| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 41519000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-12-31 | esef |
| cash_and_equivalents | {"amount": 59834000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2019-12-31 | esef |
| cash_and_equivalents | {"amount": 56104000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2018-12-31 | esef |
| cashflow_financing | {"amount": -938000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2020-12-31 | esef |
| cashflow_financing | {"amount": -1883000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2019-12-31 | esef |
| cashflow_investing | {"amount": -704000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2020-12-31 | esef |
| cashflow_investing | {"amount": -240000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2019-12-31 | esef |
| cashflow_operating | {"amount": -16207000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2020-12-31 | esef |
| cashflow_operating | {"amount": 5948000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2019-12-31 | esef |
| controlled_by | {"lei": "315700E9POA724IWFP59", "meaning": "oberste Konsolidierung (Konzernspitze)", "enti | | gleif |
| entity_legal_form | {"value": "6CQN", "elf_code": "6CQN"} | | gleif |
| headquarters_address | {"city": "Praha 8", "region": "CZ-10", "street": "Sokolovská 700/113a", "country": "CZ", " | | gleif |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading | {"amount": -6139000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading | {"amount": 1669000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks | {"amount": -885000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks | {"amount": 1230000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers | {"amount": -31528000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers | {"amount": 4322000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": -558000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherAssets | {"amount": 219000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 161000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 177000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -138000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": -593000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 169000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 1000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives | {"amount": -97000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives | {"amount": 262000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": 1056000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossLoansAndAdvances | {"amount": -567000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromBanks | {"amount": -3413000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromBanks | {"amount": 2556000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers | {"amount": 24069000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers | {"amount": -6848000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": -54000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 356000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherLiabilities | {"amount": 775000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": 37000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets | {"amount": -2000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 182000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForProvisions | {"amount": 251000000.0} | 2019-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -339000000.0} | 2020-12-31 | esef |
| ifrs:AdjustmentsForUnrealisedForeignExchangeLossesGains | {"amount": -79000000.0} | 2019-12-31 | esef |
| ifrs:Assets | {"amount": 175037000000.0} | 2020-12-31 | esef |
| ifrs:Assets | {"amount": 151722000000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 41519000000.0} | 2020-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 59834000000.0} | 2019-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 56104000000.0} | 2018-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -938000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -1883000000.0} | 2019-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -704000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -240000000.0} | 2019-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -16207000000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 5948000000.0} | 2019-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 1120000000.0} | 2020-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 3557000000.0} | 2019-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 143000000.0} | 2020-12-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 27000000.0} | 2019-12-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 7000000.0} | 2020-12-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 218000000.0} | 2019-12-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 382000000.0} | 2020-12-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 267000000.0} | 2019-12-31 | esef |
| ifrs:DeferredTaxLiabilities | {"amount": 99000000.0} | 2020-12-31 | esef |
| ifrs:DeferredTaxLiabilities | {"amount": 108000000.0} | 2019-12-31 | esef |
| ifrs:DepositsFromBanks | {"amount": 2437000000.0} | 2020-12-31 | esef |
| ifrs:DepositsFromBanks | {"amount": 4838000000.0} | 2019-12-31 | esef |
| ifrs:DepositsFromCustomers | {"amount": 138620000000.0} | 2020-12-31 | esef |
| ifrs:DepositsFromCustomers | {"amount": 114551000000.0} | 2019-12-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 161000000.0} | 2020-12-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 177000000.0} | 2019-12-31 | esef |
