| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 534000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-03-31 | esef |
| cash_and_equivalents | {"amount": 294000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-03-31 | esef |
| cash_and_equivalents | {"amount": 329000000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-03-31 | esef |
| cashflow_financing | {"amount": -149000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-03-31 | esef |
| cashflow_financing | {"amount": -130000000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-03-31 | esef |
| cashflow_investing | {"amount": -189000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-03-31 | esef |
| cashflow_investing | {"amount": -137000000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-03-31 | esef |
| cashflow_operating | {"amount": 554000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-03-31 | esef |
| cashflow_operating | {"amount": 235000000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-03-31 | esef |
| current_assets | {"amount": 1474000000.0, "concept": "ifrs-full:CurrentAssets"} | 2022-03-31 | esef |
| current_assets | {"amount": 1232000000.0, "concept": "ifrs-full:CurrentAssets"} | 2021-03-31 | esef |
| current_liabilities | {"amount": 823000000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2022-03-31 | esef |
| current_liabilities | {"amount": 684000000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2021-03-31 | esef |
| entity_legal_form | {"value": "H0PO", "elf_code": "H0PO"} | | gleif |
| eps_basic | {"amount": 0.205, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-03-31 | esef |
| eps_basic | {"amount": 0.092, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-03-31 | esef |
| eps_diluted | {"amount": 0.205, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2022-03-31 | esef |
| eps_diluted | {"amount": 0.092, "concept": "ifrs-full:DilutedEarningsLossPerShare"} | 2021-03-31 | esef |
| headquarters_address | {"city": "LONDON", "region": "GB-LND", "street": "19TH FLOOR 51 LIME STREET", "country": " | | gleif |
| ifrs:Assets | {"amount": 7207000000.0} | 2022-03-31 | esef |
| ifrs:Assets | {"amount": 6672000000.0} | 2021-03-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.205} | 2022-03-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": 0.092} | 2021-03-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 534000000.0} | 2022-03-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 294000000.0} | 2021-03-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 329000000.0} | 2020-03-31 | esef |
| ifrs:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2022-03-31 | esef |
| ifrs:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 4000000.0} | 2021-03-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -149000000.0} | 2022-03-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -130000000.0} | 2021-03-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -189000000.0} | 2022-03-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -137000000.0} | 2021-03-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 554000000.0} | 2022-03-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": 235000000.0} | 2021-03-31 | esef |
| ifrs:CashFlowsFromUsedInOperations | {"amount": 663000000.0} | 2022-03-31 | esef |
| ifrs:CashFlowsFromUsedInOperations | {"amount": 330000000.0} | 2021-03-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 7000000.0} | 2022-03-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 2000000.0} | 2021-03-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": 288000000.0} | 2022-03-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -29000000.0} | 2021-03-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 30000000.0} | 2022-03-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 16000000.0} | 2021-03-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": 258000000.0} | 2022-03-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -45000000.0} | 2021-03-31 | esef |
| ifrs:CurrentAssets | {"amount": 1474000000.0} | 2022-03-31 | esef |
| ifrs:CurrentAssets | {"amount": 1232000000.0} | 2021-03-31 | esef |
| ifrs:CurrentDerivativeFinancialLiabilities | {"amount": 1000000.0} | 2022-03-31 | esef |
