| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 1794000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2023-12-31 | esef |
| cash_and_equivalents | {"amount": 2607000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-12-31 | esef |
| cash_and_equivalents | {"amount": 1812000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-01-01 | esef |
| cash_and_equivalents | {"amount": 1812000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-12-31 | esef |
| cash_and_equivalents | {"amount": 870000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-01-01 | esef |
| cashflow_financing | {"amount": 1508000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_financing | {"amount": -808000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2023-12-31 | esef |
| cashflow_financing | {"amount": 954000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": 195000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2023-12-31 | esef |
| cashflow_investing | {"amount": 635000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": 1322000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": -200000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2023-12-31 | esef |
| cashflow_operating | {"amount": -794000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-12-31 | esef |
| cashflow_operating | {"amount": -1888000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| entity_legal_form | {"value": "R71C", "elf_code": "R71C"} | | gleif |
| eps_basic | {"amount": 5.37, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-12-31 | esef |
| eps_basic | {"amount": 5.47, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_basic | {"amount": 4.27, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-12-31 | esef |
| headquarters_address | {"city": "Sandefjord", "region": "NO-38", "street": "Fokserødveien 12", "country": "NO", " | | gleif |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading | {"amount": -1353000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading | {"amount": -1694000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading | {"amount": -293000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks | {"amount": -88000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks | {"amount": -150000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks | {"amount": 59000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers | {"amount": -69000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers | {"amount": -143000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers | {"amount": -3959000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables | {"amount": -21000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables | {"amount": -24000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables | {"amount": -46000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 54000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 54000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpense | {"amount": 36000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossRecognisedInProfitOrLossGoodwill | {"amount": -151000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": -57000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 40000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 79000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": -3000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": -6000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 6000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -312000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -267000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -123000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers | {"amount": -33000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers | {"amount": 505000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInDepositsFromCustomers | {"amount": 1642000000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": 14000000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": -262000000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities | {"amount": -16000000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 90003000000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 89547000000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 74911000000.0} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 4.27} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 5.37} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 5.47} | 2023-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 105000000.0} | 2023-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 108000000.0} | 2022-12-31 | esef |
| ifrs:CashAndBankBalancesAtCentralBanks | {"amount": 114000000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 1794000000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 2607000000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 1812000000.0} | 2022-01-01 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 1812000000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 870000000.0} | 2021-01-01 | esef |
| ifrs:CashEquivalents | {"amount": 105000000.0} | 2023-12-31 | esef |
| ifrs:CashEquivalents | {"amount": 108000000.0} | 2022-12-31 | esef |
