrs-full:AssetsThatEntityContinuesToRecognise
3447 Assets Fair value Concept (Monetary) As Of Debit ifrs-full:FairValueOfTransferredFinancialAssetsThatAreNotDerecognisedInTheirEntirety
3448 Liabilities carry amount Concept (Monetary) As Of Credit ifrs-full:AssociatedLiabilitiesThatEntityContinuesToRecognise
3449 Liabilities fair value Concept (Monetary) As Of Credit ifrs-full:FairValueOfAssociatedFinancialLiabilities
3450 043902 - Disclosure - Securitisations - Continuing involvement in financial assets that have been derecognised (Details) Network

*

*

http://www.home.barclays/role/SecuritisationsContinuingInvolvementInFinancialAssetsThatHaveBeenDerecognisedDetails
3451 Disclosure of continuing involvement in derecognised financial assets [table] Table

*

*

ifrs-full:DisclosureOfContinuingInvolvementInDerecognisedFinancialAssetsTable
3452 Continuing involvement in derecognised financial assets by type of transfer [axis] Axis ifrs-full:ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis
3453 Types of transfer [member] Member ifrs-full:TypesOfTransferMember
3454 Commercial mortgage backed security [member] Member bcs:CommercialMortgageBackedSecurityMember
3455 Disclosure of continuing involvement in derecognised financial assets [line items] LineItems ifrs-full:DisclosureOfContinuingInvolvementInDerecognisedFinancialAssetsLineItems
3456 Carrying amount Concept (Monetary) As Of Debit ifrs-full:RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets
3457 Fair value Concept (Monetary) As Of Debit ifrs-full:FairValueOfAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets
3458 Maximum exposure to loss Concept (Monetary) As Of ifrs-full:MaximumExposureToLossFromContinuingInvolvement
3459 Gain (loss) from continuing involvement for the year Concept (Monetary) For Period Credit ifrs-full:GainLossOfDerecognisedFinancialAssetsRepresentingGreatestTransferActivity
3460 Gain (loss) from continuing involvement, cumulative Concept (Monetary) For Period Credit ifrs-full:GainLossOfDerecognisedFinancialAssetsAtDateOfTransfer
3461 044001 - Disclosure - Assets pledged - Carrying amount of the assets pledged as security against liabilities (Details) Network

*

*

http://www.home.barclays/role/AssetsPledgedCarryingAmountOfTheAssetsPledgedAsSecurityAgainstLiabilitiesDetails
3462 Disclosure of offsetting of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesTable
3463 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3464 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3465 Cash collateral [member] Member ifrs-full:TradeReceivablesMember
3466 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3467 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3468 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
3469 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
3470 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
3471 Financial investments [member] Member bcs:FinancialInvestmentsMember
3472 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
3473 Disclosure of offsetting of financial liabilities [line items] LineItems ifrs-full:DisclosureOfOffsettingOfFinancialLiabilitiesLineItems
3474 Assets pledged Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
3475 044002 - Disclosure - Assets pledged - Fair value at the balance sheet date of collateral accepted and re-pledged to others (Details) Network

*

*

http://www.home.barclays/role/AssetsPledgedFairValueAtTheBalanceSheetDateOfCollateralAcceptedAndRepledgedToOthersDetails
3476 Implied Table Table

*

*

implied:Table
3477 Assets pledged Abstract bcs:AssetsPledgedAbstract
3478 Fair value of securities accepted as collateral Concept (Monetary) As Of Debit ifrs-full:AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue
3479 Of which fair value of securities re-pledged/transferred to others Concept (Monetary) As Of Debit ifrs-full:AssetsSoldOrRepledgedAsCollateralAtFairValue
3480 044003 - Disclosure - Assets Pledged (Narrative) (Details) Network

*

*

http://www.home.barclays/role/AssetsPledgedNarrativeDetails
3481 Disclosure of unconsolidated structured entities [table] Table

*

*

ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesTable
3482 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
3483 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
3484 Asset backed funding programmes [member] Member bcs:AssetBackedFundingProgrammesMember
3485 Disclosure of unconsolidated structured entities [line items] LineItems ifrs-full:DisclosureOfUnconsolidatedStructuredEntitiesLineItems
3486 Description of terms and conditions of financial assets pledged as collateral for liabilities or contingent liabilities Concept (Text/String) For Period ifrs-full:DescriptionOfTermAndConditionsOfFinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
3487 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
3488 044101 - Disclosure - Related party transactions and Directors' remuneration - Group's financial statements (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationGroupsFinancialStatementsDetails
3489 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
3490 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3491 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3492 Associates [member] Member ifrs-full:AssociatesMember
3493 Joint Ventures [member] Member ifrs-full:JointVenturesWhereEntityIsVenturerMember
3494 Pension funds [member] Member bcs:PensionFundsUnitTrustsAndInvestmentFundsMember
3495 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
3496 Total income Concept (Monetary) For Period Credit bcs:ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3497 Credit impairment charges and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3498 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
3499 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
3500 Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
3501 044102 - Disclosure - Related party transactions and Directors' remuneration - Loans and deposits outstanding (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationLoansAndDepositsOutstandingDetails
3502 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
3503 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3504 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3505 Key Management Personnel and persons connected to them [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
3506 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
3507 Loans outstanding beginning balance Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
3508 Loans issued during the year Concept (Monetary) For Period Debit ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties
3509 Loan repayments during the year/change of key management personnel Concept (Monetary) For Period Credit ifrs-full:CashRepaymentsOfAdvancesAndLoansFromRelatedParties
3510 Loan outstanding ending balance Concept (Monetary) As Of Debit ifrs-full:AmountsReceivableRelatedPartyTransactions
3511 Deposits outstanding beginning balance Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
3512 Deposits received during the year Concept (Monetary) For Period Debit ifrs-full:CashAdvancesAndLoansFromRelatedParties
3513 Deposits repaid during the year/change of key management personnel Concept (Monetary) For Period Credit bcs:CashRepaymentsOfAdvancesAndLoansToRelatedPartiesAndChangeOfKeyManagmentPersonnel
3514 Deposits oustanding ending balance Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
3515 044103 - Disclosure - Related party transactions and Directors' remuneration - Remuneration of Directors and other Key Management Personnel (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationRemunerationOfDirectorsAndOtherKeyManagementPersonnelDetails
3516 Implied Table Table

*

*

implied:Table
3517 Related party transactions and Directors' remuneration [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
3518 Salaries and other short-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
3519 Pension costs Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
3520 Other long-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
3521 Share-based payments Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
3522 Employer social security charges on emoluments Concept (Monetary) For Period Debit bcs:KeyManagementPersonnelCompensationSecurityChargesEmoluments
3523 Costs recognised for accounting purposes Concept (Monetary) For Period Debit bcs:KeyManagementPersonnelCompensationCostsRecognisedForAccountingPurposes
3524 Employer social security charges on emoluments Concept (Monetary) For Period Credit bcs:KeyManagementPersonnelCompensationSecurityChargesEmolumentsAwarded
3525 Other long-term benefits - difference between awards granted and costs recognised Concept (Monetary) For Period Credit bcs:KeyManagementPersonnelCompensationOtherLongtermBenefitsDifferenceBetweenAwardsGrantedAndCostsRecognised
3526 Share-based payments - difference between awards granted and costs recognised Concept (Monetary) For Period Credit bcs:KeyManagementPersonnelCompensationSharebasedPaymentsDifferenceBetweenAwardsGrantedAndCostsRecognised
3527 Total remuneration awarded Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
3528 044104 - Disclosure - Related party transactions and Directors' remuneration - Disclosure required by the Companies Act 2006 (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationDisclosureRequiredByTheCompaniesAct2006Details
3529 Implied Table Table

*

*

implied:Table
3530 Related party transactions and Directors' remuneration [abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
3531 Aggregate emoluments Concept (Monetary) For Period Debit bcs:AggregateEmolumentsCompainesAct2006
3532 Amounts paid under LTIPs Concept (Monetary) For Period Debit bcs:AmountsPaidUnderLTIPsCompaniesAct2006
3533 Total directors expense in accordance with companies act 2006 Concept (Monetary) For Period Debit bcs:DirectorsExpenseCompaniesAct2006
3534 044105 - Disclosure - Related party transactions and Directors' remuneration - Disclosure required by the Companies Act 2006 (Narrative) (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationDisclosureRequiredByTheCompaniesAct2006NarrativeDetails
3535 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
3536 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3537 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3538 Directors [member] Member bcs:DirectorsMember
3539 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3540 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3541 Deferred share value plan [member] Member bcs:DeferredShareValuePlanMember
3542 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
3543 Aggregate emoluments Concept (Monetary) For Period Debit bcs:AggregateEmolumentsCompainesAct2006
3544 044106 - Disclosure - Related party transactions and Directors' remuneration (Narrative) (Details) Network

*

*

http://www.home.barclays/role/RelatedPartyTransactionsAndDirectorsRemunerationNarrativeDetails
3545 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
3546 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3547 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3548 Key Management Personnel and persons connected to them [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
3549 Directors [member] Member bcs:DirectorsMember
3550 Directors and officers [member] Member bcs:DirectorsAndOfficersMember
3551 Joint Ventures [member] Member ifrs-full:JointVenturesWhereEntityIsVenturerMember
3552 Pension funds [member] Member bcs:PensionFundsUnitTrustsAndInvestmentFundsMember
3553 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
3554 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
3555 Ordinary share capital [member] Member ifrs-full:OrdinarySharesMember
3556 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3557 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3558 Others [member] Member bcs:OtherSchemesMember
3559 Sharesave [member] Member bcs:SharesaveMember
3560 Characteristics of defined benefit plans [axis] Axis ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
3561 Characteristics of defined benefit plans [member] Member ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
3562 Defined contribution schemes [member] Member ifrs-full:PostemploymentMedicalDefinedBenefitPlansMember
3563 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
3564 Guarantees, pledges or commitments, given Concept (Monetary) For Period ifrs-full:ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions
3565 Guarantees, pledges or commitments, received Concept (Monetary) For Period ifrs-full:ProvisionOfGuaranteesOrCollateralToEntityRelatedPartyTransactions
3566 Derivatives transacted Concept (Monetary) For Period Debit bcs:DerivativeTransactionsDuringPeriodRelatedPartyTransactions
3567 Allowances for impairment recognised Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
3568 Total commitments outstanding Concept (Monetary) As Of Credit ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions
3569 Settlement of liabilities by entity on behalf of related party Concept (Monetary) For Period ifrs-full:SettlementOfLiabilitiesByEntityOnBehalfOfRelatedPartyRelatedPartyTransactions
3570 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
3571 Accruing benefits under defined benefit scheme Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
3572 Number of employees (full time equivalent) Concept (Integer) As Of bcs:NumberOfEmployeesExpressedAsInteger
3573 Number of shares issued and fully paid Concept (Shares) As Of ifrs-full:NumberOfSharesIssuedAndFullyPaid
3574 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
3575 Percentage of ordinary share capital outstanding Concept (Percent) As Of bcs:PercentageOfOrdinaryShareCapitalOustanding
3576 Options to purchase shares held Concept (Shares) As Of bcs:NumberOfShareOptionsExercisableInSharebasedPaymentArrangementShares
3577 Share price Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
3578 Advances and credits available Concept (Monetary) For Period Debit ifrs-full:CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToRelatedParties
3579 Total value of guarantees entered into on behalf of Directors Concept (Monetary) For Period ifrs-full:CommitmentsMadeByEntityRelatedPartyTransactions
3580 044201 - Disclosure - Auditors' remuneration (Details) Network

*

*

http://www.home.barclays/role/AuditorsRemunerationDetails
3581 Auditors' Remuneration by services [table] Table

*

*

bcs:AuditorsRemunerationByServicesTable
3582 Auditors Remuneration By Services [Axis] Axis bcs:AuditorsRemunerationByServicesAxis
3583 All Type Of Auditors' Remuneration [member] Member bcs:AllTypeOfAuditorsRemunerationDomain
3584 Other audit related fees [member] Member bcs:OtherAuditRelatedFeesMember
3585 Other services [member] Member bcs:OtherAuditorServicesMember
3586 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3587 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3588 Subsidiaries [member] Member ifrs-full:SubsidiariesMember
3589 Auditors' Remuneration By Services [Line Items] LineItems bcs:AuditorsRemunerationByServicesLineItems
3590 Audit of the Group's annual accounts Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForAuditServices
3591 Other services Concept (Monetary) For Period Debit ifrs-full:AuditorsRemunerationForOtherServices
3592 Total Auditors' remuneration Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
3593 044202 - Disclosure - Auditors' remuneration (Narrative) (Details) Network

