BLK


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:GainLossOnInvestments
us-gaap:ConsolidatedEntities

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:BusinessAcquisition
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:CoreAndNonCoreStatus, us-gaap:InvestmentType
us-gaap:ProductOrService, us-gaap:IncomeStatementLocation
us-gaap:ProductOrService, us-gaap:InvestmentType
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:TierOneRiskBasedCapital

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities
us-gaap:FairValueByAssetClass
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:BusinessAcquisition

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:BusinessAcquisition
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FinancialInstrument

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:SubsequentEventType

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt
us-gaap:DebtInstrument
us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet
us-gaap:IncomeTaxAuthority

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:DebtInstrument
blk:AdditionalBorrowingAvailableSubjectToLenderApproval

blk:AdditionsToTechnologyServicesDeferredRevenueLiability

blk:CharitableContribution

blk:CharitableContributionOfInvestment

blk:ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

blk:DirectFundExpense

blk:DiscreteTaxBenefits

blk:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements
us-gaap:BalanceSheetLocation

blk:FairValueOfRestrictedStockUnitsAndRestrictedStockGrantedToEmployees

blk:GainRelatedToCharitableContribution

blk:IncomeTaxExpenseBenefitNetNoncashRelatedToRevaluationOfDeferredTaxAssetsAndLiabilities

blk:IncreaseDecreaseInDeferredInterestLiabilityDueToUnrealizedAllocations

blk:IncreaseDecreaseInNonControllingInterests

blk:MoneyMarketFeesWaived

blk:NetConsolidationsDeconsolidationsOfSponsoredInvestmentFunds

blk:NetGainsLossesRealizedOnConsolidatedSponsoredInvestmentProducts

blk:NetInvestmentHedgeTaxExpenseBenefit

blk:NetPurchasesProceedsWithinConsolidatedSponsoredInvestmentProducts

blk:NoncashLeaseExpense

blk:NoncontrollingInterestConsolidationDeconsolidationOfInvestment
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
blk:OperatingExpensesOffsetAmountByNoncashNonOperatingPreTaxGainOnSaleOfEquityMethodInvestments
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
blk:OperatingExpensesRelatedToCharitableContribution

blk:PerformanceFeeRevenueRecognized

blk:ProceedsFromRepaymentsOfBorrowingsByConsolidatedSponsoredInvestmentProducts

blk:ProfitLossExcludingRedeemableNoncontrollingInterests
us-gaap:StatementEquityComponents
us-gaap:AwardType
blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOfGrantDateStockPrice
us-gaap:AwardType
blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue
us-gaap:AwardType
blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageAdditionalGrantDateFairValue

blk:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

blk:TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

blk:TechnologyServicesRevenueRecognizedThatIncludedInBeginningBalance

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:BusinessAcquisition
us-gaap:CashAcquiredFromAcquisition
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
us-gaap:FairValueByAssetClass
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
us-gaap:FairValueByAssetClass
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:BalanceSheetLocation

us-gaap:FinitelivedIntangibleAssetsAcquired1
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
us-gaap:PlanName, us-gaap:SubsequentEventType
us-gaap:IncreaseDecreaseInDeferredCompensation

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInTradingSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseCost

us-gaap:LitigationSettlementAmountAwardedToOtherParty

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:RevenuesExcludingInterestAndDividends
us-gaap:StatementGeographical

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:SponsorFees

us-gaap:StockIssued1

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents
us-gaap:SubsidiarySaleOfStock

us-gaap:VariableLeaseCost
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
blk:AmountOfUnfundedCommitmentsContractuallyObligatedToFund
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
blk:BankLoanFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

blk:BookValueOfCommonStockPerShare
us-gaap:ConsolidatedEntities
blk:CarriedInterestSubjectToClawback
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

blk:CashAndSecuritiesCollateralForBorrowedSecuritiesIndemnified

blk:CommonEquityTierOneRiskBasedCapital

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

blk:CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
blk:DebtDesignatedAsNetInvestmentHedge

blk:DeferredCarriedInterestLiability

blk:DeferredTaxAssetsTaxDeferredExpenseUnrealizedInvestmentLosses

blk:DeferredTaxLiabilitiesAcquiredFiniteLivedIntangibles
us-gaap:ConsolidatedEntities
blk:EconomicInterestsInConsolidatedInvestmentProducts

blk:EstimatedAnnualFixedMinimumFeesForCurrentlyOutstandingContracts

blk:ExcessOfTaxGoodwillOverBookGoodwill
us-gaap:InvestmentType
blk:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRemainingUnfundedCommitments
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType
blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyDaily
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType
blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyMonthly
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType
blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyNotRedeemable
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType
blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyQuarterly

blk:GrossDeferredTaxLiability

blk:InvestmentCommitments

blk:InvestmentsInBankLoans
us-gaap:ConsolidatedEntities
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:LandSubjectToGroundLeasesForAdditionalSpace
us-gaap:FinancialInstrument
blk:LoansReceivablePrincipalAmount

blk:MinimumLeasePaymentsForLeasesSignedButNotYetCommenced
us-gaap:ConsolidatedEntities
blk:MinorityInterestInConsolidatedInvestmentProducts
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
blk:NetAssetsOfNonconsolidatedVIEs
us-gaap:FinancialInstrument, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

blk:NetCapitalRequirements
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:OperatingLeasesFutureMinimumPaymentsDueForAdditionalSpace
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:OperatingLeasesFutureMinimumPaymentsDueInFifteenToTwentyYears
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:OperatingLeasesFutureMinimumPaymentsDueInFiveToTenYears
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:OperatingLeasesFutureMinimumPaymentsDueInOneToFiveYears
us-gaap:PropertySubjectToOrAvailableForOperatingLease
blk:OperatingLeasesFutureMinimumPaymentsDueInTenToFifteenYears

blk:SecuritiesLendingLoanBalancesIndemnified

blk:SeparateAccountCollateralHeldUnderSecuritiesLendingAgreements

blk:ShareBasedCompensationEmployeeStockPurchasePlanPurchasePricePercentageOfFairMarketValueForEligibleEmployees
us-gaap:Range
blk:TaxLiabilityDecreaseForUncertainTaxPositions

blk:TechnologyServicesDeferredRevenueLiability

blk:TotalDebtSecurities
us-gaap:BalanceSheetLocation, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
blk:UnconsolidatedSponsoredInvestmentFunds
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsReceivableNet
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedParties

us-gaap:AccruedIncomeTaxes
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:AlternativeInvestment
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BalanceSheetLocation
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:Capital

us-gaap:CapitalRequiredForCapitalAdequacy

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:CapitalRequiredToBeWellCapitalized

us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:CapitalizedComputerSoftwareGross

us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:FairValueByLiabilityClass
us-gaap:FairValueByLiabilityClass
us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtSecurities
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensation, us-gaap:PlanName
us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent
us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensation, us-gaap:PlanName
us-gaap:DeferredCompensationPlanAssets
us-gaap:PlanName

us-gaap:DeferredIncomeTaxLiabilities
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentsInHedgesAssetsAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:InvestmentType

us-gaap:DueFromRelatedParties

us-gaap:DueToRelatedPartiesCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesFvNiCost
us-gaap:FinancialInstrument

us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
us-gaap:ConsolidatedEntities, us-gaap:InvestmentType
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
us-gaap:BalanceSheetLocation
us-gaap:FinancialInstrument
us-gaap:FairValueOptionAggregateDifferencesLoansAndLongTermReceivables
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FederalReserveBankStock
us-gaap:FairValueByMeasurementFrequency

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:BusinessAcquisition
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FairValueByMeasurementFrequency

us-gaap:IncomeTaxReceivable

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:Investments
us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities
us-gaap:FairValueByAssetClass
us-gaap:FinancialInstrument, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InformationByCategoryOfDebtSecurity
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:PropertySubjectToOrAvailableForOperatingLease
us-gaap:LandSubjectToGroundLeases

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:PlanName
us-gaap:OtherDeferredCompensationArrangementsLiabilityCurrentAndNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:OtherInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:OtherLiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:RestrictedCash

us-gaap:RetainedEarningsUnappropriated
us-gaap:ProductOrService
us-gaap:RevenueRemainingPerformanceObligation

us-gaap:SecuritiesBorrowedFairValueOfCollateral
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:SecuritiesHeldAsCollateralAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure

us-gaap:SeparateAccountAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:SeparateAccountsLiability

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests

us-gaap:TierOneLeverageCapital

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets

us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized

us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets

us-gaap:TierOneLeverageCapitalToAverageAssets

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy

us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized

us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

us-gaap:TradingSecuritiesDebt
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FinancialInstrument