| ifrs:CurrentDerivativeFinancialLiabilities | {"amount": 2000000.0} | 2021-03-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 56000000.0} | 2022-03-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 55000000.0} | 2021-03-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 823000000.0} | 2022-03-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 684000000.0} | 2021-03-31 | esef |
| ifrs:CurrentLoansAndReceivables | {"amount": 6000000.0} | 2022-03-31 | esef |
| ifrs:CurrentLoansAndReceivables | {"amount": 2000000.0} | 2021-03-31 | esef |
| ifrs:CurrentProvisions | {"amount": 38000000.0} | 2022-03-31 | esef |
| ifrs:CurrentProvisions | {"amount": 19000000.0} | 2021-03-31 | esef |
| ifrs:CurrentRecognisedLiabilitiesDefinedBenefitPlan | {"amount": 20000000.0} | 2022-03-31 | esef |
| ifrs:CurrentRecognisedLiabilitiesDefinedBenefitPlan | {"amount": 14000000.0} | 2021-03-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 3000000.0} | 2022-03-31 | esef |
| ifrs:CurrentTaxAssets | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 7000000.0} | 2022-03-31 | esef |
| ifrs:CurrentTaxLiabilities | {"amount": 5000000.0} | 2021-03-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 32000000.0} | 2022-03-31 | esef |
| ifrs:DeferredTaxAssets | {"amount": 34000000.0} | 2021-03-31 | esef |
| ifrs:DeferredTaxLiabilities | {"amount": 432000000.0} | 2022-03-31 | esef |
| ifrs:DeferredTaxLiabilities | {"amount": 425000000.0} | 2021-03-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 228000000.0} | 2022-03-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 217000000.0} | 2021-03-31 | esef |
| ifrs:DilutedEarningsLossPerShare | {"amount": 0.205} | 2022-03-31 | esef |
| ifrs:DilutedEarningsLossPerShare | {"amount": 0.092} | 2021-03-31 | esef |
| ifrs:DividendsPaid | {"amount": 12000000.0} | 2022-03-31 | esef |
| ifrs:DividendsPaid | {"amount": 8000000.0} | 2021-03-31 | esef |
| ifrs:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities | {"amount": 0.0} | 2022-03-31 | esef |
| ifrs:DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities | {"amount": 12000000.0} | 2022-03-31 | esef |
| ifrs:DividendsPaidToNoncontrollingInterestsClassifiedAsFinancingActivities | {"amount": 8000000.0} | 2021-03-31 | esef |
| ifrs:DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities | {"amount": 2000000.0} | 2022-03-31 | esef |
| ifrs:DividendsReceivedFromInvestmentsAccountedForUsingEquityMethodClassifiedAsInvestingActivities | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:EffectOfExchangeRateChangesOnCashAndCashEquivalents | {"amount": 24000000.0} | 2022-03-31 | esef |
| ifrs:EffectOfExchangeRateChangesOnCashAndCashEquivalents | {"amount": -3000000.0} | 2021-03-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 1448000000.0} | 2021-03-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 1522000000.0} | 2022-03-31 | esef |
| ifrs:Equity | {"amount": 3246000000.0} | 2022-03-31 | esef |
| ifrs:Equity | {"amount": 2967000000.0} | 2021-03-31 | esef |
| ifrs:Equity | {"amount": 3003000000.0} | 2020-03-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 7207000000.0} | 2022-03-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 6672000000.0} | 2021-03-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 3107000000.0} | 2022-03-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 2849000000.0} | 2021-03-31 | esef |
| ifrs:FinanceCosts | {"amount": 74000000.0} | 2022-03-31 | esef |
| ifrs:FinanceCosts | {"amount": 99000000.0} | 2021-03-31 | esef |
| ifrs:FinanceIncome | {"amount": 6000000.0} | 2022-03-31 | esef |
| ifrs:FinanceIncome | {"amount": 4000000.0} | 2021-03-31 | esef |
| ifrs:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax | {"amount": 182000000.0} | 2022-03-31 | esef |
| ifrs:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax | {"amount": -235000000.0} | 2021-03-31 | esef |
| ifrs:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill | {"amount": 0.0} | 2022-03-31 | esef |
| ifrs:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 7000000.0} | 2022-03-31 | esef |
| ifrs:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment | {"amount": 3000000.0} | 2021-03-31 | esef |
| ifrs:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | {"amount": 46000000.0} | 2022-03-31 | esef |