*

*

http://www.home.barclays/role/AuditorsRemunerationNarrativeDetails
3594 Auditors' Remuneration by services [table] Table

*

*

bcs:AuditorsRemunerationByServicesTable
3595 Name of auding companies [axis] Axis bcs:NameOfAudingCompaniesAxis
3596 Names Of Auditing Companies [member] Member bcs:NamesOfAuditingCompaniesDomain
3597 KPMG [member] Member bcs:KlynveldPeatMarwickGoerdelerMember
3598 PricewaterhouseCoopers LLP [member] Member bcs:PricewaterhousecoopersLlpMember
3599 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3600 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3601 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3602 Auditors' Remuneration By Services [Line Items] LineItems bcs:AuditorsRemunerationByServicesLineItems
3603 Auditors' remuneration Concept (Monetary) For Period Debit ifrs-full:AuditorsRemuneration
3604 044301 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities - Assets included in disposal groups classified as held for sale (Details) Network

*

*

http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleDetails
3605 Condensed Balance Sheet Statement [Table] Table

*

*

srt:CondensedBalanceSheetStatementTable
3606 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
3607 Assets and liabilities classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
3608 Held for sale [member] Member ifrs-full:DisposalGroupsClassifiedAsHeldForSaleMember
3609 Condensed Balance Sheet Statements, Captions [Line Items] LineItems srt:CondensedBalanceSheetStatementsCaptionsLineItems
3610 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3611 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
3612 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
3613 Assets included in disposal groups classified as held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
3614 044302 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities - Income statement (Details) Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesIncomeStatementDetails
3615 Condensed Income Statement [Table] Table

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*

srt:CondensedIncomeStatementTable
3616 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3617 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3618 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3619 Barclay's Africa Banking Group Limited (BAGL) [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3620 Condensed Income Statements, Captions [Line Items] LineItems srt:CondensedIncomeStatementsCaptionsLineItems
3621 Profit (loss) [abstract] Abstract ifrs-full:ProfitLossAbstract
3622 Net interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
3623 Net fees and commissions Concept (Monetary) For Period Credit ifrs-full:FeeAndCommissionIncomeExpense
3624 Net trading income Concept (Monetary) For Period Credit ifrs-full:TradingIncomeExpense
3625 Net investment income Concept (Monetary) For Period Credit bcs:InvestmentIncomeExpense
3626 Other income Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
3627 Total income Concept (Monetary) For Period Credit bcs:ProfitLossFromOperatingActivitiesBeforeInsuranceClaimsImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3628 Net claims and benefits incurred on insurance contracts Concept (Monetary) For Period Debit bcs:NetClaimsAndBenefitsIncurredOnInsuranceContracts
3629 Total income Concept (Monetary) For Period Credit bcs:ProfitLossFromOperatingActivitiesBeforeImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3630 Credit impairment (charges)/releases and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3631 Net operating income Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
3632 Staff costs Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
3633 Administration and general expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
3634 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
3635 Share of post-tax results of associates and joint ventures Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
3636 Profit (loss) before tax Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
3637 Taxation Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
3638 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
3639 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
3640 Equity holders of the parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3641 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
3642 Profit (loss) after tax Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
3643 044303 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities - Income statement (Narrative) (Details) Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesIncomeStatementNarrativeDetails
3644 Condensed Income Statement [Table] Table

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*

srt:CondensedIncomeStatementTable
3645 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3646 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3647 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3648 Barclay's Africa Banking Group Limited (BAGL) [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3649 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
3650 Carrying amount [member] Member ifrs-full:CarryingAmountMember
3651 Impairment charge [member] Member ifrs-full:AccumulatedImpairmentMember
3652 Condensed Income Statements, Captions [Line Items] LineItems srt:CondensedIncomeStatementsCaptionsLineItems
3653 Administration and general expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
3654 Total loss in respect of the discontinued operation Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
3655 Disposal of discontinued operation, net of cash disposed Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
3656 Other comprehensive income that may be recycled to profit or loss Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
3657 044304 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities - Other comprehensive Income (Details) Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesOtherComprehensiveIncomeDetails
3658 Condensed Statement of Comprehensive Income [Table] Table

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*

srt:CondensedStatementOfComprehensiveIncomeTable
3659 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3660 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3661 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3662 Barclay's Africa Banking Group Limited [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3663 Condensed Statement of Income Captions [Line Items] LineItems srt:CondensedStatementOfIncomeCaptionsLineItems
3664 Statement of comprehensive income Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
3665 Available for sale assets Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
3666 Currency translation reserves Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
3667 Cash flow hedge reserves Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
3668 Other comprehensive (loss)/income, net of tax from discontinued operations Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
3669 044305 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities - Cash flow (Details) Network

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*

http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesCashFlowDetails
3670 Condensed Cash Flow Statement [Table] Table

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*

srt:CondensedCashFlowStatementTable
3671 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3672 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3673 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3674 Barclay's Africa Banking Group Limited [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3675 Condensed Cash Flow Statements, Captions [Line Items] LineItems srt:CondensedCashFlowStatementsCaptionsLineItems
3676 Cash flows from continuing and discontinued operations [abstract] Abstract ifrs-full:CashFlowsFromContinuingAndDiscontinuedOperationsAbstract
3677 Net cash from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
3678 Net cash from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
3679 Net cash from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
3680 Effect of exchange rates on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
3681 Net increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
3682 044306 - Disclosure - Discontinued operations and assets included in disposal groups classified as held for sale and associated liabilities (Narrative) (Details) Network

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http://www.home.barclays/role/DiscontinuedOperationsAndAssetsIncludedInDisposalGroupsClassifiedAsHeldForSaleAndAssociatedLiabilitiesNarrativeDetails
3683 Disclosure of subsidiaries [table] Table

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*

ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
3684 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
3685 Aggregate continuing and discontinued operations [member] Member ifrs-full:AggregateContinuingAndDiscontinuedOperationsMember
3686 Discontinued operations [member] Member ifrs-full:DiscontinuedOperationsMember
3687 Barclay's Africa Banking Group Limited (BAGL) [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3688 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
3689 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
3690 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
3691 Assets and liabilities classified as held for sale [axis] Axis ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis
3692 Assets and liabilities classified as held for sale [member] Member ifrs-full:AssetsAndLiabilitiesClassifiedAsHeldForSaleMember
3693 Barclay's Africa Banking Group Limited (BAGL) [member] Member bcs:BarclaysAfricaBankingGroupLimitedMember
3694 Barclaycard US Receivables [member] Member bcs:BarclaycardUsReceivablesMember
3695 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
3696 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
3697 Head Office [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
3698 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3699 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3700 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
3701 Disclosure of subsidiaries [line items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
3702 Percentage of issued share capital Concept (Percent) As Of bcs:PercentageOfIssuedShareCapital
3703 044400 - Disclosure - Transition disclosures - Reconciliation of impairment allowance and provisions (Details) Network

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*

http://www.home.barclays/role/TransitionDisclosuresReconciliationOfImpairmentAllowanceAndProvisionsDetails
3704 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
3705 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3706 Currently stated [member] Member ifrs-full:RestatedMember
3707 Impairment allowance under IAS 39 or provision under IAS 37 [member] Member ifrs-full:PreviouslyStatedMember
3708 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3709 IFRSs 9 [member] Member bcs:IFRSs9Member
3710 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
3711 Carrying amount [member] Member ifrs-full:CarryingAmountMember
3712 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
3713 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3714 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3715 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
3716 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
3717 Available for sale investments [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
3718 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3719 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3720 Other assets [member] Member ifrs-full:OtherAssetsMember
3721 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3722 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3723 Financial assets at fair value through other comprehensive income, category [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
3724 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
3725 Other provisions [member] Member ifrs-full:OtherProvisionsMember
3726 Undrawn contractually committed facilities and guarantees [member] Member bcs:UndrawnContractuallyCommittedFacilitiesAndGuaranteesMember
3727 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
3728 On-balance sheet Abstract bcs:OnBalanceSheetAbstract
3729 Impairment allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
3730 Reclassification impact Concept (Monetary) For Period Debit ifrs-full:ReclassificationIntoFinancialAssetsAtFairValueThroughProfitOrLoss
3731 Additional impairment allowance Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
3732 Provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
3733 Additional provisions Concept (Monetary) For Period Credit ifrs-full:AdditionalProvisionsOtherProvisions
3734 Total impairment and provision Concept (Monetary) As Of Credit bcs:ImpairmentAndProvision
3735 Additional impairment allowance Concept (Monetary) For Period Credit bcs:AdditionalAllowanceRecognisedInProfitOrLoss
3736 044401 - Disclosure - Transition disclosures - Reconciliation of impairment allowance and provisions (Narrative) (Details) Network

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http://www.home.barclays/role/TransitionDisclosuresReconciliationOfImpairmentAllowanceAndProvisionsNarrativeDetails
3737 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

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*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
3738 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3739 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3740 Cash collateral and settlement balances [member] Member ifrs-full:TradeReceivablesMember
3741 Other assets [member] Member ifrs-full:OtherAssetsMember
3742 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3743 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3744 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
3745 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
3746 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3747 Currently stated [member] Member ifrs-full:RestatedMember
3748 Impairment allowance under IAS 39 or provision under IAS 37 [member] Member ifrs-full:PreviouslyStatedMember
3749 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3750 IFRSs 9 [member] Member bcs:IFRSs9Member
3751 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
3752 Additional impairment allowance Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
3753 044402 - Disclosure - Transition disclosures - Balance sheet movement - Assets, impact of transition to IFRS 9 and IFRS 15 (Details) Network

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http://www.home.barclays/role/TransitionDisclosuresBalanceSheetMovementAssetsImpactOfTransitionToIFRS9AndIFRS15Details
3754 Disclosure of financial assets at date of initial application of IFRS 9 [table] Table

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*

ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Table
3755 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3756 Currently stated [member] Member ifrs-full:RestatedMember
3757 Published IAS 39 [member] Member ifrs-full:PreviouslyStatedMember
3758 Balance sheet presentation changes Member ifrs-full:IncreaseDecreaseDueToVoluntaryChangesInAccountingPolicyMember
3759 IFRSs 9 [member] Member bcs:IFRSs9Member
3760 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3761 Increase (decrease) due to application of IFRS 15 [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
3762 IFRS 9 classification and measurement [member] Member bcs:Ifrs9ClassificationAndMeasurementMember
3763 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3764 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3765 Cash and bank balances at central banks [member] Member bcs:CashAndBankBalancesAtCentralBanksMember
3766 Items in the course of collection from other banks [member] Member bcs:ItemsInTheCourseOfCollectionFromOtherBanksMember
3767 Loans and advances to banks [member] Member bcs:LoansAndAdvancesToBanksMember
3768 Loans and advances to customers [member] Member bcs:LoansAndAdvancesToCustomersMember
3769 Cash collateral and settlement balances [member] Member ifrs-full:TradeReceivablesMember
3770 Reverse repurchase agreements and other similar secured lending [Member] Member bcs:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember
3771 Derivatives [member] Member ifrs-full:DerivativesMember
3772 Investments in associates and joint ventures [member] Member bcs:InvestmentsInAssociatesAndJointVenturesMember
3773 Goodwill and intangible assets [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
3774 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
3775 Current tax assets [member] Member bcs:CurrentTaxAssetsMember
3776 Deferred tax assets [member] Member bcs:DeferredTaxAssetsMember
3777 Retirement benefit assets [member] Member bcs:RetirementBenefitAssetsMember
3778 Prepayments, accrued income and other assets [member] Member bcs:PrepaymentsAccruedIncomeAndOtherAssetsMember
3779 Other assets [member] Member ifrs-full:OtherAssetsMember
3780 Assets included in disposal groups classified as held for sale [member] Member ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleMember
3781 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3782 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3783 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
3784 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
3785 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
3786 Financial investments [member] Member bcs:FinancialInvestmentsMember
3787 Financial investments, AFS - debt instruments [member] Member bcs:FinancialInvestmentsMeasurementCategoryAvailableForSaleDebtInstrumentsImmediatelyBeforeInitialApplicationOfIfrs9Member
3788 Financial investments, AFS - equity instruments [member] Member bcs:FinancialInvestmentsMeasurementCategoryAvailableForSaleEquityInstrumentsImmediatelyBeforeInitialApplicationOfIfrs9Member
3789 Financial investments, amortised cost [member] Member bcs:FinancialInvestmentsMeasurementCategoryAmortisedCostImmediatelyBeforeInitialApplicationOfIfrs9Member
3790 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
3791 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
3792 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
3793 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
3794 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
3795 Disclosure of financial assets at date of initial application of IFRS 9 [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9LineItems
3796 Assets [abstract] Abstract ifrs-full:AssetsAbstract
3797 IAS 39 measurement category, assets Concept (Text/String) For Period ifrs-full:FinancialAssetsMeasurementCategoryImmediatelyBeforeInitialApplicationOfIFRS9
3798 IFRS 9 measurement category, assets Concept (Text/String) For Period ifrs-full:FinancialAssetsMeasurementCategoryImmediatelyAfterInitialApplicationOfIFRS9
3799 Opening balance, IAS 39 carrying amount Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
3800 Amount of reclassifications or changes in presentation, assets Concept (Monetary) For Period Debit bcs:AmountOfReclassificationsOrChangesInPresentationAssets
3801 IFRS 9 impairment change Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
3802 Total, IFRS 9 carrying amount Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
3803 044403 - Disclosure - Transition disclosures - Balance sheet movement - Assets, impact of transition to IFRS 9 and IFRS 15 (Narrative) (Details) Network