us-gaap:TradingSecuritiesDebtAmortizedCost
us-gaap:FinancialInstrument

us-gaap:TreasuryStockCommonValue

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Accounts Receivable
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
NonoperatingIncomeExpense
Investment Income Interest And Dividend
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue █████████████████████████████████████▁▁▁▁▁▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.01.01.01.01.01.0NANANA1.0NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁154.417581154.301812NA153.742264154.712032156.416726156.894201156.447387156.360741159.348431160.450266161.378217162.161937162.918961163.777534163.773546164.149861164.856183165.854167166.256598166.63929167.398938168.632558168.665303169.114759169.723167170.367445170.778766171.150153171.933803172.999529173.371508173.873583174.561132175.176037175.450532179.590702181.917864181.987669181.825329190.579963194.296504193.47846192.326841192.569539192.152251155.040242135.902241133.364611131.797189
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█152.443039152.567453NA152.488073153.732878155.243279155.195733155.280877155.354552158.268034158.859998160.141506160.98096161.250018161.27295161.872716162.502465163.016599163.441552164.129214164.758612165.38813165.826808166.045291166.616558167.089037167.197844167.93304168.712221169.081421169.010606169.811633170.648731171.3018171.518278172.359141177.010239179.02284178.562187179.034837187.870001191.797365191.057374190.494905190.975161189.676023152.062468133.266379130.928926130.216218
us-gaap:EarningsPerShareBasic ▅▅▆▅▅▃▅▄▄▄▄▅▄▄█▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁9.047.8610.1300000000000038.947.95.198.387.216.466.655.847.596.676.7514.295.855.275.295.215.334.793.975.195.084.924.924.865.464.794.474.984.34.273.694.023.723.133.193.13.283.262.923.392.852.232.21.652.311.620.63
us-gaap:EarningsPerShareDiluted ▅▅▆▅▅▃▅▄▄▄▄▅▄▄█▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁8.927.7710.0100000000000028.877.855.158.297.156.416.615.787.546.626.6814.075.785.225.235.135.264.733.925.115.04.844.844.775.374.724.44.864.214.193.623.933.653.083.143.053.233.212.893.352.832.212.171.622.271.590.62
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets NANA0.0001846NANANA1.377e-06NANANA1.311e-06NANANA1.117e-06NANANA9.25e-07NANANA8.86e-07NANANA1.42e-06NANANA1.127e-06NANANA9.91e-07NANANA1.0409999999999999e-06NANANA1.0329999999999999e-06NANANANANANANA
us-gaap:CapitalToRiskWeightedAssets NANA0.0001846NANANA1.377e-06NANANA1.311e-06NANANA1.117e-06NANANA9.25e-07NANANA8.86e-07NANANA1.42e-06NANANA1.127e-06NANANA9.91e-07NANANA1.0409999999999999e-06NANANA1.0329999999999999e-06NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▅▄▆▅▄▂▅▃▃▄▃▄▃▄█▃▃▃▂▃▂▂▃▂▃▂▂▂▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁1401.01125.01812.01544.01243.0567.01514.0999.0962.01121.0852.01175.0799.01226.02345.01049.0959.0901.0733.0837.0703.0631.0821.0774.0919.0656.0709.0747.0844.0756.0885.0849.0697.0525.0689.0710.0518.0609.0538.0525.0631.0612.0656.0642.0411.0354.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▆█▇█▁▅▄▅▅▄▄▄▄▄▅▅▅▄▄▄▄▅▄▅169.074.0192.0153.0188.0-179.033.00.010.07.00.0-13.05.05.06.012.010.09.00.02.06.0-10.08.0-11.07.0NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅▄▇▆▅▁▅▃▃▄▃▄▃▄█▃▃▃▂▃▂▂▃▂▃▂▂▂▃▂▃▃▂▂▂▂▂▂▂▁▂▂▂▂▁▁1570.01199.02004.01697.01431.0388.01547.0999.0972.01128.0852.01162.0804.01231.02351.01061.0969.0910.0733.0839.0709.0621.0829.0763.0926.0694.0702.0703.0877.0744.0894.0848.0674.0559.0649.0723.0524.0612.0566.0500.0634.0608.0648.0675.0368.0359.0NANANANA
us-gaap:GainLossOnInvestments ▇▃▇▆█▁▄▂▃▄▁▃▂▂▃▃▃▃▂▂▂▂▂▂▂▃▂▃▃▃▃▂▄▃▂▃▂▃▂▁▂▃▃▃▂▃314.082.0345.0269.0398.0-40.0118.0-7.089.0142.0-67.050.03.015.033.041.036.051.06.031.020.0-2.01.04.0-6.063.0-2.046.045.076.070.032.0141.062.020.075.0-7.075.028.0-59.018.059.062.093.0-13.037.0NANANANA
us-gaap:GeneralAndAdministrativeExpense ▂▃▃▂▂█▃▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▂▁▁▁▂▂▂▁▂▁▂▁▂▁▁▁▁▂▁▁▂▁▁▁461.0585.0474.0461.0388.01142.0515.0385.0470.0388.0449.0413.0393.0383.0448.0363.0350.0301.0355.0312.0316.0318.0410.0319.0312.0339.0387.0376.0377.0313.0410.0334.0465.0331.0401.0327.0324.0307.0341.0389.0345.0340.0409.0316.0340.0289.0NANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▅█▇▆▁▆▅▄▄▃▅▅▄▅▄▄▃▄▄▃▂▃▃▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▂▂▃▂▁2201.01591.02167.01981.01763.0613.01634.01460.01335.01358.01174.01429.01416.01359.01490.01404.01243.01140.01187.01210.01148.0915.01148.01174.01197.01118.01084.01105.01138.01068.01157.0948.0918.0950.0938.0905.0789.0838.0815.0665.0842.0813.0958.0785.0622.0NANANANANA
us-gaap:IncomeTaxExpenseBenefit █▆▇▇▇▅▆▇▆▆▆▆▆▆▁▇▇▆▆▆▇▆▆▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▆▆▆▆▆654.0318.0427.0464.0361.0-14.0300.0341.0322.0298.0247.0226.0338.0265.0-820.0445.0376.0269.0336.0333.0353.0268.0279.0342.0371.0258.0278.0232.0297.0324.0307.0219.0212.0284.0288.0250.0229.0263.0232.095.0220.0249.0309.0201.0233.0228.0NANANANA
us-gaap:InterestExpense ▅▆▅▅▅▄▅▅▅▄▄▄▄▄▄▄▄█▅▅▅▅▅▄▅▅▆▇▇▅▅▅▅▅▆▆▅▄▄▄▂▂▁▁▂▂52.055.054.054.051.046.051.054.052.046.046.046.046.046.046.046.048.065.051.052.051.051.051.050.052.051.058.061.060.053.052.052.053.054.057.057.052.049.048.049.041.038.035.037.038.040.0NANANANA
us-gaap:NetIncomeLoss ▅▅▆▅▅▃▅▄▄▄▄▅▄▄█▄▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▂▃▂▃▃▃▃▂▂▂▂▂▁▁1378.01199.01548.01364.01214.0806.01301.01119.01003.01053.0927.01216.01073.01089.02304.0947.0857.0862.0851.0875.0789.0657.0861.0843.0819.0822.0813.0917.0808.0756.0841.0730.0729.0632.0690.0642.0554.0572.0555.0595.0619.0568.0657.0551.0432.0423.0256.0317.0218.084.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▆█▇█▁▅▄▅▅▄▄▄▄▄▅▅▅▄▄▄▄▅▄▅▅▄▄▅▄▅▄▄▅▄▅▄▄▅▄▄▄▄▅▄▄169.074.0192.0153.0188.0-179.033.00.010.07.00.0-13.05.05.06.012.010.09.00.02.06.0-10.08.0-11.07.038.0-7.0-44.033.0-12.09.0-1.0-23.034.0-40.013.06.03.028.0-25.03.0-4.0-8.033.0-43.05.0NANANANA
us-gaap:NonoperatingIncomeExpense ▇▃▇▆█▁▄▁▃▄▁▃▂▂▂▂▂▂▂▂▂▁▂▁▂▂▁▁270.046.0319.0224.0357.0-71.096.0-42.057.0125.0-72.033.0-24.0-16.01.010.01.0-7.0-38.01.0-25.0-48.011.0-48.0-41.016.0-60.0-52.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▇▇▆▆▅█▆▅▅▄▅▄▄▅▄▃▃▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▁▁▁2889.02853.02630.02612.02242.03026.02439.02190.02246.02113.02188.02180.02165.02208.01980.01839.01723.01677.01665.01628.01631.01661.01726.01688.01667.01656.01640.01692.01656.01619.01644.01506.01633.01540.01534.01445.01400.01434.01419.01448.01481.01484.01553.01385.01335.01341.0NANANANA
us-gaap:OperatingIncomeLoss █▆█▇▆▃▆▆▅▅▅▆▆▆▆▆▅▅▅▅▅▄▅▅▅▄▅▅▅▄▅▄▃▄▄▄▃▃▃▃▄▃▄▃▃▃▂▁▁▁1931.01545.01848.01757.01406.0684.01538.01502.01278.01233.01246.01396.01440.01375.01489.01394.01242.01147.01225.01209.01173.0963.01137.01222.01238.01067.01144.01157.01122.01051.01133.0966.0849.0909.01005.0875.0829.0815.0808.0777.0866.0798.0940.0707.0697.0654.0389.0357.0261.0271.0
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▅▄█▇▅▁▇▃▄▅▄▄▁▆▅▆▆▅▃▄▃▄▄▄▆▂▃▂▅▅▅▆▄▃▅▅▄▅▄▄▅23.0-74.0264.0180.029.0-239.0213.0-120.0-41.068.0-77.0-41.0-272.0137.041.0102.0102.040.0-118.0-38.0-87.0-26.0-42.0-67.0101.0-165.0-102.0-167.030.08.036.0118.0-23.0-108.00.054.0-34.033.0-19.0-67.015.0NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▄█▇▅▁▇▃▄▅▄▄▁▆▅▆▆▅▃▄▃▄▄▄▆▂▃▂▅▅▅▆▄▃▅▅▄▅▄▄▅23.0-74.0264.0180.029.0-239.0213.0-120.0-41.068.0-75.0-41.0-274.0137.041.0102.0102.039.0-118.0-38.0-86.0-26.0-40.0-69.0100.0-166.0-104.0-170.036.00.044.0119.0-32.0-107.0-1.068.0-36.037.0-17.0-70.012.0NANANANANANANANANA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName blk:Icapital▁█▁0.0240.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▅▆▆▅▃▅▄▄▄▄▅▄▄█▄▄▄▃▄▃▃▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁1547.01273.01740.01517.01402.0627.01334.01119.01013.01060.0927.01203.01078.01094.02310.0959.0867.0871.0851.0877.0795.0647.0869.0832.0826.0860.0806.0873.0841.0744.0850.0729.0706.0666.0650.0655.0560.0575.0583.0570.0622.0564.0649.0584.0389.0428.0257.0334.0244.062.0
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇▇▆▆▆▆▆▅▅▆▆▆▆▆▅▄▄▄▄▄▄▅▅▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▄▃▃▃▂▁▁▁4820.04398.04478.04369.03648.03710.03977.03692.03524.03346.03434.03576.03605.03583.03469.03508.03236.02824.02890.02837.02804.02624.02863.02910.02905.02723.02784.02849.02778.02670.02777.02472.02482.02449.02539.02320.02229.02249.02227.02225.02347.02282.02493.02092.02032.01995.01544.01140.01029.0987.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets ▃▃▃▂▂▁▂▂▂▂▂▃▄▆▆▆▆▇▆▇▆▇▇▆███▇▇▆▆▆▄▅▅▄▃▄▃▃▄▃▃176962.0173859.0176982.0165118.0157342.0149020.0168622.0163872.0163347.0165008.0159573.0174862.0195549.0216017.0220217.0220567.0217488.0230586.0220177.0226739.0222055.0222958.0225261.0222216.0237008.0242714.0239808.0222812.0231693.0216297.0219873.0212717.0193745.0200738.0200451.0192828.0182480.0185518.0179896.0174282.0185048.0178422.0178459.0NANANA178124.0NANANA
us-gaap:Liabilities ▃▂▃▂▂▁▂▂▂▂▂▃▄▆▆▆▆▇▆▇▆▇▇▇███▇▇▆▆▆▅▅▅▅▄▄▄▃▄▄▄138572.0136019.0139326.0129102.0123308.0114510.0133693.0130268.0130687.0132637.0126033.0141789.0162679.0183434.0187926.0190150.0187601.0201071.0190833.0197178.0192900.0193972.0196217.0193735.0208878.0215058.0212288.0195528.0204627.0189596.0193203.0186531.0167920.0175071.0174834.0167519.0157558.0159915.0154534.0149343.0160378.0151706.0152125.0NANANA153522.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▃▃▃▂▂▁▂▂▂▂▂▃▄▆▆▆▆▇▆▇▆▇▇▆███▇▇▆▆▆▄▅▅▄▃▄▃▃▄▃▃176962.0173859.0176982.0165118.0157342.0149020.0168622.0163872.0163347.0165008.0159573.0174862.0195549.0216017.0220217.0220567.0217488.0230586.0220177.0226739.0222055.0222958.0225261.0222216.0237008.0242714.0239808.0222812.0231693.0216297.0219873.0212717.0193745.0200738.0200451.0192828.0182480.0185518.0179896.0174282.0185048.0178422.0178459.0NANANA178124.0NANANA
us-gaap:StockholdersEquity ███▇▆▆▇▆▆▅▆▆▆▆▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▂▁▁▁▂▂36033.035380.035283.033873.032730.033013.033547.032407.031893.031309.032374.032415.032130.031978.031825.030042.029555.029156.029098.028904.028568.028394.028503.028136.027776.027375.027366.027106.026881.026478.026460.025999.025589.025345.025403.025057.024672.025303.025048.024727.024424.026479.026094.0NANANA24329.0NANANA
us-gaap:TierOneRiskBasedCapital NANA740.0NANANA686.0NANANA572.0NANANA1124.0NANANA1211.0NANANA1593.0NANANA775.0NANANA660.0NANANA633.0NANANA720.0NANANA874.0NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▅█▆▅▃▄▃▃▃▅▆▆▅▆▅▅▅▅▅▄▄▅▅▄▃▅▅▄▃▃▃▃▃▄▃▃▁▂▂▂▂▂▁▁▂▄6416.06267.08664.06507.05466.04406.04829.04476.03920.03891.06302.06358.06599.05978.06894.06165.05508.05703.06091.05454.05065.04981.06083.05673.04907.04293.05723.06149.05127.04394.04390.03987.03668.03942.04606.04223.03595.02552.03506.02983.02796.02779.03367.02636.02183.02703.04708.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▄█▅▃▂▂▂▁▁▅▅▅▄▆▄▃▄▄6433.06360.08681.06524.05483.04423.04846.04624.04040.04078.06505.06597.06741.06143.07096.06299.05629.05831.06192.0NANANA6248.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NoncurrentAssets ██▆▆▆▆▆▆▆▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▂▂▂▁▁▂▂▂▂▁▁▁▁▁16103.016019.015232.015247.015253.015273.015277.015221.015170.014180.014169.014114.013796.013806.013812.013797.013748.013659.013677.013688.013704.013700.013704.013508.013515.013512.013428.013434.013467.013483.013505.013461.013423.013433.013467.013468.013459.013444.013329.013342.013323.013329.013233.0NANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA1779.0NANANA1595.0NANANA1393.0NANANA1250.0NANANA1160.0NANANA1151.0NANANA1054.0NANANA1136.0NANANA1129.0NANANA1020.0NANANA854.0NANANA746.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType blk:EquipmentAndComputerSoftwareNANA822.0NANANA672.0NANANA541.0NANANA444.0NANANA411.0NANANA374.0NANANA387.0NANANA451.0NANANA465.0NANANA443.0NANANA368.0NANANA304.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType blk:OtherEquipmentNANA179.0NANANA136.0NANANA135.0NANANA134.0NANANA135.0NANANA135.0NANANA56.0NANANA56.0NANANA56.0NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingNANA33.0NANANA33.0NANANA33.0NANANA33.0NANANA33.0NANANA17.0NANANA17.0NANANA17.0NANANA17.0NANANA17.0NANANA17.0NANANA17.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingImprovementsNANA30.0NANANA30.0NANANA30.0NANANA29.0NANANA29.0NANANA15.0NANANA14.0NANANA14.0NANANA13.0NANANA13.0NANANA13.0NANANA13.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA46.0NANANA83.0NANANA48.0NANANA33.0NANANA5.0NANANA51.0NANANA5.0NANANANANANANA1.0NANANA1.0NANANA26.0NANANA15.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA70.0NANANA70.0NANANA66.0NANANA67.0NANANA65.0NANANA62.0NANANA93.0NANANA93.0NANANA91.0NANANA90.0NANANA74.0NANANA69.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA6.0NANANA6.0NANANA6.0NANANA6.0NANANA6.0NANANA6.0NANANA4.0NANANA4.0NANANA4.0NANANA4.0NANANA4.0NANANA4.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA593.0NANANA565.0NANANA534.0NANANA504.0NANANA476.0NANANA491.0NANANA478.0NANANA501.0NANANA482.0NANANA452.0NANANA352.0NANANA324.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ██▇▇▇▆▆▆▆▆▅▅▅▅▅▅▅▅▄▅▅▄▄▅▅▄▄▅▅▅▅▅▅▄▄▄▄▄▄▄▁▄▃1211.01150.01098.01040.0979.0923.0880.0876.0836.0794.0750.0765.0728.0698.0658.0708.0671.0636.0601.0631.0621.0592.0570.0624.0635.0605.0587.0680.0671.0641.0611.0649.0614.0593.0572.0564.0544.0514.0483.0518.00.0460.0426.0NANANA303.0NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▆▅▅▅▄▅▅▄▂▂▁▁▁▁▅▄▄▄▄▄▄▄▆▇▇▇█████████████▇█████37.034.027.027.027.025.029.028.025.015.015.013.011.011.012.027.025.025.024.025.025.025.024.034.035.035.035.040.041.041.041.040.040.040.040.039.039.039.039.039.038.040.040.040.040.040.0NANANANA
us-gaap:PropertyPlantAndEquipmentNet █▆▇▇▇▇▇▆▆▆▆▅▄▅▅▄▄▄▄▄▄▄▄▄▄▃▂▂▃▃▃▃▃▃▄▄▄▄▃▄▃▂▁741.0671.0681.0693.0697.0714.0715.0669.0659.0656.0643.0588.0581.0589.0592.0571.0549.0546.0559.0564.0576.0581.0581.0543.0545.0537.0467.0468.0496.0508.0525.0523.0524.0529.0557.0560.0571.0545.0537.0545.0521.0479.0428.0NANANA443.0NANANA
us-gaap:Goodwill ██▆▆▆▆▆▆▆▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁15362.015348.014551.014554.014556.014559.014562.014552.014511.013524.013526.013526.013215.013217.013220.013226.013199.013113.013118.013124.013128.013119.013123.012965.012970.012975.012961.012966.012971.012975.012980.012938.012899.012904.012910.012908.012888.012899.012792.012797.012802.012804.012805.0NANANA12680.0NANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill ████████████▂▂▂▂▂▂▂▂▂▁▁▁17578.017578.017578.017578.017578.017578.017578.017578.017578.017578.017578.017578.017178.017178.017178.017178.017178.017178.017178.017178.017178.017108.017108.017108.0NANA16988.0NANANA16991.0NANANA16760.0NANANA16597.0NANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ██▇▇▇▇▇▇█▄▄▄▁▁▁▁▂▁▁▁▂▁▁▁▁▂▁▁▂▂▂▂▁▁▁▂▂▂▁▁▂▂▂18514.018516.018263.018290.018317.018344.018369.018407.018477.017824.017839.017854.017367.017378.017389.017400.017423.017338.017363.017387.017412.017347.017372.017360.017394.017429.017344.017378.017418.017459.017501.017513.017322.017362.017402.017442.017441.017480.017356.017395.017434.017472.017512.0NANANA17666.0NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ██▆▆▆▆▇▇█▂▂▂▁▁▁▂▂▁▁▁▂▂▂▂936.0938.0685.0712.0739.0766.0791.0829.0899.0246.0261.0276.0189.0200.0211.0222.0245.0160.0185.0209.0234.0239.0264.0252.0NANA356.0NANANA510.0NANANA642.0NANANA759.0NANANA915.0NANANA1075.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▃▆▅▇▇█613.0629.0649.0646.0663.0662.0669.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▇█▇▆▄▅▆▁▁▁▁▁▁2369.02679.02317.02090.01393.01565.01926.0543.0537.0527.0452.0508.0420.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebt ▇████▆▄▆▆▄▄▄▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄▆▆▆▄▄▄▅▅▆▆▄▄▄▄▁▁6491.07232.07264.07227.07190.05933.04955.05932.05964.04966.04979.04991.04994.05036.05014.05000.04970.05619.04915.04961.04950.04968.04930.04950.04947.04938.04938.05937.05936.05936.04939.04938.04938.05687.05687.06186.06185.04690.04690.04690.04688.03192.03192.0NANANA3191.0NANANA
us-gaap:MinorityInterest ▄▁▁▂▂▂▂▂▂▁▂▂▁▁▁▂▂▁▁▂▂▂▃▃▃▃▄▄▄▄▅▅▆▆▆▇▇▇▇▇███115.049.051.059.056.057.066.060.057.053.059.055.054.044.050.055.061.050.052.057.067.075.077.087.096.089.0104.0114.0120.0117.0135.0127.0142.0144.0155.0170.0178.0185.0184.0175.0196.0188.0189.0NANANA224.0NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA159.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA107.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA74.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA58.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA305.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ███▇▆▆▇▆▆▅▆▆▆▆▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▂▁▁▁▂▂36033.035380.035283.033873.032730.033013.033547.032407.031893.031309.032374.032415.032130.031978.031825.030042.029555.029156.029098.028904.028568.028394.028503.028136.027776.027375.027366.027106.026881.026478.026460.025999.025589.025345.025403.025057.024672.025303.025048.024727.024424.026479.026094.0NANANA24329.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▇▆▆▆▆▅▅▆▆▆▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▂▁▁▁▂▂36148.035429.035334.033932.032786.033070.033613.032467.031950.031362.032433.032470.032184.032022.031875.030097.029616.029206.029150.028961.028635.028469.028580.028223.027872.027476.027485.027235.027019.026613.026616.026145.025755.025631.025585.025261.024884.025524.025270.024938.024666.026712.026328.0NANA24868.024553.0NANANA
us-gaap:CommonStockValue █████████████████████████████████████▁▁▁▁▁▁2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.01.01.01.01.01.0NANANA1.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████████████████████████▁▁▁▁▁▁▁▁▁▁▁19297.019121.019293.019150.019007.018885.019186.019058.018947.018827.019168.019048.018953.018856.019256.019145.019038.018929.019337.019236.019132.019027.019405.019327.02.02.02.02.02.02.02.02.02.02.02.0NANANA1.0NANANANANANANANANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▅▃▁▁▃▁▂▃▂▃▃▅▄▄▃▂▂▃▃▄▄▄▅▄▆▇███▇▆▇▇▇▇▇▇▇██▇-388.0-411.0-337.0-601.0-781.0-810.0-571.0-784.0-664.0-623.0-691.0-616.0-575.0-301.0-432.0-473.0-575.0-677.0-716.0-598.0-560.0-474.0-448.0-408.0-339.0-439.0-273.0-169.01.0-35.0-35.0-79.0-198.0-166.0-59.0-58.0-126.0-90.0-127.0-110.0-40.0-52.0-96.0NANANA-96.0NANANA
us-gaap:TreasuryStockValue █████▇▇▇▆▆▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁8498.08204.08009.08018.08030.06936.06732.06742.06659.06676.05387.04871.04388.04108.03967.03697.03433.03171.03185.02919.02690.02432.02489.02318.02191.01927.01894.01657.01416.01180.01210.0993.0750.0523.0432.0274.0124.0104.0218.0128.0NA2.0111.0NANANA3.0NANANA
us-gaap:MinorityInterest ▄▁▁▂▂▂▂▂▂▁▂▂▁▁▁▂▂▁▁▂▂▂▃▃▃▃▄▄▄▄▅▅▆▆▆▇▇▇▇▇███115.049.051.059.056.057.066.060.057.053.059.055.054.044.050.055.061.050.052.057.067.075.077.087.096.089.0104.0114.0120.0117.0135.0127.0142.0144.0155.0170.0178.0185.0184.0175.0196.0188.0189.0NANANA224.0NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▇█▆▅▅▅▄▃▄▅▃▃▄▆▃▃▃▆▂▂▂▆▂▃▃▄▂▁▂▃▂▂▁▃182.0196.0164.0160.0149.0149.0140.0133.0140.0154.0133.0121.0135.0175.0125.0127.0128.0162.0113.0119.0117.0172.0117.0128.0126.0143.0117.0100.0109.0127.0108.0109.0104.0127.0NANANANANANANA137.0NANANA108.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▂█▆▇▁▆▅▅▃▅▆▇▃▇▇1826.0-573.01979.0995.01707.0-938.01256.0931.0922.0-225.0523.01265.01428.0-141.01410.01360.0NANANANANANANANANANANANANANANA1146.01140.0190.0354.01021.0967.0-102.0873.01236.0873.0-156.01073.01105.0474.0-164.0NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▃▇█▇▇█▆▁▇▇▅▇▇▇▇-285.0-1150.0-77.0-19.0-124.0-34.093.0-444.0-1545.0-118.0-108.0-558.0-89.0-53.0-97.0-129.0NANANANANANANANANANANANANANANA-285.0-21.031.0285.0-4.0-60.0-487.0-18.0-82.0-89.0-15.0-147.0-78.0-372.0-30.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▅▇▆▅█▃▇█▁▅▄▅▄▅▅-1475.0-591.0138.00.0-522.0628.0-1214.0139.0604.0-2112.0-472.0-820.0-599.0-874.0-547.0-620.0NANANANANANANANANANANANANANANA-619.0-1388.0-805.0-283.0-426.0158.0-393.0-310.0-939.0-771.0-465.0-166.0-632.0-617.0-1755.0NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▁█▆▆▄▅▆▅▁▅▄▆▃▆▆▄▄73.0-2321.02157.01041.01060.0-423.0222.0584.0-38.0-2427.0-92.0-144.0598.0-953.0797.0670.0-202.0-361.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ██▆█▇▇▇▇▇█▇▆▇▇▁▇▇█▇▇▇█▇▇▇█▇▇▇█▆▇▇█▇▇▇▇▇▇▇▇▇▇▇▇131.0102.0-177.087.066.0-133.0-28.0-15.0-28.088.0-39.0-189.0-8.010.0-1396.01.0-25.0199.0-8.0-61.0-43.098.0-83.0-74.0-86.087.0-73.0-133.0-63.0165.0-149.0-81.0-56.093.0-19.0-75.0-32.065.0-29.0-70.0-86.048.0-39.0-47.034.055.0NANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▄▅▄▆▄▅▅▅▅▅▅▅▄▄▄▅▄▆▄▄▅▅▄▅▄▆▄▂▇▆▁█▄▅▄▅▄▅▄▅▄▅▅▅▅▅-47.0311.0-231.0664.0-125.05.0103.0199.032.099.0-9.083.0-43.0-35.0-255.0173.0-266.0869.0-250.0-288.0354.0270.0-307.0208.0-497.0750.0-504.0-1538.01340.0624.0-2075.02046.0-361.0376.0-201.0371.0-222.0344.0-118.08.0-144.0130.030.048.0129.0157.0NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▂█▆▇▁▆▅▅▃▅▆▇▃▇▇1826.0-573.01979.0995.01707.0-938.01256.0931.0922.0-225.0523.01265.01428.0-141.01410.01360.0NANANANANANANANANANANANANANANA1146.01140.0190.0354.01021.0967.0-102.0873.01236.0873.0-156.01073.01105.0474.0-164.0NANANANA
us-gaap:NetIncomeLoss ▅▅▆▅▅▃▅▄▄▄▄▅▄▄█▄▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▂▃▂▃▃▃▃▂▂▂▂▂▁▁1378.01199.01548.01364.01214.0806.01301.01119.01003.01053.0927.01216.01073.01089.02304.0947.0857.0862.0851.0875.0789.0657.0861.0843.0819.0822.0813.0917.0808.0756.0841.0730.0729.0632.0690.0642.0554.0572.0555.0595.0619.0568.0657.0551.0432.0423.0256.0317.0218.084.0
us-gaap:ProfitLoss ▆▅▆▆▅▃▅▄▄▄▄▅▄▄█▄▄▄▃▄▃▃▄▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁1547.01273.01740.01517.01402.0627.01334.01119.01013.01060.0927.01203.01078.01094.02310.0959.0867.0871.0851.0877.0795.0647.0869.0832.0826.0860.0806.0873.0841.0744.0850.0729.0706.0666.0650.0655.0560.0575.0583.0570.0622.0564.0649.0584.0389.0428.0257.0334.0244.062.0
us-gaap:ShareBasedCompensation ▇█▆▅▅▅▄▃▄▅▃▃▄▆▃▃▃▆▂▂▂▆▂▃▃▄▂▁▂▃▂▂▁▃▂▂▃▂▃▃▁▄▂▂▂▂182.0196.0164.0160.0149.0149.0140.0133.0140.0154.0133.0121.0135.0175.0125.0127.0128.0162.0113.0119.0117.0172.0117.0128.0126.0143.0117.0100.0109.0127.0108.0109.0104.0127.0107.0109.0121.0114.0122.0133.0105.0137.0110.0114.0113.0108.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▃▇█▇▇█▆▁▇▇▅▇▇▇▇-285.0-1150.0-77.0-19.0-124.0-34.093.0-444.0-1545.0-118.0-108.0-558.0-89.0-53.0-97.0-129.0NANANANANANANANANANANANANANANA-285.0-21.031.0285.0-4.0-60.0-487.0-18.0-82.0-89.0-15.0-147.0-78.0-372.0-30.0NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▃▄▃▃▄▆▄▃▄▆▃▂▃▄▃▃▂▂▂▃▂▄▂▃▆▂▁▂▂▃▁▂▂▂▂▄▃▂▄▅▅▃▂▂▃130.048.054.040.048.052.094.055.047.058.096.045.030.033.055.045.036.019.031.021.037.030.061.026.036.098.026.06.019.015.034.014.028.018.029.023.057.041.029.059.076.083.035.030.022.044.0NANANANA
us-gaap:PaymentsToAcquireInvestments ▄▃▂▂▃▂▃█▁▂▂▂▂▂▂▂▄▂▂▄▁▂▁▃▂▂▂▂▃▃▄▁▂▂▁▃▂▃▂▂▂▂▃▃▆▁214.0146.0107.072.0135.045.0121.0499.025.048.068.059.0106.094.089.092.0247.061.085.0223.014.055.01.0167.061.0101.065.065.0116.0123.0224.06.092.090.05.0123.099.0175.062.051.038.053.0134.0114.0380.028.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▅▇▆▅█▃▇█▁▅▄▅▄▅▅-1475.0-591.0138.00.0-522.0628.0-1214.0139.0604.0-2112.0-472.0-820.0-599.0-874.0-547.0-620.0NANANANANANANANANANANANANANANA-619.0-1388.0-805.0-283.0-426.0158.0-393.0-310.0-939.0-771.0-465.0-166.0-632.0-617.0-1755.0NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt NANA0.00.01246.0999.00.00.0NANANANANANANANANANANANANANA0.00.0787.00.00.00.00.0997.0NANANANA0.00.0NANA0.00.0NANANANANANANANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument blk:FourPointTwoFivePercentNotesDueTwoThousandTwentyOneNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividends ██▆▆▆▇▆▆▆▆▆▆▅▆▄▄▄▅▄▄▄▄▄▄▄▄▃▃▃▄▂▂▂▃▂▂▂▂▂▂▂▂▁▁▁▁630.0661.0554.0556.0554.0596.0512.0513.0515.0556.0497.0502.0464.0505.0403.0405.0407.0447.0374.0376.0376.0419.0361.0362.0364.0389.0322.0324.0326.0366.0286.0287.0286.0309.0256.0259.0260.0285.0245.0249.0248.0272.0194.0193.0193.0196.0NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▂▃▁▁▄▃▁▁▁▆▂▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▃▂▂▂▂▁▁▄▂▁▁█▁▁▁▁▁305.0568.017.010.01125.0657.07.0109.07.01788.0532.0515.0321.0719.0288.0287.0284.0562.0281.0277.0279.0562.0278.0276.0279.0498.0256.0256.0257.0575.0259.0269.0254.0461.0170.0170.01043.0262.0102.0129.02548.0106.00.0147.03.0114.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value154154153154156156156156159160161162162163163164164165166166167168168169169170170171171172173173174175175179181181181190194193192192192155135133131
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value152152152153155155155155158158160160161161161162163163164164165165166166167167167168169169169170171171172177179178179187191191190190189152133130130
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value9.047.8610.138.947.95.198.387.216.466.655.847.596.676.7514.295.855.275.295.215.334.793.975.195.084.924.924.865.464.794.474.984.34.273.694.023.723.133.193.13.283.262.923.392.852.232.21.652.311.620.63
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value8.927.7710.018.877.855.158.297.156.416.615.787.546.626.6814.075.785.225.235.135.264.733.925.115.04.844.844.775.374.724.44.864.214.193.623.933.653.083.143.053.233.212.893.352.832.212.171.622.271.590.62
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value184.61.3771.3111.1170.9250.8861.421.1270.9911.0411.033
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value184.61.3771.3111.1170.9250.8861.421.1270.9911.0411.033
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14011125181215441243567151499996211218521175799122623451049959901733837703631821774919656709747844756885849697525689710518609538525631612656642411354
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.125.640.535.334.115.338.127.127.333.524.832.922.234.267.629.929.631.925.429.525.124.028.726.631.624.125.526.230.428.331.934.328.121.427.130.623.227.124.223.626.926.826.330.720.217.7