| ifrs:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | {"amount": 29000000.0} | 2021-03-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 41000000.0} | 2022-03-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 25000000.0} | 2021-03-31 | esef |
| ifrs:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome | {"amount": 2000000.0} | 2022-03-31 | esef |
| ifrs:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss | {"amount": -16000000.0} | 2022-03-31 | esef |
| ifrs:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss | {"amount": 26000000.0} | 2021-03-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": 216000000.0} | 2022-03-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges | {"amount": -32000000.0} | 2021-03-31 | esef |
| ifrs:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl | {"amount": 2000000.0} | 2022-03-31 | esef |
| ifrs:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:IncreaseDecreaseThroughSharebasedPaymentTransactions | {"amount": 1000000.0} | 2022-03-31 | esef |
| ifrs:IncreaseDecreaseThroughSharebasedPaymentTransactions | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:IntangibleAssetsAndGoodwill | {"amount": 1126000000.0} | 2022-03-31 | esef |
| ifrs:IntangibleAssetsAndGoodwill | {"amount": 1061000000.0} | 2021-03-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": 69000000.0} | 2022-03-31 | esef |
| ifrs:InterestPaidClassifiedAsOperatingActivities | {"amount": 70000000.0} | 2021-03-31 | esef |
| ifrs:InterestReceivedClassifiedAsOperatingActivities | {"amount": 6000000.0} | 2022-03-31 | esef |
| ifrs:InterestReceivedClassifiedAsOperatingActivities | {"amount": 4000000.0} | 2021-03-31 | esef |
| ifrs:Inventories | {"amount": 97000000.0} | 2022-03-31 | esef |
| ifrs:Inventories | {"amount": 109000000.0} | 2021-03-31 | esef |
| ifrs:InvestmentAccountedForUsingEquityMethod | {"amount": 165000000.0} | 2022-03-31 | esef |
| ifrs:InvestmentAccountedForUsingEquityMethod | {"amount": 171000000.0} | 2021-03-31 | esef |
| ifrs:IssuedCapital | {"amount": 74000000.0} | 2022-03-31 | esef |
| ifrs:IssuedCapital | {"amount": 74000000.0} | 2021-03-31 | esef |
| ifrs:Liabilities | {"amount": 3961000000.0} | 2022-03-31 | esef |
| ifrs:Liabilities | {"amount": 3705000000.0} | 2021-03-31 | esef |
| ifrs:LiabilitiesFromSharebasedPaymentTransactions2011 | {"amount": 4000000.0} | 2022-03-31 | esef |
| ifrs:LiabilitiesFromSharebasedPaymentTransactions2011 | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:LongtermBorrowings | {"amount": 1688000000.0} | 2022-03-31 | esef |
| ifrs:LongtermBorrowings | {"amount": 1686000000.0} | 2021-03-31 | esef |
| ifrs:NoncontrollingInterests | {"amount": 139000000.0} | 2022-03-31 | esef |
| ifrs:NoncontrollingInterests | {"amount": 118000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentAssets | {"amount": 5733000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentAssets | {"amount": 5440000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentDerivativeFinancialLiabilities | {"amount": 128000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentDerivativeFinancialLiabilities | {"amount": 124000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentLeaseLiabilities | {"amount": 730000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentLeaseLiabilities | {"amount": 621000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentLiabilities | {"amount": 3138000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentLiabilities | {"amount": 3021000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentProvisions | {"amount": 37000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentProvisions | {"amount": 37000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentRecognisedAssetsDefinedBenefitPlan | {"amount": 1000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentRecognisedAssetsDefinedBenefitPlan | {"amount": 110000000.0} | 2021-03-31 | esef |
| ifrs:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan | {"amount": 119000000.0} | 2022-03-31 | esef |
| ifrs:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan | {"amount": 127000000.0} | 2021-03-31 | esef |
| ifrs:OtherComprehensiveIncome | {"amount": 118000000.0} | 2022-03-31 | esef |
| ifrs:OtherComprehensiveIncome | {"amount": -108000000.0} | 2021-03-31 | esef |
| ifrs:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans | {"amount": -90000000.0} | 2022-03-31 | esef |