| ifrs:DerivativeFinancialAssets | {"amount": 1063000000.0} | 2020-12-31 | esef |
| ifrs:DerivativeFinancialAssets | {"amount": 978000000.0} | 2019-12-31 | esef |
| ifrs:DerivativeFinancialLiabilities | {"amount": 764000000.0} | 2020-12-31 | esef |
| ifrs:DerivativeFinancialLiabilities | {"amount": 582000000.0} | 2019-12-31 | esef |
| ifrs:DividendsPaid | {"amount": 1292000000.0} | 2019-12-31 | esef |
| ifrs:DividendsPaidClassifiedAsFinancingActivities | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:DividendsPaidClassifiedAsFinancingActivities | {"amount": 1292000000.0} | 2019-12-31 | esef |
| ifrs:EffectOfExchangeRateChangesOnCashAndCashEquivalents | {"amount": 466000000.0} | 2020-12-31 | esef |
| ifrs:EffectOfExchangeRateChangesOnCashAndCashEquivalents | {"amount": 95000000.0} | 2019-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 1366000000.0} | 2020-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 1558000000.0} | 2019-12-31 | esef |
| ifrs:Equity | {"amount": 22537000000.0} | 2020-12-31 | esef |
| ifrs:Equity | {"amount": 21514000000.0} | 2019-12-31 | esef |
| ifrs:Equity | {"amount": 19230000000.0} | 2018-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 175037000000.0} | 2020-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 151722000000.0} | 2019-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 21457000000.0} | 2020-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 20708000000.0} | 2019-12-31 | esef |
| ifrs:FeeAndCommissionExpense | {"amount": 329000000.0} | 2020-12-31 | esef |
| ifrs:FeeAndCommissionExpense | {"amount": 247000000.0} | 2019-12-31 | esef |
| ifrs:FeeAndCommissionIncome | {"amount": 1532000000.0} | 2020-12-31 | esef |
| ifrs:FeeAndCommissionIncome | {"amount": 1644000000.0} | 2019-12-31 | esef |
| ifrs:FeeAndCommissionIncomeExpense | {"amount": 1203000000.0} | 2020-12-31 | esef |
| ifrs:FeeAndCommissionIncomeExpense | {"amount": 1397000000.0} | 2019-12-31 | esef |
| ifrs:FinancialAssetsAtAmortisedCost | {"amount": 228000000.0} | 2020-12-31 | esef |
| ifrs:FinancialAssetsAtAmortisedCost | {"amount": 287000000.0} | 2019-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome | {"amount": 7079000000.0} | 2020-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome | {"amount": 7091000000.0} | 2019-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughProfitOrLoss | {"amount": 8941000000.0} | 2020-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughProfitOrLoss | {"amount": 7736000000.0} | 2019-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading | {"amount": 8353000000.0} | 2020-12-31 | esef |
| ifrs:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading | {"amount": 3055000000.0} | 2019-12-31 | esef |
| ifrs:GainRecognisedInBargainPurchaseTransaction | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:GainRecognisedInBargainPurchaseTransaction | {"amount": 136000000.0} | 2019-12-31 | esef |
| ifrs:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax | {"amount": -651000000.0} | 2020-12-31 | esef |
| ifrs:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax | {"amount": 325000000.0} | 2019-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax | {"amount": 14000000.0} | 2020-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax | {"amount": 55000000.0} | 2019-12-31 | esef |
| ifrs:Goodwill | {"amount": 33000000.0} | 2020-12-31 | esef |
| ifrs:Goodwill | {"amount": 33000000.0} | 2019-12-31 | esef |
| ifrs:IncomeTaxesPaidClassifiedAsOperatingActivities | {"amount": 767000000.0} | 2020-12-31 | esef |
| ifrs:IncomeTaxesPaidClassifiedAsOperatingActivities | {"amount": 757000000.0} | 2019-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 336000000.0} | 2020-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 822000000.0} | 2019-12-31 | esef |
| ifrs:IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome | {"amount": 3000000.0} | 2020-12-31 | esef |
| ifrs:IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome | {"amount": 8000000.0} | 2019-12-31 | esef |
| ifrs:IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome | {"amount": 1000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets | {"amount": -1056000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets | {"amount": 567000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": -17849000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": 3825000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts | {"amount": -89000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseInExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts | {"amount": 81000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAcquisitionOfSubsidiary | {"amount": 834000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAcquisitionOfSubsidiary | {"amount": -1482000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl | {"amount": 147000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl | {"amount": 258000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets | {"amount": 29000000.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets | {"amount": -1000000.0} | 2019-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransferToStatutoryReserve | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransferToStatutoryReserve | {"amount": 0.0} | 2019-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 135000000.0} | 2020-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 123000000.0} | 2019-12-31 | esef |
| ifrs:InterestExpense | {"amount": 1641000000.0} | 2020-12-31 | esef |
| ifrs:InterestExpense | {"amount": 1602000000.0} | 2019-12-31 | esef |