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value16974192153188-179.0330.010.07.00.0-13.05.05.06.01210.09.00.02.06.0-10.08.0-11.07.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.51.74.33.55.2-4.80.80.00.30.20.0-0.40.10.10.20.30.30.30.00.10.2-0.40.3-0.40.2

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15701199200416971431388154799997211288521162804123123511061969910733839709621829763926694702703877744894848674559649723524612566500634608648675368359
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.627.344.838.839.210.538.927.127.633.724.832.522.334.467.830.229.932.225.429.625.323.729.026.231.925.525.224.731.627.932.234.327.222.825.631.223.527.225.422.527.026.626.032.318.118.0

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value31482345269398-40.0118-7.089142-67.0503.015334136516.03120-2.01.04.0-6.063-2.04645767032141622075-7.07528-59.018596293-13.037
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.51.97.76.210.9-1.13.0-0.22.54.2-2.01.40.10.41.01.21.11.80.21.10.7-0.10.00.1-0.22.3-0.11.61.62.82.51.35.72.50.83.2-0.33.31.3-2.70.82.62.54.4-0.61.9

us-gaap:GainLossOnInvestments us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value19083291213282-309.082-5.0
Percentage of GainLossOnInvestments60.5101.284.379.270.9772.569.571.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.91.96.54.97.7-8.32.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4615854744613881142515385470388449413393383448363350301355312316318410319312339387376377313410334465331401327324307341389345340409316340289
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.613.310.610.610.630.812.910.413.311.613.111.510.910.712.910.310.810.712.311.011.312.114.311.010.712.413.913.213.611.714.813.518.713.515.814.114.513.715.317.514.714.916.415.116.714.5

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value22011591216719811763613163414601335135811741429141613591490140412431140118712101148915114811741197111810841105113810681157948918950938905789838815665842813958785622
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.736.248.445.348.316.541.139.537.940.634.240.039.337.943.040.038.440.441.142.740.934.940.140.341.241.138.938.841.040.041.738.337.038.836.939.035.437.336.629.935.935.638.437.530.6

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value654318427464361-14.0300341322298247226338265-820.044537626933633335326827934237125827823229732430721921228428825022926323295220249309201233228
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.67.29.510.69.9-0.47.59.29.18.97.26.39.47.4-23.612.711.69.511.611.712.610.29.711.812.89.510.08.110.712.111.18.98.511.611.310.810.311.710.44.39.410.912.49.611.511.4

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value52555454514651545246464646464646486551525151515052515861605352525354575752494849413835373840
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.31.21.21.41.21.31.51.51.41.31.31.31.31.31.31.52.31.81.81.81.91.81.71.81.92.12.12.22.01.92.12.12.22.22.52.32.22.22.21.71.71.41.81.92.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value137811991548136412148061301111910031053927121610731089230494785786285187578965786184381982281391780875684173072963269064255457255559561956865755143242325631721884
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.627.334.631.233.321.732.730.328.531.527.034.029.830.466.427.026.530.529.430.828.125.030.129.028.230.229.232.229.128.330.329.529.425.827.227.724.925.424.926.726.424.926.426.321.321.216.627.821.28.5

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value16974192153188-179.0330.010.07.00.0-13.05.05.06.01210.09.00.02.06.0-10.08.0-11.07.038-7.0-44.033-12.09.0-1.0-23.034-40.0136.03.028-25.03.0-4.0-8.033-43.05.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.51.74.33.55.2-4.80.80.00.30.20.0-0.40.10.10.20.30.30.30.00.10.2-0.40.3-0.40.21.4-0.3-1.51.2-0.40.3-0.0-0.91.4-1.60.60.30.11.3-1.10.1-0.2-0.31.6-2.10.3

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16855179149178-158.025
Percentage of NetIncomeLossAttributableToNoncontrollingInterest99.474.393.297.494.788.375.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.51.34.03.44.9-4.30.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value27046319224357-71.096-42.057125-72.033-24.0-16.01.010.01.0-7.0-38.01.0-25.0-48.011-48.0-41.016-60.0-52.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.61.07.15.19.8-1.92.4-1.11.63.7-2.10.9-0.7-0.40.00.30.0-0.2-1.30.0-0.9-1.80.4-1.6-1.40.6-2.2-1.8

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2889285326302612224230262439219022462113218821802165220819801839172316771665162816311661172616881667165616401692165616191644150616331540153414451400143414191448148114841553138513351341
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.964.958.759.861.581.661.359.363.763.263.761.060.161.657.152.453.259.457.657.458.263.360.358.057.460.858.959.459.660.659.260.965.862.960.462.362.863.863.765.163.165.062.366.265.767.2

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value193115451848175714066841538150212781233124613961440137514891394124211471225120911739631137122212381067114411571122105111339668499091005875829815808777866798940707697654389357261271
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.135.141.340.238.518.438.740.736.336.836.339.039.938.442.939.738.440.642.442.641.836.739.742.042.639.241.140.640.439.440.839.134.237.139.637.737.236.236.334.936.935.037.733.834.332.825.231.325.427.5

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value23-74.026418029-239.0213-120.0-41.068-77.0-41.0-272.01374110210240-118.0-38.0-87.0-26.0-42.0-67.0101-165.0-102.0-167.0308.036118-23.0-108.00.054-34.033-19.0-67.015
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-1.75.94.10.8-6.45.4-3.3-1.22.0-2.2-1.1-7.53.81.22.93.21.4-4.1-1.3-3.1-1.0-1.5-2.33.5-6.1-3.7-5.91.10.31.34.8-0.9-4.40.02.3-1.51.5-0.9-3.00.6

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value23-74.026418029-239.0213-120.0-41.068-75.0-41.0-274.0137
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.097.4100.0100.7100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-1.75.94.10.8-6.45.4-3.3-1.22.0-2.2-1.1-7.63.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value23-74.026418029-239.0213-120.0-41.068-75.0-41.0-274.01374110210239-118.0-38.0-86.0-26.0-40.0-69.0100-166.0-104.0-170.0360.044119-32.0-107.0-1.068-36.037-17.0-70.012
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-1.75.94.10.8-6.45.4-3.3-1.22.0-2.2-1.1-7.63.81.22.93.21.4-4.1-1.3-3.1-1.0-1.4-2.43.4-6.1-3.7-6.01.30.01.64.8-1.3-4.4-0.02.9-1.61.6-0.8-3.10.5

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value23-74.026418029-239.0213-120.0-41.068-75.0-41.0-274.01374110210239-118.0-38.0-86.0-26.0-40.0-69.0100-166.0-104.0-170.044119-32.0-107.0-1.068-36.037-17.0-70.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-1.75.94.10.8-6.45.4-3.3-1.22.0-2.2-1.1-7.63.81.22.93.21.4-4.1-1.3-3.1-1.0-1.4-2.43.4-6.1-3.7-6.01.64.8-1.3-4.4-0.02.9-1.61.6-0.8-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value23-74.026418029-239.0213-120.0-41.068-75.0-41.0-274.01374110210239-118.0-38.0-86.0-26.0-40.0-69.0100-166.0-104.0-170.044119-32.0-107.0-1.068-36.037-17.0-70.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.5-1.75.94.10.8-6.45.4-3.3-1.22.0-2.2-1.1-7.63.81.22.93.21.4-4.1-1.3-3.1-1.0-1.4-2.43.4-6.1-3.7-6.01.64.8-1.3-4.4-0.02.9-1.61.6-0.8-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OtherNonoperatingIncomeExpense

blk:Icapital


Other
Period End2021-06-302021-03-312020-12-31
Value0.02400.0
Percentage of OtherNonoperatingIncomeExpense0.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.05.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:Icapital0.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value154712731740151714026271334111910131060927120310781094231095986787185187779564786983282686080687384174485072970666665065556057558357062256464958438942825733424462
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.128.938.934.738.416.933.530.328.731.727.033.629.930.566.627.326.830.829.430.928.424.730.428.628.431.629.030.630.327.930.629.528.427.225.628.225.125.626.225.626.524.726.027.919.121.516.629.323.76.3

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value4820439844784369364837103977369235243346343435763605358334693508323628242890283728042624286329102905272327842849277826702777247224822449253923202229224922272225234722822493209220321995154411401029987
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:BusinessAcquisition

blk:AperioGroupLimitedLiabilityCompany


Revenue
Period End2021-06-302021-03-31
Value2113
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:AperioGroupLimitedLiabilityCompany100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

blk:RevenueByClientType


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value37573592339332252966305530892980290328052779288329442947289727812667
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByInvestmentStyle


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value37573592339332252966305530892980290328052779288329442947289727812667
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionAndShareholderService


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value369340314288253276270270267262271279294311306298292
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.77.06.66.97.46.87.37.67.87.97.88.28.78.88.59.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.77.06.66.97.46.87.37.67.87.97.88.28.78.88.59.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DistributionAndShareholderService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value37573592339332252966305530892980290328052779288329442947289727812667
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.981.775.873.881.382.377.780.782.483.880.980.681.782.283.579.382.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value340129419532112412391216426100151917028519148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.12.99.412.23.11.16.03.31.80.82.94.22.52.08.25.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.12.99.412.23.11.16.03.31.80.82.94.22.52.08.25.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value383147423964105625349816378711006971
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.71.01.01.11.72.61.71.51.52.41.82.22.02.92.02.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.71.01.01.11.72.61.71.51.52.41.82.22.02.92.02.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologyService


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value316306305282278274274259237204203200198184176169158
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.67.06.86.57.67.46.97.06.76.15.95.65.55.15.14.84.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.67.06.86.57.67.46.97.06.76.15.95.65.55.15.14.84.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TechnologyService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:CoreAndNonCoreStatus, us-gaap:InvestmentType

us-gaap:InvestmentAdvice, blk:AlternativesCurrencyAndCommodities, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5553505135323030242423242625242322
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.21.11.21.00.90.80.80.70.70.70.70.70.70.70.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.21.11.21.00.90.80.80.70.70.70.70.70.70.70.70.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:AlternativesCurrencyAndCommodities blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:IlliquidAlternatives, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value16716816114012814813812211811099898377
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.83.63.23.54.03.53.33.33.32.92.52.32.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.53.83.63.23.54.03.53.33.33.32.92.52.32.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:IlliquidAlternatives blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:LiquidAlternatives, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15014714113211711211210510294949693101
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.33.13.03.23.02.82.82.92.82.72.72.62.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.33.13.03.23.02.82.82.92.82.72.72.62.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:LiquidAlternatives blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:IlliquidAlternatives, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value907.0286.03217965.0152048202.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.90.20.60.10.90.52.40.10.40.61.40.60.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.90.20.60.10.90.52.40.10.40.61.40.60.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:IlliquidAlternatives blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:LiquidAlternatives, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19074285503531992114394.0191233844
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.91.76.411.51.50.52.33.11.10.10.63.41.11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.91.76.411.51.50.52.33.11.10.10.63.41.11.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:LiquidAlternatives blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:IncomeStatementLocation

blk:RevenueByClientType, blk:LongTermRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value36663449319630212755287729182821275626642634272927872796274726372530
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:LongTermRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByInvestmentStyle, blk:LongTermRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value36663449319630212755287729182821275626642634272927872796274726372530
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle blk:LongTermRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:LongTermRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value36663449319630212755287729182821275626642634272927872796274726372530
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax76.178.471.469.175.577.573.476.478.279.676.776.377.378.079.275.278.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:LongTermRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther, blk:AdvisoryRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9.015201417173721221933263321542525
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.40.30.50.50.90.60.60.61.00.70.90.61.60.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.40.30.50.50.90.60.60.61.00.70.90.61.60.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther blk:AdvisoryRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServiceOther, blk:OtherAdvisoryRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2916272822476841313048374550464446
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.40.60.60.61.31.71.10.90.91.41.01.21.41.31.31.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.40.60.60.61.31.71.10.90.91.41.01.21.41.31.31.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ServiceOther blk:OtherAdvisoryRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:InvestmentType

blk:RevenueByClientType, blk:CashManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value91143197204211178171159147141145154157151150144137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:CashManagement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByClientType, blk:EquityETFs


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value1505141710891170
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.232.229.931.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.232.229.931.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:EquityETFs100.0100.0100.0100.0

blk:RevenueByClientType, blk:ISharesETFs


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value13011228108911701194115111281091105411131143115811231067998
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.128.129.931.530.031.232.032.630.731.131.732.332.430.430.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.128.129.931.530.031.232.032.630.731.131.732.332.430.430.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:ISharesETFs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByClientType, blk:Institutional


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value930907879855841835847808782747740756786783784743725
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.619.619.623.122.521.321.922.222.321.521.121.821.922.621.222.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.619.619.623.122.521.321.922.222.321.521.121.821.922.621.222.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:Institutional100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByClientType, blk:InstitutionalActive


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value657650628594546574577558537500502504511527526495476
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.614.814.013.615.015.514.515.115.214.914.614.114.214.715.214.114.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.614.814.013.615.015.514.515.115.214.914.614.114.214.715.214.114.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:InstitutionalActive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByClientType, blk:InstitutionalIndex


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value273257251261295261270250245247238252275256258248249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.75.85.66.08.17.06.86.87.07.46.97.07.67.17.47.17.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.75.85.66.08.17.06.86.87.07.46.97.07.67.17.47.17.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:InstitutionalIndex100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByClientType, blk:RetailClients


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value123111251016938825872877862846826840860858855840827807
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.525.622.721.522.623.522.123.324.024.724.524.023.823.924.223.624.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.525.622.721.522.623.522.123.324.024.724.524.023.823.924.223.624.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByClientType blk:RetailClients100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByInvestmentStyle, blk:ActiveProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value18421739162215111354142714371401136513071328134613521365135613091267
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.239.536.234.637.138.536.137.938.739.138.737.637.538.139.137.339.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.239.536.234.637.138.536.137.938.739.138.737.637.538.139.137.339.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle blk:ActiveProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByInvestmentStyle, blk:CashManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value91143197204211178171159147141145154157151150144137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle blk:CashManagement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:RevenueByInvestmentStyle, blk:EquityIndexAndETFs


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value1824171014011450
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.838.938.439.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.838.938.439.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle blk:EquityIndexAndETFs100.0100.0100.0100.0

blk:RevenueByInvestmentStyle, blk:IndexAndISharesETFs


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value157415101401145014811420139113571306138314351431139113281263
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.134.638.439.137.238.539.540.638.038.739.839.940.137.939.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.134.638.439.137.238.539.540.638.038.739.839.940.137.939.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax blk:RevenueByInvestmentStyle blk:IndexAndISharesETFs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionAndShareholderService, blk:OtherDistributionFees