| ifrs:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans | {"amount": 153000000.0} | 2021-03-31 | esef |
| ifrs:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments | {"amount": 4000000.0} | 2022-03-31 | esef |
| ifrs:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax | {"amount": 188000000.0} | 2022-03-31 | esef |
| ifrs:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax | {"amount": -235000000.0} | 2021-03-31 | esef |
| ifrs:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax | {"amount": -70000000.0} | 2022-03-31 | esef |
| ifrs:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax | {"amount": 127000000.0} | 2021-03-31 | esef |
| ifrs:OtherGainsLosses | {"amount": -3000000.0} | 2022-03-31 | esef |
| ifrs:OtherGainsLosses | {"amount": 2000000.0} | 2021-03-31 | esef |
| ifrs:OtherIncome | {"amount": 25000000.0} | 2022-03-31 | esef |
| ifrs:OtherIncome | {"amount": 13000000.0} | 2021-03-31 | esef |
| ifrs:OtherReserves | {"amount": -2254000000.0} | 2022-03-31 | esef |
| ifrs:OtherReserves | {"amount": -2438000000.0} | 2021-03-31 | esef |
| ifrs:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities | {"amount": 42000000.0} | 2022-03-31 | esef |
| ifrs:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities | {"amount": 39000000.0} | 2021-03-31 | esef |
| ifrs:ProceedsFromBorrowingsClassifiedAsFinancingActivities | {"amount": 89000000.0} | 2022-03-31 | esef |
| ifrs:ProceedsFromBorrowingsClassifiedAsFinancingActivities | {"amount": 115000000.0} | 2021-03-31 | esef |
| ifrs:ProceedsFromChangesInOwnershipInterestsInSubsidiaries | {"amount": 2000000.0} | 2022-03-31 | esef |
| ifrs:ProceedsFromChangesInOwnershipInterestsInSubsidiaries | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | {"amount": 1000000.0} | 2022-03-31 | esef |
| ifrs:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:ProfitLoss | {"amount": 170000000.0} | 2022-03-31 | esef |
| ifrs:ProfitLoss | {"amount": 79000000.0} | 2021-03-31 | esef |
| ifrs:ProfitLossAttributableToNoncontrollingInterests | {"amount": 19000000.0} | 2022-03-31 | esef |
| ifrs:ProfitLossAttributableToNoncontrollingInterests | {"amount": 11000000.0} | 2021-03-31 | esef |
| ifrs:ProfitLossAttributableToOwnersOfParent | {"amount": 151000000.0} | 2022-03-31 | esef |
| ifrs:ProfitLossAttributableToOwnersOfParent | {"amount": 68000000.0} | 2021-03-31 | esef |
| ifrs:ProfitLossBeforeTax | {"amount": 211000000.0} | 2022-03-31 | esef |
| ifrs:ProfitLossBeforeTax | {"amount": 104000000.0} | 2021-03-31 | esef |
| ifrs:ProfitLossFromOperatingActivities | {"amount": 280000000.0} | 2022-03-31 | esef |
| ifrs:ProfitLossFromOperatingActivities | {"amount": 209000000.0} | 2021-03-31 | esef |
| ifrs:PropertyPlantAndEquipment | {"amount": 4385000000.0} | 2022-03-31 | esef |
| ifrs:PropertyPlantAndEquipment | {"amount": 4052000000.0} | 2021-03-31 | esef |
| ifrs:PurchaseOfInterestsInAssociates | {"amount": 0.0} | 2022-03-31 | esef |
| ifrs:PurchaseOfInterestsInAssociates | {"amount": 1000000.0} | 2021-03-31 | esef |
| ifrs:RawMaterialsAndConsumablesUsed | {"amount": 770000000.0} | 2022-03-31 | esef |
| ifrs:RawMaterialsAndConsumablesUsed | {"amount": 719000000.0} | 2021-03-31 | esef |
| ifrs:RepaymentsOfBorrowingsClassifiedAsFinancingActivities | {"amount": 183000000.0} | 2022-03-31 | esef |
| ifrs:RepaymentsOfBorrowingsClassifiedAsFinancingActivities | {"amount": 196000000.0} | 2021-03-31 | esef |
| ifrs:RetainedEarnings | {"amount": 4597000000.0} | 2022-03-31 | esef |
| ifrs:RetainedEarnings | {"amount": 4523000000.0} | 2021-03-31 | esef |
| ifrs:Revenue | {"amount": 3233000000.0} | 2022-03-31 | esef |
| ifrs:Revenue | {"amount": 2995000000.0} | 2021-03-31 | esef |
| ifrs:ServicesExpense | {"amount": 169000000.0} | 2022-03-31 | esef |
| ifrs:ServicesExpense | {"amount": 147000000.0} | 2021-03-31 | esef |
| ifrs:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax | {"amount": 1000000.0} | 2022-03-31 | esef |
| ifrs:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax | {"amount": 0.0} | 2021-03-31 | esef |
| ifrs:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod | {"amount": -1000000.0} | 2022-03-31 | esef |
| ifrs:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod | {"amount": -70000000.0} | 2021-03-31 | esef |
| ifrs:SharePremium | {"amount": 690000000.0} | 2022-03-31 | esef |