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http://www.home.barclays/role/TransitionDisclosuresBalanceSheetMovementAssetsImpactOfTransitionToIFRS9AndIFRS15NarrativeDetails
3804 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
3805 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
3806 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
3807 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
3808 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
3809 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
3810 Transition disclosures [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
3811 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
3812 044404 - Disclosure - Transition disclosures - Balance sheet movement - Liabilities and Equity, impact of transition to IFRS 9 and IFRS 15 (Details) Network

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http://www.home.barclays/role/TransitionDisclosuresBalanceSheetMovementLiabilitiesAndEquityImpactOfTransitionToIFRS9AndIFRS15Details
3813 Disclosure of financial liabilities at date of initial application of IFRS 9 [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesAtDateOfInitialApplicationOfIFRS9Table
3814 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
3815 Liabilities [member] Member ifrs-full:LiabilitiesMember
3816 Deposits at amortised cost [member] Member bcs:DepositsAtAmortisedCostMember
3817 Deposits from banks [member] Member bcs:DepositsFromBanksMember
3818 Items in the course of collection from other banks [member] Member bcs:ItemsInTheCourseOfCollectionFromOtherBanksMember
3819 Customer accounts [member] Member bcs:CustomerAccountsMember
3820 Cash collateral and settlement balances [member] Member bcs:TradePayablesMember
3821 Repurchase agreements and other similar secured borrowing [member] Member bcs:RepurchaseAgreementsAndOtherSimilarSecuredBorrowingMember
3822 Debt securities in issue [member] Member bcs:DebtSecuritiesInIssueMember
3823 Subordinated liabilities [member] Member bcs:SubordinatedLiabilitiesMember
3824 Derivatives [member] Member ifrs-full:DerivativesMember
3825 Current tax liabilities [member] Member bcs:CurrentTaxLiabilitiesMember
3826 Deferred tax liabilities [member] Member bcs:DeferredTaxLiabilitiesMember
3827 Retirement benefit liabilities [member] Member bcs:RetirementBenefitLiabilitiesMember
3828 Accruals, deferred income and other liabilities [member] Member bcs:AccrualsDeferredIncomeAndOtherLiabilitiesMember
3829 Other liabilities [member] Member bcs:OtherLiabilitiesMember
3830 Provisions [member] Member ifrs-full:OtherProvisionsMember
3831 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
3832 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
3833 Trading portfolio liabilities [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember
3834 Financial liabilities designated at fair value [member] Member ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
3835 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
3836 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
3837 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
3838 Deposits at amortised cost [member] Member bcs:DepositsAtAmortisedCostMember
3839 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
3840 Equity [member] Member ifrs-full:EquityMember
3841 Called up share capital and share premium [member] Member bcs:IssuedCapitalAndSharePremiumMember
3842 Other reserves [member] Member ifrs-full:OtherReservesMember
3843 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
3844 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
3845 Total equity excluding non-controlling interests [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
3846 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
3847 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3848 Currently stated [member] Member ifrs-full:RestatedMember
3849 Published IAS 39 [member] Member ifrs-full:PreviouslyStatedMember
3850 Balance sheet presentation changes Member ifrs-full:IncreaseDecreaseDueToVoluntaryChangesInAccountingPolicyMember
3851 IFRSs 9 [member] Member bcs:IFRSs9Member
3852 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3853 IFRS 15 Impact [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
3854 IFRS 9 classification and measurement [member] Member bcs:Ifrs9ClassificationAndMeasurementMember
3855 Disclosure of financial liabilities at date of initial application of IFRS 9 [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesAtDateOfInitialApplicationOfIFRS9LineItems
3856 Liabilities Abstract ifrs-full:LiabilitiesAbstract
3857 IFRS 9 measurement category, liabilities Concept (Text/String) For Period ifrs-full:FinancialLiabilitiesMeasurementCategoryImmediatelyAfterInitialApplicationOfIFRS9
3858 IAS 39 measurement category, liabilities Concept (Text/String) For Period ifrs-full:FinancialLiabilitiesMeasurementCategoryImmediatelyBeforeInitialApplicationOfIFRS9
3859 Opening balance, IAS 39 carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
3860 Amount of reclassifications or changes in presentation, liabilities Concept (Monetary) For Period Credit bcs:AmountOfReclassificationsOrPresentationChangesLiabilities
3861 IFRS 9 impairment change Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInFinancialLiabilitiesArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
3862 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
3863 Equity Abstract ifrs-full:EquityAbstract
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3865 Amount of reclassifications or changes in presentation, equity Concept (Monetary) For Period Credit bcs:AmountOfReclassificationsOrChangesInPresentationEquity
3866 IFRS 9 impairment change Concept (Monetary) As Of Credit bcs:IncreaseDecreaseInEquityArisingFromChangeInMeasurementAttributeInitialApplicationOfIfrs9
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3871 IFRS 9 impairment change Concept (Monetary) As Of Credit bcs:IncreaseDecreaseInLiabilitiesAndEquityArisingFromChangeInMeasurementAttributeInitialApplicationOfIfrs9
3872 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit bcs:LiabilitiesAndEquityCarryingAmountImmediatelyAfterInitialApplicationOfIfrs9
3873 044405 - Disclosure - Transition disclosures - Classification and measurement detail - Financial assets (Details) Network

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*

http://www.home.barclays/role/TransitionDisclosuresClassificationAndMeasurementDetailFinancialAssetsDetails
3874 Disclosure of reclassifications or changes in presentation [table] Table

*

*

ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationTable
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3877 Increase (decrease) due to changes in accounting policy [member] Member ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
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3879 IFRSs 9 [member] Member bcs:IFRSs9Member
3880 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3881 IFRS 15 Impact [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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3893 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
3894 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
3895 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
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3899 Financial assets at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueMember
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3903 Cash collateral and settlement balances [member] Member ifrs-full:TradeReceivablesMember
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3910 Transfer in: Abstract bcs:TransferInAbstract
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3912 To financial assets designated at fair value Concept (Monetary) For Period Debit bcs:ReclassificationIntoFinancialAssetsDesignatedAtFairValue
3913 To financial assets mandatory at fair value Concept (Monetary) For Period Debit bcs:ReclassificationIntoFinancialAssetsMandatoryAtFairValue
3914 To financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit bcs:ReclassificationOfFinancialAssetsIntoMeasuredAtFairValueThroughOtherComprehensiveIncome
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3916 From loans and advances at amortised cost Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfLoansAndReceivables
3917 From financial assets designated at fair value Concept (Monetary) For Period Credit bcs:ReclassificationOutOfFinancialAssetsDesignatedAtFairValue
3918 From financial assets mandatory at fair value Concept (Monetary) For Period Credit bcs:ReclassificationOutOfFinancialAssetsMandatoryAtFairValue
3919 From available for sale (FV) Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfAvailableforsaleFinancialAssets
3920 From Held to maturity (AC) Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfHeldtomaturityInvestments
3921 Increase in expected credit losses - IFRS 9 impairment change Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
3922 Total, IFRS 9 carrying amount Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
3923 044406 - Disclosure - Transition disclosures - Classification and measurement detail - Financial liabilities (Details) Network

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*

http://www.home.barclays/role/TransitionDisclosuresClassificationAndMeasurementDetailFinancialLiabilitiesDetails
3924 Disclosure of reclassifications or changes in presentation [table] Table

*

*

ifrs-full:DisclosureOfReclassificationsOrChangesInPresentationTable
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3930 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3931 IFRS 15 Impact [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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3950 IFRS 9 impairment change Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInFinancialLiabilitiesArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
3951 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
3952 044407 - Disclosure - Transition disclosures - Classification and measurement detail - Equity (Details) Network

*

*

http://www.home.barclays/role/TransitionDisclosuresClassificationAndMeasurementDetailEquityDetails
3953 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
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3958 IFRSs 9 [member] Member bcs:IFRSs9Member
3959 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3960 IFRS 15 Impact [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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3962 Classification [member] Member bcs:ClassificationMember
3963 Measurement [member] Member bcs:MeasurementMember
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3966 Total equity excluding non-controlling interests [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
3967 Other reserves [member] Member ifrs-full:OtherReservesMember
3968 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
3969 Fair value through other comprehensive income reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
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3975 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit bcs:EquityCarryingAmountImmediatelyAfterInitialApplicationOfIfrs9
3976 044408 - Disclosure - Transition disclosures - Effects of the reclassification of financial assets and financial liabilities from IAS 39 categories into the amortised cost category under IFRS 9 (audited) (Details) Network

*

*

http://www.home.barclays/role/TransitionDisclosuresEffectsOfTheReclassificationOfFinancialAssetsAndFinancialLiabilitiesFromIAS39CategoriesIntoTheAmortisedCostCategoryUnderIFRS9auditedDetails
3977 Disclosure of financial assets at date of initial application of IFRS 9 [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Table
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3980 From available for sale financial assets under IAS 39 [member] Member ifrs-full:FinancialAssetsAvailableforsaleCategoryMember
3981 From financial assets at fair value through the income statement under IAS 39 [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
3982 Disclosure of financial assets at date of initial application of IFRS 9 [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9LineItems
3983 Disclosure of financial assets at date of initial application of IFRS 9 [abstract] Abstract ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Abstract
3984 Fair value Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedAsMeasuredAtAmortisedCostFirstApplicationOfIFRS9
3985 Fair value gain/(loss) that would have been recognised for the year ended 31 December 2018 in other comprehensive income if the financial assets had not been reclassified Concept (Monetary) For Period Credit ifrs-full:FairValueGainLossThatWouldHaveBeenRecognisedInProfitOrLossOrOtherComprehensiveIncomeIfFinancialAssetsHadNotBeenReclassifiedFirstApplicationOfIFRS9
3986 Effective interest rate determined on the date of initial application Concept (Percent) As Of ifrs-full:EffectiveInterestRateDeterminedOnDateOfReclassificationOfFinancialAssetsFirstApplicationOfIFRS9
3987 Interest expense recognised for the year ended 31 December 2018 Concept (Monetary) For Period Credit ifrs-full:InterestIncomeExpenseRecognisedForFinancialAssetsReclassifiedIntoMeasuredAtAmortisedCostFirstApplicationOfIFRS9
3988 044410 - Disclosure - Transition disclosures (Narrative) (Details) Network