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1817141513161214151210.09.010.0111110.011
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.30.30.40.40.30.40.40.40.30.30.30.30.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.30.30.40.40.30.40.40.40.30.30.30.30.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DistributionAndShareholderService blk:OtherDistributionFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionAndShareholderService, blk:Retrocessions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value264238217188162169167166164161168168181192185175160
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.44.84.34.44.64.24.54.74.84.94.75.05.45.35.04.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.55.44.84.34.44.64.24.54.74.84.94.75.05.45.35.04.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DistributionAndShareholderService blk:Retrocessions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DistributionAndShareholderService, blk:USMutualFundsDistributionFees


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8785838578919190888993102103108110113121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.91.91.92.12.52.32.42.52.72.72.92.93.03.23.23.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.91.91.92.12.52.32.42.52.72.72.92.93.03.23.23.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DistributionAndShareholderService blk:USMutualFundsDistributionFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value372368352323280292280257244228216209202203194192178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.78.47.97.47.77.97.07.06.96.86.35.85.65.75.65.55.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.78.47.97.47.77.97.07.06.96.86.35.85.65.75.65.55.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:CashManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value91143197204211178171159147141145154157151150144137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.93.34.44.75.84.84.34.34.24.24.24.34.44.24.34.14.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:CashManagement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:EquityActiveProduct


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value641576501457381398403391385375385405426438425418411
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.313.111.210.510.410.710.110.610.911.211.211.311.812.212.311.912.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.313.111.210.510.410.710.110.610.911.211.211.311.812.212.311.912.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:EquityActiveProduct100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:EquityETFs


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value11561068792879
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.024.321.723.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.024.321.723.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:EquityETFs100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:EquityISharesETFs


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value948880792879906872870847827885911926888835776
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.220.121.723.722.823.624.725.324.124.725.325.825.623.824.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.220.121.723.722.823.624.725.324.124.725.325.825.623.824.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:EquityISharesETFs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:EquityNonETFIndex


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value198176159164178163172168163164153169187176177168175
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.03.63.84.94.44.34.64.64.94.54.75.24.95.14.85.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.14.03.63.84.94.44.34.64.64.94.54.75.24.95.14.85.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:EquityNonETFIndex100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:EquityProduct


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19951820160815011351144014811431141813861365145915241540149014211362
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.441.435.934.437.038.837.238.840.241.439.740.842.343.043.040.542.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.441.435.934.437.038.837.238.840.241.439.740.842.343.043.040.542.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:EquityProduct100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:FixedIncome


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value955933925908854852861845806774766763766757749735708
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.821.220.720.823.423.021.622.922.923.122.321.321.221.121.621.021.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.821.220.720.823.423.021.622.922.923.122.321.321.221.121.621.021.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:FixedIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:FixedIncomeActiveProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value545525514498464481491496474457466460458456449437424
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.311.911.511.412.713.012.313.413.513.713.612.912.712.712.912.513.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.311.911.511.412.713.012.313.413.513.713.612.912.712.712.912.513.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:FixedIncomeActiveProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:FixedIncomeETFs


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value294295261259
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.77.27.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.16.77.27.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:FixedIncomeETFs100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:FixedIncomeISharesETFs


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value302297261259258251234220205205207208213210200
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.76.87.27.06.56.86.66.66.05.75.75.86.16.06.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.76.87.27.06.56.86.66.66.05.75.75.86.16.06.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:FixedIncomeISharesETFs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:FixedIncomeNonETFIndex


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value116113109113129112112989897959810193878884
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.62.42.63.53.02.82.72.82.92.82.72.82.62.52.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.62.42.63.53.02.82.72.82.92.82.72.82.62.52.52.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:FixedIncomeNonETFIndex100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, blk:MultiAsset


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value344328311289270293296288288276287298295296314289282
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.17.56.96.67.47.97.47.88.28.28.48.38.28.39.18.28.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.17.56.96.67.47.97.47.88.28.28.48.38.28.39.18.28.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:MultiAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:AlternativeInvestmentsProducts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value280813135098536188119542467143404415715028
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.81.87.011.72.31.04.73.21.50.72.04.01.11.24.54.30.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.81.87.011.72.31.04.73.21.50.72.04.01.11.24.54.30.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:AlternativeInvestmentsProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:EquityProduct


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3626624.0232.0311.04.0237.04318953012
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.61.40.10.60.10.80.00.10.70.21.20.52.70.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.61.40.10.60.10.80.00.10.70.21.20.52.70.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:EquityProduct100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:FixedIncome


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1514229.02.02.08.00.00.02.06.00.0-1.03.0149.01.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.50.20.10.10.20.00.00.10.20.0-0.00.10.40.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.50.20.10.10.20.00.00.10.20.0-0.00.10.40.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:FixedIncome100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:InvestmentPerformance, blk:MultiAsset


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9.08.02210.02.01.0121.06.04.01.09.05.0192.07.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.50.20.10.00.30.00.20.10.00.20.10.50.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.50.20.10.00.30.00.20.10.00.20.10.50.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentPerformance blk:MultiAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:InvestmentAdvice, blk:NonaffiliatedEntities


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value928907870896914880921875842816797838857835832799790
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.619.420.525.123.723.223.723.924.423.223.423.823.324.022.824.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.619.420.525.123.723.223.723.924.423.223.423.823.324.022.824.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice blk:NonaffiliatedEntities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice, srt:AffiliatedEntity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value28292685252323292052217521682105206119891982204520872112206519821877
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.761.156.353.356.258.654.557.058.559.457.757.257.958.959.556.558.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax58.761.156.353.356.258.654.557.058.559.457.757.257.958.959.556.558.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:InvestmentAdvice srt:AffiliatedEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value176962173859176982165118157342149020168622163872163347165008159573174862195549216017220217220567217488230586220177226739222055222958225261222216237008242714239808222812231693216297219873212717193745200738200451192828182480185518179896174282185048178422178459178124
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value138572136019139326129102123308114510133693130268130687132637126033141789162679183434187926190150187601201071190833197178192900193972196217193735208878215058212288195528204627189596193203186531167920175071174834167519157558159915154534149343160378151706152125153522
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets78.378.278.778.278.476.879.379.580.080.479.081.183.284.985.386.286.387.286.787.086.987.087.187.288.188.688.587.888.387.787.987.786.787.287.286.986.386.285.985.786.785.085.286.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value176962173859176982165118157342149020168622163872163347165008159573174862195549216017220217220567217488230586220177226739222055222958225261222216237008242714239808222812231693216297219873212717193745200738200451192828182480185518179896174282185048178422178459178124
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3603335380352833387332730330133354732407318933130932374324153213031978318253004229555291562909828904285682839428503281362777627375273662710626881264782646025999255892534525403250572467225303250482472724424264792609424329
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.420.319.920.520.822.219.919.819.519.020.318.516.414.814.513.613.612.613.212.712.912.712.712.711.711.311.412.211.612.212.012.213.212.612.713.013.513.613.914.213.214.814.613.7

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value740686572112412111593775660633720874
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.50.60.70.30.30.30.40.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value6416626786646507546644064829447639203891630263586599597868946165550857036091545450654981608356734907429357236149512743944390398736683942460642233595255235062983279627793367263621832703470820321656
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.64.93.93.53.02.92.72.42.43.93.63.42.83.12.82.52.52.82.42.32.22.72.62.11.82.42.82.22.02.01.91.92.02.32.22.01.41.91.71.51.61.90.00.00.02.60.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

blk:ConsolidatedSponsoredInvestmentProducts


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value280242206208275316141245
Percentage of CashAndCashEquivalentsAtCarryingValue4.43.92.43.25.07.22.93.9
Percentage of Assets0.20.10.10.10.20.20.10.2
Percentage of Assets blk:ConsolidatedSponsoredInvestmentProducts0.00.00.00.00.00.00.00.0

blk:ConsolidatedVotingRightsEntities


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value63565122474710.059
Percentage of CashAndCashEquivalentsAtCarryingValue1.00.90.60.30.91.10.20.9
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets blk:ConsolidatedVotingRightsEntities0.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value217186155186131
Percentage of CashAndCashEquivalentsAtCarryingValue3.43.01.82.92.7
Percentage of Assets0.10.10.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByAssetClass

us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value7299961249667565430674120371164173131196204163137136125132134116116132198129100
Percentage of CashAndCashEquivalentsAtCarryingValue11.415.914.410.310.39.814.02.79.54.22.72.13.03.42.42.22.52.22.22.52.32.32.23.52.61.7
Percentage of Assets0.40.60.70.40.40.30.40.10.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets us-gaap:MoneyMarketFunds0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel1, us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6416626786646507546644064829447639203891630263586599597868946165550857036091545450654981608356734907429357236149512743944390398736684606
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.64.93.93.53.02.92.72.42.43.93.63.42.83.12.82.52.52.82.42.32.22.72.62.11.82.42.82.22.02.01.91.92.3
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6416626786646507546644064829447639203891630263586599597868946165550857036091545450654981608356734907429357236149512743944390398736684606
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.64.93.93.53.02.92.72.42.43.93.63.42.83.12.82.52.52.82.42.32.22.72.62.11.82.42.82.22.02.01.91.92.3
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value64336360868165245483442348464624404040786505659767416143709662995629583161926248
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.74.94.03.53.02.92.82.52.54.13.83.42.83.22.92.62.52.82.8

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value16103160191523215247152531527315277152211517014180141691411413796138061381213797137481365913677136881370413700137041350813515135121342813434134671348313505134611342313433134671346813459134441332913342133231332913233
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.19.28.69.29.710.29.19.39.38.68.98.17.16.46.36.36.35.96.26.06.26.16.16.15.75.65.66.05.86.26.16.36.96.76.77.07.47.27.47.77.27.57.4

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

srt:Americas


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1466014572137841380513811138301383013797137911379113780137371354813560
Percentage of NoncurrentAssets91.091.090.590.590.590.690.590.690.997.397.397.398.298.2
Percentage of Assets8.38.47.88.48.89.38.28.48.48.48.67.96.96.2
Percentage of Assets srt:Americas0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:AsiaPacific


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value9494888787878787878686828384
Percentage of NoncurrentAssets0.60.60.60.60.60.60.60.60.60.60.60.60.60.6
Percentage of Assets0.10.10.00.10.10.10.10.10.10.10.10.00.00.0
Percentage of Assets srt:AsiaPacific0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Europe


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value134913531360135513551356136013371292303303295165168
Percentage of NoncurrentAssets8.48.48.98.98.98.98.98.88.52.12.12.11.21.2
Percentage of Assets0.80.80.80.80.90.90.80.80.80.20.20.20.10.1
Percentage of Assets srt:Europe0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1779159513931250116011511054113611291020854746
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.90.60.50.50.40.50.60.60.50.4

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

blk:EquipmentAndComputerSoftware


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value822672541444411374387451465443368304
Percentage of PropertyPlantAndEquipmentGross46.242.138.835.535.432.536.739.741.243.443.140.8
Percentage of Assets0.50.40.30.20.20.20.20.20.20.20.20.2
Percentage of Assets blk:EquipmentAndComputerSoftware0.00.00.00.00.00.00.00.00.00.00.00.0

blk:OtherEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value179136135134135135565656
Percentage of PropertyPlantAndEquipmentGross10.18.59.710.711.611.75.34.95.0
Percentage of Assets0.10.10.10.10.10.10.00.00.0
Percentage of Assets blk:OtherEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value333333333317171717171717
Percentage of PropertyPlantAndEquipmentGross1.92.12.42.62.81.51.61.51.51.72.02.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:BuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value303030292915141413131313
Percentage of PropertyPlantAndEquipmentGross1.71.92.22.32.51.31.31.21.21.31.51.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:BuildingImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312012-12-312011-12-312010-12-312009-12-31
Value468348335.0515.01.01.02615
Percentage of PropertyPlantAndEquipmentGross2.65.23.42.60.44.40.50.10.13.02.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value707066676562939391907469
Percentage of PropertyPlantAndEquipmentGross3.94.44.75.45.65.48.88.28.18.88.79.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value6.06.06.06.06.06.04.04.04.04.04.04.0
Percentage of PropertyPlantAndEquipmentGross0.30.40.40.50.50.50.40.40.40.40.50.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value593565534504476491478501482452352324
Percentage of PropertyPlantAndEquipmentGross33.335.438.340.341.042.745.444.142.744.341.243.4
Percentage of Assets0.30.30.30.20.20.20.20.20.20.30.20.2
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12111150109810409799238808768367947507657286986587086716366016316215925706246356055876806716416116496145935725645445144835180.0460426303
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Assets0.70.70.60.60.60.60.50.50.50.50.50.40.40.30.30.30.30.30.30.30.30.30.30.30.30.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.00.30.20.2

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37342727272529282515151311111227252524252525243435353540414141404040403939393939384040404040
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:BusinessAcquisition

blk:AperioGroupLimitedLiabilityCompany


Amortization
Period End2021-06-302021-03-31
Value10.07.0
Percentage of AmortizationOfIntangibleAssets27.020.6
Percentage of Assets0.00.0
Percentage of Assets blk:AperioGroupLimitedLiabilityCompany0.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value741671681693697714715669659656643588581589592571549546559564576581581543545537467468496508525523524529557560571545537545521479428443
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.50.40.40.40.40.40.30.30.30.30.30.30.20.30.20.30.30.30.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.20.2

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value15362153481455114554145561455914562145521451113524135261352613215132171322013226131991311313118131241312813119131231296512970129751296112966129711297512980129381289912904129101290812888128991279212797128021280412805126805533
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.78.88.28.89.39.88.68.98.98.28.57.76.86.16.06.06.15.76.05.85.95.95.85.85.55.35.45.85.66.05.96.16.76.46.46.77.17.07.17.36.97.27.27.10.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

blk:AperioGroupLimitedLiabilityCompany


Goodwillus-gaap:
Period End2021-02-01
Value799
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets blk:AperioGroupLimitedLiabilityCompany0.0

us-gaap:Goodwill us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

blk:Aperio, us-gaap:SubsequentEvent


Goodwillus-gaap:
Period End2021-02-01
Value800
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets blk:Aperio us-gaap:SubsequentEvent0.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-31
Value17578175781757817578175781757817578175781757817578175781757817178171781717817178171781717817178171781717817108171081710816988169911676016597
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.910.19.910.611.211.810.410.710.810.711.010.18.88.07.87.87.97.47.87.67.77.77.67.77.17.78.49.2

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

blk:AcquiredManagementContractsIndefiniteLivedIntangibleAssets


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value161691616916169157691576915699155791558215351
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill92.092.092.091.891.891.891.791.791.6
Percentage of Assets9.19.610.17.27.27.06.57.17.7
Percentage of Assets blk:AcquiredManagementContractsIndefiniteLivedIntangibleAssets0.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1851418516182631829018317183441836918407184771782417839178541736717378173891740017423173381736317387174121734717372173601739417429173441737817418174591750117513173221736217402174421744117480173561739517434174721751217666
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.510.710.311.111.612.310.911.211.310.811.210.28.98.07.97.98.07.57.97.77.87.87.77.87.37.27.27.87.58.18.08.28.98.68.79.09.69.49.610.09.49.89.89.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value9369386857127397667918298992462612761892002112222451601852092342392642523565106427599151075
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.40.40.50.50.50.50.60.10.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.20.30.40.50.6

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:BusinessAcquisition

blk:AperioGroupLimitedLiabilityCompany


Finite
Period End2021-06-302021-03-31
Value270280
Percentage of FiniteLivedIntangibleAssetsNet28.829.9
Percentage of Assets0.20.2
Percentage of Assets blk:AperioGroupLimitedLiabilityCompany0.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

blk:AcquiredManagementContractsFiniteLivedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value111148202167184262354507639
Percentage of FiniteLivedIntangibleAssetsNet16.218.777.479.199.599.299.499.499.5
Percentage of Assets0.10.10.10.10.10.10.10.20.3
Percentage of Assets blk:AcquiredManagementContractsFiniteLivedIntangibleAssets0.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value3884375943
Percentage of FiniteLivedIntangibleAssetsNet56.655.222.620.4
Percentage of Assets0.20.30.00.0
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2020-12-312019-12-31
Value178194
Percentage of FiniteLivedIntangibleAssetsNet26.024.5
Percentage of Assets0.10.1
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.0

us-gaap:TrademarksAndTradeNames


Finite
Period End2020-12-312019-12-31
Value8.012
Percentage of FiniteLivedIntangibleAssetsNet1.21.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:TrademarksAndTradeNames0.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value613629649646663662669
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.40.40.40.40.4

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2369267923172090139315651926543537527452508420
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.51.31.30.91.11.10.30.30.30.30.30.2

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

blk:ConsolidatedSponsoredInvestmentProducts, us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2047241020051855114213421662860
Percentage of EquitySecuritiesFvNi86.490.086.588.882.085.886.3190.3
Percentage of Assets1.21.41.11.10.70.91.00.5
Percentage of Assets blk:ConsolidatedSponsoredInvestmentProducts us-gaap:EquitySecurities0.00.00.00.00.00.00.00.0

blk:ConsolidatedVotingRightsEntities, us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value289388413397302346332291
Percentage of EquitySecuritiesFvNi12.214.517.819.021.722.117.264.4
Percentage of Assets0.20.20.20.20.20.20.20.2
Percentage of Assets blk:ConsolidatedVotingRightsEntities us-gaap:EquitySecurities0.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value17582022159214581330
Percentage of EquitySecuritiesFvNi74.275.568.769.869.1
Percentage of Assets1.01.20.90.90.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:EquitySecurities0.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, blk:EquityMutualFundInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2369267923172090139315601903521515422418472385
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.099.798.895.995.980.192.592.991.7
Percentage of Assets1.31.51.31.30.91.01.10.30.30.30.30.30.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring blk:EquityMutualFundInvestments0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, blk:EquityMutualFundInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2369267923172090139315601903521515422418472385
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.099.798.895.995.980.192.592.991.7
Percentage of Assets1.31.51.31.30.91.01.10.30.30.30.30.30.2
Percentage of Assets us-gaap:FairValueMeasurementsRecurring blk:EquityMutualFundInvestments0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FinancialInstrument

us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2369267923172090139315601903521515422418472385
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.099.798.895.995.980.192.592.991.7
Percentage of Assets1.31.51.31.30.91.01.10.30.30.30.30.30.2
Percentage of Assets us-gaap:EquitySecurities0.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value450239613199393038484623316933423078281021281919180121571612131114081170106595410359028559531056853701766923768692759753627525670681448452484525395316604
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.31.82.42.43.11.92.01.91.71.31.10.91.00.70.60.60.50.50.40.50.40.40.40.40.40.30.30.40.40.30.40.40.30.30.30.40.20.30.30.30.20.20.3