| ifrs:InterestPaidClassifiedAsFinancingActivities | {"amount": 244000000.0} | 2020-12-31 | esef |
| ifrs:InterestPaidClassifiedAsFinancingActivities | {"amount": 239000000.0} | 2019-12-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": 1116000000.0} | 2020-12-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": 1036000000.0} | 2019-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsOperatingActivities | {"amount": 4604000000.0} | 2020-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsOperatingActivities | {"amount": 5262000000.0} | 2019-12-31 | esef |
| ifrs:InterestRevenueCalculatedUsingEffectiveInterestMethod | {"amount": 5109000000.0} | 2020-12-31 | esef |
| ifrs:InterestRevenueCalculatedUsingEffectiveInterestMethod | {"amount": 5406000000.0} | 2019-12-31 | esef |
| ifrs:InterestRevenueExpense | {"amount": 3674000000.0} | 2020-12-31 | esef |
| ifrs:InterestRevenueExpense | {"amount": 3960000000.0} | 2019-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 793000000.0} | 2020-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 429000000.0} | 2019-12-31 | esef |
| ifrs:IssuedCapital | {"amount": 10638000000.0} | 2020-12-31 | esef |
| ifrs:IssuedCapital | {"amount": 10638000000.0} | 2019-12-31 | esef |
| ifrs:Liabilities | {"amount": 152500000000.0} | 2020-12-31 | esef |
| ifrs:Liabilities | {"amount": 130208000000.0} | 2019-12-31 | esef |
| ifrs:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale | {"amount": 1000000.0} | 2020-12-31 | esef |
| ifrs:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale | {"amount": 0.0} | 2019-12-31 | esef |
| ifrs:LoansAndAdvancesToBanks | {"amount": 2351000000.0} | 2020-12-31 | esef |
| ifrs:LoansAndAdvancesToBanks | {"amount": 1455000000.0} | 2019-12-31 | esef |
| ifrs:LoansAndReceivables | {"amount": 98795000000.0} | 2020-12-31 | esef |
| ifrs:LoansAndReceivables | {"amount": 68320000000.0} | 2019-12-31 | esef |
| ifrs:MiscellaneousOtherOperatingExpense | {"amount": 1401000000.0} | 2020-12-31 | esef |
| ifrs:MiscellaneousOtherOperatingExpense | {"amount": 1253000000.0} | 2019-12-31 | esef |
| ifrs:MiscellaneousOtherOperatingIncome | {"amount": 139000000.0} | 2020-12-31 | esef |
| ifrs:MiscellaneousOtherOperatingIncome | {"amount": 198000000.0} | 2019-12-31 | esef |
| ifrs:NoncontrollingInterests | {"amount": 1080000000.0} | 2020-12-31 | esef |
| ifrs:NoncontrollingInterests | {"amount": 806000000.0} | 2019-12-31 | esef |
| ifrs:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale | {"amount": 520000000.0} | 2020-12-31 | esef |
| ifrs:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale | {"amount": 133000000.0} | 2019-12-31 | esef |
| ifrs:OperatingExpense | {"amount": 2928000000.0} | 2020-12-31 | esef |
| ifrs:OperatingExpense | {"amount": 2988000000.0} | 2019-12-31 | esef |
| ifrs:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities | {"amount": 410000000.0} | 2019-12-31 | esef |
| ifrs:OtherComprehensiveIncome | {"amount": -546000000.0} | 2020-12-31 | esef |
| ifrs:OtherComprehensiveIncome | {"amount": 401000000.0} | 2019-12-31 | esef |
| ifrs:OtherComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 128000000.0} | 2020-12-31 | esef |
| ifrs:OtherComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -17000000.0} | 2019-12-31 | esef |
| ifrs:OtherComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 992000000.0} | 2020-12-31 | esef |
| ifrs:OtherComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 3574000000.0} | 2019-12-31 | esef |
| ifrs:OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments | {"amount": 0.0} | 2020-12-31 | esef |
| ifrs:OtherComprehensiveIncomeBeforeTaxGainsLossesFromInvestmentsInEquityInstruments | {"amount": 5000000.0} | 2019-12-31 | esef |
| ifrs:OtherEquityInterest | {"amount": 2597000000.0} | 2020-12-31 | esef |
| ifrs:OtherEquityInterest | {"amount": 2597000000.0} | 2019-12-31 | esef |
| ifrs:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities | {"amount": 4000000.0} | 2020-12-31 | esef |
| ifrs:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities | {"amount": 3000000.0} | 2019-12-31 | esef |
| ifrs:OtherLiabilities | {"amount": 8787000000.0} | 2020-12-31 | esef |
| ifrs:OtherLiabilities | {"amount": 7723000000.0} | 2019-12-31 | esef |
| ifrs:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities | {"amount": 96000000.0} | 2020-12-31 | esef |
| ifrs:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities | {"amount": 86000000.0} | 2019-12-31 | esef |
| ifrs:PaymentsOfOtherEquityInstruments | {"amount": 598000000.0} | 2020-12-31 | esef |
| ifrs:PaymentsOfOtherEquityInstruments | {"amount": 266000000.0} | 2019-12-31 | esef |
| ifrs:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets | {"amount": 37000000.0} | 2020-12-31 | esef |
| ifrs:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets | {"amount": 0.0} | 2019-12-31 | esef |
| ifrs:ProfitLoss | {"amount": 1666000000.0} | 2020-12-31 | esef |
| ifrs:ProfitLoss | {"amount": 3156000000.0} | 2019-12-31 | esef |
| ifrs:ProfitLossAttributableToNoncontrollingInterests | {"amount": 128000000.0} | 2020-12-31 | esef |
| ifrs:ProfitLossAttributableToNoncontrollingInterests | {"amount": -17000000.0} | 2019-12-31 | esef |
| ifrs:ProfitLossAttributableToOwnersOfParent | {"amount": 1538000000.0} | 2020-12-31 | esef |
| ifrs:ProfitLossAttributableToOwnersOfParent | {"amount": 3173000000.0} | 2019-12-31 | esef |
| ifrs:ProfitLossBeforeTax | {"amount": 2002000000.0} | 2020-12-31 | esef |
| ifrs:ProfitLossBeforeTax | {"amount": 3978000000.0} | 2019-12-31 | esef |
| ifrs:ProfitLossFromOperatingActivities | {"amount": 2978000000.0} | 2020-12-31 | esef |