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*

http://www.home.barclays/role/TransitionDisclosuresNarrativeDetails
3989 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
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3991 Currently stated [member] Member ifrs-full:RestatedMember
3992 Published IAS 39 [member] Member ifrs-full:PreviouslyStatedMember
3993 Increase (decrease) due to changes in accounting policy [member] Member ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
3994 Balance sheet presentation changes Member ifrs-full:IncreaseDecreaseDueToVoluntaryChangesInAccountingPolicyMember
3995 IFRSs 9 [member] Member bcs:IFRSs9Member
3996 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
3997 IFRS 15 Impact [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
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4000 Measurement [member] Member bcs:MeasurementMember
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4005 Financial investments (held to maturity) Member ifrs-full:HeldtomaturityInvestmentsCategoryMember
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4007 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
4008 Financial assets mandatorily at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
4009 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
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4011 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
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4021 Investments in associates and joint ventures [member] Member bcs:InvestmentsInAssociatesAndJointVenturesMember
4022 Deferred tax assets [member] Member bcs:DeferredTaxAssetsMember
4023 Disposal of assets [member] Member ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleMember
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4029 Financial liabilities at amortised cost [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
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4033 Cash collateral and settlement balances [member] Member bcs:TradePayablesMember
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4036 Equity [member] Member ifrs-full:EquityMember
4037 Total equity excluding non-controlling interests [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
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4039 Other reserves [member] Member ifrs-full:OtherReservesMember
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4041 Reconciliation of impairment allowance and provisions [abstract] Abstract bcs:ReconciliationOfImpairmentAllowanceAndProvisionsAbstract
4042 Increase (decrease) in impairment allowance Concept (Monetary) For Period Credit bcs:IncreaseDecreaseInImpairmentAllowance
4043 Impairment and provision Concept (Monetary) As Of Credit bcs:ImpairmentAndProvision
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4048 Transfer in: Abstract bcs:TransferInAbstract
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4050 To financial assets designated at fair value Concept (Monetary) For Period Debit bcs:ReclassificationIntoFinancialAssetsDesignatedAtFairValue
4051 To financial assets mandatory at fair value Concept (Monetary) For Period Debit bcs:ReclassificationIntoFinancialAssetsMandatoryAtFairValue
4052 To financial assets at fair value through the income statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationIntoFinancialAssetsAtFairValueThroughProfitOrLoss
4053 To financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit bcs:ReclassificationOfFinancialAssetsIntoMeasuredAtFairValueThroughOtherComprehensiveIncome
4054 Transfer out: Abstract bcs:TransferOutAbstract
4055 From loans and advances at amortised cost Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfLoansAndReceivables
4056 From financial assets designated at fair value Concept (Monetary) For Period Credit bcs:ReclassificationOutOfFinancialAssetsDesignatedAtFairValue
4057 From financial assets mandatory at fair value Concept (Monetary) For Period Credit bcs:ReclassificationOutOfFinancialAssetsMandatoryAtFairValue
4058 From financial assets at fair value through the income statement Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfFinancialAssetsAtFairValueThroughProfitOrLoss
4059 From available for sale (FV) Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfAvailableforsaleFinancialAssets
4060 From Held to maturity (AC) Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfHeldtomaturityInvestments
4061 IFRS 9 impairment change Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
4062 Total, IFRS 9 carrying amount Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
4063 Additional deferred tax assets Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInDeferredTaxLiabilityAsset
4064 Liabilities Abstract ifrs-full:LiabilitiesAbstract
4065 Opening balance, IAS 39 carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyBeforeInitialApplicationOfIFRS9
4066 Amount of reclassifications or changes in presentation, liabilities Concept (Monetary) For Period Credit bcs:AmountOfReclassificationsOrPresentationChangesLiabilities
4067 IFRS 9 impairment change Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInFinancialLiabilitiesArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
4068 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesCarryingAmountImmediatelyAfterInitialApplicationOfIFRS9
4069 Equity Abstract ifrs-full:EquityAbstract
4070 Opening balance, IAS 39 carrying amount Concept (Monetary) As Of Credit bcs:EquityCarryingAmountImmediatelyBeforeInitialApplicationOfIfrs9
4071 Amount of reclassifications or changes in presentation, equity Concept (Monetary) For Period Credit bcs:AmountOfReclassificationsOrChangesInPresentationEquity
4072 IFRS 9 impairment change Concept (Monetary) As Of Credit bcs:IncreaseDecreaseInEquityArisingFromChangeInMeasurementAttributeInitialApplicationOfIfrs9
4073 Total, IFRS 9 carrying amount Concept (Monetary) As Of Credit bcs:EquityCarryingAmountImmediatelyAfterInitialApplicationOfIfrs9
4074 Fair value Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedAsMeasuredAtAmortisedCostFirstApplicationOfIFRS9
4075 Fair value gain/(loss) that would have been recognised for the year ended 31 December 2018 in other comprehensive income if the financial assets had not been reclassified Concept (Monetary) For Period Credit ifrs-full:FairValueGainLossThatWouldHaveBeenRecognisedInProfitOrLossOrOtherComprehensiveIncomeIfFinancialAssetsHadNotBeenReclassifiedFirstApplicationOfIFRS9
4076 044501 - Disclosure - Barclays PLC (the Parent company) (Narrative) (Details) Network

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*

http://www.home.barclays/role/BarclaysPLCtheParentCompanyNarrativeDetails
4077 Disclosure of transactions between related parties [table] Table