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

blk:ConsolidatedSponsoredInvestmentProducts


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value142108991091239673884
Percentage of OtherAssets3.22.73.12.83.22.12.341.5
Percentage of Assets0.10.10.10.10.10.10.00.6
Percentage of Assets blk:ConsolidatedSponsoredInvestmentProducts0.00.00.00.00.00.00.00.0

blk:ConsolidatedVotingRightsEntities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6.0139.025236.05.08.0
Percentage of OtherAssets0.10.30.30.60.60.10.20.4
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets blk:ConsolidatedVotingRightsEntities0.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value13695908468
Percentage of OtherAssets3.02.42.82.12.1
Percentage of Assets0.10.10.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value64917232726472277190593349555932596449664979499149945036501450004970561949154961495049684930495049474938493859375936593649394938493856875687618661854690469046904688319231923191
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.74.24.14.44.64.02.93.63.73.03.12.92.62.32.32.32.32.42.22.22.22.22.22.22.12.02.12.72.62.72.22.32.52.82.83.23.42.52.62.72.51.81.81.8

us-gaap:LongTermDebt us-gaap:DebtInstrument

blk:FourPointTwoFivePercentNotesDueTwoThousandTwentyOne


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value750750750750750749749749749749749748748747746746746746746746745745745
Percentage of LongTermDebt10.410.310.410.412.615.112.612.615.115.015.015.014.914.914.915.013.315.215.015.115.015.115.1
Percentage of Assets0.40.40.50.50.50.40.50.50.50.50.40.40.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets blk:FourPointTwoFivePercentNotesDueTwoThousandTwentyOne0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blk:OnePointNineZeroPercentNotesDueTwoThousandThirtyOne


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value12391239123912381238
Percentage of LongTermDebt19.117.117.117.117.2
Percentage of Assets0.70.70.70.70.8
Percentage of Assets blk:OnePointNineZeroPercentNotesDueTwoThousandThirtyOne0.00.00.00.00.0

blk:OnePointTwoFivePercentNotesDueTwoThousandTwentyFive


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value827819853818782764781758791781795808812855835822792743732781772791753773
Percentage of LongTermDebt12.711.311.711.310.912.915.812.813.315.716.016.216.317.016.716.415.913.214.915.715.615.915.315.6
Percentage of Assets0.50.50.50.50.50.50.50.50.50.50.50.50.40.40.40.40.40.30.30.30.30.40.30.3
Percentage of Assets blk:OnePointTwoFivePercentNotesDueTwoThousandTwentyFive0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blk:ThreePointFiveZeroPercentNotesDueTwoThousandTwentyFour


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value997997997997997997996996995995995995995994994994994994994992992992992992
Percentage of LongTermDebt15.413.813.713.813.916.820.116.816.720.020.019.919.919.719.819.920.017.720.220.020.020.020.120.0
Percentage of Assets0.60.60.60.60.60.70.60.60.60.60.60.60.50.50.50.50.50.40.50.40.40.40.40.4
Percentage of Assets blk:ThreePointFiveZeroPercentNotesDueTwoThousandTwentyFour0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blk:ThreePointThreeSevenFivePercentNotesDueTwoThousandTwentyTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value750750748748748748748748748748747746746746746746746746746746744744744744
Percentage of LongTermDebt11.610.410.310.410.412.615.112.612.515.115.014.914.914.814.914.915.013.315.215.015.015.015.115.0
Percentage of Assets0.40.40.40.50.50.50.40.50.50.50.50.40.40.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets blk:ThreePointThreeSevenFivePercentNotesDueTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blk:ThreePointTwoFivePercentNotesDueTwoThousandTwentyNine


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value989989989988987986986986986
Percentage of LongTermDebt15.213.713.613.713.716.619.916.616.5
Percentage of Assets0.60.60.60.60.60.70.60.60.6
Percentage of Assets blk:ThreePointTwoFivePercentNotesDueTwoThousandTwentyNine0.00.00.00.00.00.00.00.00.0

blk:ThreePointTwoZeroPercentNotesDueTwoThousandTwentySeven


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value695695695695695695695695695693693693693693693693693693
Percentage of LongTermDebt10.79.69.69.69.711.714.011.711.714.013.913.913.913.813.813.913.912.3
Percentage of Assets0.40.40.40.40.40.50.40.40.40.40.40.40.40.30.30.30.30.3
Percentage of Assets blk:ThreePointTwoZeroPercentNotesDueTwoThousandTwentySeven0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

blk:TwoPointFourZeroPercentNotesDueTwoThousandThirty


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value994993993993993993
Percentage of LongTermDebt15.313.713.713.713.816.7
Percentage of Assets0.60.60.60.60.60.7
Percentage of Assets blk:TwoPointFourZeroPercentNotesDueTwoThousandThirty0.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6491723272647227719059334955593259644966497949914994503650145000497056194915496149504968493049504947493849385937593659364939493849385687
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.74.24.14.44.64.02.93.63.73.03.12.92.62.32.32.32.32.42.22.22.22.22.22.22.12.02.12.72.62.72.22.32.52.8
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value6909755378837857778761475254625762575033503450335065513452255248522558885165540353925354522352585219536553096295633162865284531053086275
Percentage of LongTermDebt106.4104.4108.5108.7108.3103.6106.0105.5104.9101.3101.1100.8101.4101.9104.2105.0105.1104.8105.1108.9108.9107.8105.9106.2105.5108.6107.5106.0106.7105.9107.0107.5107.5110.3
Percentage of Assets3.94.34.54.84.94.13.13.83.83.13.22.92.62.42.42.42.42.62.32.42.42.42.32.42.22.22.22.82.72.92.42.52.73.1
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11549515956576660575359555444505561505257677577879689104114120117135127142144155170178185184175196188189224
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

blk:ConsolidatedSponsoredInvestmentProducts


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2460237321431304149713821166
Percentage of MinorityInterest5020.44652.93632.22328.62626.32093.91976.3
Percentage of Assets1.41.31.30.81.00.80.7
Percentage of Assets blk:ConsolidatedSponsoredInvestmentProducts0.00.00.00.00.00.00.0

blk:ConsolidatedVotingRightsEntities


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value88180117641073490
Percentage of MinorityInterest179.6352.9198.3114.3187.751.5152.5
Percentage of Assets0.10.10.10.00.10.00.1
Percentage of Assets blk:ConsolidatedVotingRightsEntities0.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Minority
Period End2021-03-312020-12-312020-09-302019-12-31
Value2372219320261348
Percentage of MinorityInterest4840.84300.03433.92042.4
Percentage of Assets1.41.21.20.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value159
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value107
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value74
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value58
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value305
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value713732755756774774776724754744
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.50.50.50.50.40.50.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value865
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value110
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3603335380352833387332730330133354732407318933130932374324153213031978318253004229555291562909828904285682839428503281362777627375273662710626881264782646025999255892534525403250572467225303250482472724424264792609424329
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.420.319.920.520.822.219.919.819.519.020.318.516.414.814.513.613.612.613.212.712.912.712.712.711.711.311.412.211.612.212.012.213.212.612.713.013.513.613.914.213.214.814.613.7

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-312009-12-312008-12-312007-12-31
Value3614835429353343393232786330703361332467319503136232433324703218432022318753009729616292062915028961286352846928580282232787227476274852723527019266132661626145257552563125585252612488425524252702493824666267122632824868245531229412150
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.420.420.020.620.822.219.919.819.619.020.318.616.514.814.513.613.612.713.212.812.912.812.712.711.811.311.512.211.712.312.112.313.312.812.813.113.613.814.014.313.315.014.80.013.80.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

blk:RedeemableNoncontrollingInterests


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2242241123222084124814401316113771010091107603686561416320271309194600520517464258258180354947885441703632483879921.04.04.06.05494794926629
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest6.26.86.66.13.84.43.93.52.23.23.41.92.11.81.31.10.91.10.72.11.81.81.60.90.90.70.10.20.20.30.20.20.30.10.10.20.20.30.40.00.00.00.00.00.00.30.22.20.2
Percentage of Assets1.31.41.31.30.81.00.80.70.40.60.70.30.40.30.20.10.10.10.10.30.20.20.20.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.0
Percentage of Assets blk:RedeemableNoncontrollingInterests0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-388.0-411.0-337.0-601.0-781.0-810.0-571.0-784.0-664.0-623.0-691.0-616.0-575.0-301.0-432.0-473.0-575.0-677.0-716.0-598.0-560.0-474.0-448.0-408.0-339.0-439.0-273.0-169.01.0-35.0-35.0-79.0-198.0-166.0-59.0-58.0-126.0-90.0-127.0-110.0-40.0-52.0-96.0-95.0-186.0-165.0-96.0-186.071
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.1-1.2-1.0-1.8-2.4-2.4-1.7-2.4-2.1-2.0-2.1-1.9-1.8-0.9-1.4-1.6-1.9-2.3-2.5-2.1-2.0-1.7-1.6-1.4-1.2-1.6-1.0-0.60.0-0.1-0.1-0.3-0.8-0.6-0.2-0.2-0.5-0.4-0.5-0.4-0.2-0.2-0.40.00.0-0.7-0.4-1.50.6
Percentage of Assets-0.2-0.2-0.2-0.4-0.5-0.5-0.3-0.5-0.4-0.4-0.4-0.4-0.3-0.1-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.1-0.2-0.1-0.10.0-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.1-0.0-0.1-0.1-0.0-0.0-0.10.00.00.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-302009-12-312008-12-31
Value2.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.02.01.01.01.01.01.01.01.01.01.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value1929919123192951915219009188871918819060189491882919170190501895518858192581914719040189311933919238191341902919407193291925419128193881927219183190891947519393193041921219421193242027622504
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest53.454.054.656.458.057.157.158.759.360.059.158.758.958.960.463.664.364.866.366.466.866.867.968.569.169.670.570.871.071.773.274.275.075.075.976.580.285.5
Percentage of Assets10.911.010.911.612.112.711.411.611.611.412.010.99.78.78.78.78.88.28.88.58.68.58.68.78.17.98.18.68.38.88.99.110.09.69.710.011.312.6
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11549515956576660575359555444505561505257677577879689104114120117135127142144155170178185184175196188189180159174224225549
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.20.20.20.30.30.30.30.30.40.40.40.40.50.50.60.60.60.70.70.70.70.70.80.70.70.00.00.70.91.84.5
Percentage of Assets0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.10.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value36033353803528333873327303301333547324073189331309323743241532130319783182530042295552915629098289042856828394285032813627776273752736627106268812647826460259992558925345254032505724672253032504824727244242647926094254002495424648243291206911601
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.799.999.999.899.899.899.899.899.899.899.899.899.899.999.899.899.899.899.899.899.899.799.799.799.799.699.699.599.599.599.499.499.498.999.399.299.199.199.199.299.099.199.10.00.099.199.198.295.5
Percentage of Assets20.420.319.920.520.822.219.919.819.519.020.318.516.414.814.513.613.612.613.212.712.912.712.712.711.711.311.412.211.612.212.012.213.212.612.713.013.513.613.914.213.214.814.60.00.00.013.70.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarningsUnappropriated


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value2562024872243342334022532218722166220873202671977919282188521813817529169661506514523140731366013183126841227112033115331105210597101649673908082086444
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest70.970.268.968.868.766.164.464.363.463.159.558.156.454.753.250.149.048.246.945.544.343.142.140.939.738.637.035.533.630.825.2
Percentage of Assets14.514.313.714.114.314.712.812.712.412.012.110.89.38.17.76.86.76.16.25.85.75.55.35.24.74.44.24.33.93.73.2
Percentage of Assets us-gaap:RetainedEarningsUnappropriated0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-12-312010-09-302010-03-312009-12-312008-12-312007-12-31
Value-8498.0-8204.0-8009.0-8018.0-8030.0-6936.0-6732.0-6742.0-6659.0-6676.0-5387.0-4871.0-4388.0-4108.0-3967.0-3697.0-3433.0-3171.0-3185.0-2919.0-2690.0-2432.0-2489.0-2318.0-2191.0-1927.0-1894.0-1657.0-1416.0-1180.0-1210.0-993.0-750.0-523.0-432.0-274.0-124.0-104.0-218.0-128.0-2.0-111.0-124.0-3.0-3.0-58.0-184.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-23.5-23.2-22.7-23.6-24.5-21.0-20.0-20.8-20.8-21.3-16.6-15.0-13.6-12.8-12.4-12.3-11.6-10.9-10.9-10.1-9.4-8.5-8.7-8.2-7.9-7.0-6.9-6.1-5.2-4.4-4.5-3.8-2.9-2.0-1.7-1.1-0.5-0.4-0.9-0.5-0.0-0.40.0-0.0-0.0-0.5-1.5
Percentage of Assets-4.8-4.7-4.5-4.9-5.1-4.7-4.0-4.1-4.1-4.0-3.4-2.8-2.2-1.9-1.8-1.7-1.6-1.4-1.4-1.3-1.2-1.1-1.1-1.0-0.9-0.8-0.8-0.7-0.6-0.5-0.6-0.5-0.4-0.3-0.2-0.1-0.1-0.1-0.1-0.1-0.0-0.10.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1929719121192931915019007188851918619058189471882719168190481895318856192561914519038189291933719236191321902719405193272.02.02.02.02.02.02.02.02.02.02.01.0
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.911.010.911.612.112.711.411.611.611.412.010.99.78.78.78.78.88.28.88.58.68.58.68.70.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-388.0-411.0-337.0-601.0-781.0-810.0-571.0-784.0-664.0-623.0-691.0-616.0-575.0-301.0-432.0-473.0-575.0-677.0-716.0-598.0-560.0-474.0-448.0-408.0-339.0-439.0-273.0-169.01.0-35.0-35.0-79.0-198.0-166.0-59.0-58.0-126.0-90.0-127.0-110.0-40.0-52.0-96.0-96.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.2-0.2-0.4-0.5-0.5-0.3-0.5-0.4-0.4-0.4-0.4-0.3-0.1-0.2-0.2-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.1-0.2-0.1-0.10.0-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.1-0.0-0.1-0.1-0.0-0.0-0.1-0.1

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-12-312009-12-31
Value84988204800980188030693667326742665966765387487143884108396736973433317131852919269024322489231821911927189416571416118012109937505234322741241042181282.01113.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.74.54.95.14.74.04.14.14.03.42.82.21.91.81.71.61.41.41.31.21.11.11.00.90.80.80.70.60.50.60.50.40.30.20.10.10.10.10.10.00.10.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11549515956576660575359555444505561505257677577879689104114120117135127142144155170178185184175196188189224
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

us-gaap:MinorityInterest us-gaap:ConsolidatedEntities

blk:ConsolidatedSponsoredInvestmentProducts


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2460237321431304149713821166
Percentage of MinorityInterest5020.44652.93632.22328.62626.32093.91976.3
Percentage of Assets1.41.31.30.81.00.80.7
Percentage of Assets blk:ConsolidatedSponsoredInvestmentProducts0.00.00.00.00.00.00.0

blk:ConsolidatedVotingRightsEntities


Minority
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value88180117641073490
Percentage of MinorityInterest179.6352.9198.3114.3187.751.5152.5
Percentage of Assets0.10.10.10.00.10.00.1
Percentage of Assets blk:ConsolidatedVotingRightsEntities0.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Minority
Period End2021-03-312020-12-312020-09-302019-12-31
Value2372219320261348
Percentage of MinorityInterest4840.84300.03433.92042.4
Percentage of Assets1.41.21.20.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-03-312010-03-31
Value182196164160149149140133140154133121135175125127128162113119117172117128126143117100109127108109104127137108
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value182196164160149149140133140154133121135175125127128162113119117172117128126143117100110126108108104127107
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.999.2100.099.1100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value182196164160149149140133140154133121135175125127128162113119117172117128126143117100109127108109104127107109121114122133105137110114113108
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.00.00.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1826-573.019799951707-938.01256931922-225.052312651428-141.014101360114611401903541021967-102.08731236873-156.010731105474-164.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.9-13.044.222.846.8-25.331.625.226.2-6.715.235.439.6-3.940.638.846.445.97.813.944.043.4-4.539.255.637.2-6.843.052.823.3-8.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-285.0-1150.0-77.0-19.0-124.0-34.093-444.0-1545.0-118.0-108.0-558.0-89.0-53.0-97.0-129.0-285.0-21.031285-4.0-60.0-487.0-18.0-82.0-89.0-15.0-147.0-78.0-372.0-30.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.9-26.1-1.7-0.4-3.4-0.92.3-12.0-43.8-3.5-3.1-15.6-2.5-1.5-2.8-3.7-11.5-0.81.311.2-0.2-2.7-21.7-0.8-3.7-3.8-0.7-5.9-3.7-18.3-1.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1475.0-591.01380.0-522.0628-1214.0139604-2112.0-472.0-820.0-599.0-874.0-547.0-620.0-619.0-1388.0-805.0-283.0-426.0158-393.0-310.0-939.0-771.0-465.0-166.0-632.0-617.0-1755.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-30.6-13.43.10.0-14.316.9-30.53.817.1-63.1-13.7-22.9-16.6-24.4-15.8-17.7-25.0-55.9-32.9-11.1-18.47.1-17.5-13.9-42.2-32.9-20.4-6.7-30.2-30.4-88.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value73-2321.0215710411060-423.0222584-38.0-2427.0-92.0-144.0598-953.0797670-202.0-361.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.5-52.848.223.829.1-11.45.615.8-1.1-72.5-2.7-4.016.6-26.623.019.1-6.2-12.8

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value131102-177.08766-133.0-28.0-15.0-28.088-39.0-189.0-8.010.0-1396.01.0-25.0199-8.0-61.0-43.098-83.0-74.0-86.087-73.0-133.0-63.0165-149.0-81.0-56.093-19.0-75.0-32.065-29.0-70.0-86.048-39.0-47.03455
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Deferred
Period End2020-07-31
Value55
Percentage of DeferredIncomeTaxExpenseBenefit0.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-47.0311-231.0664-125.05.01031993299-9.083-43.0-35.0-255.0173-266.0869-250.0-288.0354270-307.0208-497.0750-504.0-1538.01340624-2075.02046-361.0376-201.0371-222.0344-118.08.0-144.01303048129157
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1826-573.019799951707-938.01256931922-225.052312651428-141.014101360114611401903541021967-102.08731236873-156.010731105474-164.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.9-13.044.222.846.8-25.331.625.226.2-6.715.235.439.6-3.940.638.846.445.97.813.944.043.4-4.539.255.637.2-6.843.052.823.3-8.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value137811991548136412148061301111910031053927121610731089230494785786285187578965786184381982281391780875684173072963269064255457255559561956865755143242325631721884
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.627.334.631.233.321.732.730.328.531.527.034.029.830.466.427.026.530.529.430.828.125.030.129.028.230.229.232.229.128.330.329.529.425.827.227.724.925.424.926.726.424.926.426.321.321.216.627.821.28.5

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value154712731740151714026271334111910131060927120310781094231095986787185187779564786983282686080687384174485072970666665065556057558357062256464958438942825733424462
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.128.938.934.738.416.933.530.328.731.727.033.629.930.566.627.326.830.829.430.928.424.730.428.628.431.629.030.630.327.930.629.528.427.225.628.225.125.626.225.626.524.726.027.919.121.516.629.323.76.3