| ifrs:CashEquivalents | {"amount": 114000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -808000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 954000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": 1508000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 195000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 635000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 1322000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -200000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -794000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -1888000000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperations | {"amount": 2113000000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperations | {"amount": 1780000000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperations | {"amount": 988000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 1303000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 1078000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 855000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 1000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 3000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 4000000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 1302000000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 1075000000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 851000000.0} | 2021-12-31 | esef |
| ifrs:CurrentDepositsFromCustomers | {"amount": 55184000000.0} | 2023-12-31 | esef |
| ifrs:CurrentDepositsFromCustomers | {"amount": 55216000000.0} | 2022-12-31 | esef |
| ifrs:CurrentDepositsFromCustomers | {"amount": 46212000000.0} | 2021-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 435000000.0} | 2023-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 319000000.0} | 2022-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 220000000.0} | 2021-12-31 | esef |
| ifrs:DebtInstrumentsHeld | {"amount": 9783000000.0} | 2023-12-31 | esef |
| ifrs:DebtInstrumentsHeld | {"amount": 8430000000.0} | 2022-12-31 | esef |
| ifrs:DebtInstrumentsHeld | {"amount": 6146000000.0} | 2021-12-31 | esef |
| ifrs:DebtSecurities | {"amount": 19766000000.0} | 2023-12-31 | esef |
| ifrs:DebtSecurities | {"amount": 19570000000.0} | 2022-12-31 | esef |
| ifrs:DebtSecurities | {"amount": 16913000000.0} | 2021-12-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 60000000.0} | 2023-12-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 39000000.0} | 2022-12-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 23000000.0} | 2021-12-31 | esef |
| ifrs:DepositsFromBanks | {"amount": 16000000.0} | 2023-12-31 | esef |
| ifrs:DepositsFromBanks | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:DepositsFromBanks | {"amount": 150000000.0} | 2021-12-31 | esef |
| ifrs:DividendsPaid | {"amount": 121000000.0} | 2021-12-31 | esef |
| ifrs:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities | {"amount": 951000000.0} | 2023-12-31 | esef |
| ifrs:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities | {"amount": 496000000.0} | 2022-12-31 | esef |
| ifrs:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities | {"amount": 125000000.0} | 2021-12-31 | esef |
| ifrs:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners | {"amount": 544000000.0} | 2023-12-31 | esef |
| ifrs:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners | {"amount": 574000000.0} | 2022-12-31 | esef |
| ifrs:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare | {"amount": 3.88} | 2023-12-31 | esef |
| ifrs:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare | {"amount": 4.1} | 2022-12-31 | esef |
| ifrs:DividendsReceivedClassifiedAsInvestingActivities | {"amount": 33000000.0} | 2021-12-31 | esef |
| ifrs:DividendsReceivedClassifiedAsInvestingActivities | {"amount": 38000000.0} | 2023-12-31 | esef |
| ifrs:DividendsReceivedClassifiedAsInvestingActivities | {"amount": 172000000.0} | 2022-12-31 | esef |
| ifrs:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears | {"amount": 948000000.0} | 2023-12-31 | esef |
| ifrs:DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToPriorYears | {"amount": 497000000.0} | 2022-12-31 | esef |
| ifrs:DividendsRecognisedAsDistributionsToOwnersPerShare | {"amount": -497.0} | 2022-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 767000000.0} | 2023-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 716000000.0} | 2022-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 529000000.0} | 2021-12-31 | esef |
| ifrs:Equity | {"amount": 13051000000.0} | 2023-12-31 | esef |
| ifrs:Equity | {"amount": 12775000000.0} | 2023-01-01 | esef |
| ifrs:Equity | {"amount": 12774000000.0} | 2022-12-31 | esef |
| ifrs:Equity | {"amount": 10100000000.0} | 2022-01-01 | esef |
| ifrs:Equity | {"amount": 10100000000.0} | 2021-12-31 | esef |
| ifrs:Equity | {"amount": 5537000000.0} | 2021-01-01 | esef |
| ifrs:EquityAndLiabilities | {"amount": 90003000000.0} | 2023-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 89547000000.0} | 2022-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 74911000000.0} | 2021-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 13050000000.0} | 2023-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 12774000000.0} | 2022-12-31 | esef |
| ifrs:EquityInstrumentsHeld | {"amount": 2448000000.0} | 2023-12-31 | esef |
| ifrs:EquityInstrumentsHeld | {"amount": 2617000000.0} | 2022-12-31 | esef |
| ifrs:EquityInstrumentsHeld | {"amount": 2203000000.0} | 2021-12-31 | esef |
| ifrs:FeeAndCommissionExpense | {"amount": 60000000.0} | 2023-12-31 | esef |
| ifrs:FeeAndCommissionExpense | {"amount": 39000000.0} | 2022-12-31 | esef |
| ifrs:FeeAndCommissionExpense | {"amount": 30000000.0} | 2021-12-31 | esef |
| ifrs:FeeAndCommissionIncome | {"amount": 584000000.0} | 2023-12-31 | esef |
| ifrs:FeeAndCommissionIncome | {"amount": 618000000.0} | 2022-12-31 | esef |
| ifrs:FeeAndCommissionIncome | {"amount": 513000000.0} | 2021-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss | {"amount": 100000000.0} | 2023-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss | {"amount": 167000000.0} | 2022-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition | {"amount": 18000000.0} | 2023-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition | {"amount": -5000000.0} | 2022-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition | {"amount": 22000000.0} | 2021-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax | {"amount": -9000000.0} | 2023-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax | {"amount": 3000000.0} | 2022-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax | {"amount": 1000000.0} | 2021-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsReclassifiedOutOfFinancialAssetsAtFairValueThroughProfitOrLossRecognisedInProfitOrLoss | {"amount": -9000000.0} | 2023-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsReclassifiedOutOfFinancialAssetsAtFairValueThroughProfitOrLossRecognisedInProfitOrLoss | {"amount": 3000000.0} | 2022-12-31 | esef |
| ifrs:GainsLossesOnFinancialAssetsReclassifiedOutOfFinancialAssetsAtFairValueThroughProfitOrLossRecognisedInProfitOrLoss | {"amount": 1000000.0} | 2021-12-31 | esef |
| ifrs:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLoss | {"amount": 167000000.0} | 2022-12-31 | esef |
| ifrs:GainsLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLoss | {"amount": 360000000.0} | 2021-12-31 | esef |
| ifrs:Goodwill | {"amount": 465000000.0} | 2023-12-31 | esef |
| ifrs:Goodwill | {"amount": 458000000.0} | 2022-12-31 | esef |
| ifrs:Goodwill | {"amount": 34000000.0} | 2021-12-31 | esef |
| ifrs:GrossProfit | {"amount": 1310000000.0} | 2023-12-31 | esef |
| ifrs:GrossProfit | {"amount": 1041000000.0} | 2022-12-31 | esef |
| ifrs:GrossProfit | {"amount": 869000000.0} | 2021-12-31 | esef |
| ifrs:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9 | {"amount": -57000000.0} | 2023-12-31 | esef |
| ifrs:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9 | {"amount": 40000000.0} | 2022-12-31 | esef |
| ifrs:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9 | {"amount": 79000000.0} | 2021-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 400000000.0} | 2023-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 270000000.0} | 2022-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 161000000.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": 796000000.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": 942000000.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": -814000000.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": 796000000.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": 942000000.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries | {"amount": 61000000.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseThroughOtherDistributionsToOwners | {"amount": 1900000.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseThroughOtherDistributionsToOwners | {"amount": 600000.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransfersAndOtherChangesEquity | {"amount": -51000000.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransfersAndOtherChangesEquity | {"amount": -8000000.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransfersAndOtherChangesEquity | {"amount": -8000000.0} | 2021-12-31 | esef |
| ifrs:InterestExpense | {"amount": 2347000000.0} | 2023-12-31 | esef |
| ifrs:InterestExpense | {"amount": 1010000000.0} | 2022-12-31 | esef |
| ifrs:InterestExpense | {"amount": 333000000.0} | 2021-12-31 | esef |
| ifrs:InterestExpenseOnDepositsFromBanks | {"amount": -1000000.0} | 2022-12-31 | esef |
| ifrs:InterestExpenseOnDepositsFromBanks | {"amount": -1000000.0} | 2021-12-31 | esef |
| ifrs:InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss | {"amount": 522000000.0} | 2023-12-31 | esef |
| ifrs:InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss | {"amount": 287000000.0} | 2022-12-31 | esef |
| ifrs:InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss | {"amount": 96000000.0} | 2021-12-31 | esef |
| ifrs:InterestIncomeOnLoansAndAdvancesToBanks | {"amount": 39000000.0} | 2022-12-31 | esef |
| ifrs:InterestIncomeOnLoansAndAdvancesToBanks | {"amount": 10000000.0} | 2021-12-31 | esef |
| ifrs:InterestPaidClassifiedAsInvestingActivities | {"amount": 984000000.0} | 2023-12-31 | esef |
| ifrs:InterestPaidClassifiedAsInvestingActivities | {"amount": -482000000.0} | 2022-12-31 | esef |
| ifrs:InterestPaidClassifiedAsInvestingActivities | {"amount": -154000000.0} | 2021-12-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": 1327000000.0} | 2023-12-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": -492000000.0} | 2022-12-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": -150000000.0} | 2021-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsInvestingActivities | {"amount": 442000000.0} | 2023-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsInvestingActivities | {"amount": 189000000.0} | 2022-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsInvestingActivities | {"amount": 57000000.0} | 2021-12-31 | esef |
| ifrs:InterestReceivedClassifiedAsOperatingActivities | {"amount": 3821000000.0} | 2023-12-31 | esef |