*

*

ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
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4079 Consolidated Entities [Domain] Member srt:ConsolidatedEntitiesDomain
4080 Barclays PLC [member] Member srt:ParentCompanyMember
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4082 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4083 AT1 Securities [member] Member bcs:AdditionalTierOneSecuritiesMember
4084 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
4085 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
4086 Subordinated Notes [member] Member bcs:SubordinatedNotesMember
4087 Senior Notes [member] Member bcs:SeniorNotessMember
4088 Bonds [member] Member bcs:BondsMember
4089 Senior Debt [member] Member bcs:SeniorDebtMember
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4093 Fixed/Floating Interest Rate [member] Member bcs:FixedOrFloatingInterestRateMember
4094 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
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4097 Barclays Bank UK PLC [member] Member bcs:BarclaysBankUkPlcMember
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4100 Derivatives [member] Member ifrs-full:DerivativesMember
4101 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
4102 Equity [member] Member ifrs-full:EquityMember
4103 Called up share capital and share premium [member] Member bcs:IssuedCapitalAndSharePremiumMember
4104 Other equity instruments [member] Member ifrs-full:OtherEquityInterestMember
4105 Share premium [member] Member ifrs-full:SharePremiumMember
4106 Available for sale reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
4107 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
4108 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
4109 Currently stated [member] Member ifrs-full:RestatedMember
4110 Increase (decrease) due to changes in accounting policy required by IFRSs [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
4111 IFRSs 9 [member] Member bcs:IFRSs9Member
4112 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
4113 Dividend received from subsidiaries Concept (Monetary) For Period Credit ifrs-full:RevenueFromDividends
4114 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
4115 Investments in subsidiaries Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiaries
4116 Increase (decrease) in investments in subsidiaries Concept (Monetary) For Period Debit bcs:IncreaseDecreaseInInvestmentsInSubsidiaries
4117 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
4118 Debt instruments issued Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
4119 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4120 Description of arrangement for contingent consideration arrangements and indemnification assets Concept (Text/String) For Period ifrs-full:DescriptionOfArrangementForContingentConsiderationArrangementsAndIndemnificationAssets
4121 Capital reorganisation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
4122 Increase (decrease) in equity Concept (Monetary) For Period Credit ifrs-full:ChangesInEquity
4123 Effects of changes in accounting policies Concept (Monetary) For Period ifrs-full:AmountOfReclassificationsOrChangesInPresentation
4124 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
4125 044700 - Disclosure - Other disclosures - Risk Management and Principal Risks - Maximum exposure and effects of netting, collateral and risk transfer (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMaximumExposureAndEffectsOfNettingCollateralAndRiskTransferauditedDetails
4126 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
4127 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4128 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4129 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
4130 Loan commitments [member] Member ifrs-full:LoanCommitmentsMember
4131 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4132 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4133 Reverse repurchase agreements [member] Member bcs:ReverseRepurchaseAgreementsMember
4134 Other financial assets [member] Member bcs:OtherFinancialAssetsMember
4135 Derivative financial instruments [member] Member ifrs-full:DerivativesMember
4136 Traded loans [member] Member bcs:TradedLoansMember
4137 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4138 Home loans [member] Member ifrs-full:MortgagesMember
4139 Credit cards, unsecured and other retail lending [member] Member bcs:CreditCardsUnsecuredAndOtherRetailLendingMember
4140 Corporate loans [member] Member ifrs-full:CorporateLoansMember
4141 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4142 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4143 Financial assets at amortised cost, category [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
4144 Financial assets at fair value through the income statement [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
4145 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
4146 Trading portfolio assets [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember
4147 Financial investments [member] Member bcs:FinancialInvestmentsMember
4148 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
4149 Assets [member] Member ifrs-full:ClassesOfAssetsMember
4150 On-balance sheet [member] Member bcs:OnBalanceSheetAssetsMember
4151 Cash and bank balances at central banks [member] Member bcs:CashAndBankBalancesAtCentralBanksMember
4152 Cash collateral and settlement balances [member] Member ifrs-full:TradeReceivablesMember
4153 Reverse repurchase agreements and other similar secured lending [Member] Member bcs:ReverseRepurchaseAgreementsAndOtherSimilarSecuredLendingMember
4154 Other assets [member] Member ifrs-full:OtherAssetsMember
4155 Off-balance sheet [member] Member bcs:OffBalanceSheetAssetsMember
4156 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
4157 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
4158 Contingent liabilities [member] Member ifrs-full:ItemsOfContingentLiabilitiesMember
4159 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
4160 Risks [member] Member ifrs-full:TypesOfRisksMember
4161 Exposure to credit risk [member] Member ifrs-full:CreditRiskMember
4162 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4163 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4164 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4165 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
4166 Maximum Exposure Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
4167 Netting and set-off Concept (Monetary) As Of Credit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
4168 Cash collateral Concept (Monetary) As Of Credit ifrs-full:CashCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
4169 Non-cash collateral Concept (Monetary) As Of Credit bcs:NoncashCollateralReceivedSubjectToEnforceableMasterNettingArrangementsOrSimilarAgreementNotSetOffAgainstFinancialAssets
4170 Risk transfer Concept (Monetary) As Of Credit bcs:TransfersExposureToCreditRisk
4171 Net exposure Concept (Monetary) As Of Debit bcs:NetExposureToCreditRisk
4172 044701 - Disclosure - Other disclosures - Risk Management and Principal Risks - Loans and advances at amortised cost by stage (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksLoansAndAdvancesAtAmortisedCostByStageauditedDetails
4173 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4174 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4175 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4176 Loans and advances at amortised cost, including off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4177 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4178 Off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4179 Other financial assets subject to impairment [member] Member bcs:OtherFinancialAssetsSubjectToImpairmentMember
4180 Segments [axis] Axis ifrs-full:SegmentsAxis
4181 Segments [member] Member ifrs-full:SegmentsMember
4182 Reportable segments [member] Member ifrs-full:ReportableSegmentsMember
4183 Barclays UK [member] Member bcs:BarclaysUkMember
4184 Barclays International [member] Member bcs:BarclaysInternationalMember
4185 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
4186 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
4187 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
4188 Head Office [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
4189 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
4190 Assets [member] Member ifrs-full:ClassesOfAssetsMember
4191 Barclays Group Retail [member] Member bcs:BarclaysgroupretailmemberMember
4192 Barclays Group Wholesale [member] Member bcs:BarclaysGroupWholesaleMember
4193 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4194 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4195 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4196 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4197 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4198 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4199 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4200 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4201 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4202 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4203 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
4204 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4205 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4206 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4207 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4208 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
4209 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4210 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
4211 Coverage ratio Concept (Percent) As Of bcs:ImpairmentAllowanceCoverageRatio
4212 Credit impairment (charges)/releases and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
4213 Loan loss rate Concept (Percent) For Period bcs:LoanLossRate
4214 044702 - Disclosure - Other disclosures - Risk Management and Principal Risks - Loans and advances at amortised cost by stage (audited) (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksLoansAndAdvancesAtAmortisedCostByStageauditedNarrativeDetails
4215 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4216 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4217 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4218 Off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4219 Loans and advances at amortised cost, including off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4220 Other financial assets subject to impairment [member] Member bcs:OtherFinancialAssetsSubjectToImpairmentMember
4221 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4222 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4223 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
4224 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4225 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4226 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4227 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4228 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
4229 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4230 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4231 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4232 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4233 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4234 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4235 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4236 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4237 Exposure to credit risk on loan commitments and financial guarantee contracts Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4238 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
4239 044703 - Disclosure - Other disclosures - Risk Management and Principal Risks - Gross exposure for loans and advances at amortised cost (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksGrossExposureForLoansAndAdvancesAtAmortisedCostauditedDetails
4240 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4241 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4242 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4243 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4244 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4245 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4246 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4247 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4248 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4249 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4250 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4251 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4252 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4253 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4254 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4255 Other financial assets [member] Member bcs:OtherFinancialAssetsMember
4256 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
4257 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
4258 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
4259 Head Office [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
4260 Segments [axis] Axis ifrs-full:SegmentsAxis
4261 Segments [member] Member ifrs-full:SegmentsMember
4262 Reportable segments [member] Member ifrs-full:ReportableSegmentsMember
4263 Barclays UK [member] Member bcs:BarclaysUkMember
4264 Barclays International [member] Member bcs:BarclaysInternationalMember
4265 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4266 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4267 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4268 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4269 Loans and advances at amortised cost Abstract ifrs-full:IncreaseDecreaseInFinancialAssetsAbstract
4270 Impairment allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
4271 Net transfers between stages Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFinancialAssets
4272 Business activity in the year Concept (Monetary) For Period Debit ifrs-full:IncreaseThroughOriginationOrPurchaseFinancialAssets
4273 Net drawdowns and repayments Concept (Monetary) For Period Debit bcs:IncreaseDecreaseFromDrawdownsRepaymentsRiskParameterChangesAndOtherMovements
4274 Final repayements Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughDerecognitionFinancialAssets
4275 Disposals Concept (Monetary) For Period Credit bcs:DecreaseThroughDisposalFinancialAssets
4276 Write-offs Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughWriteoffFinancialAssets
4277 Impairment allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
4278 044704 - Disclosure - Other disclosures - Risk Management and Principal Risks - Impairment allowance on loans and advances at amortised cost (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksImpairmentAllowanceOnLoansAndAdvancesAtAmortisedCostauditedDetails
4279 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4280 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4281 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4282 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4283 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4284 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4285 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4286 Other financial assets [member] Member bcs:OtherFinancialAssetsMember
4287 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4288 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4289 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4290 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4291 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4292 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4293 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4294 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4295 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4296 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4297 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
4298 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4299 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4300 Off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4301 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4302 Loans and advances at amortised cost Abstract ifrs-full:IncreaseDecreaseInFinancialAssetsAbstract
4303 Impairment allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
4304 Net transfers between stages Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersFinancialAssets
4305 New business originated Concept (Monetary) For Period Debit ifrs-full:IncreaseThroughOriginationOrPurchaseFinancialAssets
4306 Net re-measurment arising from stage transfers/net drawdowns/repayments/risk parameter changes and other movements Concept (Monetary) For Period Debit bcs:IncreaseDecreaseFromDrawdownsRepaymentsRiskParameterChangesAndOtherMovements
4307 UK economic uncertainty adjustment Concept (Monetary) For Period Debit bcs:IncreaseDecreaseThroughUnitedKingdomEconomicUncertaintyFinancialAssets
4308 Final repayements Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughDerecognitionFinancialAssets
4309 Disposals Concept (Monetary) For Period Credit bcs:DecreaseThroughDisposalFinancialAssets
4310 Write-offs Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughWriteoffFinancialAssets
4311 Impairment allowance Concept (Monetary) As Of Credit ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
4312 Reconciliation of ECL movement to impairment (charge)/release for the period, Loans and advances at amortised cost Abstract ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract
4313 ECL movement excluding assets derecognised due to disposals and write-off Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets
4314 Net recoveries post write-offs Concept (Monetary) For Period ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
4315 Exchange and other adjustments Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughForeignExchangeAndOtherMovementsFinancialAssets
4316 Impairment release on loan commitments and financial guarantees Concept (Monetary) For Period Credit ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLoss
4317 Impairment charge on other financial assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
4318 Credit impairment charges and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
4319 044705 - Disclosure - Other disclosures - Risk Management and Principal Risks - Gross exposure for loan commitment and financial guarantees (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksGrossExposureForLoanCommitmentAndFinancialGuaranteesauditedDetails
4320 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4321 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4322 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4323 Loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4324 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4325 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4326 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4327 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4328 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4329 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4330 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4331 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4332 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4333 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4334 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4335 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4336 Loan commitments and financial guarantee contracts Abstract ifrs-full:IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract
4337 Opening/Beginning balance Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4338 Net transfers between stages Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4339 New business originated Concept (Monetary) For Period Credit ifrs-full:IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4340 Net drawdowns and repayments Concept (Monetary) For Period Credit bcs:IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4341 Final repayments Concept (Monetary) For Period Debit ifrs-full:DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4342 Disposals Concept (Monetary) For Period Debit bcs:DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4343 Write-offs Concept (Monetary) For Period Debit bcs:DecreaseThroughWriteOffExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4344 Closing/Ending balance Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4345 044706 - Disclosure - Other disclosures - Risk Management and Principal Risks - Provision on loan commitments and financial guarantees (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksProvisionOnLoanCommitmentsAndFinancialGuaranteesauditedDetails
4346 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4347 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4348 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4349 Loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4350 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4351 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4352 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4353 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4354 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4355 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4356 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4357 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4358 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4359 Loan commitments and financial guarantee contracts Abstract ifrs-full:IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsAbstract
4360 Opening/Beginning balance Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4361 Net transfers between stages Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4362 Business activity in the year Concept (Monetary) For Period Credit ifrs-full:IncreaseThroughOriginationOrPurchaseExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4363 Net drawdowns and repayments Concept (Monetary) For Period Credit bcs:IncreaseDecreaseInDrawdownsRepaymentsRiskParameterChangesAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4364 UK economic uncertainty adjustment Concept (Monetary) For Period Credit bcs:IncreaseDecreaseThroughUnitedKingdomEconomicUncertaintyExposureToCreditRiskOnLoanCommitmentsAndFinancialGuarantees
4365 Final repayments Concept (Monetary) For Period Debit ifrs-full:DecreaseThroughDerecognitionExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4366 Disposals Concept (Monetary) For Period Debit bcs:DecreaseThroughDisposalExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4367 Write-offs Concept (Monetary) For Period Debit bcs:DecreaseThroughWriteOffExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4368 Closing/Ending balance Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
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4372 Exchange and other adjustments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughForeignExchangeAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4373 Credit impairment charges and other provisions Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
4374 044710 - Disclosure - Other disclosures - Risk Management and Principal Risks - Loans and advances at amortised cost by product (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksLoansAndAdvancesAtAmortisedCostByProductauditedDetails
4375 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
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4400 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
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4405 044715 - Disclosure - Other disclosures - Risk Management and Principal Risks - Management adjustments to models for impairment - Portfolios that have management adjustments greater than GBP10m by product (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksManagementAdjustmentsToModelsForImpairmentPortfoliosThatHaveManagementAdjustmentsGreaterThanGBP10mByProductauditedDetails
4406 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4422 044719 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - Scenario probability weighting and Macroeconomic variables (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisScenarioProbabilityWeightingAndMacroeconomicVariablesauditedDetails
4423 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4443 044720 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - ECL under 100% weighted scenarios for key principal portfolios (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisECLUnder100WeightedScenariosForKeyPrincipalPortfoliosauditedDetails
4444 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4474 044721 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - Scenario probability weighting and Macroeconomic variables for UK Downward scenario (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisScenarioProbabilityWeightingAndMacroeconomicVariablesForUKDownwardScenarioauditedDetails
4475 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4499 044722 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - ECL under 100% weighted scenarios for key principal portfolios for UK Downward scenario (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisECLUnder100WeightedScenariosForKeyPrincipalPortfoliosForUKDownwardScenarioauditedDetails
4500 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4534 044723 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - Scenario probability weighting and Macroeconomic variables for US Downward scenario (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisScenarioProbabilityWeightingAndMacroeconomicVariablesForUSDownwardScenarioauditedDetails
4535 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4559 044724 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis - ECL under 100% weighted scenarios for key principal portfolios for US Downward scenario (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisECLUnder100WeightedScenariosForKeyPrincipalPortfoliosForUSDownwardScenarioauditedDetails
4560 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4593 044728 - Disclosure - Other disclosures - Risk Management and Principal Risks - Measurement uncertainty and sensitivity analysis (audited) (Narrative) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMeasurementUncertaintyAndSensitivityAnalysisauditedNarrativeDetails
4594 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
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4656 Transfers into Stage 2 Concept (Monetary) For Period Credit bcs:IncreaseDecreaseThroughTransfersIntoStageTwoFinancialAssets
4657 Weighted expected credit loss, uplift percentage Concept (Percent) For Period bcs:WeightedExpectedCreditLossUpliftPercentage
4658 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
4659 ECL movement excluding assets derecognised due to disposals and write-off Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets
4660 Total management adjustments to impairment allowances, including forbearance Concept (Monetary) As Of Debit bcs:ManagementAdjustmentsToAllowanceAccountForCreditLossesOfFinancialAssetsIncludingForbearance
4661 Increase (decrease) in coverage rates Concept (Percent) For Period bcs:IncreaseDecreaseInCoverageRates
4662 Coverage ratio Concept (Percent) As Of bcs:ImpairmentAllowanceCoverageRatio
4663 Increase (decrease) in transfers into stage 2 (from stage 1) Concept (Monetary) For Period Credit bcs:IncreaseDecreaseThroughTransfersToStageTwoToStageOneFinancialAssets
4664 Increase (decrease) in transfers into stage 2 (from stage 1), percentage Concept (Percent) For Period bcs:IncreaseDecreaseThroughTransfersToStageTwoFromStageOneFinancialAssetsPercentage
4665 Transfers out of Stage 2 (to stage 1) Concept (Monetary) For Period Debit bcs:IncreaseDecreaseThroughTransfersFromStageTwoToStateOneFinancialAssets
4666 Threshold expected credit losses Concept (Monetary) As Of Debit bcs:ThresholdImpairmentAllowance
4667 UK economic uncertainty adjustment Concept (Monetary) For Period Debit bcs:IncreaseDecreaseThroughUnitedKingdomEconomicUncertaintyFinancialAssets
4668 Additional impairment allowance Concept (Monetary) For Period ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
4669 044729 - Disclosure - Other disclosures - Risk Management and Principal Risks - Credit risk concentrations by geography (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCreditRiskConcentrationsByGeographyauditedDetails
4670 Disclosure of geographical areas [table] Table

*

*

ifrs-full:DisclosureOfGeographicalAreasTable
4671 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
4672 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
4673 United Kingdom [member] Member ifrs-full:CountryOfDomicileMember
4674 Europe [member] Member srt:EuropeMember
4675 Americas [member] Member srt:AmericasMember
4676 Africa and middle east [member] Member bcs:AfricaAndMiddleEastMember
4677 Asia [member] Member srt:AsiaMember
4678 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
4679 Risks [member] Member ifrs-full:TypesOfRisksMember
4680 Credit risk [member] Member ifrs-full:CreditRiskMember
4681 Disclosure of geographical areas [line items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
4682 On-balance sheet Abstract bcs:OnBalanceSheetAbstract
4683 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4684 Cash collateral and settlement balances Concept (Monetary) As Of Debit ifrs-full:BankAcceptanceAssets
4685 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
4686 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
4687 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
4688 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
4689 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4690 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4691 Financial investments - debt securities Concept (Monetary) As Of Debit bcs:FinancialInvestmentsDebtSecurities
4692 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
4693 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
4694 Off-balance sheet Abstract bcs:OffBalanceSheetAbstract
4695 Contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
4696 Loan commitments Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
4697 Total off-balance sheet Concept (Monetary) As Of Credit bcs:CommitmentsGiven
4698 Total Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
4699 044730 - Disclosure - Other disclosures - Risk Management and Principal Risks - Credit risk concentrations by industry (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCreditRiskConcentrationsByIndustryauditedDetails
4700 Disclosure of products and services [table] Table