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value182196164160149149140133140154133121135175125127128162113119117172117128126143117100109127108109104127107109121114122133105137110114113108
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-285.0-1150.0-77.0-19.0-124.0-34.093-444.0-1545.0-118.0-108.0-558.0-89.0-53.0-97.0-129.0-285.0-21.031285-4.0-60.0-487.0-18.0-82.0-89.0-15.0-147.0-78.0-372.0-30.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.9-26.1-1.7-0.4-3.4-0.92.3-12.0-43.8-3.5-3.1-15.6-2.5-1.5-2.8-3.7-11.5-0.81.311.2-0.2-2.7-21.7-0.8-3.7-3.8-0.7-5.9-3.7-18.3-1.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13048544048529455475896453033554536193121373061263698266.0191534142818292357412959768335302244
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value214146107721354512149925486859106948992247618522314551.01676110165651161232246.092905.0123991756251385313411438028
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1475.0-591.01380.0-522.0628-1214.0139604-2112.0-472.0-820.0-599.0-874.0-547.0-620.0-619.0-1388.0-805.0-283.0-426.0158-393.0-310.0-939.0-771.0-465.0-166.0-632.0-617.0-1755.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-30.6-13.43.10.0-14.316.9-30.53.817.1-63.1-13.7-22.9-16.6-24.4-15.8-17.7-25.0-55.9-32.9-11.1-18.47.1-17.5-13.9-42.2-32.9-20.4-6.7-30.2-30.4-88.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-312012-09-302011-12-312011-09-30
Value0.00.012469990.00.00.00.07870.00.00.00.09970.00.00.00.0
Percentage of ProceedsFromIssuanceOfLongTermDebt0.00.0100.0100.00.00.00.00.0100.00.00.00.00.0100.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt us-gaap:DebtInstrument

us-gaap:RepaymentsOfLongTermDebt

blk:FourPointTwoFivePercentNotesDueTwoThousandTwentyOne


Repayments
Period End2021-05-31
Value750
Percentage of RepaymentsOfLongTermDebt100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value630661554556554596512513515556497502464505403405407447374376376419361362364389322324326366286287286309256259260285245249248272194193193196
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3055681710.011256577.01097.01788532515321719288287284562281277279562278276279498256256257575259269254461170170104326210212925481060.01473.0114
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

blk:PerformanceBasedStockOptions


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value513.5513.5513.5513.5513.5513.5513.5513.5513.5513.5513.5513.5513.5513.5513.50
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value336935593408351948204831-4979.058375923595261246207
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1028796643393838882791756634635657657
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNet us-gaap:IncomeTaxAuthority

blk:RelatedToSameTaxJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value30417516319202010.04.04.06.010.0
Percentage of DeferredTaxAssetsNet29.622.025.34.82.42.31.30.50.60.91.5

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value94090079562941046637946740434930728511466
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value265168222220294895957871
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:AdditionalBorrowingAvailableSubjectToLenderApproval us-gaap:DebtInstrument

blk:AdditionalBorrowingAvailableSubjectToLenderApproval

blk:TwoThousandTwentyOneRevolvingCreditFacility


Additional
Period End2021-06-302021-03-31
Value0.01000
Percentage of AdditionalBorrowingAvailableSubjectToLenderApproval0.0100.0

blk:TwoThousandTwentyRevolvingCreditFacility


Additional
Period End2020-12-31
Value0.0
Percentage of AdditionalBorrowingAvailableSubjectToLenderApproval0.0

blk:AdditionsToTechnologyServicesDeferredRevenueLiability

blk:AdditionsToTechnologyServicesDeferredRevenueLiability


Additions
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value26181.0302830558.0121113118.012131312
Percentage of AdditionsToTechnologyServicesDeferredRevenueLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:CharitableContribution

blk:CharitableContribution


Charitable
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0589
Percentage of CharitableContribution0.00.00.0100.0

blk:CharitableContributionOfInvestment

blk:CharitableContributionOfInvestment


Charitable
Period End2020-12-312020-09-302020-06-302020-03-31
Value-1178.00.00.0589
Percentage of CharitableContributionOfInvestment100.00.00.0100.0

blk:ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders

blk:ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders


Contributions
Period End2021-06-302020-06-30
Value63-1.0
Percentage of ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders100.0100.0

blk:ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

blk:RedeemableNoncontrollingInterests


Contributions
Period End2021-06-302020-06-30
Value154-56.0
Percentage of ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders244.45600.0

us-gaap:NoncontrollingInterest


Contributions
Period End2021-06-302020-06-30
Value63-1.0
Percentage of ContributionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders100.0100.0

blk:DirectFundExpense

blk:DirectFundExpense


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value320320283257246277245239252242224249264261238234224208183200195188
Percentage of DirectFundExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:DiscreteTaxBenefits

blk:DiscreteTaxBenefits


Discrete
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.039122.064-9.023
Percentage of DiscreteTaxBenefits0.0100.0100.0100.0100.0100.0100.0

blk:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements

blk:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value175.011-1.0-171.0220.044-112.032365013-15.0-6750.03375537212
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value175.011-1.0-171.02210244-120.0-18.0-4.06.0-16.00.03.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuancesAndOtherSettlements100.0100.0100.0100.0100.0100.00.0100.0107.1-56.2-11.112.00.00.00.0

blk:FairValueOfRestrictedStockUnitsAndRestrictedStockGrantedToEmployees

blk:FairValueOfRestrictedStockUnitsAndRestrictedStockGrantedToEmployees


Fair
Period End2021-06-302021-03-312020-12-31
Value5057512
Percentage of FairValueOfRestrictedStockUnitsAndRestrictedStockGrantedToEmployees100.0100.0100.0

blk:GainRelatedToCharitableContribution

blk:GainRelatedToCharitableContribution


Gain
Period End2020-12-312020-09-302020-06-302020-03-312014-12-312014-09-302013-12-312013-09-30
Value0.00.00.01220.00.00.00.0
Percentage of GainRelatedToCharitableContribution0.00.00.0100.00.00.00.00.0

blk:IncomeTaxExpenseBenefitNetNoncashRelatedToRevaluationOfDeferredTaxAssetsAndLiabilities

blk:IncomeTaxExpenseBenefitNetNoncashRelatedToRevaluationOfDeferredTaxAssetsAndLiabilities


Income
Period End2021-06-302020-09-30
Value17154
Percentage of IncomeTaxExpenseBenefitNetNoncashRelatedToRevaluationOfDeferredTaxAssetsAndLiabilities100.0100.0

blk:IncreaseDecreaseInDeferredInterestLiabilityDueToUnrealizedAllocations

blk:IncreaseDecreaseInDeferredInterestLiabilityDueToUnrealizedAllocations


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value46116614629-87.0621431748514817225.02123209.0
Percentage of IncreaseDecreaseInDeferredInterestLiabilityDueToUnrealizedAllocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:IncreaseDecreaseInNonControllingInterests

blk:IncreaseDecreaseInNonControllingInterests


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-489.0-607.0-655.0133-324.0-568.0-399.0-33.0-554.0-306.0-9.0-285.0-53.0-213.0-55.0-44.0-154.0-28.0-558.0-187.0-394.0-300.0-19.0-46.0-57.018-15.0-61.0-177.0-16.0-1.0-58.0-163.0-7.0-145.0-34.0-87.0-159.08.0-10.0
Percentage of IncreaseDecreaseInNonControllingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:MoneyMarketFeesWaived

blk:MoneyMarketFeesWaived


Money
Period End2021-06-302021-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value160700.00.00.06.01417131225323743
Percentage of MoneyMarketFeesWaived100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:NetConsolidationsDeconsolidationsOfSponsoredInvestmentFunds

blk:NetConsolidationsDeconsolidationsOfSponsoredInvestmentFunds


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.038292.0251514-1.05146-1.00.0-1.0534.0280.054128.0811.0108-27.090300.03.0-15.0600.03.07.0
Percentage of NetConsolidationsDeconsolidationsOfSponsoredInvestmentFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

blk:NetGainsLossesRealizedOnConsolidatedSponsoredInvestmentProducts

blk:NetGainsLossesRealizedOnConsolidatedSponsoredInvestmentProducts


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value206104340230322-391.094-6.044122
Percentage of NetGainsLossesRealizedOnConsolidatedSponsoredInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:NetInvestmentHedgeTaxExpenseBenefit

blk:NetInvestmentHedgeTaxExpenseBenefit


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2.0-8.09.08.04.0-4.06.0-8.02.0-3.0-3.0-1.011-5.0-5.0-11.0-18.0-4.018-4.08.0-14.07.00.04.0
Percentage of NetInvestmentHedgeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

blk:NetPurchasesProceedsWithinConsolidatedSponsoredInvestmentProducts

blk:NetPurchasesProceedsWithinConsolidatedSponsoredInvestmentProducts


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-147000000.0-612000000.0-679000000.0-775000000.032000000.0-860000000.0-640000000.0-543000000.0-343000000.0-220000000.0
Percentage of NetPurchasesProceedsWithinConsolidatedSponsoredInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:NoncashLeaseExpense

blk:NoncashLeaseExpense


Noncash
Period End2021-06-302021-03-312020-06-302020-03-31
Value32312829
Percentage of NoncashLeaseExpense100.0100.0100.0100.0

blk:NoncontrollingInterestConsolidationDeconsolidationOfInvestment

blk:NoncontrollingInterestConsolidationDeconsolidationOfInvestment


Noncontrolling
Period End2021-06-302019-09-302019-06-302019-03-312017-12-312017-09-302015-12-312015-09-30
Value1.03.0-2.0-1.00.00.00.00.0
Percentage of NoncontrollingInterestConsolidationDeconsolidationOfInvestment100.0100.0100.0100.00.00.00.00.0

blk:NoncontrollingInterestConsolidationDeconsolidationOfInvestment us-gaap:StatementEquityComponents

blk:RedeemableNoncontrollingInterests


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-490.0-607.0-655.0133-324.0-568.0-397.0-36.0-552.0-305.0-9.0-285.0-53.0-213.0-55.0-44.0-168.0-28.0-558.0-187.0-394.0-300.0-19.0-46.0-237.018
Percentage of NoncontrollingInterestConsolidationDeconsolidationOfInvestment-49000.00.00.00.00.00.00.0-1200.027600.030500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302019-09-302019-06-302019-03-312017-12-312017-09-302015-12-312015-09-30
Value1.03.0-2.0-1.00.00.00.00.0
Percentage of NoncontrollingInterestConsolidationDeconsolidationOfInvestment100.0100.0100.0100.00.00.00.00.0

blk:OperatingExpensesOffsetAmountByNoncashNonOperatingPreTaxGainOnSaleOfEquityMethodInvestments dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

blk:OperatingExpensesOffsetAmountByNoncashNonOperatingPreTaxGainOnSaleOfEquityMethodInvestments

blk:BlackRockFoundation, blk:PennyMacFinancialServicesInc


Operating
Period End2020-12-31
Value0.0
Percentage of OperatingExpensesOffsetAmountByNoncashNonOperatingPreTaxGainOnSaleOfEquityMethodInvestments0.0

blk:OperatingExpensesRelatedToCharitableContribution dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

blk:OperatingExpensesRelatedToCharitableContribution

blk:BlackRockFoundation, blk:PennyMacFinancialServicesInc


Operating
Period End2020-12-31
Value0.0
Percentage of OperatingExpensesRelatedToCharitableContribution0.0

blk:PerformanceFeeRevenueRecognized

blk:PerformanceFeeRevenueRecognized


Performance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value772.09.00.03010.0480.010.017122.04.0
Percentage of PerformanceFeeRevenueRecognized100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0

blk:ProceedsFromRepaymentsOfBorrowingsByConsolidatedSponsoredInvestmentProducts

blk:ProceedsFromRepaymentsOfBorrowingsByConsolidatedSponsoredInvestmentProducts


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.013138.08.0229.0448.050
Percentage of ProceedsFromRepaymentsOfBorrowingsByConsolidatedSponsoredInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:ProfitLossExcludingRedeemableNoncontrollingInterests

blk:ProfitLossExcludingRedeemableNoncontrollingInterests


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-03-312010-03-31
Value1380119915491362121480613081119100310539261208108310882303948858863851874788657864843788856806873840743850729707666564428
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterests100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:ProfitLossExcludingRedeemableNoncontrollingInterests us-gaap:StatementEquityComponents

blk:RedeemableNoncontrollingInterests


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312010-12-312010-09-30
Value16774191155188-179.0260.010.07.01.0-5.0-5.06.07.0119.08.03.07.0-10.05.0-11.03.04.00.00.01.01.00.00.02.03.03.01.01.00.0
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterests12.16.212.311.415.5-22.22.00.01.00.70.1-0.4-0.50.60.31.21.00.90.30.9-1.50.6-1.30.40.50.00.00.10.10.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302020-12-312020-09-302018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.01.0-2.0-8.010.0-1.0-1.01.01.01.00.0-1.03.00.04.0-1.0-1.03.04.03.07.05.01.07.0-3.08.0-8.01410.0-9.08.0118.023-16.04.0
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterests0.10.1-0.1-0.70.9-0.1-0.00.10.10.10.0-0.10.30.00.5-0.1-0.10.30.50.40.80.70.11.10.00.00.00.00.00.00.02.00.00.00.00.9

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1378119915481364121480613011119100310539271216107310892304947857862851875789657861843819822813917808756841730729632690642554572555595619568657551432423
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterests99.9100.099.9100.1100.0100.099.5100.0100.0100.0100.1100.799.1100.1100.099.999.999.9100.0100.1100.1100.099.7100.0103.996.0100.9105.096.2101.798.9100.1103.194.90.00.00.00.00.00.00.0100.70.00.00.098.8

us-gaap:RetainedEarningsUnappropriated


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1378119915481364121480613011119100310539271216107310892304947857862851875789657861843819822813917
Percentage of ProfitLossExcludingRedeemableNoncontrollingInterests99.9100.099.9100.1100.0100.099.5100.0100.0100.0100.1100.799.1100.1100.099.999.999.9100.0100.1100.1100.099.7100.0103.996.0100.9105.0

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOfGrantDateStockPrice us-gaap:AwardType

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOfGrantDateStockPrice

blk:PerformanceBasedStockOptions


Share
Period End2021-06-302021-03-31
Value0125.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOfGrantDateStockPrice0.0100.0

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue us-gaap:AwardType

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue

blk:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-31
Value0.01220.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue0.0100.00.0

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageAdditionalGrantDateFairValue us-gaap:AwardType

blk:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageAdditionalGrantDateFairValue

blk:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-31
Value0566.440
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageAdditionalGrantDateFairValue0.0100.00.0

blk:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders

blk:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders


Subscriptions
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-2.0-9.05.0-1.0-9.01.00.06.0-5.05.09.00.0-5.0-4.0-7.0-4.0-3.0-5.0-9.0-7.0-2.0-13.0-9.0
Percentage of SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

blk:RedeemableNoncontrollingInterests


Subscriptions
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value622702548-56.08715504632432005122071833521448212113515226439036322057
Percentage of SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders-31100.0-7800.010960.05600.0-9677.855000.00.04050.0-4000.010240.02300.00.0-7040.0-3600.0-1171.4-3025.0-4500.0-3040.0-2933.3-5571.4-18150.0-1692.3-633.3

us-gaap:NoncontrollingInterest


Subscriptions
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-2.0-9.05.0-1.0-9.01.00.06.0-5.05.09.00.0-5.0-4.0-7.0-4.0-3.0-5.0-9.0-7.0-2.0-13.0-9.0
Percentage of SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution

blk:TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution


Tax
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0-241.0
Percentage of TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution0.00.00.0100.0

blk:TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

blk:BlackRockFoundation, blk:PennyMacFinancialServicesInc


Tax
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0241
Percentage of TaxEffectsOfDiscreteItemsRecognizedInConnectionWithCharitableContribution0.00.00.0-100.0

blk:TechnologyServicesRevenueRecognizedThatIncludedInBeginningBalance

blk:TechnologyServicesRevenueRecognizedThatIncludedInBeginningBalance


Technology
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3030-17.03334322.0219.08.08.010.010.08.09.07.06.0
Percentage of TechnologyServicesRevenueRecognizedThatIncludedInBeginningBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.02681710.0132577.09.07.02227.0152138413129.02876.02.04.02623.01.04.02236.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.02681710.0132577.09.07.02227.0152138413129.02876.02.04.02623.01.04.02236.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.02681710.0132577.09.07.02227.0152138413129.02876.02.04.02623.01.04.02236.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAcquiredFromAcquisition us-gaap:BusinessAcquisition

us-gaap:CashAcquiredFromAcquisition

blk:AperioGroupLimitedLiabilityCompany


Cash
Period End2021-02-01
Value4.0
Percentage of CashAcquiredFromAcquisition100.0

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed us-gaap:DebtInstrument

us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed

blk:OnePointNineZeroPercentNotesDueTwoThousandThirtyOne


Debt
Period End2020-12-312020-09-30
Value099.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.0

blk:TwoPointFourZeroPercentNotesDueTwoThousandThirty


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value099.001.0
Percentage of DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed0.0100.00.00.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value101971611711411111110510089565754535065675858575856516865636370727376717272767472737776737379747978
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-47.0-27.0-21.022-101.05467-41.0-63.0-14.025-39.0-91.035-23.03.0-7.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ForeignExchangeForward, us-gaap:GeneralAndAdministrativeExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.07.08164-10.0-88.0111-43.0-49.036-34.0-27.0-93.0305.02925
Percentage of DerivativeGainLossOnDerivativeNet-6.4-25.9-385.7290.99.9-163.0165.7104.977.8-257.1-136.069.2102.285.7-21.7966.7-357.1

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation

us-gaap:TotalReturnSwap, us-gaap:NonoperatingIncomeExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-50.0-34.0-102.0-42.0-91.0142-44.02.0-14.0-50.059-12.02.05.0-28.0-26.0-30.0
Percentage of DerivativeGainLossOnDerivativeNet106.4125.9485.7-190.990.1263.0-65.7-4.922.2357.1236.030.8-2.214.3121.7-866.7428.6

us-gaap:DividendsCash

us-gaap:DividendsCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-03-312010-03-31
Value630661554556554596512513515556497502464505403405407447374376376419361362364389322324326366286287286309272196
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementEquityComponents

us-gaap:Parent


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value630661554556554596512513515556497502464505403405407447374376376419361362364389322324326366286287286309256259260285245249248272194193193196
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.00.00.00.0100.0

us-gaap:RetainedEarningsUnappropriated


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value630661554556554596512513515556497502464505403405407447374376376419361362364389322324
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-7.011765-1.0-79.087-42.0-19.028-35.0-31.0-142.011531597032
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value178.07.02.010.013418.07.0147.06.07.010.011118.05.0154.02.010.09.07.0169.01322157.0417.01517131110.08.04.05.0165.03.02.05.04.0
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-09-302016-06-302015-09-302015-06-30
Value-1000000.0-3000000.0025000000.0-19000000.0-11000000.0-35000000.01000000.0-13000000.0-6000000.0-32000000.0-30000000.0-2000000.03000000.04000000.0-5000000.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1000000.0-3000000.0025000000.0-19000000.0-11000000.0-35000000.01000000.0-13000000.0-6000000.0-32000000.0-30000000.03000000.0-6000000.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value209.0390.018182032
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:ConsolidatedEntities, us-gaap:InvestmentType

