| Fakt | Wert | Zeit | Quelle |
|---|
| cash_and_equivalents | {"amount": 432887000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2025-12-31 | esef |
| cash_and_equivalents | {"amount": 434940000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2024-12-31 | esef |
| cash_and_equivalents | {"amount": 490933000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2023-12-31 | esef |
| cash_and_equivalents | {"amount": 521671000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-12-31 | esef |
| cash_and_equivalents | {"amount": 574032000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-12-31 | esef |
| cash_and_equivalents | {"amount": 468323000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-12-31 | esef |
| cash_and_equivalents | {"amount": 293742000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2019-12-31 | esef |
| cash_and_equivalents | {"amount": 312911000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2018-12-31 | esef |
| cashflow_financing | {"amount": -21961000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2025-12-31 | esef |
| cashflow_financing | {"amount": -26459000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2024-12-31 | esef |
| cashflow_financing | {"amount": -17558000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2023-12-31 | esef |
| cashflow_financing | {"amount": -6286000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-12-31 | esef |
| cashflow_financing | {"amount": -10794000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_financing | {"amount": -4643000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2020-12-31 | esef |
| cashflow_financing | {"amount": -14842000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2019-12-31 | esef |
| cashflow_investing | {"amount": 27536000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_investing | {"amount": -37068000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2025-12-31 | esef |
| cashflow_investing | {"amount": -76564000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2024-12-31 | esef |
| cashflow_investing | {"amount": -62912000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2023-12-31 | esef |
| cashflow_investing | {"amount": -34480000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": -22430000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2020-12-31 | esef |
| cashflow_investing | {"amount": -35318000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2019-12-31 | esef |
| cashflow_operating | {"amount": 29766000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2025-12-31 | esef |
| cashflow_operating | {"amount": 65305000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2024-12-31 | esef |
| cashflow_operating | {"amount": 39111000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2023-12-31 | esef |
| cashflow_operating | {"amount": 104312000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": 26434000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-12-31 | esef |
| cashflow_operating | {"amount": 182220000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2020-12-31 | esef |
| cashflow_operating | {"amount": 29743000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2019-12-31 | esef |
| entity_legal_form | {"value": "B6ES", "elf_code": "B6ES"} | | gleif |
| eps_basic | {"amount": 1.21, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2025-12-31 | esef |
| eps_basic | {"amount": 1.25, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_basic | {"amount": 1.15, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_basic | {"amount": 0.62, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_basic | {"amount": 0.75, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-12-31 | esef |
| eps_basic | {"amount": 0.19, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2020-12-31 | esef |
| eps_basic | {"amount": 0.3, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2019-12-31 | esef |
| eps_diluted | {"amount": 1.2, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2025-12-31 | esef |
| eps_diluted | {"amount": 1.24, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_diluted | {"amount": 1.14, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_diluted | {"amount": 0.62, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_diluted | {"amount": 0.74, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2022-12-31 | esef |
| eps_diluted | {"amount": 0.19, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2020-12-31 | esef |
| eps_diluted | {"amount": 0.3, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2019-12-31 | esef |
| headquarters_address | {"city": "LONDON", "region": "GB-LND", "street": "8 CANADA SQUARE", "country": "GB", "form | | gleif |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": -23393000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": -20662000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": -9994000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvances | {"amount": -74071000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvances | {"amount": 7275000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvances | {"amount": -14145000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -38389000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 7685000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -10254000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 19899000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -10771000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -19610000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -21863000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -32342000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -4227000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -2095000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -23405000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": 552000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": 9950000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -7390000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 4916000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 4080000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 3466000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 4286000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 3873000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 5241000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 10519000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -700000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -1000000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": 800000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -3100000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": 1000000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -1100000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -1400000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": -93000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": -1704000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 1775000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": -2639000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 929000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 4170000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 3674000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 3717000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": -519000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 3907000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 9096000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 3012000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued | {"amount": -5613000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued | {"amount": 11942000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDebtInstrumentsIssued | {"amount": 11945000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDeposits | {"amount": 168907000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDeposits | {"amount": 44237000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDeposits | {"amount": 45021000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": 46129000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": -2248000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently | {"amount": 10097000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 4098000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": -1603000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 8742000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": -10935000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 15978000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 20323000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 23124000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 24094000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 8700000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 43366000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 4344000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 14769000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": -28443000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": -25540000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 2103000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 299000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 266000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 1063000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 635000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 1164000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 2423000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 621000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 529000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 482000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 400000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 467000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 433000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 478000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -34682000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 26734000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -10678000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 18937000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 49127000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -25749000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -3742000000.0} | 2019-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 2235000000.0} | 2024-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 1827000000.0} | 2023-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 1438000000.0} | 2021-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 1716000000.0} | 2022-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 2519000000.0} | 2020-12-31 | esef |
| ifrs:AmortisationIntangibleAssetsOtherThanGoodwill | {"amount": 1070000000.0} | 2019-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 19000000.0} | 2025-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 6000000.0} | 2024-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -59000000.0} | 2023-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 49000000.0} | 2021-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -67000000.0} | 2022-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -48000000.0} | 2020-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -109000000.0} | 2019-12-31 | esef |
| ifrs:Assets | {"amount": 3233034000000.0} | 2025-12-31 | esef |
| ifrs:Assets | {"amount": 3017048000000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 3038677000000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 2966530000000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 2957939000000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 2984164000000.0} | 2020-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 71790000000.0} | 2025-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 58290000000.0} | 2024-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 64341000000.0} | 2023-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 68682000000.0} | 2022-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 76658000000.0} | 2021-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 65086000000.0} | 2020-12-31 | esef |
| ifrs:BankingArrangementsClassifiedAsCashEquivalents | {"amount": 65370000000.0} | 2019-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 1.21} | 2025-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 1.25} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 1.15} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.62} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.75} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.19} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.3} | 2019-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": 0.0} | 2025-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": -2004000000.0} | 2021-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": -1000000000.0} | 2022-12-31 | esef |
| ifrs:CancellationOfTreasuryShares | {"amount": -1000000000.0} | 2019-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 242859000000.0} | 2025-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 267674000000.0} | 2024-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 285868000000.0} | 2023-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 327002000000.0} | 2022-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 403018000000.0} | 2021-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 304481000000.0} | 2020-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 154099000000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 432887000000.0} | 2025-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 434940000000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 490933000000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 521671000000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 574032000000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 468323000000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 293742000000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 312911000000.0} | 2018-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 387000000.0} | 2025-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 2039000000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 15935000000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 8087000000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -21961000000.0} | 2025-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -26459000000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -17558000000.0} | 2023-12-31 | esef |