| Fact | Value | Period | Source |
|---|
| cashflow_financing | {"amount": -30000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_financing | {"amount": 470000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2020-12-31 | esef |
| cashflow_investing | {"amount": 2379000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_investing | {"amount": -1669000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2020-12-31 | esef |
| cashflow_operating | {"amount": 6834000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": -669000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2020-12-31 | esef |
| controlled_by | {"lei": "MLU0ZO3ML4LN2LL2TL39", "meaning": "oberste Konsolidierung (Konzernspitze)", "enti | | gleif |
| entity_legal_form | {"value": "QVPB", "elf_code": "QVPB"} | | gleif |
| eps_basic | {"amount": -2.47, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2025-12-31 | esef |
| eps_basic | {"amount": 2.65, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_basic | {"amount": 4.17, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_basic | {"amount": -7.3, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-12-31 | esef |
| eps_basic | {"amount": 2.74, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_basic | {"amount": -10.43, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2020-12-31 | esef |
| eps_diluted | {"amount": -2.47, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2025-12-31 | esef |
| eps_diluted | {"amount": 2.65, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_diluted | {"amount": 4.17, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_diluted | {"amount": -7.3, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2022-12-31 | esef |
| eps_diluted | {"amount": 2.74, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_diluted | {"amount": -10.43, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2020-12-31 | esef |
| headquarters_address | {"city": "PARIS", "region": "FR-IDF", "street": "38 AVENUE KLÉBER", "country": "FR", "form | | gleif |
| ifrs:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability | {"amount": -59000000.0} | 2021-12-31 | esef |
| ifrs:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability | {"amount": -62000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 2397000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 900000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -7920000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 6856000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 6683000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -7279000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -4248000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -3931000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": -5921000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": 6022000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": 3849000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInReverseRepurchaseAgreementsAndCashCollateralOnSecuritiesBorrowed | {"amount": 13299000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 185000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 96000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 37000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 37000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 81000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 649000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 149000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill | {"amount": 504000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 118000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -189000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -429000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -65000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -40000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -71000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": 3500000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": -2613000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": -5458000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": 1573000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": -2854000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables | {"amount": 3420000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 2142000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 1191000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": 4498000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": -2077000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": -2253000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInRepurchaseAgreementsAndCashCollateralOnSecuritiesLent | {"amount": -9229000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 297000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 9000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 33000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 105000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 4000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 254000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": 1419000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": -337000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": 443000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": -130000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": -433000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForReconcileProfitLoss | {"amount": 1699000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 26000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 22000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 15000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 21000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 15000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForSharebasedPayments | {"amount": 13000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 967000000.0} | 2025-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -490000000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 242000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -319000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -389000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": 383000000.0} | 2020-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 76000000.0} | 2025-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 35000000.0} | 2024-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 23000000.0} | 2023-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 2000000.0} | 2022-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 6000000.0} | 2021-12-31 | esef |
| ifrs:AmortisationExpense | {"amount": 320000000.0} | 2020-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 7000000.0} | 2025-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -4000000.0} | 2024-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 1000000.0} | 2023-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": -9000000.0} | 2022-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 18000000.0} | 2021-12-31 | esef |
| ifrs:AmountsRemovedFromEquityAndAdjustedAgainstFairValueOfFinancialAssetsOnReclassificationOutOfFairValueThroughOtherComprehensiveIncomeMeasurementCategoryBeforeTax | {"amount": 6000000.0} | 2020-12-31 | esef |
| ifrs:Assets | {"amount": 251391000000.0} | 2025-12-31 | esef |
| ifrs:Assets | {"amount": 265008000000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 282977000000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 279684000000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 222664000000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 237099000000.0} | 2020-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 58092000000.0} | 2025-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 48907000000.0} | 2024-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 56894000000.0} | 2023-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 59734000000.0} | 2022-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 38063000000.0} | 2021-12-31 | esef |
| ifrs:BankBalancesAtCentralBanksOtherThanMandatoryReserveDeposits | {"amount": 29508000000.0} | 2020-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -2.47} | 2025-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 2.65} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 4.17} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -7.3} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 2.74} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -10.43} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 14000000.0} | 2025-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 1966000000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 9531000000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 1770000000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 80243000000.0} | 2025-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 75477000000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 95623000000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 92017000000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 56999000000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 47567000000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition | {"amount": 49616000000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 | {"amount": 28600000000.0} | 2022-11-30 | esef |
| ifrs:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013 | {"amount": 800000000.0} | 2023-11-02 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -30000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 470000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesContinuingOperations | {"amount": -439000000.0} | 2025-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesContinuingOperations | {"amount": 1639000000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesContinuingOperations | {"amount": -158000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesContinuingOperations | {"amount": 3607000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivitiesContinuingOperations | {"amount": -30000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 2379000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -1669000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesContinuingOperations | {"amount": -2907000000.0} | 2025-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesContinuingOperations | {"amount": -6810000000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesContinuingOperations | {"amount": -3402000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesContinuingOperations | {"amount": 27510000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivitiesContinuingOperations | {"amount": 2379000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 6834000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -669000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesContinuingOperations | {"amount": 8461000000.0} | 2025-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesContinuingOperations | {"amount": -5509000000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesContinuingOperations | {"amount": 1130000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesContinuingOperations | {"amount": 4240000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivitiesContinuingOperations | {"amount": 6331000000.0} | 2021-12-31 | esef |
| ifrs:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries | {"amount": 198000000.0} | 2022-12-31 | esef |
| ifrs:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries | {"amount": 2829000000.0} | 2021-12-31 | esef |
| ifrs:ClaimsAndBenefitsPaidNetOfReinsuranceRecoveries | {"amount": 1571000000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -662000000.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 684000000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 1041000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -1093000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 232000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -990000000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -1000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -3000000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -676000000.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 648000000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 1013000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -1095000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 233000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -987000000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperations | {"amount": 615000000.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperations | {"amount": 594000000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperations | {"amount": 1215000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperations | {"amount": 122000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperations | {"amount": 184000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToNoncontrollingInterests | {"amount": 14000000.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToNoncontrollingInterests | {"amount": 36000000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToNoncontrollingInterests | {"amount": 28000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToNoncontrollingInterests | {"amount": 2000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeFromContinuingOperationsAttributableToNoncontrollingInterests | {"amount": -1000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperations | {"amount": -1277000000.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperations | {"amount": 90000000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperations | {"amount": -174000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperations | {"amount": -1215000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperations | {"amount": 48000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToNoncontrollingInterests | {"amount": 0.0} | 2025-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToNoncontrollingInterests | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToNoncontrollingInterests | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToNoncontrollingInterests | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeFromDiscontinuedOperationsAttributableToNoncontrollingInterests | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:ConsiderationPaidReceived | {"amount": 195000000.0} | 2023-11-02 | esef |
| ifrs:ConsiderationPaidReceived | {"amount": 1400000000.0} | 2022-11-30 | esef |
| ifrs:ConsiderationPaidReceived | {"amount": -1500000000.0} | 2022-10-01 | esef |
| ifrs:CurrentTaxAssets | {"amount": 164000000.0} | 2025-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 595000000.0} | 2024-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 599000000.0} | 2023-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 330000000.0} | 2022-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 162000000.0} | 2021-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 146000000.0} | 2020-12-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 208000000.0} | 2025-12-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 236000000.0} | 2024-12-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 211000000.0} | 2023-12-31 | esef |