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:PrivateEquityFunds


Fair
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.08.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.00.044.4

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByAssetClass

us-gaap:Investments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-31
Value2714391.019271123.02.0534.00.00.0313.00.0272.0260.027
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases135.0155.6100.00.0105.6150.0560.09.40.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument

blk:TradingSecuritiesAssets, us-gaap:DebtSecurities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value7.05.00.01.01.01.05.03.02.04.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases35.055.60.00.05.65.625.09.40.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value7.05.00.01.01.01.05.03.02.04.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases35.055.60.00.05.65.625.09.40.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Fair
Period End2020-12-312020-09-30
Value259.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:ConsolidatedEntities, us-gaap:InvestmentType

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:PrivateEquityFunds


Fair
Period End2020-12-312020-09-302020-06-302020-03-31
Value1.06.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales4.066.70.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:FairValueByAssetClass

us-gaap:Investments


Fair
Period End2020-12-312020-09-302020-06-302020-03-31
Value26150.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales104.0166.70.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value6.04.036-32.016
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 us-gaap:FairValueByAssetClass

us-gaap:Investments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value6.04.0360.0-16.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3100.0100.0100.0-0.0-100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CollateralizedLoanObligations


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.010.03.03.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:ConsolidatedEntities, us-gaap:InvestmentType

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:PrivateEquityFunds


Fair
Period End2021-06-302019-12-312019-09-30
Value4.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:FairValueByAssetClass

us-gaap:Investments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.0123.03.0751.00.04.00.00.031282.00.0310.00.02425
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.0120.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:FairValueByAssetClass, us-gaap:FinancialInstrument

blk:TradingSecuritiesAssets, us-gaap:DebtSecurities


Fair
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.02.02.00.00.04.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.020.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Fair
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.02.02.00.00.04.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.020.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302015-12-312015-09-30
Value-1.0-3.00.00.0-12.0-11.0-35.01.0-13.0-6.0-32.0-30.02.04.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1.0-3.00.00.0-12.0-11.0-35.01.0-13.0-6.0-32.0-30.03.0-6.0-8.0-7.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:FinitelivedIntangibleAssetsAcquired1


Finitelived
Period End2021-06-302021-03-312019-09-30
Value35287-42.0
Percentage of FinitelivedIntangibleAssetsAcquired1100.0100.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

blk:AperioGroupLimitedLiabilityCompany, us-gaap:CustomerRelationships


Finitelived
Period End2021-02-01
Value270
Percentage of FinitelivedIntangibleAssetsAcquired10.0

blk:AperioGroupLimitedLiabilityCompany, us-gaap:TechnologyBasedIntangibleAssets


Finitelived
Period End2021-02-01
Value8.0
Percentage of FinitelivedIntangibleAssetsAcquired10.0

blk:AperioGroupLimitedLiabilityCompany, us-gaap:TradeNames


Finitelived
Period End2021-02-01
Value9.0
Percentage of FinitelivedIntangibleAssetsAcquired10.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312012-03-072012-03-31
Value799210112
Percentage of GoodwillAcquiredDuringPeriod100.0100.0100.0

us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:GoodwillOtherIncreaseDecrease


Goodwill
Period End2021-06-302021-03-31
Value-3000000.0-2000000.0
Percentage of GoodwillOtherIncreaseDecrease100.0100.0

us-gaap:GoodwillPurchaseAccountingAdjustments

us-gaap:GoodwillPurchaseAccountingAdjustments


Goodwill
Period End2020-12-31
Value-3000000.0
Percentage of GoodwillPurchaseAccountingAdjustments100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8225735164-40.0273332242.0273233303228324235333.0328.0183325415339482535505165144510.0-28.00.04137561335
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value501556890-59.0-214.0-50.0-45.040-56.0-121.0137-241.0268-287.0145-464.0914-258.0-256.0239326-273.054-421.0654-542.0-1538.01490521-2257.02057-390.0597-375.0399-230.0320-242.027-229.0292-227.014840203
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredCompensation us-gaap:PlanName, us-gaap:SubsequentEventType

us-gaap:IncreaseDecreaseInDeferredCompensation

blk:DeferredCompensationPlans, us-gaap:SubsequentEvent


Increase
Period End2021-01-31
Value321
Percentage of IncreaseDecreaseInDeferredCompensation100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value631-1432.0693679337-1222.0583405324-1254.0364398370-1362.0543473370-1110.0398419393-1296.0411419456-1188.0373396411-1079.0428376346-947.0337358296-853.0280224338-982.0381353181-863.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value599731-804.047-852.01669-366.0172017.03213-296.047422-140.022910116-43.09958-140.0-28.020091-138.0-101.015882-5.03.0111-17.0-229.0-13.0231-24.0-34.0-40.012868-74.0-182.0169-149.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value142698-623.071-917.01479-392.0-20.011159-159.0147-156.044899-289.035851-70.0-4.0-225.0246-7.01111390-23.08716-93.064-16.037-5.058-35.030110238243-31.056-103.013623
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:IncreaseDecreaseInTradingSecurities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value20-82.0-7.0-39.018-132.0-168.0327780193-125.0-57.0217717-60.01881715613785182-23.089336227877.09513135121-51.04679.012176852.0281.0-21.030
Percentage of IncreaseDecreaseInTradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:EmployeeStockOption


Incremental
Period End2021-06-302021-03-31
Value670080.0450340.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0

us-gaap:RestrictedStockUnitsRSU


Incremental
Period End2021-06-302021-03-312020-06-302020-03-31
Value1304500.01284000.0979150.01173400.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements194.7285.10.00.0

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeInterestAndDividend


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.019289.010.01529192029412919151415137.07.0226.05.05.0125.04.06.010.03.010.04.08.04.06.09.010.08.09.09.0124.09.010.010.05.04.0
Percentage of InvestmentIncomeInterestAndDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1548140913411411115211371212111110831064102010971082112111471088999102198796997794798910231012981926973948982925866864905848828786825774771824830841774709773
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value49494847464648464442
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty

us-gaap:LitigationSettlementAmountAwardedToOtherParty


Litigation
Period End2021-02-05
Value9650000.0
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value39393737363737363434
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value41404038383837353535
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

blk:AperioGroupLimitedLiabilityCompany


Payments
Period End2021-02-01
Value1066
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

blk:Aperio, us-gaap:SubsequentEvent


Payments
Period End2021-02-01
Value1100
Percentage of PaymentsToAcquireBusinessesGross103.2

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3510620.04.00.00.0290.00.01850.00.0880.00.00.00.058
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.0100.00.00.0100.00.00.0100.00.00.0100.00.00.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

blk:AperioGroupLimitedLiabilityCompany


Payments
Period End2021-02-01
Value1100
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2134593132615633407.06.06.07.05.06.08.08.010.08.0119.06.010.010.0379.01397258.03213132522
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-12.05.03.05.0-40.0-2.0-255.0254-123.0-13.00.0-19.03.03.04.0-3.02.0-7.07.03.02.0-17.0-1.07.01.06.0-2.01.0-13.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromPaymentsToMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value217620693553-57.08625514632491955172161833471407511713214725538336120748123106-8.05213325161268107107224412781-12.0-1.0-14.02243369.0
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74110546452172668044274923939122455743211631864133-5.0147162152150167712666122861173041821337671261210450742829
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenuesExcludingInterestAndDividends

us-gaap:RevenuesExcludingInterestAndDividends


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value4820439844784369364837103977369235243346343435763605358334693233296528242890283728042624286329102905272327842849277826702777247224822449253923202229224922272225234722822493209220321995154411401029987
Percentage of RevenuesExcludingInterestAndDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenuesExcludingInterestAndDividends us-gaap:StatementGeographical

srt:Americas


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value31582810301226312470248026522445236622402314232823372324242022192116
Percentage of RevenuesExcludingInterestAndDividends65.563.967.360.267.766.866.766.267.166.967.465.164.864.969.868.671.4

srt:AsiaPacific


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value222201187164158163185167163163161165186166210168155
Percentage of RevenuesExcludingInterestAndDividends4.64.64.23.84.34.44.74.54.64.94.74.65.24.66.15.25.2

srt:Europe


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1440138712791574102010671140108099594395910831082109311341121965
Percentage of RevenuesExcludingInterestAndDividends29.931.528.636.028.028.828.729.328.228.227.930.330.030.532.734.732.5

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1513160.030476310.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-12-31
Value27.88546.890.337.575.64-16.63437.443.01-6.990.60.143.87334.56-40.72.922.05
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.21739.10.710.51-1.39533.480.011.183.11410.11-8.54-5.13-0.54565.834.261.430.61375.322.110.551.89296.46-0.71-0.160.45343.910.81-0.010.37318.310.060.471.75232.47
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

blk:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0739.22000533.58000410.32000566.44000375.27000296.97000343.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.0-0.0100.00.00.00.0100.1-0.0-0.0-0.0100.10.00.00.0100.00.00.00.0100.2-0.0-0.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-0.21508.182.421.691.45423.922.442.325.6369.492.330.590.52336.950.850.490.49319.291.450.680.36281.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

blk:PerformanceBasedRestrictedStockUnits


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0566.44000375.26000296.57000343.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue-0.0111.50.00.00.088.50.00.00.080.30.00.00.0102.1

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

blk:PerformanceBasedStockOptions


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice0.0

us-gaap:SponsorFees

us-gaap:SponsorFees


Sponsor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value5235055054564294454384274164044204084154321311231211171091141099710310210599969089898785909182949395879010010836
Percentage of SponsorFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssued1

us-gaap:StockIssued1


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6.03682117274501222204951326385751420195731324146165872124581411186032724143641214173356.00.01.02069.022
Percentage of StockIssued1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.05.05.05.04.03.05.04.04.04.03.06.03.03.04.03.03.03.02.0247.03.049773.07.05.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-6.0-368.0-21.0-17.0-27.0-450.0-12.0-22.0-20.0-495.0-13.0-26.0-38.0-575.0-14.0-20.0-19.0-573.0-13.0-24.0-14.0-616.0-58.0-72.0-12.0-458.0-14.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan-120.0-7360.0-420.0-340.0-675.0-15000.0-240.0-550.0-500.0-12375.0-433.3-433.3-1266.7-19166.7-350.0-666.7-633.3-19100.0-650.0-100.0-200.0-20533.3-118.4-93.5-400.0-6542.9-280.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5.05.05.05.04.03.05.04.04.04.03.06.03.03.04.03.03.03.02.0247.03.049773.07.05.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value113732622314531726244991632415781823225761548216191071491546519
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan220.07460.0520.0440.0775.015100.0340.0650.0600.012475.0533.3533.31366.719266.7450.0766.7733.319200.0750.0200.0300.020633.3218.4193.5500.06642.9380.0

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax

us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax


Translation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-6.0-26.0-27.0-26.0-14.013-17.025-8.0118.04.034-16.0-8.0-18.0-31.0-7.030-5.012-23.014-2.07.0
Percentage of TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
Period End2020-09-30
Value0
Percentage of TreasuryStockSharesAcquired0.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3003000.00.011124000.01000.01566525500300335275275275275275275275300275275275275250250250250250250250250
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:Parent


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3003000.00.011124000.01000.01566525500300335275275275275275275275300275275275275250250250250250250250250
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value3003000.00.011124000.01000.01566525500300335275275275275275275275300275275275275250250250250250250250250
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:SubsidiarySaleOfStock

blk:OpenMarketTransactions


Treasury
Period End2020-09-30
Value0.0
Percentage of TreasuryStockValueAcquiredCostMethod0.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.010.01110.010.09.01110.010.08.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:AmountOfUnfundedCommitmentsContractuallyObligatedToFund us-gaap:ConsolidatedEntities, us-gaap:InvestmentType

blk:AmountOfUnfundedCommitmentsContractuallyObligatedToFund

us-gaap:VariableInterestEntityPrimaryBeneficiary, blk:PrivateEquityFundsOfFunds


Amount
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1717171722
Percentage of AmountOfUnfundedCommitmentsContractuallyObligatedToFund100.0100.0100.0100.0100.0

blk:BankLoanFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

blk:BankLoanFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value10.023169.03.0232714
Percentage of BankLoanFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value26123523221722918117770
Percentage of BankLoanFairValueDisclosure2610.01021.71450.02411.17633.3787.0655.6500.0

blk:BankLoanFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value27125824822623220420484
Percentage of BankLoanFairValueDisclosure2710.01121.71550.02511.17733.3887.0755.6600.0

blk:BookValueOfCommonStockPerShare

blk:BookValueOfCommonStockPerShare


Book
Period End2020-12-31
Value231.31
Percentage of BookValueOfCommonStockPerShare100.0

blk:CarriedInterestSubjectToClawback us-gaap:ConsolidatedEntities

blk:CarriedInterestSubjectToClawback

blk:ConsolidatedSponsoredInvestmentProducts


Carried
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1184778604462440552514369
Percentage of CarriedInterestSubjectToClawback100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Carried
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1184778604462514
Percentage of CarriedInterestSubjectToClawback100.0100.0100.0100.0100.0

blk:CarriedInterestSubjectToClawback us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:PortionAtOtherThanFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Carried
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1213805627483458569528161214181832323220191418262219
Percentage of CarriedInterestSubjectToClawback102.4103.5103.8104.5104.1103.1102.70.00.00.04.90.00.00.00.00.00.00.00.00.00.00.0

blk:CarriedInterestSubjectToClawback us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Carried
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1213805627483458569528161214181832323220191418262219
Percentage of CarriedInterestSubjectToClawback102.4103.5103.8104.5104.1103.1102.70.00.00.04.90.00.00.00.00.00.00.00.00.00.00.0

blk:CashAndSecuritiesCollateralForBorrowedSecuritiesIndemnified

blk:CashAndSecuritiesCollateralForBorrowedSecuritiesIndemnified


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value316000312000289000265000
Percentage of CashAndSecuritiesCollateralForBorrowedSecuritiesIndemnified100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapital

blk:CommonEquityTierOneRiskBasedCapital


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value740686572112412111593
Percentage of CommonEquityTierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value182220455981
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy100.0100.0100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets

blk:CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4.50.0450.0450.0450.0450.045
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2632286585117
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized100.0100.0100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

blk:CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.50.0650.0650.0650.0650.065
Percentage of CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets100.0100.0100.0100.0100.0100.0

blk:CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets

blk:CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value184.61.3771.3111.1170.9250.886
Percentage of CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0

blk:DebtDesignatedAsNetInvestmentHedge us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

blk:DebtDesignatedAsNetInvestmentHedge

us-gaap:ForeignExchangeContract, us-gaap:DesignatedAsHedgingInstrument


Debt
Period End2020-12-31
Value700
Percentage of DebtDesignatedAsNetInvestmentHedge100.0

blk:DeferredCarriedInterestLiability

blk:DeferredCarriedInterestLiability


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1132748584447418535483388365327293257242224219192169151152
Percentage of DeferredCarriedInterestLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:DeferredTaxAssetsTaxDeferredExpenseUnrealizedInvestmentLosses

blk:DeferredTaxAssetsTaxDeferredExpenseUnrealizedInvestmentLosses


Deferred
Period End2020-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2028421141579971110108
Percentage of DeferredTaxAssetsTaxDeferredExpenseUnrealizedInvestmentLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:DeferredTaxLiabilitiesAcquiredFiniteLivedIntangibles

blk:DeferredTaxLiabilitiesAcquiredFiniteLivedIntangibles


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1591794840364565110158208271325
Percentage of DeferredTaxLiabilitiesAcquiredFiniteLivedIntangibles100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:EconomicInterestsInConsolidatedInvestmentProducts us-gaap:ConsolidatedEntities

blk:EconomicInterestsInConsolidatedInvestmentProducts

blk:ConsolidatedSponsoredInvestmentProducts


Economic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value17901774188618221636166717761740
Percentage of EconomicInterestsInConsolidatedInvestmentProducts100.0100.0100.0100.0100.0100.0100.0100.0

blk:ConsolidatedVotingRightsEntities


Economic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value368461533494415411444448
Percentage of EconomicInterestsInConsolidatedInvestmentProducts20.626.028.327.125.424.725.025.7

us-gaap:VariableInterestEntityPrimaryBeneficiary


Economic
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value14221313135313281332
Percentage of EconomicInterestsInConsolidatedInvestmentProducts79.474.071.772.975.0

blk:EstimatedAnnualFixedMinimumFeesForCurrentlyOutstandingContracts

blk:EstimatedAnnualFixedMinimumFeesForCurrentlyOutstandingContracts


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value375550730170156303428133258348
Percentage of EstimatedAnnualFixedMinimumFeesForCurrentlyOutstandingContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:ExcessOfTaxGoodwillOverBookGoodwill

blk:ExcessOfTaxGoodwillOverBookGoodwill


Excess
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value596674829098106114121129137145153161168176184192200208216223231239263255263269277285293301308316324335
Percentage of ExcessOfTaxGoodwillOverBookGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRemainingUnfundedCommitments us-gaap:InvestmentType

blk:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRemainingUnfundedCommitments

us-gaap:RealEstateFunds


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value294257267284240183172
Percentage of FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRemainingUnfundedCommitments100.0100.0100.0100.0100.0100.0100.0

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyDaily us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyDaily

us-gaap:EquityMethodInvestments, us-gaap:HedgeFundsEquity


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.210.270.210.230.280.250.270.280.270.270.30.310.340.30.210.190.210.210.210.220.210.22
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyDaily100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyMonthly us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyMonthly

us-gaap:EquityMethodInvestments, us-gaap:HedgeFundsEquity


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.210.270.210.230.280.250.270.280.270.270.30.310.340.30.210.190.210.210.210.220.210.22
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyMonthly100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyNotRedeemable us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyNotRedeemable

us-gaap:EquityMethodInvestments, us-gaap:HedgeFundsEquity


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.580.580.580.570.570.590.580.550.530.540.520.510.450.410.30.260.250.270.280.270.270.26
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyNotRedeemable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments, us-gaap:RealEstateFunds


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.810.790.690.590.530.470.430.390.360.330.320.270.250.220.170.150.140.60.590.640.750.75
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyNotRedeemable139.7136.2119.0103.593.079.774.170.967.961.161.552.955.653.756.757.756.0222.2210.7237.0277.8288.5

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyQuarterly us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

blk:FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyQuarterly

us-gaap:EquityMethodInvestments, us-gaap:HedgeFundsEquity


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.210.150.210.20.150.160.150.170.20.190.180.180.210.290.490.550.540.520.510.510.520.52
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyQuarterly100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments, us-gaap:RealEstateFunds