*

*

ifrs-full:DisclosureOfProductsAndServicesTable
4701 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
4702 Products and services [member] Member ifrs-full:ProductsAndServicesMember
4703 Banks [member] Member bcs:BanksMember
4704 Other financial institutions [member] Member bcs:OtherFinancialInstitutionsMember
4705 Manufacturing [member] Member bcs:ManufacturingMember
4706 Construction and Property [member] Member bcs:ConstructionAndPropertyMember
4707 Government and central bank [member] Member bcs:GovernmentAndCentralBankMember
4708 Energy and water [member] Member bcs:EnergyAndWaterMember
4709 Wholesale and retail distribution and leisure [member] Member bcs:WholesaleAndRetailDistributionAndLeisureMember
4710 Business and other services [member] Member bcs:BusinessAndOtherServicesMember
4711 Home loans [member] Member ifrs-full:MortgagesMember
4712 Cards, unsecured loans and other personal lending [member] Member bcs:CardsUnsecuredLoansAndOtherPersonalLendingMember
4713 Other [member] Member bcs:OtherFinancialAssetsMember
4714 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
4715 Risks [member] Member ifrs-full:TypesOfRisksMember
4716 Credit risk [member] Member ifrs-full:CreditRiskMember
4717 Disclosure of products and services [line items] LineItems ifrs-full:DisclosureOfProductsAndServicesLineItems
4718 On-balance sheet Abstract bcs:OnBalanceSheetAbstract
4719 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4720 Cash collateral and settlement balance assets Concept (Monetary) As Of Debit ifrs-full:BankAcceptanceAssets
4721 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
4722 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
4723 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
4724 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
4725 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4726 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4727 Financial investments - debt securities Concept (Monetary) As Of Debit bcs:FinancialInvestmentsDebtSecurities
4728 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
4729 Assets Concept (Monetary) As Of Debit ifrs-full:Assets
4730 Off-balance sheet Abstract bcs:OffBalanceSheetAbstract
4731 Contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
4732 Loan commitments Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
4733 Total off-balance sheet Concept (Monetary) As Of Credit bcs:CommitmentsGiven
4734 Total Concept (Monetary) As Of ifrs-full:MaximumExposureToCreditRisk
4735 044731 - Disclosure - Other disclosures - Risk Management and Principal Risks - Credit risk concentrations by geography and industry (audited) (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCreditRiskConcentrationsByGeographyAndIndustryauditedNarrativeDetails
4736 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4737 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4738 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4739 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
4740 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4741 Exposure to credit risk on loan commitments and financial guarantee contracts Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4742 044735 - Disclosure - Other disclosures - Risk Management and Principal Risks - Balance sheet credit quality (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksBalanceSheetCreditQualityauditedDetails
4743 Disclosure of internal credit grades [table] Table

*

*

ifrs-full:DisclosureOfInternalCreditExposuresTable
4744 Internal credit grades [axis] Axis ifrs-full:InternalCreditGradesAxis
4745 Entity's total for internal credit grades [member] Member ifrs-full:EntitysTotalForInternalCreditGradesMember
4746 Internal credit grades [member] Member ifrs-full:InternalCreditGradesMember
4747 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4748 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4749 Debt securities [member] Member ifrs-full:DebtSecuritiesMember
4750 Traded loans [member] Member bcs:TradedLoansMember
4751 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4752 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4753 Reverse repurchase agreements [member] Member bcs:ReverseRepurchaseAgreementsMember
4754 Other financial assets [member] Member bcs:OtherFinancialAssetsMember
4755 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4756 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4757 Financial assets at amortised cost, category [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
4758 Home loans [member] Member ifrs-full:MortgagesMember
4759 Credit cards, unsecured and other retail lending [member] Member bcs:CreditCardsUnsecuredAndOtherRetailLendingMember
4760 Corporate loans [member] Member ifrs-full:CorporateLoansMember
4761 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4762 Probability of default [axis] Axis ifrs-full:ProbabilityOfDefaultAxis
4763 Entity's total for probability of default [member] Member ifrs-full:EntitysTotalForProbabilityOfDefaultMember
4764 0.0 to less than 0.60% [member] Member bcs:ProbabilityOfDefaultZeroToPointSixtyPercentMember
4765 0.60 to less than 11.35% [member] Member bcs:ProbabilityOfDefaultPointSixtyToElevenPointThreeFivePercentMember
4766 11.35% to 100% [member] Member bcs:ProbabilityOfDefaultElevenPointThreeFiveToOneHundredPercentMember
4767 Disclosure of internal credit grades [line items] LineItems ifrs-full:DisclosureOfInternalCreditExposuresLineItems
4768 On-balance sheet Abstract bcs:OnBalanceSheetAbstract
4769 Cash collateral and settlement balances Concept (Monetary) As Of Debit ifrs-full:BankAcceptanceAssets
4770 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4771 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
4772 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
4773 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
4774 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
4775 Financial assets designated at fair value Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
4776 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4777 Financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
4778 Financial investments - debt securities Concept (Monetary) As Of Debit bcs:FinancialInvestmentsDebtSecurities
4779 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
4780 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
4781 On-balance sheet, percentage Abstract bcs:OnBalanceSheetPercentageAbstract
4782 Cash and balances at central banks, percentage Concept (Percent) As Of bcs:CashAndBankBalancesAtCentralBanksPercentage
4783 Cash collateral and settlement balance, percentage Concept (Percent) As Of bcs:BankAcceptanceAssetsPercentage
4784 Loans and advances at amortised cost, percentage Concept (Percent) As Of bcs:LoansAndReceivablesPercentage
4785 Reverse repurchase agreements, percentage Concept (Percent) As Of bcs:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowedPercentage
4786 Trading portfolio assets, percentage Concept (Percent) As Of bcs:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingPercentage
4787 Financial assets at fair value through the income statement, percentage Concept (Percent) As Of bcs:FinancialAssetsAtFairValueThroughProfitOrLossPercentage
4788 Financial assets designated at fair value, percentage Concept (Percent) As Of bcs:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognitionPercentage
4789 Derivative financial instruments, percentage Concept (Percent) As Of bcs:DerivativeFinancialAssetsPercentage
4790 Financial assets at fair value through other comprehensive income, percentage Concept (Percent) As Of bcs:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomePercentage
4791 Financial investments - debt securities, percentage Concept (Percent) As Of bcs:FinancialInvestmentsDebtSecuritiesPercentage
4792 Other assets, percentage Concept (Percent) As Of bcs:OtherFinancialAssetsPercentage
4793 Total assets, percentage Concept (Percent) As Of bcs:AssetsPercentage
4794 Off-balance sheet Abstract bcs:OffBalanceSheetAbstract
4795 Contingent liabilities Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
4796 Loan commitments Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
4797 Total off-balance sheet Concept (Monetary) As Of Credit bcs:CommitmentsGiven
4798 Off-balance sheet percentage [abstract] Abstract bcs:OffBalanceSheetPercentageAbstract
4799 Contingent liabilities, percentage Concept (Percent) As Of bcs:ContingentLiabilitiesPercentage
4800 Loan commitments, percentage Concept (Percent) As Of bcs:GrossLoanCommitmentsPercentage
4801 Total off-balance sheet, percentage Concept (Percent) As Of bcs:CommitmentsGivenPercentage
4802 044740 - Disclosure - Other disclosures - Risk Management and Principal Risks - Credit exposures by internal PD grade (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCreditExposuresByInternalPDGradeauditedDetails
4803 Disclosure of internal credit grades [table] Table

*

*

ifrs-full:DisclosureOfInternalCreditExposuresTable
4804 Internal credit grades [axis] Axis ifrs-full:InternalCreditGradesAxis
4805 Entity's total for internal credit grades [member] Member ifrs-full:EntitysTotalForInternalCreditGradesMember
4806 Internal credit grades [member] Member ifrs-full:InternalCreditGradesMember
4807 Strong (including investment grade) [Member] Member bcs:StrongIncludingInvestmentGradeMember
4808 Satisfactory (BB+ to B) [member] Member bcs:SatisfactoryBbPlusToBMember
4809 Higher risk (B- and below) [member] Member bcs:HigherRiskBMinusAndBelowMember
4810 Probability of default [axis] Axis ifrs-full:ProbabilityOfDefaultAxis
4811 Entity's total for probability of default [member] Member ifrs-full:EntitysTotalForProbabilityOfDefaultMember
4812 0.0 to less than 0.60% [member] Member bcs:ProbabilityOfDefaultZeroToPointSixtyPercentMember
4813 0.60 to less than 11.35% [member] Member bcs:ProbabilityOfDefaultPointSixtyToElevenPointThreeFivePercentMember
4814 11.35% to 100% [member] Member bcs:ProbabilityOfDefaultElevenPointThreeFiveToOneHundredPercentMember
4815 100% [member] Member bcs:ProbabilityOfDefaultOneHundredPercentMember
4816 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
4817 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
4818 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
4819 Loan commitments [member] Member ifrs-full:LoanCommitmentsMember
4820 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4821 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4822 Loans and advances [member] Member ifrs-full:LoansAndReceivablesCategoryMember
4823 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4824 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4825 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4826 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4827 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4828 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4829 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
4830 Type of measurement of expected credit losses [axis] Axis ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
4831 Type of measurement of expected credit losses [member] Member ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
4832 ECL [member] Member bcs:ExpectedCreditLossesMember
4833 Stage 1 [member] Member ifrs-full:TwelvemonthExpectedCreditLossesMember
4834 Lifetime expected credit losses [member] Member ifrs-full:LifetimeExpectedCreditLossesMember
4835 Credit impairment of financial instruments [axis] Axis ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
4836 Credit impairment of financial instruments [member] Member ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
4837 Stage 2 [member] Member ifrs-full:FinancialInstrumentsNotCreditimpairedMember
4838 Credit Impaired - Stage 3 [member] Member ifrs-full:FinancialInstrumentsCreditimpairedMember
4839 Disclosure of internal credit grades [line items] LineItems ifrs-full:DisclosureOfInternalCreditExposuresLineItems
4840 Credit exposure Concept (Monetary) As Of ifrs-full:CreditExposure
4841 ECL coverage Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
4842 044741 - Disclosure - Other disclosures - Risk Management and Principal Risks - Credit exposures by internal PD grade (audited) (Narrative) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCreditExposuresByInternalPDGradeauditedNarrativeDetails
4843 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table] Table

*

*

ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
4844 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4845 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4846 Financial assets designated at fair value [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember
4847 Financial assets at amortised cost [member] Member ifrs-full:FinancialAssetsAtAmortisedCostMember
4848 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
4849 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
4850 Loans and advances at amortised cost, including off balance sheet loan commitments and financial guarantee contracts [member] Member bcs:LoansAndAdvancesAtAmortisedCostIncludingOffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
4851 Other financial assets subject to impairment [member] Member bcs:OtherFinancialAssetsSubjectToImpairmentMember
4852 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
4853 Carrying amount [member] Member ifrs-full:CarryingAmountMember
4854 Gross exposure [member] Member ifrs-full:GrossCarryingAmountMember
4855 Impairment allowance [member] Member ifrs-full:AccumulatedImpairmentMember
4856 Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [line items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
4857 Exposure to credit risk on loan commitments and financial guarantee contracts Concept (Monetary) As Of Credit ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
4858 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
4859 044745 - Disclosure - Other disclosures - Risk Management and Principal Risks - Derivative assets (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksDerivativeAssetsauditedDetails
4860 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
4861 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
4862 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
4863 Derivatives [member] Member ifrs-full:DerivativesMember
4864 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
4865 Risks [member] Member ifrs-full:TypesOfRisksMember
4866 Foreign exchange derivatives [member] Member ifrs-full:CurrencyRiskMember
4867 Interest rate derivatives [member] Member ifrs-full:InterestRateRiskMember
4868 Credit derivatives [member] Member ifrs-full:CreditRiskMember
4869 Equity and stock index derivatives [member] Member ifrs-full:EquityPriceRiskMember
4870 Commodity derivatives [member] Member ifrs-full:CommodityPriceRiskMember
4871 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
4872 Balance sheet assets Concept (Monetary) As Of Debit ifrs-full:NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
4873 Counterparty netting Concept (Monetary) As Of Credit ifrs-full:FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
4874 Net exposure Concept (Monetary) As Of Debit bcs:ExposureOfBalanceSheetAssets
4875 Cash collateral held Concept (Monetary) As Of Credit ifrs-full:CashCollateralReceivedSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets
4876 Net exposure less collateral Concept (Monetary) As Of Debit bcs:ExposureLessCollateral
4877 044750 - Disclosure - Other disclosures - Risk Management and Principal Risks - Management VaR (95%, one day) (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksManagementVaR95OneDayauditedDetails
4878 Disclosure of nature and extent of risks arising from financial instruments [table] Table

*

*

ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
4879 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
4880 Risks [member] Member ifrs-full:TypesOfRisksMember
4881 Value at risk [member] Member bcs:ValueAtRiskMember
4882 Credit risk [member] Member ifrs-full:CreditRiskMember
4883 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
4884 Equity price risk [member] Member ifrs-full:EquityPriceRiskMember
4885 Basis risk [member] Member bcs:BasisRiskMember
4886 Spread risk [member] Member bcs:SpreadRiskMember
4887 Foreign exchange risk [member] Member ifrs-full:CurrencyRiskMember
4888 Commodity risk [member] Member ifrs-full:CommodityPriceRiskMember
4889 Inflation risk [member] Member bcs:InflationRiskMember
4890 Diversification effect [member] Member ifrs-full:RiskDiversificationEffectMember
4891 Range [Axis] Axis ifrs-full:RangeAxis
4892 Ranges [member] Member ifrs-full:RangesMember
4893 Average [member] Member ifrs-full:WeightedAverageMember
4894 High [member] Member ifrs-full:TopOfRangeMember
4895 Low [member] Member ifrs-full:BottomOfRangeMember
4896 Disclosure of nature and extent of risks arising from financial instruments [line items] LineItems ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
4897 Methods used to measure risk Concept (Text/String) For Period ifrs-full:MethodsUsedToMeasureRisk
4898 Confidence level used to determine risk adjustment for non-financial risk Concept (Percent) As Of ifrs-full:ConfidenceLevelUsedToDetermineRiskAdjustmentForNonfinancialRisk
4899 Value at risk Concept (Monetary) As Of ifrs-full:ValueAtRisk
4900 044755 - Disclosure - Other disclosures - Risk Management and Principal Risks - Deposit funding (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksDepositFundingauditedDetails
4901 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
4902 Segments [axis] Axis ifrs-full:SegmentsAxis
4903 Segments [member] Member ifrs-full:SegmentsMember
4904 Reportable segments [member] Member ifrs-full:ReportableSegmentsMember
4905 Barclays UK [member] Member bcs:BarclaysUkMember
4906 Barclays International [member] Member bcs:BarclaysInternationalMember
4907 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
4908 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
4909 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
4910 Head Office [member] Member ifrs-full:EliminationOfIntersegmentAmountsMember
4911 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
4912 Loans and advances to customers Concept (Monetary) As Of Debit ifrs-full:LoansAndAdvancesToCustomers
4913 Deposits from customers Concept (Monetary) As Of Credit ifrs-full:DepositsFromCustomers
4914 Loan to deposit ratio Concept (Percent) As Of bcs:LoanToDepositRatio
4915 044760 - Disclosure - Other disclosures - Risk Management and Principal Risks - Contractural maturity of financial assets and liabilities (audited) (Details) Network

*

*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksContracturalMaturityOfFinancialAssetsAndLiabilitiesauditedDetails
4916 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
4917 Maturity [axis] Axis ifrs-full:MaturityAxis
4918 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
4919 On demand [member] Member ifrs-full:OnDemandMember
4920 Not more than three months [member] Member ifrs-full:NotLaterThanThreeMonthsMember
4921 Over three months but not more than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
4922 Over six months and not later than nine months [member] Member bcs:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
4923 Over nine months and not later than one year [member] Member bcs:LaterThanNineMonthsAndNotLaterThanOneYearMember
4924 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
4925 Later than two years and not later than three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
4926 Over three years but not more than five years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
4927 Over five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
4928 Over ten years [member] Member ifrs-full:LaterThanTenYearsMember
4929 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
4930 Assets [abstract] Abstract ifrs-full:AssetsAbstract
4931 Cash and balances at central banks Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
4932 Cash collateral and settlement balances Concept (Monetary) As Of Debit ifrs-full:BankAcceptanceAssets
4933 Loans and advances Concept (Monetary) As Of Debit ifrs-full:LoansAndReceivables
4934 Reverse repurchase agreements and other similar secured lending Concept (Monetary) As Of Debit ifrs-full:ReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed
4935 Trading portfolio assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
4936 Financial assets at fair value through the income statement Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
4937 Derivative financial instruments Concept (Monetary) As Of Debit ifrs-full:DerivativeFinancialAssets
4938 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
4939 Financial investments Concept (Monetary) As Of Debit bcs:FinancialInvestments
4940 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
4941 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
4942 Other assets Concept (Monetary) As Of Debit bcs:OtherAssetsIncludingAmountsHeldForSale
4943 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
4944 Liabilities [abstract] Abstract ifrs-full:LiabilitiesAbstract
4945 Deposits at amortised cost Concept (Monetary) As Of Credit bcs:DepositsAtAmortisedCost
4946 Cash collateral and settlement balances Concept (Monetary) As Of Credit ifrs-full:BankAcceptanceLiabilities
4947 Repurchase agreements and other similar secured borrowing Concept (Monetary) As Of Credit ifrs-full:RepurchaseAgreementsAndCashCollateralOnSecuritiesLent
4948 Debt securities in issue Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
4949 Subordinated liabilities Concept (Monetary) As Of Credit ifrs-full:SubordinatedLiabilities
4950 Trading portfolio liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
4951 Financial liabilities designated at fair value Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition
4952 Derivative financial liabilities Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
4953 Other financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherFinancialLiabilities
4954 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
4955 Other liabilities Concept (Monetary) As Of Credit bcs:OtherLiabilitiesIncludingAmountsHeldForSale
4956 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
4957 Cumulative liquidity gap Concept (Monetary) As Of Credit ifrs-full:Equity
4958 044765 - Disclosure - Other disclosures - Risk Management and Principal Risks - Contractural maturity of financial assets and liabilities (audited) (Narrative) (Details) Network

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*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksContracturalMaturityOfFinancialAssetsAndLiabilitiesauditedNarrativeDetails
4959 Implied Table Table

*

*

implied:Table
4960 Other disclosures - Risk Management and Principal Risks Abstract ifrs-full:DisclosureOfCreditRiskExposureAbstract
4961 Assets included in disposal groups held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
4962 Liabilities included in disposal groups classified as held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
4963 044770 - Disclosure - Other disclosures - Risk Management and Principal Risks - Contractural maturity of financial liabilities - undiscounted (audited) (Details) Network

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*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksContracturalMaturityOfFinancialLiabilitiesUndiscountedauditedDetails
4964 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
4965 Maturity [axis] Axis ifrs-full:MaturityAxis
4966 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
4967 On demand [member] Member ifrs-full:OnDemandMember
4968 Not more than three months [member] Member ifrs-full:NotLaterThanThreeMonthsMember
4969 Over three months but not more than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
4970 Over six months and not later than nine months [member] Member bcs:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
4971 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
4972 Over three years but not more than five years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
4973 Over five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
4974 Over ten years [member] Member ifrs-full:LaterThanTenYearsMember
4975 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
4976 Deposits at amortised cost, undiscounted Concept (Monetary) As Of Credit bcs:DepositsAtAmortisedCostUndiscountedCashFlows
4977 Cash collateral and settlement balances, undiscounted Concept (Monetary) As Of Credit bcs:CashCollateralAndSettlementBalanceLiabilitiesUndiscounted
4978 Repurchase agreements and other similar secured lending, undiscounted Concept (Monetary) As Of Credit bcs:RepurchaseAgreementsAndOtherSimilarSecuredLendingUndiscountedCashFlows
4979 Debt securities in issue, undiscounted Concept (Monetary) As Of Credit bcs:DebtSecuritiesInIssueUndiscountedCashFlows
4980 Subordinated liabilities, undiscounted Concept (Monetary) As Of Credit bcs:SubordinatedLiabilitiesUndiscountedCashFlows
4981 Trading portfolio liabilities, undiscounted Concept (Monetary) As Of Credit bcs:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingUndiscountedCashFlows
4982 Financial liabilities designated at fair value, undiscounted Concept (Monetary) As Of Credit bcs:FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognitionUndiscountedCashFlows
4983 Derivative financial instruments, undiscounted Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows
4984 Other financial liabilities, undiscounted Concept (Monetary) As Of Credit bcs:OtherFinancialLiabilitiesUndiscountedCashFlows
4985 Total financial liabilities, undiscounted cash flows Concept (Monetary) As Of Credit bcs:FinancialLiabilitiesUndiscountedCashFlows
4986 044775 - Disclosure - Other disclosures - Risk Management and Principal Risks - Maturity analysis of off-balance sheet commitments received (audited) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMaturityAnalysisOfOffbalanceSheetCommitmentsReceivedauditedDetails
4987 Disclosure of contingent liabilities [table] Table

*

*

ifrs-full:DisclosureOfContingentLiabilitiesTable
4988 Maturity [axis] Axis ifrs-full:MaturityAxis
4989 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
4990 On demand [member] Member ifrs-full:OnDemandMember
4991 Not more than three months [member] Member ifrs-full:NotLaterThanThreeMonthsMember
4992 Over three months but not more than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
4993 Over six months and not later than nine months [member] Member bcs:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
4994 Over nine months and not later than one year [member] Member bcs:LaterThanNineMonthsAndNotLaterThanOneYearMember
4995 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
4996 Later than two years and not later than three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
4997 Over three years but not more than five years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
4998 Over five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
4999 Over ten years [member] Member ifrs-full:LaterThanTenYearsMember
5000 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
5001 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
5002 O-ff Balance sheet commitments received [member] Member bcs:OffBalanceSheetCommitmentsReceivedMember
5003 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
5004 Guarantees, letters of credit and credit insurance Concept (Monetary) As Of Debit bcs:GuaranteesLettersOfCreditAndCreditInsurance
5005 Other commitments received Concept (Monetary) As Of Debit bcs:OtherCommitmentsReceived
5006 Total off-balance sheet commitments received Concept (Monetary) As Of ifrs-full:NotionalAmount
5007 044780 - Disclosure - Other disclosures - Risk Management and Principal Risks - Maturity analysis of off-balance sheet commitments given (audited) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksMaturityAnalysisOfOffbalanceSheetCommitmentsGivenauditedDetails
5008 Disclosure of contingent liabilities [table] Table

*

*

ifrs-full:DisclosureOfContingentLiabilitiesTable
5009 Maturity [axis] Axis ifrs-full:MaturityAxis
5010 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
5011 On demand [member] Member ifrs-full:OnDemandMember
5012 Not more than three months [member] Member ifrs-full:NotLaterThanThreeMonthsMember
5013 Over three months but not more than six months [member] Member ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
5014 Over six months and not later than nine months [member] Member bcs:LaterThanSixMonthsAndNotLaterThanNineMonthsMember
5015 Over nine months and not later than one year [member] Member bcs:LaterThanNineMonthsAndNotLaterThanOneYearMember
5016 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
5017 Later than two years and not later than three years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
5018 Over three years but not more than five years [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
5019 Over five years and not later than ten years [member] Member ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
5020 Over ten years [member] Member ifrs-full:LaterThanTenYearsMember
5021 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
5022 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
5023 Derivatives [member] Member ifrs-full:DerivativesMember
5024 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
5025 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
5026 Documentary credits and other short-term trade related transactions [Member] Member bcs:DocumentaryCreditsAndOtherShortTermTradeRelatedTransactionsMember
5027 Standby facilities, credit lines and other commitments [member] Member bcs:StandbyFacilitiesCreditLinesAndOtherCommitmentsMember
5028 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
5029 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
5030 Loan commitments and financial guarantee contracts [member] Member bcs:OffBalanceSheetLoanCommitmentsAndFinancialGuaranteeContractsMember
5031 Loan commitments [member] Member ifrs-full:LoanCommitmentsMember
5032 Financial guarantee contracts [member] Member ifrs-full:FinancialGuaranteeContractsMember
5033 Disclosure of contingent liabilities [line items] LineItems ifrs-full:DisclosureOfContingentLiabilitiesLineItems
5034 Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
5035 044790 - Disclosure - Other disclosures - Risk Management and Principal Risks - Capital resources (audited) (Details) Network

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*

http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksCapitalResourcesauditedDetails
5036 Disclosure of objectives, policies and processes for managing capital [table] Table

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*

ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
5037 Capital requirements [axis] Axis ifrs-full:CapitalRequirementsAxis
5038 Capital requirements [member] Member ifrs-full:CapitalRequirementsMember
5039 PRA transitional tier 1 capital [member] Member bcs:PraTransitionalTierOneCapitalMember
5040 Fully loaded Common Equity Tier 1 capital [member] Member bcs:FullyLoadedCommonEquityTierOneCapitalMember
5041 Transitional At1 capital [member] Member bcs:TransitionalAtOneCapitalMember
5042 Tier 2 (T2) Capital [member] Member bcs:TierTwoCapitalInstrumentsMember
5043 Disclosure of objectives, policies and processes for managing capital [line items] LineItems ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
5044 PRA transitional total regulatory capital, ratio Concept (Percent) As Of bcs:PraTransitionalRegulatoryCapitalRatio
5045 Capital resources [abstract] Abstract bcs:CaptialResourcesAbstract
5046 Total equity (excluding non-controlling interests) per the balance sheet Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
5047 Other equity instruments Concept (Monetary) As Of Credit ifrs-full:OtherEquityInterest
5048 Adjustment to retained earnings for foreseeable dividends Concept (Monetary) As Of Credit bcs:AdjustmentToRetainedEarningsForForeseeableDividends
5049 Minority interests (amount allowed in consolidated CET1) Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
5050 Additional value adjustments (PVA) Concept (Monetary) As Of Debit bcs:AdditionalValueAdjustmentsPva
5051 Goodwill and intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
5052 Deferred tax assets that rely on future profitability excluding temporary differences Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetWhenUtilisationIsDependentOnFutureTaxableProfitsInExcessOfProfitsFromReversalOfTaxableTemporaryDifferencesAndEntityHasSufferedLossInJurisdictionToWhichDeferredTaxAssetRelates
5053 Fair value reserves related to gains or losses on cash flow hedges Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
5054 Excess of expected losses over impairment Concept (Monetary) As Of Credit bcs:ExcessOfExpectedLossesOverImpairment
5055 Gains or losses on liabilities at fair value resulting from own credit Concept (Monetary) As Of Credit ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability
5056 Defined-benefit pension fund assets Concept (Monetary) As Of Debit ifrs-full:AssetsOfBenefitPlan
5057 Direct and indirect holdings by an institution of own CET1 instruments Concept (Monetary) As Of Debit bcs:DirectAndIndirectHoldingsByAnInstitutionOfOwnCet1Instruments
5058 Deferred tax assets arising from temporary differences (amount above 10% threshold) Concept (Monetary) As Of Debit bcs:DeferredTaxAssetsArisingFromTemporaryDifferencesAmountAboveTenPercentThreshold
5059 Qualifying capital (including minority interests) issued by subsidiaries Concept (Monetary) As Of Credit bcs:QualifyingCapitalIncludingMinorityInterestsIssuedBySubsidiaries
5060 Other regulatory adjustments and deductions Concept (Monetary) As Of Credit bcs:OtherRegulatoryAdjustmentsAndDeductions
5061 Adjustment under IFRS 9 transitional arrangements Concept (Monetary) As Of Credit bcs:AdjustmentUnderIfrs9TransitionalArrangements
5062 PRA transitional total regulatory capital Concept (Monetary) As Of Credit bcs:PraTransitionalRegulatoryCapital
5063 Risk weighted assets Concept (Monetary) As Of Debit bcs:RiskWeightedAssets
5064 044795 - Disclosure - Other disclosures - Risk Management and Principal Risks - Functional currency of the operations (audited) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksFunctionalCurrencyOfTheOperationsauditedDetails
5065 Disclosure of risk management strategy related to hedge accounting [table] Table

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*

ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
5066 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
5067 Risks [member] Member ifrs-full:TypesOfRisksMember
5068 Foreign exchange risk [member] Member ifrs-full:CurrencyRiskMember
5069 USD foreign operations Member currency:USD
5070 EUR foreign operations Member currency:EUR
5071 ZAR foreign operations Member currency:ZAR
5072 JPY foreign operations Member currency:JPY
5073 Other [member] Member bcs:OtherCurrencyMember
5074 Disclosure of risk management strategy related to hedge accounting [line items] LineItems ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
5075 Foreign currency net investments, hedged item Concept (Monetary) As Of Debit bcs:ForeignCurrencyNetInvestmentsHedgedItem
5076 Borrowings which hedge net investments Concept (Monetary) As Of Credit bcs:BorrowingsWhichHedgeNetInvestmentsHedges
5077 Derivatives which hedge the net investments Concept (Monetary) As Of Credit bcs:DerivativesWhichHedgeTheNetInvestmentsHedges
5078 Structural currency exposures pre-economic hedges Concept (Monetary) As Of Debit bcs:StructuralCurrencyExposuresBeforeHedgingInstruments
5079 Economic hedges Concept (Monetary) As Of ifrs-full:FinancialInstrumentsDesignatedAsHedgingInstrumentsAtFairValue
5080 Remaining structural currency exposures Concept (Monetary) As Of Debit bcs:StructuralCurrencyExposuresNetOfHedgingInstruments
5081 044796 - Disclosure - Other disclosures - Risk Management and Principal Risks - Functional currency of the operations (audited) (Narrative) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksFunctionalCurrencyOfTheOperationsauditedNarrativeDetails
5082 Disclosure of risk management strategy related to hedge accounting [table] Table

*

*

ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
5083 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
5084 Risks [member] Member ifrs-full:TypesOfRisksMember
5085 Foreign exchange risk [member] Member ifrs-full:CurrencyRiskMember
5086 USD foreign operations Member currency:USD
5087 EUR foreign operations Member currency:EUR
5088 Other [member] Member bcs:OtherCurrencyMember
5089 Disclosure of risk management strategy related to hedge accounting [line items] LineItems ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
5090 Increase (decrease) in structural currency exposures, net of hedging instruments Concept (Monetary) For Period Credit bcs:IncreaseDecreaseInStructuralCurrencyExposuresNetOfHedgingInstruments
5091 Structural currency exposures, net of hedging instruments Concept (Monetary) As Of Debit bcs:StructuralCurrencyExposuresNetOfHedgingInstruments
5092 Increase (decrease) in foreign currency net investments, hedged item Concept (Monetary) For Period Debit bcs:IncreaseDecreaseInForeignCurrencyNetInvestmentsHedgedItem
5093 Foreign currency net investments, hedged item Concept (Monetary) As Of Debit bcs:ForeignCurrencyNetInvestmentsHedgedItem
5094 Financial instruments which hedge net investments, Hedges Concept (Monetary) As Of Credit bcs:FinancialInstrumentsWhichHedgeTheNetInvestmentsHedges
5095 Increase (decrease) in financial instruments which hedge net investments, Hedges Concept (Monetary) For Period Credit bcs:IncreaseDecreaseInFinancialInstrumentsWhichHedgeNetInvestmentsHedges
5096 044797 - Disclosure - Other disclosures - Risk Management and Principal Risks - Interest Income sensitivity (AEaR) by business unit (audited) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksInterestIncomeSensitivityAEaRByBusinessUnitauditedDetails
5097 Disclosure of operating segments [table] Table

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*

ifrs-full:DisclosureOfOperatingSegmentsTable
5098 Segments [axis] Axis ifrs-full:SegmentsAxis
5099 Segments [member] Member ifrs-full:SegmentsMember
5100 Reportable segments [member] Member ifrs-full:ReportableSegmentsMember
5101 Barclays UK [member] Member bcs:BarclaysUkMember
5102 Barclays International [member] Member bcs:BarclaysInternationalMember
5103 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
5104 Risks [member] Member ifrs-full:TypesOfRisksMember
5105 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
5106 Risk exposures [axis] Axis ifrs-full:RiskExposuresAxis
5107 Risk exposures [member] Member ifrs-full:RiskExposuresMember
5108 +100bps [member] Member bcs:OneHundredBasisPointsSensitivityAnalysisMember
5109 +/- 25bps [member] Member bcs:TwentyFiveBasisPointsSensitivityAnalysisMember
5110 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
5111 Net interest income sensitivity (AEaR), increase Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleIncreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5112 Net interest income sensitivity (AEaR), decrease Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleDecreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5113 044798 - Disclosure - Other disclosures - Risk Management and Principal Risks - Interest Income sensitivity (AEaR) by business unit (audited) (Narrative) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksInterestIncomeSensitivityAEaRByBusinessUnitauditedNarrativeDetails
5114 Disclosure of operating segments [table] Table

*

*

ifrs-full:DisclosureOfOperatingSegmentsTable
5115 Segments [axis] Axis ifrs-full:SegmentsAxis
5116 Segments [member] Member ifrs-full:SegmentsMember
5117 Treasury operations [member] Member bcs:TreasuryOperationsMember
5118 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
5119 Risks [member] Member ifrs-full:TypesOfRisksMember
5120 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
5121 Risk exposures [axis] Axis ifrs-full:RiskExposuresAxis
5122 Risk exposures [member] Member ifrs-full:RiskExposuresMember
5123 +/- 25bps [member] Member bcs:TwentyFiveBasisPointsSensitivityAnalysisMember
5124 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
5125 Description of methods and assumptions used in preparing sensitivity analysis to changes in risk exposures Concept (Text/String) For Period ifrs-full:DescriptionOfMethodsAndAssumptionsUsedInPreparingSensitivityAnalysisToChangesInRiskExposuresThatAriseFromContractsWithinScopeOfIFRS17
5126 Net interest income sensitivity (AEaR), increase Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleIncreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5127 Net interest income sensitivity (AEaR), decrease Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleDecreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5128 044799 - Disclosure - Other disclosures - Risk Management and Principal Risks - Analysis of equity sensitivity (audited) (Details) Network

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http://www.home.barclays/role/OtherDisclosuresRiskManagementAndPrincipalRisksAnalysisOfEquitySensitivityauditedDetails
5129 Disclosure of sensitivity analysis to changes in risk exposures that arise from contracts within scope of IFRS 17 [table] Table

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*

ifrs-full:DisclosureOfSensitivityAnalysisToChangesInRiskExposuresThatAriseFromContractsWithinScopeOfIFRS17Table
5130 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
5131 Risks [member] Member ifrs-full:TypesOfRisksMember
5132 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
5133 Risk exposures [axis] Axis ifrs-full:RiskExposuresAxis
5134 Risk exposures [member] Member ifrs-full:RiskExposuresMember
5135 +/- 25bps [member] Member bcs:TwentyFiveBasisPointsSensitivityAnalysisMember
5136 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
5137 Equity [member] Member ifrs-full:EquityMember
5138 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
5139 Taxation effects on the above [member] Member bcs:TaxExpenseIncomeMember
5140 Available for sale reserve [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
5141 Reserve of cash flow hedges [member] Member ifrs-full:ReserveOfCashFlowHedgesMember
5142 Equity [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
5143 Disclosure of sensitivity analysis to changes in risk exposures that arise from contracts within scope of IFRS 17 [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisToChangesInRiskExposuresThatAriseFromContractsWithinScopeOfIFRS17LineItems
5144 Effect on profit for the year, increase Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleIncreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5145 Effect on profit for the year, decrease Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInProfitLossDueToReasonablyPossibleDecreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5146 As percentage, increase Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleIncreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5147 As percentage, decrease Concept (Percent) As Of ifrs-full:PercentageOfReasonablyPossibleDecreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5148 Effect on equity, increase Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInEquityDueToReasonablyPossibleIncreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17
5149 Effect on equity, decrease Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInEquityDueToReasonablyPossibleDecreaseInRiskExposureThatArisesFromContractsWithinScopeOfIFRS17

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*