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value0.190.210.310.410.470.530.570.610.640.670.680.730.750.780.830.850.860.40.410.360.250.25
Percentage of FairValueMeasuredRecurringBasisUsingNetAssetPerShareValueRedemptionFrequencyQuarterly90.5140.0147.6205.0313.3331.2380.0358.8320.0352.6377.8405.6357.1269.0169.4154.5159.376.980.470.648.148.1

blk:GrossDeferredTaxLiability

blk:GrossDeferredTaxLiability


Gross
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value43974355405139125658571357705837
Percentage of GrossDeferredTaxLiability100.0100.0100.0100.0100.0100.0100.0100.0

blk:InvestmentCommitments

blk:InvestmentCommitments


Investment
Period End2021-06-302021-03-312020-12-312020-09-30
Value930841789703
Percentage of InvestmentCommitments100.0100.0100.0100.0

blk:InvestmentsInBankLoans

blk:InvestmentsInBankLoans


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value27125824822623220420484
Percentage of InvestmentsInBankLoans100.0100.0100.0100.0100.0100.0100.0100.0

blk:InvestmentsInBankLoans us-gaap:ConsolidatedEntities

blk:ConsolidatedSponsoredInvestmentProducts


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value27125824822623220420484
Percentage of InvestmentsInBankLoans100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Investments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value271258248226204
Percentage of InvestmentsInBankLoans100.0100.0100.0100.0100.0

blk:LandSubjectToGroundLeasesForAdditionalSpace us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:LandSubjectToGroundLeasesForAdditionalSpace

us-gaap:PropertySubjectToOperatingLease


Land
Period End2020-12-31
Value122000.0
Percentage of LandSubjectToGroundLeasesForAdditionalSpace100.0

blk:LoansReceivablePrincipalAmount us-gaap:FinancialInstrument

blk:LoansReceivablePrincipalAmount

us-gaap:CollateralizedLoanObligations


Loans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value26825725023124422020418384
Percentage of LoansReceivablePrincipalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:MinimumLeasePaymentsForLeasesSignedButNotYetCommenced

blk:MinimumLeasePaymentsForLeasesSignedButNotYetCommenced


Minimum
Period End2020-12-31
Value1400
Percentage of MinimumLeasePaymentsForLeasesSignedButNotYetCommenced100.0

blk:MinorityInterestInConsolidatedInvestmentProducts us-gaap:ConsolidatedEntities

blk:MinorityInterestInConsolidatedInvestmentProducts

blk:ConsolidatedSponsoredInvestmentProducts


Minority
Period End2021-06-302020-12-31
Value22802373
Percentage of MinorityInterestInConsolidatedInvestmentProducts100.0100.0

blk:ConsolidatedVotingRightsEntities


Minority
Period End2021-06-302020-12-31
Value30180
Percentage of MinorityInterestInConsolidatedInvestmentProducts1.37.6

us-gaap:VariableInterestEntityPrimaryBeneficiary


Minority
Period End2021-06-302020-12-31
Value22502193
Percentage of MinorityInterestInConsolidatedInvestmentProducts98.792.4

blk:NetAssetsOfNonconsolidatedVIEs us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument

blk:NetAssetsOfNonconsolidatedVIEs

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, blk:SponsoredInvestmentProducts


Net
Period End2021-06-302021-03-312020-12-312019-12-31
Value19000160001600012000
Percentage of NetAssetsOfNonconsolidatedVIEs100.0100.0100.0100.0

blk:NetAssetsOfNonconsolidatedVIEs us-gaap:FinancialInstrument, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

blk:SponsoredInvestmentProducts, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Net
Period End2020-09-302019-12-31
Value1500012000
Percentage of NetAssetsOfNonconsolidatedVIEs0.0100.0

blk:NetCapitalRequirements

blk:NetCapitalRequirements


Net
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2400230022002200190018001800140011001100
Percentage of NetCapitalRequirements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:OperatingLeasesFutureMinimumPaymentsDueForAdditionalSpace us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:OperatingLeasesFutureMinimumPaymentsDueForAdditionalSpace

us-gaap:PropertySubjectToOperatingLease


Operating
Period End2020-12-31
Value185
Percentage of OperatingLeasesFutureMinimumPaymentsDueForAdditionalSpace100.0

blk:OperatingLeasesFutureMinimumPaymentsDueInFifteenToTwentyYears us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:OperatingLeasesFutureMinimumPaymentsDueInFifteenToTwentyYears

us-gaap:PropertySubjectToOperatingLease


Operating
Period End2020-12-31
Value74
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFifteenToTwentyYears100.0

blk:OperatingLeasesFutureMinimumPaymentsDueInFiveToTenYears us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:OperatingLeasesFutureMinimumPaymentsDueInFiveToTenYears

us-gaap:PropertySubjectToOperatingLease


Operating
Period End2020-12-31
Value58
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFiveToTenYears100.0

blk:OperatingLeasesFutureMinimumPaymentsDueInOneToFiveYears us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:OperatingLeasesFutureMinimumPaymentsDueInOneToFiveYears

us-gaap:PropertySubjectToOperatingLease


Operating
Period End2020-12-31
Value51
Percentage of OperatingLeasesFutureMinimumPaymentsDueInOneToFiveYears100.0

blk:OperatingLeasesFutureMinimumPaymentsDueInTenToFifteenYears us-gaap:PropertySubjectToOrAvailableForOperatingLease

blk:OperatingLeasesFutureMinimumPaymentsDueInTenToFifteenYears

us-gaap:PropertySubjectToOperatingLease


Operating
Period End2020-12-31
Value66
Percentage of OperatingLeasesFutureMinimumPaymentsDueInTenToFifteenYears100.0

blk:SecuritiesLendingLoanBalancesIndemnified

blk:SecuritiesLendingLoanBalancesIndemnified


Securities
Period End2021-06-302021-03-312020-12-312020-09-30
Value297000292000270000249000
Percentage of SecuritiesLendingLoanBalancesIndemnified100.0100.0100.0100.0

blk:SeparateAccountCollateralHeldUnderSecuritiesLendingAgreements

blk:SeparateAccountCollateralHeldUnderSecuritiesLendingAgreements


Separate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value161701571116507151371436714777154661869920655
Percentage of SeparateAccountCollateralHeldUnderSecuritiesLendingAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:ShareBasedCompensationEmployeeStockPurchasePlanPurchasePricePercentageOfFairMarketValueForEligibleEmployees

blk:ShareBasedCompensationEmployeeStockPurchasePlanPurchasePricePercentageOfFairMarketValueForEligibleEmployees


Share
Period End2020-12-31
Value95.0
Percentage of ShareBasedCompensationEmployeeStockPurchasePlanPurchasePricePercentageOfFairMarketValueForEligibleEmployees100.0

blk:TaxLiabilityDecreaseForUncertainTaxPositions us-gaap:Range

blk:TaxLiabilityDecreaseForUncertainTaxPositions

srt:Maximum


Tax
Period End2020-12-312019-12-312018-12-31
Value152050
Percentage of TaxLiabilityDecreaseForUncertainTaxPositions100.0100.0100.0

srt:Minimum


Tax
Period End2020-12-312019-12-312018-12-31
Value5.05.010.0
Percentage of TaxLiabilityDecreaseForUncertainTaxPositions33.325.020.0

blk:TechnologyServicesDeferredRevenueLiability

blk:TechnologyServicesDeferredRevenueLiability


Technology
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1071111231051081141168710073706564666258524642
Percentage of TechnologyServicesDeferredRevenueLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:TotalDebtSecurities

blk:TotalDebtSecurities


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1942180422742105170316691498422393433453
Percentage of TotalDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

blk:UnconsolidatedSponsoredInvestmentFunds us-gaap:BalanceSheetLocation, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

blk:UnconsolidatedSponsoredInvestmentFunds

blk:AdvisoryFeeReceivables, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Unconsolidated
Period End2020-09-302019-12-31
Value8071
Percentage of UnconsolidatedSponsoredInvestmentFunds100.0100.0

blk:OtherNetAssetsLiabilities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Unconsolidated
Period End2020-09-302019-12-31
Value-13.0-10.0
Percentage of UnconsolidatedSponsoredInvestmentFunds-16.2-14.1

us-gaap:Investments, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Unconsolidated
Period End2020-09-302019-12-31
Value626539
Percentage of UnconsolidatedSponsoredInvestmentFunds782.5759.2

blk:UnconsolidatedSponsoredInvestmentFunds us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, blk:AdvisoryFeeReceivables


Unconsolidated
Period End2021-06-302021-03-312020-12-312019-12-31
Value95967171
Percentage of UnconsolidatedSponsoredInvestmentFunds0.00.00.0100.0

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, blk:OtherNetAssetsLiabilities


Unconsolidated
Period End2021-06-302021-03-312020-12-312019-12-31
Value-12.0-12.0-13.0-10.0
Percentage of UnconsolidatedSponsoredInvestmentFunds0.00.00.0-14.1

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, us-gaap:Investments


Unconsolidated
Period End2021-06-302021-03-312020-12-312019-12-31
Value779612662539
Percentage of UnconsolidatedSponsoredInvestmentFunds0.00.00.0759.2

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value123811961028988914982116712521277122512921403121614211161165215202000109413541615138510681343128417141035157630911615108433221271165710551427102912609231171112813661068840
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value37903825353537062990309531793026286327712657268225672677269931832984322723502601288525262237254223472836212026314207286822474311224926182250246420842312196020732084222320951718
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedParties

blk:BlackrockMutualFundsAndIsharesETFs


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1100995878850688
Percentage of AccountsReceivableRelatedParties100.0100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxes

us-gaap:AccruedIncomeTaxes


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value131293341256757912516812110215786
Percentage of AccruedIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AlternativeInvestment us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:AlternativeInvestment

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, blk:PrivateEquityFundsOfFunds


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value9.019161523
Percentage of AlternativeInvestment100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:RealEstateFunds


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value8177757572
Percentage of AlternativeInvestment900.0405.3468.8500.0313.0

us-gaap:AlternativeInvestment us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:EquityMethodInvestments, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, blk:OtherTypesOfInvestments


Alternative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4.09.04.03.010.05.0161514141415
Percentage of AlternativeInvestment25.060.00.00.043.50.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestments, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:HedgeFundsEquity


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value351327309266245222220206188190173176147230
Percentage of AlternativeInvestment3900.01721.11931.21773.30.00.0956.50.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestments, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:PrivateEquityFunds


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value48335531528531021024826012311811611110694
Percentage of AlternativeInvestment5366.71868.41968.81900.00.00.01078.30.00.00.00.00.00.00.0

us-gaap:EquityMethodInvestments, us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:RealEstateFunds


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value214204218234251271296320334355353335317282
Percentage of AlternativeInvestment2377.81073.71362.51560.00.00.01287.00.00.00.00.00.00.00.0

us-gaap:AlternativeInvestment us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueMeasuredAtNetAssetValuePerShare


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1138982940887893790872887756773762742689733
Percentage of AlternativeInvestment12644.45168.45875.05913.30.00.03791.30.00.00.00.00.00.00.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value853398658787275778067503661395849927676782765878527994198247114028126700134387133123134182142519132815134756128855126984136564125819145584148328144603129044139412128138134828126488113661117296
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value38147352863776736490336263900236107399193447132934330693105036713449874085143314397284442944736494535049554057461125380750158528945359351291484974682244511440584051942433
Percentage of AssetsFairValueDisclosure44.740.843.346.944.863.542.552.041.637.541.431.632.235.530.432.529.631.233.736.739.242.633.842.834.535.737.139.734.836.533.034.835.636.2

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value287258252238255206194171136133156149104147116139140113143223192219221172166787858783781779752775803855
Percentage of AssetsFairValueDisclosure0.30.30.30.30.30.30.20.20.20.20.20.20.10.10.10.10.10.10.10.20.10.20.20.10.10.50.60.60.60.60.60.60.70.7

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:PortionAtOtherThanFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value29122336207322271842220018071612171317641610134616551315151412561483173412391302160714411251159011471503116011611491139513251231
Percentage of AssetsFairValueDisclosure3.42.72.42.92.53.62.12.12.12.02.01.41.51.01.10.91.11.20.91.01.21.10.91.30.81.00.80.91.11.11.01.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value127823125449128307117648111652103593123972119356119841123456115538131534153189173840177601178583176293189344179484186311181722183314184795182041197685203512200214182279190181177134181416172605156181161815
Percentage of AssetsFairValueDisclosure149.8144.9147.0151.2148.8168.7145.9155.5144.8140.5144.5133.9134.3137.2132.2134.1131.4132.9135.1138.3141.0144.4135.3144.7135.8137.2138.5141.3136.4138.2134.6136.5137.4138.0

us-gaap:AssetsFairValueDisclosure us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

blk:InvestmentInNAV, us-gaap:EstimateOfFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1138982940887893790872887756773762742689733
Percentage of AssetsFairValueDisclosure1.31.11.11.11.21.31.01.20.90.91.00.80.60.5

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

blk:AperioGroupLimitedLiabilityCompany


Business
Period End2021-02-01
Value500
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

blk:Aperio, us-gaap:SubsequentEvent


Business
Period End2021-02-01
Value500
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BalanceSheetLocation

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:OtherLiabilities


Business
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-30
Value34212628287259236228218115118121
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

blk:AperioGroupLimitedLiabilityCompany


Business
Period End2021-02-01
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

blk:AperioGroupLimitedLiabilityCompany


Business
Period End2021-02-01
Value12
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

blk:AperioGroupLimitedLiabilityCompany


Business
Period End2021-02-01
Value28
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

blk:AperioGroupLimitedLiabilityCompany, us-gaap:CustomerRelationships


Business
Period End2021-02-01
Value270
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

blk:AperioGroupLimitedLiabilityCompany, us-gaap:OtherIntangibleAssets


Business
Period End2021-02-01
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles6.3

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:SubsequentEventType

blk:Aperio, us-gaap:CustomerRelationships, us-gaap:SubsequentEvent


Business
Period End2021-02-01
Value300
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles111.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

blk:AperioGroupLimitedLiabilityCompany


Business
Period End2021-02-01
Value1062
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:Capital

us-gaap:Capital


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value740686572112412111593775660633720874
Percentage of Capital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalRequiredForCapitalAdequacy

us-gaap:CapitalRequiredForCapitalAdequacy


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value324035811051444447515568
Percentage of CapitalRequiredForCapitalAdequacy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets

us-gaap:CapitalRequiredForCapitalAdequacyToRiskWeightedAssets


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8.00.080.080.080.080.080.080.080.080.080.08
Percentage of CapitalRequiredForCapitalAdequacyToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalRequiredToBeWellCapitalized

us-gaap:CapitalRequiredToBeWellCapitalized


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4050441011311805659646985
Percentage of CapitalRequiredToBeWellCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

us-gaap:CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value10.00.10.10.10.10.10.10.10.10.10.1
Percentage of CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:CapitalizedComputerSoftwareGross

blk:EquipmentAndComputerSoftware


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value95937760504845
Percentage of CapitalizedComputerSoftwareGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentFaceAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302012-05-312011-06-302011-05-312010-12-312009-12-31
Value653072727306727172365968498659635997498650005013501750615041502849985649493849874978499849604981150025015002502500
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

blk:OnePointTwoFivePercentNotesDueTwoThousandTwentyFive


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-05-06
Value830822856821786768786763797786800813817861841828798749738787778798760781700
Percentage of DebtInstrumentFaceAmount12.711.311.711.310.912.915.812.813.315.816.016.216.317.016.716.516.013.314.915.815.616.015.315.70.0

us-gaap:DebtInstrumentFaceAmount us-gaap:FairValueByLiabilityClass

us-gaap:Borrowings


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value26125424424924922619518614213484
Percentage of DebtInstrumentFaceAmount4.03.53.33.43.43.83.93.12.42.71.7

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByLiabilityClass

us-gaap:DebtInstrumentFairValue

us-gaap:Borrowings


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value26425924623322520319518614213484
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value39404244463531313320212223252728
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument

blk:OnePointNineZeroPercentNotesDueTwoThousandThirtyOne


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1111111212
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet28.227.526.227.326.1

blk:OnePointTwoFivePercentNotesDueTwoThousandTwentyFive


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.03.03.03.04.04.05.05.06.05.05.05.05.06.06.06.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet7.77.57.16.88.711.416.116.118.225.023.822.721.724.022.221.4

blk:ThreePointFiveZeroPercentNotesDueTwoThousandTwentyFour


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.03.03.03.03.03.04.04.05.05.05.05.05.06.06.06.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet7.77.57.16.86.58.612.912.915.225.023.822.721.724.022.221.4

blk:ThreePointThreeSevenFivePercentNotesDueTwoThousandTwentyTwo


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.02.02.02.02.02.02.02.03.04.04.04.04.04.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet4.84.54.35.76.56.56.110.014.318.217.416.014.814.3

blk:ThreePointTwoFivePercentNotesDueTwoThousandTwentyNine


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value111111121314141414
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet28.227.526.227.328.340.045.245.242.4

blk:ThreePointTwoZeroPercentNotesDueTwoThousandTwentySeven


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.05.05.05.05.05.05.05.05.07.07.07.07.07.07.07.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet12.812.511.911.410.914.316.116.115.235.033.331.830.428.025.925.0

blk:TwoPointFourZeroPercentNotesDueTwoThousandThirty


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value6.07.07.07.07.07.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet15.417.516.715.915.220.0

us-gaap:DebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtSecurities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1595148219531810143414081241205178245261
Percentage of DebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2114111110.09.08.05.02.04.0
Percentage of DebtSecurities1.30.90.60.60.70.60.62.41.11.5

us-gaap:DebtSecurities us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:PortionAtOtherThanFairValueFairValueDisclosure, us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value326308310284259252249212213188188
Percentage of DebtSecurities20.420.815.915.718.117.920.1103.4119.776.772.0

us-gaap:DebtSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1942180422742105170316691498422393433453
Percentage of DebtSecurities121.8121.7116.4116.3118.8118.5120.7205.9220.8176.7173.6

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensation, us-gaap:PlanName

us-gaap:DeferredCompensationLiabilityCurrentAndNoncurrent

blk:RabbiTrust, blk:DeferredCompensationPlans


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value82807185838878
Percentage of DeferredCompensationLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensation, us-gaap:PlanName

us-gaap:DeferredCompensationPlanAssets

blk:RabbiTrust, blk:DeferredCompensationPlans


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6.0233456596565
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:PlanName

blk:DefinedBenefitPlans


Deferred
Period End2020-12-312019-12-31
Value3628
Percentage of DeferredCompensationPlanAssets600.0121.7

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value39073794367337423664361037343792382536543571355535113516353849664981503048404832489949374851492149995077498950565177524150855237531853795293531153855429532353665440552654775571
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities us-gaap:IncomeTaxAuthority

blk:RelatedToSameTaxJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value36733734357135384840485149895085
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1054847711415860902820804729730735728
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value808482848598474281876740
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:ForeignCountry


Deferred
Period End2020-12-31
Value2000000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value659481362116216235253290222229186134
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits