MOH


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

Table of contents



us-gaap:SharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses
us-gaap:ConsolidationItems

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetInvestmentIncome

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:PremiumsEarnedNet

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:MarketableSecuritiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:ReceivablesNetCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:BusinessAcquisition
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetIncludingGoodwill
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:BusinessAcquisition

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:LongTermDebtNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:BusinessAcquisition

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
moh:AssetAcquisition, us-gaap:StatementGeographical, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireProductiveAssets
moh:AssetAcquisition, us-gaap:SubsequentEventType

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

moh:AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized

moh:AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear

moh:BusinessCombinationGoodwillDeductibleForIncomeTaxPurposesPercentage
us-gaap:BusinessAcquisition
moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAmountsDueGovernmentAgencies
us-gaap:BusinessAcquisition
moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentMedicalClaimsAndBenefitsPayable
us-gaap:BusinessAcquisition
moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables

moh:CashPaidForSettlementOfConversionOption

moh:ChangeInAcquiredBalances
us-gaap:StatementBusinessSegments

moh:CommonStockWithheldToSettleEmployeeTaxObligations

moh:FairValueOfContingentConsiderationLiabilitiesAssumedInNoncashInvestingOrFinancingActivities

moh:HealthCareOrganizationInsurerFeeExpense

moh:HealthCareOrganizationInsurerFeeRevenue

moh:HealthCareOrganizationPremiumTaxRevenue

moh:IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency

moh:MaximumAvailableQualityIncentivePremiumCurrentYear

moh:MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider
us-gaap:StatementBusinessSegments
us-gaap:Range, us-gaap:StatementGeographical
moh:PercentageOfAdditionalIncrementalRevenueEarned

moh:PremiumTaxExpenses

moh:QualityIncentivePremiumRevenueAsAPercentageOfTotalRevenue

moh:QualityIncentivePremiumRevenueRecognized

moh:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue
us-gaap:AwardType

moh:UnrecognizedCompensationForfeitedRate

moh:WeightedAverageNumberofSharesShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:FairValueOfAssetsAcquired

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities
us-gaap:UnusualOrInfrequentItem
us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:LiabilitiesAssumed1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsForLossesAndLossAdjustmentExpense
us-gaap:StatementBusinessSegments

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRepurchaseOfWarrants
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:RepaymentsOfLinesOfCredit
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockIssued1
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
us-gaap:StatementBusinessSegments

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation

dei:EntityCommonStockSharesOutstanding
us-gaap:ConsolidatedEntities
moh:AdvancesToRelatedPartiesAndOtherAssets

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayableReceivablePriorYears

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentPayable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear

moh:AmountsDueToGovernmentAgenciesBusinessCombination

moh:AmountsDueToGovernmentAgenciesMarketplaceMedicalLossRatioThreshold

moh:AmountsDueToGovernmentAgenciesMedicaidOther

moh:AmountsDueToGovernmentAgenciesMedicareMedicalLossRatioAndProfitSharingThreshold

moh:AmountsDueToGovernmentAgenciesRiskAdjustmentAndPartDRiskSharing

moh:AmountsDuetoGovernmentAgenciesOther

moh:AmountsDuetoGovernmentAgenciesRiskAdjustment
us-gaap:BusinessAcquisition
moh:BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms
us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities
us-gaap:BusinessAcquisition
moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAmountsDueGovernmentAgencies
us-gaap:BusinessAcquisition
moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesMedicalClaimsAndBenefitsPayable
us-gaap:BusinessAcquisition
moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedInvestment

moh:CapitationClaimsPayable

moh:DeferredTaxLiabilitiesFixedAssetsAndIntangibles

moh:HealthCareInsuranceFeeLiability

moh:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredbutNotPaidIBNPFeeforserviceClaimsAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
moh:LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount

moh:MedicalClaimsAndBenefitsPayable

moh:MedicalPremiumLiabilityDueToAgency

moh:MedicalPremiumsLiabilityMedicalCareCostsThreshold
dei:LegalEntity, us-gaap:StatementGeographical
moh:NumberOfMembersCovered
us-gaap:StatementBusinessSegments
moh:NumberOfMembersEligibleForTheHealthCarePrograms
us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

moh:OperatingLeaseRightOfUseAssetExcludingLeasesAcquired

moh:OtherClaimsPayable

moh:OtherMedicareProgram

moh:PharmacyClaimsPayable

moh:ShortdurationInsuranceContractsLiabilityforUnpaidClaimsandClaimAdjustmentExpenseOutstandingLiabilitiesRelatingtoPriorYears

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
us-gaap:ConsolidatedEntities

us-gaap:AssetsFairValueDisclosure

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BusinessAcquisition, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:Range
us-gaap:MeasurementInputType
us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization
us-gaap:ConsolidatedEntities
us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DepositLiabilitiesAccruedInterest

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:StatementBusinessSegments
us-gaap:GoodwillGross
us-gaap:StatementBusinessSegments
us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:InterestReceivable

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:PrepaidReinsurancePremiums

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentOwnedAccumulatedDepreciation

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
us-gaap:ConsolidatedEntities
us-gaap:RelatedPartyTransactionDueFromToRelatedPartyCurrent

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedInvestmentsNoncurrent
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems

us-gaap:SpecialAssessmentBond

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
us-gaap:ConsolidatedEntities

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxCreditCarryforwardValuationAllowance
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Increase Decrease In Prepaid Deferred Expense And Other Assets
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
BanksAndOrInsurance
Interest And Dividend Income Operating

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:SharesOutstanding NA57.758.0NA58.758.661.9NA62.262.162.1NA61.361.059.0NA56.556.056.0NA56.055.055.0NA54.78848.85248.578NA46.49446.26345.871NA45.68345.41546.762NA46.52746.34745.815NA46.06245.82845.463NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▂▂▃▃▃▃▇███▇▇▇▇▄▁▁▁▁58.058.059.059.059.059.062.063.063.063.062.062.062.062.060.057.057.057.057.0NANANA56.0NANANA49.727NANANA45.871NANANA46.762NANANA45.815NANANA45.463NANA
us-gaap:CommonStockSharesAuthorized NA150.0150.0NA150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.080.080.080.080.080.080.080.00.08NA0.08NANA
us-gaap:CommonStockSharesOutstanding ▁▁█58.058.059.0NA59.059.062.063.063.063.062.062.062.062.060.057.057.057.057.057.057.057.056.056.07556.0549.90849.72748.27946.49446.26345.87145.75745.68345.41546.76246.57146.52746.34745.81545.690.046062NA0.045463NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█58.458.6NA59.659.461.0NA63.664.066.2NA67.967.065.0NA57.056.056.0NA56.055.057.0NA59.97853.87150.071NA48.64448.00347.52NA47.06246.50746.443NA46.8846.35546.887NA46.29646.47146.257NA42.54638.926
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▄▄57.757.7NA58.758.660.2NA62.262.162.1NA61.361.060.0NA57.056.056.0NA56.055.055.0NA54.80350.24248.685NA46.99146.27946.021NA45.69945.44645.981NA46.54646.35545.998NA45.83445.89745.588NA42.17738.611
us-gaap:EarningsPerShareBasic ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁3.23.950.59999999999999963.144.722.952.72.813.153.193.243.223.291.79-4.59-1.7-4.11.38-0.850.770.580.440.540.840.780.580.70.340.170.1-0.20.170.540.65550.00.07-0.80.39-0.720.410.380.380.390.380.27
us-gaap:EarningsPerShareDiluted ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁3.163.890.58000000000000013.14.652.922.672.753.062.993.012.93.021.64-4.59-1.7-4.11.37-0.850.760.580.430.520.770.720.560.690.330.160.09-0.20.160.530.64540.00.07-0.80.39-0.720.410.380.380.390.380.27
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
 Cost Ratio us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems▃▃█▅▄▄▂▂▂▂▃▄▄▃▁▁▁▁▄▄▃▃▂▃▂▂199.0199.0380.0253.0246.0245.0151.0159.0144.0167.0210.0230.0242.0189.0129.0124.0130.0125.0226.0222.0195.0208.0175.0187.0174.0148.0NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:ComprehensiveIncomeNetOfTax ▆▇▅▆█▆▆▆▇▇▇▇▇▅▁▃▁▅▄▅▅▅▄▅▅▅▅▄▄▄▄▄▄▅▄▄▄▄▄▄▄▄▄▄▄185.0217.034.0190.0323.0159.0167.0175.0204.0203.0203.0198.0204.0100.0-266.0-97.0-230.078.0-52.041.035.030.026.28747.42836.81629.46933.3915.4658.2335.202-8.8018.86322.06330.17525.5163.819-36.98218.385-32.60318.78518.15217.27117.54316.10510.224
us-gaap:CostOfGoodsAndServicesSold █▁5819.05474.0NA4098.03598.03716.0NA3523.03466.03371.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ██▆▆▅▅▅▅▅▅▅▅▅▅▆▆▆▆▅▅▅▅▅▄▄▄▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁6527.06187.05144.04732.04194.04275.04032.03986.03928.03839.04340.04439.04541.04424.05218.05112.05286.04822.04540.04428.04254.04254.03794.3353498.513409.2623088.8932704.5242444.5722279.6122044.9761708.3071662.1531559.3881523.4961524.4361533.0031595.6911340.161257.9361143.1561135.6941088.4061047.321009.193978.16
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA-10.00.0-5.00.00.0-2.014.03.03.0-10.0-5.0-10.0-14.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ██▇▆▆▅▆▅▅▅▅▅▅▆▆▆▇▇▆▆▆▆▅▅▅▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁484.0473.0450.0368.0345.0317.0343.0323.0328.0302.0335.0311.0335.0352.0367.0383.0405.0439.0359.0343.0351.0340.0315.723287.691286.496256.09204.488178.879193.239188.087187.006176.233161.479141.407153.419127.5131.485120.223124.96599.6196.92194.436100.37488.6678.079
 us-gaap:GrossProfit us-gaap:ConsolidationItems us-gaap:OperatingSegments▁█767.0836.0NANA774.0588.0578.0561.0583.0581.0664.0566.0673.0615.0446.0564.0254.0546.0341.0457.0454.0420.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,moh:HealthPlans▅▆▄▇█▆▅▅▅▅▇▅▇▆▄▅▁▅▂▄▃▃551.0604.0447.0670.0774.0588.0578.0561.0583.0581.0663.0547.0664.0601.0438.0557.0249.0537.0333.0443.0435.0407.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,moh:Marketplace▁█112.0151.0NANA96.0106.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,moh:Medicare█▁101.077.0NANA125.0117.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:GrossProfit us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:AllOtherSegments▁█3.04.0NANANANA0.00.00.00.027.05.05.06.05.02.01.05.04.08.014.07.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇▇▅▇█▇▆▆▇▇▇▇▇▆▁▃▁▅▄▅▅▅▅▅▅▅▅▄▄▄▄▄▄▅▅▄▃▄▄▄▄▄▄▄▄243.0305.051.0262.0395.0253.0222.0233.0257.0260.0256.0259.0305.0179.0-316.0-113.0-314.0131.0-31.092.080.064.056.29897.624100.71467.36481.87524.49718.44310.489-16.51611.41831.27754.18550.1462.872-63.07529.122-19.95629.18627.72727.69729.97925.35317.079
us-gaap:IncomeTaxExpenseBenefit ▆▇▄▇█▆▆▆▆▆▆▆▇▆▂▃▁▆▄▆▆▅▅▆▆▅▆▄▄▄▄▄▄▅▅▄▃▄▄▄▄▄▄▄▄58.077.017.077.0119.075.054.058.061.062.055.062.0103.072.0-54.0-16.0-84.054.016.050.047.040.026.66551.32961.78339.22347.9428.42710.7025.655-7.4753.86515.48124.2724.503-0.492-25.76911.03313.00410.23610.28710.30912.3519.186.5
us-gaap:InterestExpense ▇▇▇▇▆▅▅▅▅▆▆▆████▇▆▆▆▆▆▅▄▄▄▄▄▃▃▃▃▃▃▁▁▁▁▁▁▁▁▁▁▁30.030.030.027.024.021.020.022.022.023.024.026.032.033.033.032.027.026.025.026.025.025.020.90915.26914.94614.87614.57714.41913.99313.82213.83513.53211.66713.0374.3484.3153.8084.2983.8534.383.6833.6033.4534.64.099
us-gaap:NetIncomeLoss ▇▇▅▇█▇▇▇▇▇▇▇▇▆▁▃▁▅▄▅▅▅▅▅▅▅▅▅▅▄▄▅▅▅▅▄▄▅▄▅▅▅▅▅▅185.0228.034.0185.0276.0178.0168.0175.0196.0198.0201.0197.0202.0107.0-262.0-97.0-230.077.0-47.042.033.024.030.046.29938.94328.15333.79216.1227.8114.498-9.1267.56924.57129.91525.6433.364-37.30618.089-32.9618.9517.4417.38817.62816.17310.579
us-gaap:NetInvestmentIncome █▁10.09.0NANA13.025.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▆▆▅▆▆▆▆▆▆▆▆▅▅▅▅▅▆█▁▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆-30.0-30.0-40.0-27.0-29.0-21.0-20.0-24.0-8.0-20.0-16.0-36.0-37.0-43.0-47.0-32.0-27.049.0-177.026.025.0-25.0-19.991-15.229-14.914-14.866-14.956-15.282-13.984-13.778-14.417-13.508-15.169-12.906NANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▇▇▅▇█▇▆▆▆▇▇▇▇▆▁▃▁▅▄▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄▄273.0335.091.0289.0424.0274.0242.0257.0265.0280.0272.0295.0342.0222.0-269.0-81.0-287.082.0-6.0118.0105.089.076.0112.853115.62882.2397.039.77932.42724.267-2.68524.92646.44667.09154.1337.187-59.26733.42-16.10333.56631.4131.333.43229.95321.178
us-gaap:OtherNonoperatingIncomeExpense NANA-10.00.0-5.00.00.0-2.014.03.08.0-10.0-5.0-10.0-14.00.00.075.00.00.00.00.00.9180.040.0320.01-56.803-0.8630.0090.044-13.831-13.508-15.169-12.906-2.717-4.499-4.894-4.298NANANANANANANA
us-gaap:PremiumsEarnedNet █▁6583.06306.0NA4768.04372.04304.04123.04084.04049.03952.04438.04337.04514.04323.04689.04777.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ██▆▆▅▅▅▅▅▅▅▅▆▅▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁6800.06522.05235.05021.04618.04549.04274.04243.04193.04119.04664.04697.04883.04646.04949.05031.04999.04904.04534.04546.04359.04343.03870.6243611.3633524.893171.1232800.9682484.3512312.0392069.2431705.6221687.0791605.8341590.5871578.5691540.191536.4241373.581306.4081176.7221167.1041119.7061080.7521039.146999.338
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ██▇▆▆▅▅▅▅▆▅▆▇▇▆▇▆▆▆▆▅▅▅▄▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁10530.09950.09532.07881.07876.07129.06787.06701.06690.07579.07154.08051.08763.09133.08471.08954.08583.08038.07449.07570.07202.07183.06576.05915.0315736.1595169.7894477.2154056.143452.0293293.4813002.9372925.0662579.9162488.0891934.8221907.0671917.4681740.0041652.1461618.3041600.421NA1509.214NANA
us-gaap:Liabilities ██▇▆▆▅▅▅▅▆▅▆▇▇▇▇▇▆▆▆▆▆▅▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁8160.07786.07436.05680.05880.05482.04827.04870.04954.05744.05507.06490.07105.07580.07134.07525.07062.06311.05800.05879.05561.05593.05019.04397.0224273.0524127.7963466.7733091.8492534.9592395.7612110.02032.2181703.5291723.891152.5081152.0661171.458964.692897.073836.484834.564NA790.157NANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▆▆▅▅▅▅▆▅▆▇▇▆▇▆▆▆▆▅▅▅▄▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁10530.09950.09532.07881.07876.07129.06787.06701.06690.07579.07154.08051.08763.09133.08471.08954.08583.08038.07449.07570.07202.07183.06576.05915.0315736.1595169.7894477.2154056.143452.0293293.4813002.9372925.0662579.9162488.0891934.8221907.0671917.4681740.0041652.1461618.3041600.421NA1509.214NANA
us-gaap:StockholdersEquity █▇▇▇▆▅▆▆▅▆▅▅▅▄▄▄▄▅▅▅▅▅▄▄▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2370.02164.02096.02201.01996.01647.01960.01831.01736.01835.01647.01561.01658.01553.01337.01429.01521.01727.01649.01691.01641.01590.01557.01518.0091463.1071041.9931010.442964.291917.07897.72892.937892.848876.387764.199782.314755.001746.01775.312755.073781.82765.857NA719.057NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AssetsCurrent █▇▇▆▆▆▅▅▅▆▆▇▇▇▇▇▆▆▅▆▅▅▅▄▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁8874.08308.07876.06953.07062.06324.05967.05877.05863.06731.06462.07301.08027.08196.07511.07708.07169.06402.05988.06113.05545.05764.05306.04910.3244806.2274275.573245.3972987.522371.8452281.2312039.6641966.2151744.8021727.0381349.1261314.3491321.0361152.0131048.0821034.5951028.156NA957.939NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ██▇▆▆▄▄▅▄▆▅▅▆▇▆▇▅▆▅▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁▁▁4608.04431.04154.03196.03303.02365.02452.02679.02253.03224.02826.02814.03392.03729.03186.03934.02979.03198.02819.02842.02345.02156.02329.02164.212013.8821870.0241539.0631598.5961027.3511083.369935.895856.556742.671169.511795.77715.48727.092517.723493.827487.492459.213463.792455.886426.455460.985
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▇▇▄▄▁▂▂▁▄▃▃▄▅▄▆▃▄▃4676.04497.04223.03266.03366.02423.02508.02734.02327.03298.02926.02908.03499.03824.03290.04025.03071.03293.02912.0NANANA2426.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent ▇▆▆▆▆▆▆▆▇▅▅▆▇██▆▇▇▆▅▆▇▆▅▅▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁2241.01938.01875.01769.01906.02010.01946.01757.02070.01508.01681.01812.02176.02444.02524.01787.02192.02056.01758.01735.01968.02070.01801.01461.4671466.6221203.8661019.462842.683740.874696.2703.052735.151718.544341.946342.845356.895344.91357.981336.916324.902356.6NA295.375NANA
us-gaap:ReceivablesNetCurrent ██▇█▇▇▆▆▅▆▆▆▅▄▄▄▅▅▄▅▅▄▃▃▃▂▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁1857.01776.01672.01775.01580.01603.01406.01280.01239.01359.01330.01346.01148.0950.0871.01002.01006.01006.0974.01053.01012.0863.0597.0619.891631.124491.43596.456425.683473.514338.232298.935293.967213.776150.251149.682156.909161.007222.254167.898180.039172.674NA168.19NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▂▂▃▄▅▁▁▁▁▁█▅▇▂▂▂▁▁▂▂▄▂168.0163.0175.0213.0273.0346.0134.0140.0132.0124.0149.0486.0344.0411.0185.0174.0159.0142.0131.0169.0197.0260.0192.0NANANA49.0NANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:PropertyPlantAndEquipmentGross NANA752.0NANANA687.0NANANA774.0NANANA883.0NANANA919.0NANANA755.0NANANA618.392NANANA500.017NANANA392.5NANANA319.384NANANA203.336NANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA49.0NANANA49.0NANANA154.0NANANA161.0NANANA159.0NANANA153.0NANANA195.405NANANA165.67NANANA124.163NANANA109.789NANANA49.735NANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA221.0NANANA213.0NANANA231.0NANANA289.0NANANA301.0NANANA250.0NANANA140.691NANANA131.478NANANA97.865NANANA79.112NANANA60.074NANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA4.0NANANA4.0NANANA16.0NANANA16.0NANANA16.0NANANA16.0NANANA15.514NANANA15.764NANANA15.764NANANA14.094NANANA3.524NANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:PropertyPlantAndEquipmentNANA3.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA475.0NANANA421.0NANANA373.0NANANA417.0NANANA443.0NANANA336.0NANANA266.782NANANA187.105NANANA154.708NANANA116.389NANANA90.003NANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA577.0NANANA530.0NANANA533.0NANANA541.0NANANA465.0NANANA362.0NANANA277.614NANANA207.934NANANA171.057NANANA128.45NANANA102.799NANA
 us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities srt:ParentCompanyNANA3228.0NANANA2225.0NANANA2768.0NANANA2306.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:BusinessAcquisition moh:HealthPlansSegmentNANA488.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:BusinessAcquisition moh:PassportHealthPlanIncNANANA27.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:BusinessAcquisition moh:YourCareHealthPlanIncNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments moh:HealthPlans▁▁█390.0372.0692.0NANANA143.0NANANA143.0NANANA143.0387.0387.0NA387.0NANANA291.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▄▄▄67.067.067.0NANANA0.0NANANA0.0NANANA0.00.0101.0NA162.0NANANA157.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:StatementBusinessSegments moh:HealthPlans▁▄█143.0150.0157.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:StatementBusinessSegments moh:Medicare▁▄█68.072.076.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▁▄█14.015.016.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA249.0NANANA29.0NANANA47.0NANANA69.0101.0112.0131.0140.0149.0146.0149.0122.096.42480.46284.70289.27385.03588.49393.58798.871104.63568.98772.86477.71185.03390.40296.09101.79684.49591.237NA105.5NANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass moh:ContractRightsandLicensingAgreementsNANA202.0NANANA23.0NANANA39.0NANANA60.0NANANA119.0NANANA104.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass moh:ProviderNetworksNANA32.0NANANA6.0NANANA8.0NANANA9.0NANANA20.0NANANA16.0NANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNamesNANA15.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ███▂▁▁▁▁▁▁▁▁▁▂▂▄▆▆▆929.0923.0941.0265.0164.0168.0172.0176.0180.0185.0190.0195.0201.0250.0255.0531.0671.0751.0760.0NANANA641.0NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA69.0NANANA79.0NANANA117.0NANANA103.0NANANANANANANA18.0NANANA15.261NANANA25.976NANANA-5.457NANANA-14.8NANANA-0.519NANA
us-gaap:OperatingLeaseRightOfUseAsset NANA71.0NANANA65.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BusinessAcquisition moh:CompleteCareNANA13.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▇▆▆▆▆▆▆▇▂▂▂█▂▃▃▃▃▂▂▂▂▂▂▂▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁134.0137.0119.0101.099.099.0105.0108.0106.0111.024.030.028.0135.040.042.047.043.041.040.039.037.028.036.61237.81434.06444.32651.10845.65439.7335.56435.73635.77329.44919.62120.09820.419.75917.09913.93214.788NA17.368NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▆▆▆▅█▇▄▄▃▄▃█▇▆▃▄▃▄▃▃▅▅▃▂▄▄▂▆▄▄▃▂▂▁▂▁▁▁▁▁▁651.0695.0641.0566.0876.0743.0455.0478.0373.0444.0390.0824.0754.0713.0366.0485.0375.0438.0385.0383.0537.0601.0362.0274.131399.186427.644241.654609.444475.358406.414319.965282.727180.227159.986184.034151.029136.065124.649147.214141.688133.005NA137.93NANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▂█▂▁▁▅▅▁▅▅▄▄42.071.0375.061.054.043.0249.0207.030.0207.0211.0178.0193.0NA282.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▇▇▅▅▅▄▅▅▆▆▇██▇██▆▆▆▅▆▅▅▅▅▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁5707.05323.04965.03556.03755.03570.03269.03308.03388.04292.04246.05213.05820.06005.05557.05962.05793.04422.04570.04665.03646.04377.03822.03861.173738.5143593.1962174.7731936.0731630.9361555.9441293.9761045.438707.159803.046828.037831.936839.106677.09601.834604.444608.822NA565.548NANA
us-gaap:OperatingLeaseLiabilityCurrent NANA21.0NANANA25.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LongTermDebtNoncurrent ███▆▆▅▂▂▂▂▁▁▁▃▃▃▁▅▂▂2129.02128.02127.01813.01812.01596.01237.01239.01241.01121.01020.01019.01019.01318.01318.01317.01017.01653.01173.01169.0NANA1160.0NANANANANANANANANANA642.005261.784260.551269.338228.15216.929168.109166.725NA164.014NANA
us-gaap:DeferredFinanceCostsNoncurrentNet ▇██▅▆▁▁▁▂▂▂▃▃▃▃▄▄▅▃21.022.023.017.018.08.07.08.09.09.010.011.011.012.012.013.013.016.011.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▇██▆▆▆▆▆▆▆▃▄▄▄▄▃▄▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁101.0112.0119.085.084.087.090.090.093.097.044.060.068.059.061.048.054.044.042.039.038.038.037.032.2731.09533.34933.48728.328.71927.73626.35125.15223.94323.83924.78722.10122.30122.24321.78217.28720.474NA19.711NANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA42.0NANANA48.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA20.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA16.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA10.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA6.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA3.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity █▇▇▇▆▅▆▆▅▆▅▅▅▄▄▄▄▅▅▅▅▅▄▄▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁2370.02164.02096.02201.01996.01647.01960.01831.01736.01835.01647.01561.01658.01553.01337.01429.01521.01727.01649.01691.01641.01590.01557.01518.0091463.1071041.9931010.442964.291917.07897.72892.937892.848876.387764.199782.314755.001746.01775.312755.073781.82765.857NA719.057NANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▆▇▅▃▅▄▄▄▃▃▃▂▁▂▂▄▃2370.02164.02096.02201.01996.01647.01960.01831.01736.01835.01647.01561.01658.01553.01337.01429.01521.01727.01649.0NANANA1557.0NANANA1010.442NANANA892.937NANANA782.314NANANA755.073NANANA719.057NANA
us-gaap:AdditionalPaidInCapitalCommonStock ▁▁▁▁▁▁▁▁▂▄▄▅▇█▇▆▆▆▆▆▆▆▆▅▅▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂191.0170.0199.0181.0166.0140.0175.0160.0240.0543.0643.0760.01055.01153.01044.0870.0865.0841.0841.0831.0822.0806.0803.0789.907782.433398.141396.059383.3351.546340.429340.848331.958324.36234.236285.524280.728275.556267.876266.022260.166262.988NA251.612NANA
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▇▇▆▇▆▆▅▄▃▂▁▁▂▂▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂2153.01968.01860.01983.01798.01522.01781.01666.01491.01295.01012.0811.0614.0412.0298.0560.0657.0887.0810.0857.0815.0782.0758.0728.747682.448643.505615.352581.56565.438557.627553.129562.255554.686530.115500.2474.557471.193508.499490.41523.37504.42NA469.592NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▇▇██▇▁▄▄▄▃▂▂▂▁▂▃▃▃▃▃▄▃▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃26.026.037.037.032.0-15.04.05.05.0-3.0-8.0-10.0-11.0-12.0-5.0-1.0-1.0-1.0-2.03.04.02.0-4.0-0.701-1.830.297-1.019-0.6170.04-0.382-1.086-1.411-2.705-0.197-0.457-0.33-0.785-1.109-1.405-1.762-1.597NA-2.192NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅█▂▅▃▃▄▃▄▂▁▃▄▂▄▃▆▃▄▃▃▄▄▃▅▄▅▃▄▃▄▂▃▃▃▄▃▃▃▃▃▄▃493.0568.01299.0-158.0613.0136.029.0242.0-93.0249.0-123.0-505.0-80.0394.0-153.0285.0-47.0719.040.0355.0139.0139.0219.214258.07694.077553.633219.059605.73824.563210.89778.339223.492-131.85220.10483.7628.041185.40850.57570.23240.26530.77584.123151.912-16.378NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▅▃▆▆▅▄▇▂▇▇█▇▆▂█▂▃▅▆▆▄▁▅▄▄▄▅▅▅▅▅▃▅▅▅▅▅▅▅▅▅▅▅-321.0-87.0-498.060.0141.0-103.0-213.0313.0-564.0171.0322.0423.0253.0145.0-599.0371.0-506.0-339.0-71.0142.041.0-314.0-754.925-108.226-329.059-227.79-274.449-158.944-74.845-27.491-1.895-109.604-410.612-21.2-2.79-29.487-18.589-42.718-114.265-3.885-39.022-79.755-124.435-24.958NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▅▄▅▃▄▃▂▄▃▁▁▄▄▆▆▄▄▄▄▄█▄▆▄▄▅▄▄▄▄▅▆▄▄▄▄▄▄▄▄▄▄7.0-207.0156.0-2.0189.0-118.0-42.0-148.0-314.0-48.0-181.0-509.0-498.0-5.04.0299.0334.0-1.08.00.09.02.0700.5640.478378.845.118-4.143124.451-5.736-35.9322.895-0.002115.623374.837-0.68-10.16642.5516.03950.368-8.1013.6683.5381.9546.806NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▆█▄█▄▄▆▁▆▅▂▃▆▂█▄▆179.0274.0957.0-100.0943.0-85.0-226.0407.0-971.0372.018.0-591.0-325.0534.0-735.0954.0-222.0381.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:DepreciationDepletionAndAmortization ▄▅▃▂▂▂▂▂▂▃▂▄▅▅▆▇███▇▇▇▅▄▄▄▅▅▄▅▃▃▂▂▂▂▂▁▂▁▁▁▂▁31.033.024.023.021.020.021.021.022.025.023.031.036.037.039.043.047.049.047.046.045.044.033.41730.50729.50232.57434.9433.8132.6632.99425.83124.12822.10821.79920.47520.27919.67118.33921.96917.81216.50818.09420.2816.573NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▅█▂▅▃▃▄▃▄▂▁▃▄▂▄▃▆▃▄▃▃▄▄▃▅▄▅▃▄▃▄▂▃▃▃▄▃▃▃▃▃▄▃493.0568.01299.0-158.0613.0136.029.0242.0-93.0249.0-123.0-505.0-80.0394.0-153.0285.0-47.0719.040.0355.0139.0139.0219.214258.07694.077553.633219.059605.73824.563210.89778.339223.492-131.85220.10483.7628.041185.40850.57570.23240.26530.77584.123151.912-16.378NA
us-gaap:NetIncomeLoss ▇▇▅▇█▇▇▇▇▇▇▇▇▆▁▃▁▅▄▅▅▅▅▅▅▅▅▅▅▄▄▅▅▅▅▄▄▅▄▅▅▅▅▅▅185.0228.034.0185.0276.0178.0168.0175.0196.0198.0201.0197.0202.0107.0-262.0-97.0-230.077.0-47.042.033.024.030.046.29938.94328.15333.79216.1227.8114.498-9.1267.56924.57129.91525.6433.364-37.30618.089-32.9618.9517.4417.38817.62816.17310.579
us-gaap:ShareBasedCompensation ▃▇▄▄▅▄▃▃▃▃▂▂▂▂▃▁█▂▁▃▃▂▂▂▁▂▂▂▂▂▃▃▂▂▂▂▂▂▂▂▂▂▁▁11.024.014.015.016.012.010.010.010.09.07.07.07.06.08.03.029.06.02.08.09.07.06.7746.9853.5665.6755.6125.6594.865.5968.048.5047.7294.4214.575.6365.1464.6664.3294.3494.314.0642.2632.76NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▅▃▆▆▅▄▇▂▇▇█▇▆▂█▂▃▅▆▆▄▁▅▄▄▄▅▅▅▅▅▃▅▅▅▅▅▅▅▅▅▅▅-321.0-87.0-498.060.0141.0-103.0-213.0313.0-564.0171.0322.0423.0253.0145.0-599.0371.0-506.0-339.0-71.0142.041.0-314.0-754.925-108.226-329.059-227.79-274.449-158.944-74.845-27.491-1.895-109.604-410.612-21.2-2.79-29.487-18.589-42.718-114.265-3.885-39.022-79.755-124.435-24.958NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▃▂▃▄▄▄▂▃▂▂▂▂▁▁▄▅▄▅▆█▇13.016.010.019.024.021.027.010.014.06.06.010.010.04.01.025.034.026.033.041.056.046.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireProductiveAssets moh:AssetAcquisition,us-gaap:StatementGeographical,us-gaap:SubsequentEventType moh:YourCareHealthPlanInc,stpr:NY,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireProductiveAssets moh:AssetAcquisition,us-gaap:SubsequentEventType moh:CertainAssetsOfPassportHealthPlan,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▅▄▅▃▄▃▂▄▃▁▁▄▄▆▆▄▄▄▄▄█▄▆▄▄▅▄▄▄▄▅▆▄▄▄▄▄▄▄▄▄▄7.0-207.0156.0-2.0189.0-118.0-42.0-148.0-314.0-48.0-181.0-509.0-498.0-5.04.0299.0334.0-1.08.00.09.02.0700.5640.478378.845.118-4.143124.451-5.736-35.9322.895-0.002115.623374.837-0.68-10.16642.5516.03950.368-8.1013.6683.5381.9546.806NA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▃▃▁▁█0.0128.0153.00.00.0453.0NANA0.00.0NANANANANANANANANANANANANANANANA0.00.00.00.02.66250.050.050.03.00.00.00.0NANANANANANANA
 us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:StatementEquityComponents us-gaap:CommonStockNA6.0NANA7.07.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Shares Outstanding

us-gaap:SharesOutstanding

us-gaap:SharesOutstanding


Shares
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-06-302011-03-312010-12-312009-12-312008-12-31
Value57585858616262626161595656565655555448484646454545464646454645453840
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value585859595959626363636262626260575757575649454645453840
Percentage of SharesOutstanding0.0100.5101.70.0100.5100.7100.20.0101.3101.499.80.0101.1101.6101.70.0100.9101.8101.8101.8102.4100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-05-012013-04-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15015015015015015015015015015015015015015015015015015015015015015015015015015015015015015015015080808080808080800.080.08
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5858595959626363636262626260575757575757575656564949484646454545454646464645450.0460620.045463
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value58585959616364666767655756565655575953504848474746464646464646464238
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value57575858606262626161605756565655555450484646464545454646454545454238
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.23.950.63.144.722.952.72.813.153.193.243.223.291.79-4.59-1.7-4.11.38-0.850.770.580.440.540.840.780.580.70.340.170.1-0.20.170.540.65550.00.07-0.80.39-0.720.410.380.380.390.380.270.28
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.163.890.583.14.652.922.672.753.062.993.012.93.021.64-4.59-1.7-4.11.37-0.850.760.580.430.520.770.720.560.690.330.160.09-0.20.160.530.64540.00.07-0.80.39-0.720.410.380.380.390.380.270.27
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value18521734190323159167175204203203198204100-266.0-97.0-230.078-52.04135302647362933158.2335.202-8.8018.8632230253.819-36.98218-32.603181817171610
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating840.91085.0226.71357.11794.4548.3575.9437.5600.0700.0634.4535.1637.5416.7-1209.1-538.9-1437.5557.1-400.0455.6437.5375.0415.6981.5961.8977.41347.5757.7423.3319.3-438.7509.41355.21973.52140.6326.1-3337.71070.8-1879.12458.81255.31083.51272.2915.1639.4

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value58195474409835983716352334663371
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating26450.027370.029271.419988.912813.88807.510194.111624.1

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
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
Value65276187514447324194427540323986392838394340443945414424521851125286482245404428425442543794349834093088270424442279204417081662155915231524153315951340125711431135108810471009978
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating29668.230935.034293.333800.023300.014741.413903.49965.011552.913237.913562.511997.314190.618433.323718.228400.033037.534442.934923.149200.053175.053175.059989.572402.989061.2102450.8109141.4119773.2117203.7125535.785159.995526.095785.599640.0127888.9130914.0144015.478052.472503.5149627.778540.468281.475947.857340.561173.2

us-gaap:CostsAndExpenses us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Costs
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
Value693700736634596559487463462468550538573582844769671589-573.0-561.0-544.05393116-448.0-447.0417
Percentage of CostsAndExpenses10.611.314.313.414.213.112.111.611.812.212.712.112.613.216.215.012.712.2-12.6-12.7-12.812.782.1-12.8-13.113.5
Percentage of InterestAndDividendIncomeOperating3150.03500.04906.74528.63311.11927.61679.31157.51358.81613.81718.81454.11790.62425.03836.44272.24193.84207.1-4407.7-6233.3-6800.06737.549264.8-9271.5-11677.113830.8
Percentage of InterestAndDividendIncomeOperating us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-10.00.0-5.00.00.0-2.0143.03.0-10.0-5.0-10.0-14.00.00.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of InterestAndDividendIncomeOperating-66.70.0-27.80.00.0-5.041.210.39.4-27.0-15.6-41.7-63.60.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4844734503683453173433233283023353113353523673834054393593433513403152872862562041781931881871761611411531271311201249996941008878
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2200.02365.03000.02628.61916.71093.11182.8807.5964.71041.41046.9840.51046.91466.71668.22127.82531.23135.72761.53811.14387.54250.04991.75953.97484.28493.98252.18764.39935.211546.29322.310128.39918.99248.312870.710888.111866.97001.97202.613038.06702.75924.57278.85037.54883.0

Gross Profit

us-gaap:GrossProfit us-gaap:ConsolidationItems

us-gaap:GrossProfit

us-gaap:OperatingSegments


Gross
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value767836774588578561583581664566673615446564254546341457454420
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3486.44180.04300.02027.61993.11402.51714.72003.42075.01529.72103.12562.52027.33133.31587.53900.02623.15077.85675.05250.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, moh:HealthPlans


Gross
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
Value551604447670774588578561583581663547664601438557249537333443435407
Percentage of GrossProfit71.872.20.00.0100.0100.0100.0100.0100.0100.099.896.698.797.798.298.898.098.497.796.995.896.9
Percentage of InterestAndDividendIncomeOperating2504.53020.02980.04785.74300.02027.61993.11402.51714.72003.42071.91478.42075.02504.21990.93094.41556.23835.72561.54922.25437.55087.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments moh:HealthPlans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, moh:Marketplace


Gross
Period End2021-06-302021-03-312020-06-302020-03-31
Value11215196106
Percentage of GrossProfit14.618.112.418.0
Percentage of InterestAndDividendIncomeOperating509.1755.0533.3365.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments moh:Marketplace0.00.00.00.0

us-gaap:OperatingSegments, moh:Medicare


Gross
Period End2021-06-302021-03-312020-06-302020-03-31
Value10177125117
Percentage of GrossProfit13.29.216.119.9
Percentage of InterestAndDividendIncomeOperating459.1385.0694.4403.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments moh:Medicare0.00.00.00.0

us-gaap:OperatingSegments, us-gaap:AllOtherSegments


Gross
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.04.00.00.00.00.0275.05.06.05.02.01.05.04.08.0147.0
Percentage of GrossProfit0.40.50.00.00.00.04.10.90.71.01.10.40.40.91.21.83.11.7
Percentage of InterestAndDividendIncomeOperating13.620.00.00.00.00.084.413.515.625.022.711.16.235.730.888.9175.087.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


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
Value24330551262395253222233257260256259305179-316.0-113.0-314.0131-31.092806456971006781241810-16.516113154502.872-63.07529-19.95629272729251717
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1104.51525.0340.01871.42194.4872.4765.5582.5755.9896.6800.0700.0953.1745.8-1436.4-627.8-1962.5935.7-238.51022.21000.0800.0890.12020.42631.02234.33304.11200.2948.2643.9-823.3656.21921.23543.84206.9245.3-5692.71696.1-1150.23820.21917.51737.62174.01440.51068.10.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value587717771197554586162556210372-54.0-16.0-84.0541650474026516139478.427105.655-7.4753.865152424-0.492-25.7691113101010129.186.5
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating263.6385.0113.3550.0661.1258.6186.2145.0179.4213.8171.9167.6321.9300.0-245.5-88.9-525.0385.7123.1555.6587.5500.0421.61062.31614.01300.91934.7412.9550.2347.1-372.6222.1950.91587.32055.6-42.0-2325.7642.6749.51339.8711.4646.7895.6521.6406.5

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value303030272421202222232426323333322726252625252015141414141313131311134.3484.3153.8084.2983.8534.383.6833.6033.4534.64.099
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating136.4150.0200.0192.9133.372.469.055.064.779.375.070.3100.0137.5150.0177.8168.8185.7192.3288.9312.5312.5330.6316.0390.4493.4588.3706.5719.4848.5689.7777.7716.6852.6364.8368.5343.7250.3222.1573.3254.7226.0250.4261.4256.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18522834185276178168175196198201197202107-262.0-97.0-230.077-47.04233243046382833167.8114.498-9.1267.5692429253.364-37.30618-32.9618171717161010
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating840.91140.0226.71321.41533.3613.8579.3437.5576.5682.8628.1532.4631.2445.8-1190.9-538.9-1437.5550.0-361.5466.7412.5300.0474.3958.21017.3933.81363.7789.9401.6276.1-454.9435.01509.31956.52151.3287.3-3367.01053.5-1899.72480.41206.11090.81278.3918.9661.60.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value185228185276178175196198197202107-97.0-230.077
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating840.91140.01321.41533.3613.8437.5576.5682.8532.4631.2445.8-538.9-1437.5550.0
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Investment Income

us-gaap:NetInvestmentIncome

us-gaap:NetInvestmentIncome


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value10.09.01325
Percentage of NetInvestmentIncome100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.545.072.286.2

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-30.0-30.0-40.0-27.0-29.0-21.0-20.0-24.0-8.0-20.0-16.0-36.0-37.0-43.0-47.0-32.0-27.049-177.02625-25.0-19.991-15.229-14.914-14.866-14.956-15.282-13.984-13.778-14.417-13.508-15.169-12.906
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-136.4-150.0-266.7-192.9-161.1-72.4-69.0-60.0-23.5-69.0-50.0-97.3-115.6-179.2-213.6-177.8-168.8350.0-1361.5288.9312.5-312.5-316.1-315.2-389.6-493.1-603.6-748.8-719.0-845.8-718.7-776.3-931.8-844.1

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value27333591289424274242257265280272295342222-269.0-81.0-287.082-6.011810589761121158297393224-2.685244667547.187-59.26733-16.10333313133292120
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating1240.91675.0606.72064.32355.6944.8834.5642.5779.4965.5850.0797.31068.8925.0-1222.7-450.0-1793.8585.7-46.21311.11312.51112.51201.62335.53020.62727.43914.41949.01667.21489.7-133.81432.52852.94387.94541.4613.7-5349.01946.4-928.14393.52172.21963.62424.41701.91324.50.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-10.00.0-5.00.00.0-2.0143.08.0-10.0-5.0-10.0-14.00.00.0750.00.00.00.00.9180.040.0320.01-56.803-0.8630.0090.044-13.831-13.508-15.169-12.906-2.717-4.499-4.894-4.298
Percentage of OtherNonoperatingIncomeExpense100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-66.70.0-27.80.00.0-5.041.210.325.0-27.0-15.6-41.7-63.60.00.0535.70.00.00.00.014.50.80.80.3-2292.3-42.30.52.7-689.5-776.3-931.8-844.1-227.9-384.2-441.7-250.3

Premiums Earned Net

us-gaap:PremiumsEarnedNet

us-gaap:PremiumsEarnedNet


Premiums
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value658363064768437243044123408440493952443843374514432346894777
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating29922.731530.034057.124288.914841.414217.210210.011908.813627.613868.811721.614106.218012.521313.626538.9

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value68006522523550214618454942744243419341194664469748834646494950314999490445344546435943433870361135243171280024842312206917051687160515901578154015361373130611761167111910801039999
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating30909.132610.034900.035864.325655.615686.214737.910607.512332.414203.414575.012694.615259.419358.322495.527950.031243.835028.634876.950511.154487.554287.561195.674738.592081.8105178.2113033.4121722.2118870.9127025.485026.096958.698638.5104027.9132430.3131527.8138666.479998.875297.3154021.280712.670245.078372.259042.462497.7

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Revenuesus-gaap:
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
Value199199380253246245151159144167210230242189129124130125226222195208175187174148
Percentage of Revenues2.93.17.35.05.35.43.53.73.44.14.54.95.04.12.62.52.62.55.04.94.54.84.55.24.94.7
Percentage of InterestAndDividendIncomeOperating904.5995.02533.31807.11366.7844.8520.7397.5423.5575.9656.2621.6756.2787.5586.4688.9812.5892.91738.52466.72437.52600.02766.83870.04545.54908.8
Percentage of InterestAndDividendIncomeOperating us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

moh:HealthPlans


Revenuesus-gaap:
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
Value52095020523450204616454542694239419041174645456547524509481448994868477143994412422342013762356234773117
Percentage of Revenues76.677.0100.0100.0100.099.999.999.999.9100.099.697.297.397.197.397.497.497.397.097.196.996.797.298.698.698.3
Percentage of InterestAndDividendIncomeOperating23677.325100.034893.335857.125644.415672.414720.710597.512323.514196.614515.612337.814850.018787.521881.827216.730425.034078.633838.549022.252787.552512.559478.373716.990830.7103383.1
Percentage of InterestAndDividendIncomeOperating moh:HealthPlans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.073716.990830.7103383.1

moh:Marketplace


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value751680373393
Percentage of Revenues11.010.48.18.6
Percentage of InterestAndDividendIncomeOperating3413.63400.02072.21355.2
Percentage of InterestAndDividendIncomeOperating moh:Marketplace0.00.00.00.0

moh:Medicare


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value822805634639
Percentage of Revenues12.112.313.714.0
Percentage of InterestAndDividendIncomeOperating3736.44025.03522.22203.4
Percentage of InterestAndDividendIncomeOperating moh:Medicare0.00.00.00.0

us-gaap:AllOtherSegments


Revenuesus-gaap:
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
Value18171.01.02.04.05.04.03.02.017179831378885848786869090602.01.02.0
Percentage of Revenues0.30.30.00.00.00.10.10.10.10.03.71.71.72.91.81.71.71.81.91.92.12.11.60.10.00.1
Percentage of InterestAndDividendIncomeOperating81.885.06.77.111.113.817.210.08.86.9534.4213.5259.4570.8400.0472.2525.0621.4661.5955.61125.01125.0948.641.426.166.3
Percentage of InterestAndDividendIncomeOperating us-gaap:AllOtherSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1053099509532788178767129678767016690757971548051876391338471895485838038744975707202718365765915573651694477405634523293300229252579248819341907191717401652161816001509
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value4849377438214233
Percentage of Assets50.955.653.450.0
Percentage of Assets50.955.653.450.0
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

moh:HealthPlans


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value835952656165634770316732658658975891552153024707567642702809274823762280170216721682150114251333
Percentage of Assets87.777.686.274.978.578.481.979.277.876.773.871.696.095.493.694.092.191.788.087.787.886.386.388.4
Percentage of Assets87.777.686.274.978.578.481.979.277.876.773.871.696.095.493.694.092.191.788.087.787.886.386.388.4
Percentage of Assets moh:HealthPlans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value11731522989190516901611117312851412142916311656895891
Percentage of Assets12.322.413.822.518.918.814.617.318.719.822.725.220.029.7
Percentage of Assets12.322.413.822.518.918.814.617.318.719.822.725.220.029.7
Percentage of Assets us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8160778674365680588054824827487049545744550764907105758071347525706263115800587955615593501943974273412734663091253423952110203217031723115211521171964897836834790
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets77.578.378.072.174.776.971.172.774.175.877.080.681.183.084.284.082.378.577.977.777.277.976.374.374.579.877.476.273.472.770.369.566.069.359.660.461.155.454.351.752.152.4

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value2753181421742896
Percentage of Liabilities37.037.639.540.6
Percentage of Assets28.926.730.434.2
Percentage of Assets srt:ParentCompany56.848.156.968.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1053099509532788178767129678767016690757971548051876391338471895485838038744975707202718365765915573651694477405634523293300229252579248819341907191717401652161816001509
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value4849377438214233
Percentage of LiabilitiesAndStockholdersEquity50.955.653.450.0
Percentage of Assets50.955.653.450.0
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value237021642096220119961647196018311736183516471561165815531337142915211727164916911641159015571518146310411010964917897892892876764782755746775755781765719
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.521.722.027.925.323.128.927.325.924.223.019.418.917.015.816.017.721.522.122.322.822.123.725.725.520.222.623.826.627.329.730.534.030.740.439.638.944.645.748.347.947.6

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2096196016471337
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets22.028.923.015.8
Percentage of Assets srt:ParentCompany43.251.943.131.6

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value374.0-8.0-5.0-2.0
Percentage of StockholdersEquity1.80.2-0.5-0.4-0.1
Percentage of Assets0.40.1-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1991756431044841
Percentage of StockholdersEquity9.58.939.078.151.0
Percentage of Assets2.12.69.012.311.3
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value186017811012298810
Percentage of StockholdersEquity88.790.961.422.349.1
Percentage of Assets19.526.214.13.510.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value88748308787669537062632459675877586367316462730180278196751177087169640259886113554557645306491048064275324529872371228120391966174417271349131413211152104810341028957
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets84.383.582.688.289.788.787.987.787.688.890.390.791.689.788.786.183.579.680.480.877.080.280.783.083.882.772.573.768.769.367.967.267.669.469.768.968.966.263.463.964.263.5

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Assets
Period End2020-12-312019-12-312018-12-312017-12-31
Value82511237851640
Percentage of AssetsCurrent10.518.812.121.8
Percentage of Assets8.716.511.019.4
Percentage of Assets srt:ParentCompany17.029.820.538.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value4608443141543196330323652452267922533224282628143392372931863934297931982819284223452156232921642013187015391598102710839358567421169795715727517493487459463455426460469387
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets43.844.543.640.641.933.236.140.033.742.539.535.038.740.837.643.934.739.837.837.532.630.035.436.635.136.234.439.429.832.931.229.328.847.041.137.537.929.829.930.128.70.030.20.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value57583670504
Percentage of CashAndCashEquivalentsAtCarryingValue13.834.12.515.8
Percentage of Assets6.012.31.05.9
Percentage of Assets srt:ParentCompany11.922.21.811.9

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
Value46764497422332663366242325082734232732982926290834993824329040253071329329122426
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 Assets44.445.244.341.442.734.037.040.834.843.540.936.139.941.938.845.035.841.039.136.9

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value5758367051386360
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents13.633.32.415.63.014.8
Percentage of Assets6.012.31.06.11.25.5
Percentage of Assets srt:ParentCompany11.922.21.812.10.00.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value224119381875176919062010194617572070150816811812217624442524178721922056175817351968207018011461146612031019842740696703735718341342356344357336324356295
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.319.519.722.424.228.228.726.230.919.923.522.524.826.829.820.025.525.623.622.927.328.827.424.725.623.322.820.821.521.123.425.127.913.717.718.718.020.620.420.122.319.6

us-gaap:MarketableSecuritiesCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Marketable
Period End2020-12-312019-12-312018-12-312017-12-31
Value69161100192
Percentage of MarketableSecuritiesCurrent3.78.35.97.6
Percentage of Assets0.72.41.42.3
Percentage of Assets srt:ParentCompany1.44.32.64.5

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value185717761672177515801603140612801239135913301346114895087110021006100697410531012863597619631491596425473338298293213150149156161222167180172168
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.617.817.522.520.122.520.719.118.517.918.616.713.110.410.311.211.712.513.113.914.112.09.110.511.09.513.310.513.710.310.010.08.36.07.78.28.412.810.211.110.811.1

us-gaap:ReceivablesNetCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

moh:CompleteCareReceivables


Receivables
Period End2020-12-31
Value166
Percentage of ReceivablesNetCurrent9.9
Percentage of Assets1.7
Percentage of Assets moh:CompleteCareReceivables0.0

moh:GovernmentReceivables


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value138813329691180105611671056872
Percentage of ReceivablesNetCurrent74.775.058.066.566.872.875.165.6
Percentage of Assets13.213.410.215.013.416.415.612.2
Percentage of Assets moh:GovernmentReceivables0.00.00.00.00.00.00.00.0

moh:HealthInsurerFeeReimbursementReceivables


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value2454104180137715.014122
Percentage of ReceivablesNetCurrent1.33.06.210.18.74.40.410.62.5
Percentage of Assets0.20.51.12.31.71.00.12.00.3
Percentage of Assets moh:HealthInsurerFeeReimbursementReceivables0.00.00.00.00.00.00.00.00.0

moh:OtherReceivables


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value229190255240226205195171
Percentage of ReceivablesNetCurrent12.310.715.313.514.312.813.912.9
Percentage of Assets2.21.92.73.02.92.92.92.4
Percentage of Assets moh:OtherReceivables0.00.00.00.00.00.00.00.0

moh:PharmacyRebateReceivables


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value216200178175161160150155154
Percentage of ReceivablesNetCurrent11.611.310.69.910.210.010.711.717.7
Percentage of Assets2.12.01.92.22.02.22.22.21.8
Percentage of Assets moh:PharmacyRebateReceivables0.00.00.00.00.00.00.00.00.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value16816317521327334613414013212414948634441118517415914213116919726019249
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.61.82.73.54.92.02.12.01.62.16.03.94.52.21.91.91.81.82.22.73.62.91.1

us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-31
Value654647103
Percentage of PrepaidExpenseAndOtherAssetsCurrent37.134.331.555.7
Percentage of Assets0.70.70.71.2
Percentage of Assets srt:ParentCompany1.31.21.22.4

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value752687774883919755618500392319203
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.910.110.810.412.311.513.816.720.319.313.5

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value494915416115915319516512410949
Percentage of PropertyPlantAndEquipmentGross6.57.119.918.217.320.331.633.131.634.424.5
Percentage of Assets0.50.72.21.92.12.34.45.56.46.63.3
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value221213231289301250140131977960
Percentage of PropertyPlantAndEquipmentGross29.431.029.832.732.833.122.826.324.924.829.5
Percentage of Assets2.33.13.23.44.03.83.14.45.14.84.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.04.016161616151515143.524
Percentage of PropertyPlantAndEquipmentGross0.50.62.11.81.72.12.53.24.04.41.7
Percentage of Assets0.00.10.20.20.20.20.30.50.80.90.2
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PropertyPlantAndEquipment


Property
Period End2020-12-31
Value3.0
Percentage of PropertyPlantAndEquipmentGross0.4
Percentage of Assets0.0
Percentage of Assets us-gaap:PropertyPlantAndEquipment0.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value47542137341744333626618715411690
Percentage of PropertyPlantAndEquipmentGross63.261.348.247.248.244.543.137.439.436.444.3
Percentage of Assets5.06.25.24.95.95.16.06.28.07.06.0
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value577530533541465362277207171128102
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.17.87.56.46.25.56.26.98.87.86.8

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value3228222527682306
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0
Percentage of Assets33.932.838.727.2
Percentage of Assets srt:ParentCompany66.659.072.454.5

Goodwill

us-gaap:Goodwill us-gaap:BusinessAcquisition

us-gaap:Goodwill

moh:HealthPlansSegment


Goodwillus-gaap:
Period End2020-12-31
Value488
Percentage of Goodwill100.0
Percentage of Assets5.1
Percentage of Assets moh:HealthPlansSegment0.0

moh:PassportHealthPlanInc


Goodwillus-gaap:
Period End2020-09-302020-09-01
Value2730
Percentage of Goodwill0.00.0
Percentage of Assets0.30.0
Percentage of Assets moh:PassportHealthPlanInc0.00.0

moh:YourCareHealthPlanInc


Goodwillus-gaap:
Period End2020-07-01
Value31
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets moh:YourCareHealthPlanInc0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

moh:HealthPlans


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value390372692143143143387387387291
Percentage of Goodwill0.00.0141.80.00.00.00.00.00.00.0
Percentage of Assets3.73.77.32.12.01.74.34.55.24.4
Percentage of Assets moh:HealthPlans0.00.08.32.72.32.35.55.76.66.2

us-gaap:AllOtherSegments


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value6767670.00.00.00.0101162157
Percentage of Goodwill0.00.013.70.00.00.00.00.00.00.0
Percentage of Assets0.60.70.70.00.00.00.01.22.22.4
Percentage of Assets us-gaap:AllOtherSegments0.00.05.70.00.00.00.06.312.69.5

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

moh:HealthPlans


Intangible
Period End2021-06-302021-03-312020-12-31
Value143150157
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0
Percentage of Assets1.41.51.6
Percentage of Assets moh:HealthPlans0.00.01.9

moh:Medicare


Intangible
Period End2021-06-302021-03-312020-12-31
Value687276
Percentage of IntangibleAssetsNetExcludingGoodwill47.648.048.4
Percentage of Assets0.60.70.8
Percentage of Assets moh:Medicare0.00.00.0

us-gaap:AllOtherSegments


Intangible
Period End2021-06-302021-03-312020-12-31
Value141516
Percentage of IntangibleAssetsNetExcludingGoodwill9.810.010.2
Percentage of Assets0.10.20.2
Percentage of Assets us-gaap:AllOtherSegments0.00.01.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value24929476910111213114014914614912296808489858893981046872778590961018491105
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.60.40.70.81.11.31.61.92.02.02.11.91.61.41.62.02.12.62.83.33.62.72.94.04.54.75.56.25.25.77.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

moh:ContractRightsandLicensingAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value202233960119104
Percentage of FiniteLivedIntangibleAssetsNet81.179.383.087.085.085.2
Percentage of Assets2.10.30.50.71.61.6
Percentage of Assets moh:ContractRightsandLicensingAgreements0.00.00.00.00.00.0

moh:ProviderNetworks


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value326.08.09.02016
Percentage of FiniteLivedIntangibleAssetsNet12.920.717.013.014.313.1
Percentage of Assets0.30.10.10.10.30.2
Percentage of Assets moh:ProviderNetworks0.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2020-12-31
Value15
Percentage of FiniteLivedIntangibleAssetsNet6.0
Percentage of Assets0.2
Percentage of Assets us-gaap:TradeNames0.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value929923941265164168172176180185190195201250255531671751760641
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.89.39.93.42.12.42.52.62.72.42.72.42.32.73.05.97.89.310.29.7

us-gaap:IntangibleAssetsNetIncludingGoodwill us-gaap:ConsolidatedEntities

srt:ParentCompany


Intangible
Period End2020-12-312019-12-312018-12-312017-12-31
Value369131315
Percentage of IntangibleAssetsNetIncludingGoodwill39.27.66.85.9
Percentage of Assets3.90.20.20.2
Percentage of Assets srt:ParentCompany7.60.30.30.4

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6979117103181525-5.457-14.8-0.519
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.71.21.61.20.30.30.9-0.3-0.9-0.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value7165
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.71.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:BusinessAcquisition

moh:CompleteCare


Operating
Period End2020-12-31
Value13
Percentage of OperatingLeaseRightOfUseAsset18.3
Percentage of Assets0.1
Percentage of Assets moh:CompleteCare0.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value134137119101999910510810611124302813540424743414039372836373444514539353535291920201917131417
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.21.31.31.41.51.61.61.50.30.40.31.50.50.50.50.50.60.50.50.50.40.60.70.71.01.31.31.21.21.21.41.21.01.11.11.11.00.90.91.2

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value651695641566876743455478373444390824754713366485375438385383537601362274399427241609475406319282180159184151136124147141133137
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.27.06.77.211.110.46.77.15.65.95.510.28.67.84.35.44.45.45.25.17.58.45.54.67.08.35.415.013.812.310.79.77.06.49.57.97.17.28.98.88.39.1

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value338260223178
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent52.757.157.248.6
Percentage of Assets3.53.83.12.1
Percentage of Assets srt:ParentCompany7.06.95.84.2

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
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
Value427137561544324920730207211178193282
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.73.90.80.70.63.73.10.42.72.92.22.23.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value57075323496535563755357032693308338842924246521358206005555759625793442245704665364643773822386137383593217419361630155512931045707803828831839677601604608565
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.253.552.145.147.750.148.249.450.656.659.464.766.465.865.666.667.555.061.461.650.660.958.165.365.269.548.647.747.247.243.135.727.432.342.843.643.838.936.437.438.037.5

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value3383079441356
Percentage of LiabilitiesCurrent6.89.422.224.4
Percentage of Assets3.54.513.216.0
Percentage of Assets srt:ParentCompany7.08.124.732.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-31
Value2125
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.20.4

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value212921282127181318121596123712391241112110201019101913181318131710171653117311691160642261260269228216168166164
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.221.422.323.023.022.418.218.518.614.814.312.711.614.415.614.711.820.615.715.417.625.813.513.714.013.113.110.410.410.9

us-gaap:LongTermDebtNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-31
Value212712371020
Percentage of LongTermDebtNoncurrent100.0100.0100.0
Percentage of Assets22.318.214.3
Percentage of Assets srt:ParentCompany43.932.826.7

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredFinanceCostsNoncurrentNet


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
Value21222317188.07.08.09.09.010.01111121213131611
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.10.10.10.10.10.10.10.10.10.10.10.20.20.1

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value101112119858487909093974460685961485444423938383732313333282827262523232422222221172019
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.11.21.11.11.21.31.31.41.30.60.70.80.60.70.50.60.50.60.50.50.50.60.50.50.60.70.70.80.80.90.90.91.01.31.21.21.31.31.11.31.3

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value63391324
Percentage of OtherLiabilitiesNoncurrent52.943.329.539.3
Percentage of Assets0.70.60.20.3
Percentage of Assets srt:ParentCompany1.31.00.30.6

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-31
Value4248
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0
Percentage of Assets0.40.7

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value20
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value10000000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value6000000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value3000000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value76737785
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets0.81.11.11.3

us-gaap:OperatingLeaseLiability us-gaap:BusinessAcquisition

moh:CompleteCare


Operating
Period End2020-12-31
Value13
Percentage of OperatingLeaseLiability17.1
Percentage of Assets0.1
Percentage of Assets moh:CompleteCare0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value84
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value8000000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value237021642096220119961647196018311736183516471561165815531337142915211727164916911641159015571518146310411010964917897892892876764782755746775755781765719
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.521.722.027.925.323.128.927.325.924.223.019.418.917.015.816.017.721.522.122.322.822.123.725.725.520.222.623.826.627.329.730.534.030.740.439.638.944.645.748.347.947.6

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2096196016471337
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets22.028.923.015.8
Percentage of Assets srt:ParentCompany43.251.943.131.6

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value374.0-8.0-5.0-2.0
Percentage of StockholdersEquity1.80.2-0.5-0.4-0.1
Percentage of Assets0.40.1-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1991756431044841
Percentage of StockholdersEquity9.58.939.078.151.0
Percentage of Assets2.12.69.012.311.3
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value186017811012298810
Percentage of StockholdersEquity88.790.961.422.349.1
Percentage of Assets19.526.214.13.510.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value237021642096220119961647196018311736183516471561165815531337142915211727164915571010892782755719542531
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.521.722.027.925.323.128.927.325.924.223.019.418.917.015.816.017.721.522.123.722.629.740.445.747.60.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value2626373732-15.04.05.05.0-3.0-8.0-10.0-11.0-12.0-5.0-1.0-1.0-1.0-2.0-4.0-1.019-1.086-0.457-1.405-2.192-1.812-2.31
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.11.21.81.71.6-0.90.20.30.3-0.2-0.5-0.6-0.7-0.8-0.4-0.1-0.1-0.1-0.1-0.3-0.1-0.1-0.1-0.2-0.3-0.3-0.4
Percentage of Assets0.20.30.40.50.4-0.20.10.10.1-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.1-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value191170199181166140175160240543643760105511531044870865841841803396340285266251129170
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest8.17.99.58.28.38.58.98.713.829.639.048.763.674.278.160.956.948.751.051.639.238.236.535.235.023.932.1
Percentage of Assets1.81.72.12.32.12.02.62.43.67.29.09.412.012.612.39.710.110.511.312.28.811.414.816.116.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value21531968186019831798152217811666149112951012811614412298560657887810758615553500490469414383
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest90.890.988.790.190.192.490.991.085.970.661.452.037.026.522.339.243.251.449.148.760.961.963.964.965.376.472.2
Percentage of Assets20.419.819.525.222.821.326.224.922.317.114.110.17.04.53.56.37.711.010.911.513.718.425.929.731.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value191170199181166140175160240543643760105511531044870865841841831822806803789782398396383351340340331324234285280275267266260262251
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.72.12.32.12.02.62.43.67.29.09.412.012.612.39.710.110.511.311.011.411.212.213.413.67.78.89.410.210.311.411.312.69.414.814.714.415.416.116.116.416.7

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value1991756431044
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0
Percentage of Assets2.12.69.012.3
Percentage of Assets srt:ParentCompany4.14.616.824.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value21531968186019831798152217811666149112951012811614412298560657887810857815782758728682643615581565557553562554530500474471508490523504469
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.419.819.525.222.821.326.224.922.317.114.110.17.04.53.56.37.711.010.911.311.310.911.512.311.912.413.714.316.416.918.419.221.521.325.924.924.629.229.732.331.531.1

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value186017811012298
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets19.526.214.13.5
Percentage of Assets srt:ParentCompany38.447.226.57.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2626373732-15.04.05.05.0-3.0-8.0-10.0-11.0-12.0-5.0-1.0-1.0-1.0-2.03.04.02.0-4.0-0.701-1.830.297-1.019-0.6170.04-0.382-1.086-1.411-2.705-0.197-0.457-0.33-0.785-1.109-1.405-1.762-1.597-2.192
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.40.50.4-0.20.10.10.1-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.10.0-0.1-0.0-0.00.0-0.0-0.00.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value374.0-8.0-5.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets0.40.1-0.1-0.1
Percentage of Assets srt:ParentCompany0.80.1-0.2-0.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4935681299-158.061313629242-93.0249-123.0-505.0-80.0394-153.0285-47.071940355139139219258945532196052421078223-131.8522083281855070403084151-16.378
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2240.92840.08660.0-1128.63405.6469.0100.0605.0-273.5858.6-384.4-1364.9-250.01641.7-695.51583.3-293.85135.7307.73944.41737.51737.53465.85341.02457.618362.68840.229678.51262.912946.43905.212844.4-8099.01314.87026.82394.616733.62945.54048.05270.32128.35277.511016.1-930.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-321.0-87.0-498.060141-103.0-213.0313-564.0171322423253145-599.0371-506.0-339.0-71.014241-314.0-754.925-108.226-329.059-227.79-274.449-158.944-74.845-27.491-1.895-109.604-410.612-21.2-2.79-29.487-18.589-42.718-114.265-3.885-39.022-79.755-124.435-24.958
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1459.1-435.0-3320.0428.6783.3-355.2-734.5782.5-1658.8589.71006.21143.2790.6604.2-2722.72061.1-3162.5-2421.4-546.21577.8512.5-3925.0-11935.6-2239.8-8596.1-7555.2-11075.4-7787.6-3848.1-1687.6-94.5-6299.1-25221.9-1386.5-234.1-2518.1-1677.7-2487.9-6585.9-508.5-2698.6-5003.5-9023.6-1418.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.0-207.0156-2.0189-118.0-42.0-148.0-314.0-48.0-181.0-509.0-498.0-5.04.0299334-1.08.00.09.02.07000.4783785.118-4.143124-5.736-35.9322.895-0.002115374-0.68-10.166421650-8.1013.6683.5381.9546.806
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating31.8-1035.01040.0-14.31050.0-406.9-144.8-370.0-923.5-165.5-565.6-1375.7-1556.2-20.818.21661.12087.5-7.161.50.0112.525.011076.19.99896.6169.8-167.26097.6-294.9-2205.8144.3-0.17102.124515.2-57.0-868.13840.3934.12903.1-1060.3253.7222.0141.7386.7

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
Value179274957-100.0943-85.0-226.0407-971.037218-591.0-325.0534-735.0954-222.0381
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating813.61370.06380.0-714.35238.9-293.1-779.31017.5-2855.91282.856.2-1597.3-1015.62225.0-3340.95300.0-1387.52721.4

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3133242321202121222523313637394347494746454433302932343332322524222120201918211716182016
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4935681299-158.061313629242-93.0249-123.0-505.0-80.0394-153.0285-47.071940355139139219258945532196052421078223-131.8522083281855070403084151-16.378
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2240.92840.08660.0-1128.63405.6469.0100.0605.0-273.5858.6-384.4-1364.9-250.01641.7-695.51583.3-293.85135.7307.73944.41737.51737.53465.85341.02457.618362.68840.229678.51262.912946.43905.212844.4-8099.01314.87026.82394.616733.62945.54048.05270.32128.35277.511016.1-930.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18522834185276178168175196198201197202107-262.0-97.0-230.077-47.04233243046382833167.8114.498-9.1267.5692429253.364-37.30618-32.9618171717161010
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating840.91140.0226.71321.41533.3613.8579.3437.5576.5682.8628.1532.4631.2445.8-1190.9-538.9-1437.5550.0-361.5466.7412.5300.0474.3958.21017.3933.81363.7789.9401.6276.1-454.9435.01509.31956.52151.3287.3-3367.01053.5-1899.72480.41206.11090.81278.3918.9661.60.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value185228185276178175196198197202107-97.0-230.077
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating840.91140.01321.41533.3613.8437.5576.5682.8532.4631.2445.8-538.9-1437.5550.0
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value11241415161210.010.010.09.07.07.07.06.08.03.0296.02.08.09.07.06.7746.9853.5665.6755.6125.6594.865.5968.048.5047.7294.4214.575.6365.1464.6664.3294.3494.314.0642.2632.76
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-321.0-87.0-498.060141-103.0-213.0313-564.0171322423253145-599.0371-506.0-339.0-71.014241-314.0-754.925-108.226-329.059-227.79-274.449-158.944-74.845-27.491-1.895-109.604-410.612-21.2-2.79-29.487-18.589-42.718-114.265-3.885-39.022-79.755-124.435-24.958
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1459.1-435.0-3320.0428.6783.3-355.2-734.5782.5-1658.8589.71006.21143.2790.6604.2-2722.72061.1-3162.5-2421.4-546.21577.8512.5-3925.0-11935.6-2239.8-8596.1-7555.2-11075.4-7787.6-3848.1-1687.6-94.5-6299.1-25221.9-1386.5-234.1-2518.1-1677.7-2487.9-6585.9-508.5-2698.6-5003.5-9023.6-1418.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value131610.01924212710.0146.06.010.010.04.01.025342633415646
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets moh:AssetAcquisition, us-gaap:StatementGeographical, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireProductiveAssets

moh:YourCareHealthPlanInc, stpr:NY, us-gaap:SubsequentEvent


Payments
Period End2020-07-01
Value42
Percentage of PaymentsToAcquireProductiveAssets100.0

us-gaap:PaymentsToAcquireProductiveAssets moh:AssetAcquisition, us-gaap:SubsequentEventType

moh:CertainAssetsOfPassportHealthPlan, us-gaap:SubsequentEvent


Payments
Period End2020-07-17
Value20
Percentage of PaymentsToAcquireProductiveAssets0.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.0-207.0156-2.0189-118.0-42.0-148.0-314.0-48.0-181.0-509.0-498.0-5.04.0299334-1.08.00.09.02.07000.4783785.118-4.143124-5.736-35.9322.895-0.002115374-0.68-10.166421650-8.1013.6683.5381.9546.806
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating31.8-1035.01040.0-14.31050.0-406.9-144.8-370.0-923.5-165.5-565.6-1375.7-1556.2-20.818.21661.12087.5-7.161.50.0112.525.011076.19.99896.6169.8-167.26097.6-294.9-2205.8144.3-0.17102.124515.2-57.0-868.13840.3934.12903.1-1060.3253.7222.0141.7386.7

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.01281530.00.04530.00.00.00.00.00.02.6625050503.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.0100.00.00.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:StatementEquityComponents

us-gaap:CommonStock


Payments
Period End2021-03-312020-06-302020-03-31
Value6.07.07.0
Percentage of PaymentsForRepurchaseOfCommonStock4.70.01.5

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-312011-12-31
Value64.7964.7964.7964.7924.9323.7724.1422.3920.91
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value988812311813112893
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-312008-12-31
Value20202013119.02.5941.82.02.08.031210101010101010104.12811
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value17242841169.05.43.63.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized

moh:AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized


Amount
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value6358444746372636393424252429192426361717142312178.7641.172.8264.2491.794
Percentage of AmountOfCurrentYearQualityIncentivePremiumRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear

moh:AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear


Amount
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value197.0123.05.010.020-1.09.012111.03.01.05.0-7.00.049-0.053.8496.7120.0860.2460.8760.9940.0140.0462.1641.655
Percentage of AmountOfQualityIncentivePremiumRevenueRecognizedFromPriorYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:BusinessCombinationGoodwillDeductibleForIncomeTaxPurposesPercentage

moh:BusinessCombinationGoodwillDeductibleForIncomeTaxPurposesPercentage


Business
Period End2020-12-31
Value27.0
Percentage of BusinessCombinationGoodwillDeductibleForIncomeTaxPurposesPercentage100.0

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAmountsDueGovernmentAgencies us-gaap:BusinessAcquisition

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAmountsDueGovernmentAgencies

moh:MagellanCompleteCare


Business
Period End2021-06-302021-03-31
Value-6.033
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAmountsDueGovernmentAgencies100.0100.0

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentMedicalClaimsAndBenefitsPayable us-gaap:BusinessAcquisition

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentMedicalClaimsAndBenefitsPayable

moh:MagellanCompleteCare


Business
Period End2021-06-302021-03-31
Value1.025
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentMedicalClaimsAndBenefitsPayable100.0100.0

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables us-gaap:BusinessAcquisition

moh:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables

moh:MagellanCompleteCare


Business
Period End2021-06-302021-03-31
Value1000000.06000000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentReceivables100.0100.0

moh:CashPaidForSettlementOfConversionOption

moh:CashPaidForSettlementOfConversionOption


Cash
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
Value0.00.00.0270.01053581151463431340.00.00.0
Percentage of CashPaidForSettlementOfConversionOption0.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0

moh:ChangeInAcquiredBalances

moh:ChangeInAcquiredBalances


Change
Period End2021-06-302021-03-31
Value-1000000.0-25000000.0
Percentage of ChangeInAcquiredBalances100.0100.0

moh:ChangeInAcquiredBalances us-gaap:StatementBusinessSegments

moh:Medicaid


Change
Period End2021-06-302021-03-31
Value-27000000.08000000.0
Percentage of ChangeInAcquiredBalances2700.0-32.0

moh:Medicare


Change
Period End2021-06-302021-03-31
Value26000000.0-33000000.0
Percentage of ChangeInAcquiredBalances-2600.0132.0

moh:CommonStockWithheldToSettleEmployeeTaxObligations

moh:CommonStockWithheldToSettleEmployeeTaxObligations


Common
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.0511.07.0
Percentage of CommonStockWithheldToSettleEmployeeTaxObligations100.0100.0100.0100.0

moh:FairValueOfContingentConsiderationLiabilitiesAssumedInNoncashInvestingOrFinancingActivities

moh:FairValueOfContingentConsiderationLiabilitiesAssumedInNoncashInvestingOrFinancingActivities


Fair
Period End2020-12-31
Value0.0
Percentage of FairValueOfContingentConsiderationLiabilitiesAssumedInNoncashInvestingOrFinancingActivities0.0

moh:HealthCareOrganizationInsurerFeeExpense

moh:HealthCareOrganizationInsurerFeeExpense


Health
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value687071680.00.00.00.0878799750.00.00.00.05455505839354040222221220.00.00.00.0
Percentage of HealthCareOrganizationInsurerFeeExpense100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

moh:HealthCareOrganizationInsurerFeeRevenue

moh:HealthCareOrganizationInsurerFeeRevenue


Health
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value6971660.00.00.00.08183104610.00.00.00.09485769061817347512919180.00.00.00.0
Percentage of HealthCareOrganizationInsurerFeeRevenue100.0100.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

moh:HealthCareOrganizationPremiumTaxRevenue

moh:HealthCareOrganizationPremiumTaxRevenue


Health
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value185187170157150122119110138971101061041071061141111231271091091079994959181705144434637
Percentage of HealthCareOrganizationPremiumTaxRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency

moh:IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value360432470-225.08811352-372.052-35.0-63.0-716.033172219-520.0269373-30.0-6.0328181
Percentage of IncreaseDecreaseInMedicalPremiumLiabilityDueToAgency100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:MaximumAvailableQualityIncentivePremiumCurrentYear

moh:MaximumAvailableQualityIncentivePremiumCurrentYear


Maximum
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value6965614847464547484740373639383333412020202121219.3992.1523.5464.4274.22
Percentage of MaximumAvailableQualityIncentivePremiumCurrentYear100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider

moh:MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider


Medical
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-37.0-12.05684-24.0-10.0-107.0127-167.0171-47.04.01145-278.0286-18.0-96.0-12.0460.024
Percentage of MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

moh:MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider us-gaap:StatementBusinessSegments

moh:Medicaid


Medical
Period End2021-06-302021-03-312020-06-302020-03-31
Value-37.0-11.0-24.0-10.0
Percentage of MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider100.091.7100.0100.0

moh:Medicare


Medical
Period End2021-06-302021-03-31
Value0.0-1.0
Percentage of MedicalClaimsAndBenefitsPayableAdjustmentsChangeInProvider-0.08.3

moh:PercentageOfAdditionalIncrementalRevenueEarned us-gaap:Range, us-gaap:StatementGeographical

moh:PercentageOfAdditionalIncrementalRevenueEarned

srt:Maximum, moh:CaliforniaIllinoisNewMexicoOhioSouthCarolinaTexasWashingtonandWisconsin


Percentage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-4.0400.040000.0400
Percentage of PercentageOfAdditionalIncrementalRevenueEarned100.00.0100.00.00.00.0100.00.00.0

srt:Minimum, moh:CaliforniaIllinoisNewMexicoOhioSouthCarolinaTexasWashingtonandWisconsin


Percentage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.0100.010000.0100
Percentage of PercentageOfAdditionalIncrementalRevenueEarned25.00.025.00.00.00.025.00.00.0

moh:PremiumTaxExpenses

moh:PremiumTaxExpenses


Premium
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
Value1851871721701571501221191101389711010610410710611411112312710910910799949591817051444346373837394343363736353534
Percentage of PremiumTaxExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:QualityIncentivePremiumRevenueAsAPercentageOfTotalRevenue

moh:QualityIncentivePremiumRevenueAsAPercentageOfTotalRevenue


Quality
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.70.0150.01300.0120.0120.012-0.0010.0110.010.00800.0060.0060.005-0.0020.0060.0210.0060.0010.0050.0070.003
Percentage of QualityIncentivePremiumRevenueAsAPercentageOfTotalRevenue100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:QualityIncentivePremiumRevenueRecognized

moh:QualityIncentivePremiumRevenueRecognized


Quality
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value8265565051474635484635262730241726851721212312189.7581.1842.8726.4133.449
Percentage of QualityIncentivePremiumRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue

moh:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.03.07.0552.02.01.0482.01.04.0371.00.01817
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

moh:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue us-gaap:AwardType

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.03.03.0361.02.00.0302.01.02.0231.00.02.0171.01.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue100.0100.042.965.550.0100.00.062.5100.0100.050.062.2100.00.011.1100.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.00.04.0191.00.01.0180.00.02.0140.00.0160.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodFairValue0.00.057.134.550.00.0100.037.50.00.050.037.80.00.088.90.0

moh:UnrecognizedCompensationForfeitedRate

moh:UnrecognizedCompensationForfeitedRate


Unrecognized
Period End2020-12-31
Value0.7
Percentage of UnrecognizedCompensationForfeitedRate100.0

moh:WeightedAverageNumberofSharesShareBasedCompensation

moh:WeightedAverageNumberofSharesShareBasedCompensation


Weighted
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value100000.0100000.0000000000100000.00
Percentage of WeightedAverageNumberofSharesShareBasedCompensation100.0100.00.00.00.00.00.00.00.00.00.0100.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

moh:CignaCorporationsTexasMedicaidAndMedicareMedicaidPlan


Business
Period End2021-04-22
Value60
Percentage of BusinessCombinationConsiderationTransferred1100.0

moh:MagellanCompleteCare


Business
Period End2020-12-31
Value1037
Percentage of BusinessCombinationConsiderationTransferred10.0

moh:PassportHealthPlanInc


Business
Period End2020-09-30
Value60
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

moh:CignaCorporationsTexasMedicaidAndMedicareMedicaidPlan, us-gaap:SubsequentEvent


Business
Period End2021-04-22
Value60
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.00.01.05.02.011
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.00.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value313324232120212122252325252628333739373634322825252425242220201817161616161512131212121111
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeGainLossOnDerivativeNet

moh:CallOptionDerivativeAsset


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.00.0-2.08.0-42.011155256186726397-15.0259-86.0-47.088-151.03.0-115.764339-323.959144106-27.1635310-5.312-15.4659-1.9460.00.0
Percentage of DerivativeGainLossOnDerivativeNet0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EmbeddedDerivativeFinancialInstruments


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.00.00.02.0-8.042-11.0-155.0-256.0-186.0-72.0-63.0-97.015-259.08647-88.0151-3.0115-339.927323-144.789-106.31727-53.535-10.2645.31715-59.7082.0220.00.0
Percentage of DerivativeGainLossOnDerivativeNet0.00.00.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.1-100.0-99.9-103.90.00.0

us-gaap:FairValueOfAssetsAcquired

us-gaap:FairValueOfAssetsAcquired


Fair
Period End2020-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value12340.00.00.00.00.055-3.0134320680.00.082447.50.00.0-0.0441210.00.00.0-30.9420.030-81.00.01.946-17.879
Percentage of FairValueOfAssetsAcquired100.00.00.00.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings


Gain
Period End2021-06-302021-03-31
Value-11000000.08000000.0
Percentage of GainLossOnFairValueHedgesRecognizedInEarnings100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-31.01623-196.04.0247-35.098-31.0-30.0-353.04930319-102.0108-68.050-5.0-146.0-58.020550-124.193-31.639189-303.29413675102403714-31.847321312-35.1492.5328.96117-25.79625-12.827
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


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
Value-52.066-48.0-150.012460-19.07.0-46.043-67.0-9.049786.08.0-89.059-58.04214-24.0-52.21828-0.441.849169.047114.642-38.25-9.9880.5528.42440-2.141-16.074-3.663-5.898-11.386-2.141-5.4315-1.583
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-29.0-304.03147.011-206.042177-177.0-4.034-13.0-172.0130-187.0185
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.0-6.0169.08.0-14.0-3.012-4.0-15.0-26.0260.06.02627365.0-2.019-9.0-30.0-5.07219-6.308-1.097-8.35312-2.3620.67-7.39516220.01611-1.7879.527-8.906-5.767-10.9084.458-1.619
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities


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
Value104168113325-21.0127-121.0208-228.034-82.0123-104.0-163.0-286.0401151-3.05886-173.025512267442477619910414937167-25.658-3.385-41.9331069534119-9.769-2.9741.0163.063
Percentage of IncreaseDecreaseInHealthCareInsuranceLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPremiumsReceivable us-gaap:UnusualOrInfrequentItem

us-gaap:IncreaseDecreaseInPremiumsReceivable

moh:COVID19


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-56000000.0-110000000.0-401000000.0-88000000.0-75000000.0
Percentage of IncreaseDecreaseInPremiumsReceivable100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


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
Value-9.015-82.0-59.0-72.0229-34.0242.0-20.0-123.0-64.0-58.02393.0152612-47.0-27.0-59.0202-28.312-33.715-40.251137-32.065-15.305-11.13678-4.4884.696138.956-1.6160.2225.0655.287-5.127-0.961-5.2898.0694.3271.359
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInReceivables


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
Value9498-269.0195-23.019712641-120.0292319223283-131.0-4.00.032-79.012149266-79.429-11.239139-105.026170-47.831135394.96880630.569-7.227-4.098-61.24754-12.1417.36523-19.388-57.35763
Percentage of IncreaseDecreaseInReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value700000.0900000.0100000.0900000.0800000.0700000.00600000.0600000.0600000.00400000.0200000.0300000.0000001000000.0583000.0353000.0319000.0468000.057000.0365000.0361000.0597000.0111000.0453000.0378000.0462000.0619000.0334000.00857000.028000.0462000.0574000.0669000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value222015141829294034293237322422181614139.08.08.06.3254.8323.8283.0152.4782.0411.9451.6292.0061.741.6281.5291.1921.1711.1081.7171.7350.7641.4461.5941.3791.761.599
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAssumed1

us-gaap:LiabilitiesAssumed1


Liabilities
Period End2020-12-312017-12-312016-12-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value5410.00.041-59.947590.00.00.0-23.5270.0230.00.0-1.4314
Percentage of LiabilitiesAssumed1100.00.00.0100.0100.0100.00.00.00.0100.00.0100.00.00.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1


Liability
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
Value5510351343713812341422743558341133882197380536183750249841864061420026833768365136442241307629222800164722221950
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1 us-gaap:StatementBusinessSegments

moh:Marketplace


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value556313248164
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear110.18.97.37.2

moh:Medicaid


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value4253279027071786
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear177.279.479.378.5

moh:Medicare


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value701410459324
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear112.711.713.414.2

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1


Liability
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
Value1681781-20.04118113051.03113913114.0542141438734412213356.038124111617521137266.23215
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1 us-gaap:StatementBusinessSegments

moh:Marketplace


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value151131186
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears18.96.36.16.6

moh:Medicaid


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value12713641471014
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears175.676.681.277.7

moh:Medicare


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value2630423205
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears115.517.112.715.7

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1


Liability
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
Value5819547444084098359837163545352334663371377537903850372242514220449141113844374835943588321330152929263523222097
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1 us-gaap:StatementBusinessSegments

moh:Marketplace


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value623516271278
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims110.79.47.57.5

moh:Medicaid


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value4483423628222921
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims177.077.478.478.6

moh:Medicare


Liability
Period End2021-06-302021-03-312020-06-302020-03-31
Value713722505517
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims112.313.214.013.9

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.0-11.00.05.047-19.0-1.00.08.05.02.01.02.0-7.0-4.00.00.01.0-5.0-1.02.06.0-3.3181.129-2.1271.316-0.402-0.6570.4220.7040.3251.294-2.5080.26-0.1270.4550.3240.2960.357-0.1650.712-0.117-0.085-0.068-0.355
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.0100.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value-11.047-19.08.05.01.01.0-7.01.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.050.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1.0-15.01.06.062-25.0-1.00.010.07.02.01.01.0-7.0-7.01.00.01.0-7.0-3.04.09.0-5.5311.792-3.3772.116-0.756-1.0610.3911.4260.5392.087-4.0450.30.1290.7330.5230.10.2670.2
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value1.0-4.01.01.015-6.00.00.02.02.00.00.0-1.00.0-3.01.00.00.0-2.0-2.02.03.0-2.2130.663-1.250.8-0.287-0.404-0.0310.7220.5850.793-1.5370.1590.2780.199
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.020223.02.04.01.00.02.03.0
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-2.01210.03.02.0-3.00.0-8.00.03.0-2.02.02.02.08.06.04.03.02.03.05.06.05.7884.5715.0773.5642.3472.1523.271-1.5483.323
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities


Payment
Period End2021-06-302021-03-31
Value0.020
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities0.0100.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5678529443513853359535793559344235273508380936723964393642594105432240183774368937683357309429752914237422291965
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense us-gaap:StatementBusinessSegments

moh:Marketplace


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value571426259250
Percentage of PaymentsForLossesAndLossAdjustmentExpense10.18.07.27.0

moh:Medicaid


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value4380415428542800
Percentage of PaymentsForLossesAndLossAdjustmentExpense77.178.579.478.2

moh:Medicare


Payments
Period End2021-06-302021-03-312020-06-302020-03-31
Value727714482529
Percentage of PaymentsForLossesAndLossAdjustmentExpense12.813.513.414.8

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4.0-9.01.00.00.0-3.00.00.0-2.04.0-5.0144.05.07.08.07.06.07.06.07.0-1.01.477169.6377.2167.787.8326.8410.547-4.029
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfWarrants

us-gaap:PaymentsForRepurchaseOfWarrants


Payments
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
Value0.00.00.0300.0903211031303061130.00.00.0
Percentage of PaymentsForRepurchaseOfWarrants0.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

moh:PassportHealthPlanInc


Payments
Period End2020-09-30
Value20
Percentage of PaymentsToAcquireBusinessesGross100.0

moh:YourCareHealthPlanInc


Payments
Period End2020-07-01
Value42
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312011-09-302010-12-312010-09-30
Value6930.00.00.00.00.0406.02.0372690.08.00636-42.84912383.837570.00.00.0810.03.512-7.169
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.00.00.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition

moh:AffinityHealthPlan


Payments
Period End2020-09-30
Value380
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

moh:MagellanCompleteCare


Payments
Period End2020-12-312020-04-30
Value1037820
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired149.60.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value6183880.00.09257859877697718524228852538982226090373348547036361161131855443833724822614214295456767190568887747810414070
Percentage of PaymentsToAcquireMarketableSecurities100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromConvertibleDebt


Proceeds
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
Value0.00.00.0270.01053581151463431340.00.00.0
Percentage of ProceedsFromConvertibleDebt0.00.00.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


Proceeds
Period End2020-12-312020-09-30
Value6400.0
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt100.00.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.0380-220.00.0120100
Percentage of ProceedsFromLinesOfCredit0.00.00.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-8.07.0-2.00.0-3.05.0-3.0261.0118.0-1.00.03.0-1.0-1.0-2.00.00.0-1.02.02.3510.229-1.6094.0290.6562.164-0.027-0.021.3110.3630.00.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3143082061412574934121099425366375735792543233664441433454700464348263321285255158147179147171787375847671657610460613867
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:RepaymentsOfConvertibleDebt


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.00.00.0120.05513946126
Percentage of RepaymentsOfConvertibleDebt0.00.00.0100.00.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302013-02-15
Value0.00.00.00.00.00.00.040
Percentage of RepaymentsOfLinesOfCredit0.00.00.00.00.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-31
Value-1.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-31
Value-0.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue27.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-312013-12-31
Value1.90
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-31
Value0.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue27.4

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.01.01.0201.00.02.0181.00.02.0152.01.028161.00.6202.73.13.113
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1.01.01.0191.00.02.0161.00.02.0122.01.010.010.00.01.03.1131.10.70.8220.70.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.095.0100.00.0100.088.9100.00.0100.080.0100.0100.035.762.50.00.0100.0100.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
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
Value0.00.00.01.00.00.00.02.00.00.00.00.00.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue0.00.00.05.00.00.00.011.10.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-31
Value1.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:StockIssued1

us-gaap:StockIssued1


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.00.01.07.00.00.00.07.00.00.01.05.01.00.0156.00.01.00.07.05.9880.0910.1478.7740.4050.1420.2368.217
Percentage of StockIssued10.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-03-312018-06-302018-03-31
Value0.0040.090.0981.00.02.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value21-27.015264.010.0183.07.0151.05.024
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value21-27.015264.010.0183.07.0151.05.024
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-03-312021-01-312020-12-312020-03-312019-12-31
Value1000000.0577000.029000.03000000.055000.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-03-312020-03-31
Value122446
Percentage of StockRepurchasedDuringPeriodValue100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-03-31
Value2.09.0
Percentage of StockRepurchasedDuringPeriodValue1.62.0

us-gaap:CommonStock


Stock
Period End2021-02-282021-03-312020-12-312020-03-312019-12-31
Value1226.06.04467.0
Percentage of StockRepurchasedDuringPeriodValue4.90.00.0100.00.0

us-gaap:RetainedEarnings


Stock
Period End2021-03-312020-03-31
Value120437
Percentage of StockRepurchasedDuringPeriodValue98.498.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:CommonStock, us-gaap:SubsequentEvent


Stock
Period End2021-02-112020-02-07
Value122203
Percentage of StockRepurchasedDuringPeriodValue0.00.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense


Supplemental
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
Value5818566844614106355538173563354435093560388937953831396342244180438042533846374936163755321130202931277123272101
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

moh:Marketplace


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value622536268283
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense10.79.57.57.4

moh:Medicaid


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value4475439427862991
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense76.977.578.478.4

moh:Medicare


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value721738501543
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense12.413.014.114.2

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense


Supplemental
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
Value1.0-194.0-53.0-124.0159-101.0-18.0-21.0-43.0-189.0-114.0-5.019-241.02740111-142.0-2.0-1.0-22.0-167.01.948-4.817-2.298-135.833-4.946-3.902
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

moh:Marketplace


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.0-20.03.0-5.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.010.31.95.0

moh:Medicaid


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value8.0-158.036-70.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense800.081.422.669.3

moh:Medicare


Supplemental
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.0-16.04.0-26.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense-800.08.22.525.7

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:StatementEquityComponents

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:CommonStock


Treasury
Period End2021-02-282020-12-312020-03-312019-12-31
Value211.65208.37132.45135.3
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-02-112020-02-07
Value211.65132.69
Percentage of TreasuryStockAcquiredAverageCostPerShare0.00.0

us-gaap:WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation

us-gaap:WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value100000.0400000.0200000.0300000.001700000.00070000.000867000.0-2000.008000.0183000.0320000.0-235000.069000.0125000.0
Percentage of WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation100.0100.0100.0100.00.0100.00.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-07-232021-02-122020-10-23
Value585859
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0

moh:AdvancesToRelatedPartiesAndOtherAssets us-gaap:ConsolidatedEntities

moh:AdvancesToRelatedPartiesAndOtherAssets

srt:ParentCompany


Advances
Period End2020-12-312019-12-312018-12-312017-12-31
Value83764032
Percentage of AdvancesToRelatedPartiesAndOtherAssets100.0100.0100.0100.0

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value679500306206457380305209432
Percentage of AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayableReceivablePriorYears

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayableReceivablePriorYears


Affordable
Period End2020-09-302020-06-302020-03-31
Value24265289
Percentage of AffordableCareActPremiumStabilizationProgramRiskAdjustmentNetPayableReceivablePriorYears100.0100.0100.0

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentPayable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentPayable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value719520326265-529.0-456.0-368.0-285.0-625.0-568.0-466.0
Percentage of AffordableCareActPremiumStabilizationProgramRiskAdjustmentPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivable

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivable


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4020205972766376715134
Percentage of AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear

moh:AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear


Affordable
Period End2021-06-302021-03-312020-09-30
Value414211230
Percentage of AffordableCareActPremiumStabilizationProgramRiskAdjustmentReceivablePayableCurrentYear100.0100.0100.0

moh:AmountsDueToGovernmentAgenciesBusinessCombination

moh:AmountsDueToGovernmentAgenciesBusinessCombination


Amounts
Period End2020-12-31
Value143
Percentage of AmountsDueToGovernmentAgenciesBusinessCombination100.0

moh:AmountsDueToGovernmentAgenciesMarketplaceMedicalLossRatioThreshold

moh:AmountsDueToGovernmentAgenciesMarketplaceMedicalLossRatioThreshold


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value524737334115
Percentage of AmountsDueToGovernmentAgenciesMarketplaceMedicalLossRatioThreshold100.0100.0100.0100.0100.0100.0

moh:AmountsDueToGovernmentAgenciesMedicaidOther

moh:AmountsDueToGovernmentAgenciesMedicaidOther


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value208167768310595
Percentage of AmountsDueToGovernmentAgenciesMedicaidOther100.0100.0100.0100.0100.0100.0

moh:AmountsDueToGovernmentAgenciesMedicareMedicalLossRatioAndProfitSharingThreshold

moh:AmountsDueToGovernmentAgenciesMedicareMedicalLossRatioAndProfitSharingThreshold


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value13610562351636
Percentage of AmountsDueToGovernmentAgenciesMedicareMedicalLossRatioAndProfitSharingThreshold100.0100.0100.0100.0100.0100.0

moh:AmountsDueToGovernmentAgenciesRiskAdjustmentAndPartDRiskSharing

moh:AmountsDueToGovernmentAgenciesRiskAdjustmentAndPartDRiskSharing


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value887545383814
Percentage of AmountsDueToGovernmentAgenciesRiskAdjustmentAndPartDRiskSharing100.0100.0100.0100.0100.0100.0

moh:AmountsDuetoGovernmentAgenciesOther

moh:AmountsDuetoGovernmentAgenciesOther


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value6227212027171138163173176134144
Percentage of AmountsDuetoGovernmentAgenciesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:AmountsDuetoGovernmentAgenciesRiskAdjustment

moh:AmountsDuetoGovernmentAgenciesRiskAdjustment


Amounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value719520326265529456368285625568466917
Percentage of AmountsDuetoGovernmentAgenciesRiskAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms us-gaap:BusinessAcquisition

moh:BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms

moh:PassportHealthPlanInc


Business
Period End2020-12-312020-09-01
Value337000.0325000.0
Percentage of BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms100.0100.0

moh:YourCareHealthPlanInc


Business
Period End2020-07-01
Value47000.0
Percentage of BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms0.0

moh:BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms us-gaap:StatementBusinessSegments

moh:HealthPlans


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value4700000.04600000.0200000.04000000.0
Percentage of BusinessCombinationNumberOfMembersEligibleForTheHealthCarePrograms0.00.059.30.0

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities us-gaap:BusinessAcquisition

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities

moh:HealthPlansSegment


Business
Period End2020-12-31
Value84
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities100.0

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAmountsDueGovernmentAgencies us-gaap:BusinessAcquisition

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAmountsDueGovernmentAgencies

moh:HealthPlansSegment


Business
Period End2020-12-31
Value143
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAmountsDueGovernmentAgencies100.0

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesMedicalClaimsAndBenefitsPayable us-gaap:BusinessAcquisition

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesMedicalClaimsAndBenefitsPayable

moh:HealthPlansSegment


Business
Period End2020-12-31
Value294
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesMedicalClaimsAndBenefitsPayable100.0

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedInvestment us-gaap:BusinessAcquisition

moh:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedInvestment

moh:HealthPlansSegment


Business
Period End2020-12-31
Value49
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedInvestment100.0

moh:CapitationClaimsPayable

moh:CapitationClaimsPayable


Capitation
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
Value8993707374625557635952484962675745363727371381403030472831292049
Percentage of CapitationClaimsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:DeferredTaxLiabilitiesFixedAssetsAndIntangibles

moh:DeferredTaxLiabilitiesFixedAssetsAndIntangibles


Deferred
Period End2020-12-31
Value7000000.0
Percentage of DeferredTaxLiabilitiesFixedAssetsAndIntangibles100.0

moh:HealthCareInsuranceFeeLiability

moh:HealthCareInsuranceFeeLiability


Health
Period End2020-12-312020-09-302020-06-302020-01-01
Value277277277271
Percentage of HealthCareInsuranceFeeLiability100.0100.0100.0100.0

moh:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredbutNotPaidIBNPFeeforserviceClaimsAmount

moh:LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredbutNotPaidIBNPFeeforserviceClaimsAmount


Liabilityfor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value2120200816471615143214441406142413461411156217171352
Percentage of LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseIncurredbutNotPaidIBNPFeeforserviceClaimsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

moh:LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount

moh:A4.875SeniorNotes, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value3303303303303303303303303303303303303303300.0
Percentage of LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

moh:A4375SeniorNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value8008008008008000.0
Percentage of LongTermDebtNoncurrentNetOfUnamortizedDebtDiscount0.00.00.0242.4242.40.0

moh:MedicalClaimsAndBenefitsPayable

moh:MedicalClaimsAndBenefitsPayable


Medical
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
Value18522223516886116132239112278107158158146122403111131225167
Percentage of MedicalClaimsAndBenefitsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:MedicalPremiumLiabilityDueToAgency

moh:MedicalPremiumLiabilityDueToAgency


Medical
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
Value20721718125364086577766461298493296710301746171415421324184415751202
Percentage of MedicalPremiumLiabilityDueToAgency100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:MedicalPremiumsLiabilityMedicalCareCostsThreshold

moh:MedicalPremiumsLiabilityMedicalCareCostsThreshold


Medical
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value774735513136857474103
Percentage of MedicalPremiumsLiabilityMedicalCareCostsThreshold100.0100.0100.0100.0100.0100.0100.0100.0

moh:NumberOfMembersCovered dei:LegalEntity, us-gaap:StatementGeographical

moh:NumberOfMembersCovered

moh:CignaCorporationsTexasMedicaidAndMedicareMedicaidPlan, moh:HidalgoServiceArea


Number
Period End2020-12-31
Value2000.0
Percentage of NumberOfMembersCovered100.0

moh:CignaCorporationsTexasMedicaidAndMedicareMedicaidPlan, moh:HidalgoTarrantAndNortheastServiceAreas


Number
Period End2020-12-31
Value48000.0
Percentage of NumberOfMembersCovered2400.0

moh:NumberOfMembersEligibleForTheHealthCarePrograms us-gaap:StatementBusinessSegments

moh:NumberOfMembersEligibleForTheHealthCarePrograms

moh:HealthPlans


Number
Period End2020-12-312019-09-30
Value4000000.03300000.0
Percentage of NumberOfMembersEligibleForTheHealthCarePrograms100.0100.0

moh:NumberOfMembersEligibleForTheHealthCarePrograms us-gaap:StatementScenario, us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

srt:ScenarioForecast, moh:YourCareHealthPlanInc., us-gaap:SubsequentEvent


Number
Period End2020-12-31
Value46000.0
Percentage of NumberOfMembersEligibleForTheHealthCarePrograms1.1

moh:OperatingLeaseRightOfUseAssetExcludingLeasesAcquired

moh:OperatingLeaseRightOfUseAssetExcludingLeasesAcquired


Operating
Period End2020-12-312019-12-31
Value5865
Percentage of OperatingLeaseRightOfUseAssetExcludingLeasesAcquired100.0100.0

moh:OtherClaimsPayable

moh:OtherClaimsPayable


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value51252152845332232526736624141123226424524829661543333242839733429926625124122623023314218028
Percentage of OtherClaimsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:OtherMedicareProgram

moh:OtherMedicareProgram


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value334230302421
Percentage of OtherMedicareProgram100.0100.0100.0100.0100.0100.0

moh:PharmacyClaimsPayable

moh:PharmacyClaimsPayable


Pharmacy
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
Value221217157148132150126128117114115121116127112125121133112114103111889380847162544538
Percentage of PharmacyClaimsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

moh:ShortdurationInsuranceContractsLiabilityforUnpaidClaimsandClaimAdjustmentExpenseOutstandingLiabilitiesRelatingtoPriorYears

moh:ShortdurationInsuranceContractsLiabilityforUnpaidClaimsandClaimAdjustmentExpenseOutstandingLiabilitiesRelatingtoPriorYears


Shortduration
Period End2020-12-31
Value16
Percentage of ShortdurationInsuranceContractsLiabilityforUnpaidClaimsandClaimAdjustmentExpenseOutstandingLiabilitiesRelatingtoPriorYears100.0

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries


Amount
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value196018112262204120081777169116961526152714921406129912211229107210059288597176635926086016075720.00055519528519492397
Percentage of AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries us-gaap:ConsolidatedEntities

moh:MagellanCompleteCare


Amount
Period End2020-12-31
Value420
Percentage of AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries21.4

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312012-09-302011-12-31
Value22411938187517691906201019751778223920242157265529133215370353
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value363650504710.07.07.08.01.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

moh:MunicipalSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.01.02.02.02.00.00.00.01.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.82.84.04.04.30.00.00.012.50.00.0

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.02.02.03.03.00.01.01.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax5.65.64.06.06.40.014.314.30.00.00.0

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.06.010.010.09.06.01.01.01.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax19.416.720.020.019.160.014.314.312.50.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value26273635334.05.05.06.01.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax72.275.072.070.070.240.071.471.475.0100.00.0

us-gaap:MortgageBackedSecurities


Available
Period End2020-12-312019-12-31
Value10.01.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax20.014.3

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.02.01.02.05.0302.01.02.05.011
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.01.01.01.03.08.01.00.00.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.050.0100.050.060.026.750.00.00.00.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.01.02.0211.01.01.03.08.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax50.050.040.070.050.0100.050.060.072.7

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2206190418261721186420301941175120641512169218242270253627002115251820591761173019612068180814641471120610258507517077157497353553570.370949359375355319
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

moh:MunicipalSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value711301661741387868108113115121138142
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.77.19.69.36.84.03.95.27.56.86.66.15.3

us-gaap:AssetBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value15066133136144126109161758393100117
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis7.93.67.77.37.16.56.27.85.04.95.14.44.3

us-gaap:CertificatesOfDeposit


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.07.07.01.03.06.01414151937
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.30.40.30.10.20.30.90.80.80.81.4

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value42438340843345342030224823
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis22.321.023.723.222.321.617.212.01.5

us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value116212201007110812771174112512929491131119713901591
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis61.066.858.559.462.960.564.262.662.866.865.661.258.9

us-gaap:MortgageBackedSecurities


Available
Period End2020-12-312019-12-31
Value383420
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis21.021.6

us-gaap:USTreasuryNotesSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value97272.04.05.0864087168181222331389
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.11.50.10.20.24.42.34.211.110.712.214.614.4

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value264167132160
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value267169137165
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1200948892943
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1225974926975
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value430361328425
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value435366337434
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value312428474193
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value314429475195
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value2241193818751769
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1938187517691906201019461757207015081681
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, moh:MunicipalSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value721321681761387868114
Percentage of AvailableForSaleSecuritiesDebtSecurities3.77.09.59.26.94.03.96.8

us-gaap:FairValueInputsLevel2, us-gaap:AssetBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value1526813613914312711082
Percentage of AvailableForSaleSecuritiesDebtSecurities7.83.67.77.37.16.56.34.9

us-gaap:FairValueInputsLevel2, us-gaap:CertificatesOfDeposit


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value5.07.07.01.03.014
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.40.30.10.20.8

us-gaap:FairValueInputsLevel2, us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value429392417439451420303
Percentage of AvailableForSaleSecuritiesDebtSecurities22.120.923.623.022.421.617.2

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value11881256104111391260117811291123
Percentage of AvailableForSaleSecuritiesDebtSecurities61.367.058.859.862.760.564.366.8

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryNotesSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value97272.04.05.08640181
Percentage of AvailableForSaleSecuritiesDebtSecurities5.01.40.10.20.24.42.310.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

moh:MunicipalSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value721321681761387868109112114
Percentage of AvailableForSaleSecuritiesDebtSecurities3.77.09.59.26.94.03.95.37.46.8

us-gaap:AssetBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value152681361391431271101617582
Percentage of AvailableForSaleSecuritiesDebtSecurities7.83.67.77.37.16.56.37.85.04.9

us-gaap:CertificatesOfDeposit


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5.07.07.01.03.06.01414
Percentage of AvailableForSaleSecuritiesDebtSecurities0.30.40.30.10.20.30.90.8

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value42939241743945142030324923
Percentage of AvailableForSaleSecuritiesDebtSecurities22.120.923.623.022.421.617.212.01.5

us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value118812561041113912601178112912979471123
Percentage of AvailableForSaleSecuritiesDebtSecurities61.367.058.859.862.760.564.362.762.866.8

us-gaap:MortgageBackedSecurities


Available
Period End2020-12-312019-12-31
Value392420
Percentage of AvailableForSaleSecuritiesDebtSecurities20.921.6

us-gaap:USTreasuryNotesSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value97272.04.05.0864087168181
Percentage of AvailableForSaleSecuritiesDebtSecurities5.01.40.10.20.24.42.34.211.110.8

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh


Business
Period End2021-03-31
Value23
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

moh:PassportHealthPlanInc


Business
Period End2021-06-30
Value23
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh0.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2021-06-302021-03-312020-12-312020-09-30
Value26314640
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

moh:MagellanCompleteCare


Business
Period End2020-12-31
Value29
Percentage of BusinessCombinationContingentConsiderationLiability63.0

moh:PassportHealthPlanInc


Business
Period End2020-09-30
Value40
Percentage of BusinessCombinationContingentConsiderationLiability100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:FairValueByFairValueHierarchyLevel

moh:PassportHealthPlanInc, us-gaap:FairValueInputsLevel3


Business
Period End2021-06-30
Value26
Percentage of BusinessCombinationContingentConsiderationLiability100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:FairValueByMeasurementFrequency

moh:PassportHealthPlanInc, us-gaap:FairValueMeasurementsRecurring


Business
Period End2020-09-01
Value40
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Business
Period End2021-03-312020-12-312020-09-30
Value314640
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:Range

srt:Maximum


Business
Period End2020-09-30
Value75
Percentage of BusinessCombinationContingentConsiderationLiability187.5

srt:Minimum


Business
Period End2020-09-30
Value25
Percentage of BusinessCombinationContingentConsiderationLiability62.5

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput us-gaap:MeasurementInputType

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput

moh:MeasurementInputExpectedAssetVolatility


Business
Period End2020-09-30
Value35.0
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput100.0

moh:MeasurementInputExpectedRevenueVolatility


Business
Period End2020-09-30
Value9.0
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput25.7

moh:MeasurementInputMeasurementPeriod


Business
Period End2020-09-30
Value5.0
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput14.3

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

moh:HealthPlansSegment


Business
Period End2020-12-31
Value310
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities

moh:HealthPlansSegment


Business
Period End2020-12-31
Value312
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

moh:HealthPlansSegment


Business
Period End2020-12-31
Value16
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

moh:HealthPlansSegment


Business
Period End2020-12-31
Value166
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

moh:HealthPlansSegment


Business
Period End2020-12-31
Value20
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

moh:HealthPlansSegment


Business
Period End2020-12-31
Value191
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles


Business
Period End2020-12-312020-09-30
Value23547
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:FiniteLivedIntangibleAssetsByMajorClass

moh:ProviderNetwork


Business
Period End2020-12-312020-09-30
Value278.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles11.517.0

us-gaap:ContractualRights


Business
Period End2020-12-312020-09-30
Value19324
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles82.151.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

moh:HealthPlansSegment


Business
Period End2020-12-31
Value14
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

moh:HealthPlansSegment


Business
Period End2020-12-31
Value3000000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

moh:HealthPlansSegment


Business
Period End2020-12-31
Value1008
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value385351320308259195148104866248
Percentage of CapitalizedComputerSoftwareAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsAndShortTermInvestments

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312018-06-302017-12-31
Value644997170350696
Percentage of CashCashEquivalentsAndShortTermInvestments100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2150126212621317133612821344204115521552155215531553725718711704707610604598591585579175173172170169164
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

moh:A4375SeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value800
Percentage of DebtInstrumentCarryingAmount37.2

moh:ThreePointEightSevenFivePercentSeniorNotes, us-gaap:SeniorNotes


Debt
Period End2020-12-31
Value650
Percentage of DebtInstrumentCarryingAmount30.2

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss


Debt
Period End2021-06-302020-12-31
Value22061826
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss us-gaap:FinancialInstrument

moh:MunicipalSecurities


Debt
Period End2021-06-302020-12-31
Value7466
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss3.43.6

moh:OtherSecurities


Debt
Period End2021-06-30
Value23
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss1.0

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302020-12-31
Value174130
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss7.97.1

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302020-12-31
Value542383
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss24.621.0

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value13671220
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss62.066.8

us-gaap:USTreasuryNotesSecurities


Debt
Period End2021-06-302020-12-31
Value2627
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss1.21.5

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


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
Value1542767713911611063651510.0207509
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1541017710453211143
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.036.6100.074.845.719.139.2

us-gaap:CorporateDebtSecurities


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1757735638052221510.0207509
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months63.4100.025.254.372.860.8100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


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
Value1.02.01.02.05.0302.01.00.01.03.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.01.01.01.03.08.01.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.050.0100.050.060.026.750.0

us-gaap:CorporateDebtSecurities


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.01.01.02.0211.01.00.01.03.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss50.0100.050.040.070.050.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest


Debt
Period End2021-06-302020-12-31
Value22411875
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, moh:MunicipalSecurities


Debt
Period End2021-06-302020-12-31
Value7568
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest3.33.6

us-gaap:FairValueInputsLevel2, moh:OtherSecurities


Debt
Period End2021-06-30
Value23
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.0

us-gaap:FairValueInputsLevel2, us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302020-12-31
Value176132
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest7.97.0

us-gaap:FairValueInputsLevel2, us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302020-12-31
Value548392
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest24.520.9

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value13931256
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest62.267.0

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryNotesSecurities


Debt
Period End2021-06-302020-12-31
Value2627
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.21.4

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest us-gaap:FinancialInstrument

moh:MunicipalSecurities


Debt
Period End2021-06-302020-12-31
Value7568
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest3.33.6

moh:OtherSecurities


Debt
Period End2021-06-30
Value23
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.0

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302020-12-31
Value176132
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest7.97.0

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302020-12-31
Value548392
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest24.520.9

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302020-12-31
Value13931256
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest62.267.0

us-gaap:USTreasuryNotesSecurities


Debt
Period End2021-06-302020-12-31
Value2627
Percentage of DebtSecuritiesAvailableForSaleExcludingAccruedInterest1.21.4

us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss

us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss


Debt
Period End2021-06-30
Value145
Percentage of DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss100.0

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible


Decrease
Period End2020-12-31
Value10000000.0
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsNet

moh:A4.875SeniorNotes, us-gaap:SeniorNotes


Deferred
Period End2020-11-17
Value10.0
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value65666974657179827076117143114114103623610.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.010.03917
Percentage of DeferredIncomeTaxAssetsNet7.212.733.316.5

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value299.06.01513611078
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value11131627137.00.0270.0270.0270.0270.027
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4000000.003000000.03000000.0-244000.0-928000.0-426000.021000.0-69000.0
Percentage of DeferredTaxAssetsOther100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7.01112157.08.08.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


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
Value151112165.05.03.82.542.5182.0512.126
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


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
Value5235321522371319151412
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value8.05.03030383534
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve


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
Value18119.01927212110154.1393.517
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value10000000.06000000.06000000.06000000.09000000.09000000.06000000.0
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities


Deferred
Period End2020-12-312019-12-31
Value121.0
Percentage of DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities100.0100.0

us-gaap:DepositLiabilitiesAccruedInterest us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DepositLiabilitiesAccruedInterest

moh:A4.875SeniorNotes, us-gaap:SeniorNotes


Deposit
Period End2020-12-31
Value8000000.0
Percentage of DepositLiabilitiesAccruedInterest100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-06-302013-03-312012-03-31
Value7685894955627135414653190.70.822
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:RestrictedStock


Employee
Period End2020-12-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value42243337202835291921
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.00.00.05028.63650.00.00.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-31
Value23
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2020-09-30
Value0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions0.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-30
Value237239241239
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2020-12-312019-12-31
Value128.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value223223225226229229231233232234197
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Finance
Period End2020-12-312019-12-31
Value225231
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value383
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value266
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value26
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value23
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value22
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value22
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value24
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value146
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value216228
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-31
Value6.5
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1831701741521861781591391189882
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

moh:ContractRightsandLicensingAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value168156162141148120
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization91.891.893.192.879.667.4

moh:ProviderNetworks


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value151412111411
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization8.28.26.97.27.56.2

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-312013-12-31
Value4620
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-312013-12-31
Value4312
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-312013-12-31
Value4412
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-312013-12-31
Value4412
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-312013-12-31
Value4414
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value432199221221326300248237196200187
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

moh:ContractRightsandLicensingAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value370179201201267224
Percentage of FiniteLivedIntangibleAssetsGross85.689.991.091.081.974.7

moh:ProviderNetworks


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value472020203427
Percentage of FiniteLivedIntangibleAssetsGross10.910.19.09.010.49.0

us-gaap:TradeNames


Finite
Period End2020-12-31
Value15
Percentage of FiniteLivedIntangibleAssetsGross3.5

us-gaap:GoodwillGross us-gaap:StatementBusinessSegments

us-gaap:GoodwillGross

moh:HealthPlans


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value994445445445445349
Percentage of GoodwillGross100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss us-gaap:StatementBusinessSegments

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss

moh:HealthPlans


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value30230230230258585858
Percentage of GoodwillImpairedAccumulatedImpairmentLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


Held
Period End2021-03-312020-09-30
Value13893
Percentage of HeldToMaturitySecurities100.0100.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount


Held
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.0162.02.0
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount


Held
Period End2021-06-302021-03-312020-12-312020-09-30
Value13712213491
Percentage of HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount100.0100.0100.0100.0

us-gaap:InterestReceivable

us-gaap:InterestReceivable


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value10.09.010.01112
Percentage of InterestReceivable100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value29
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:LiabilitiesFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value263146402921169516476843657522
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312013-03-31
Value263146402921169516476843657522222
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2942283926962289196019811854197517671995196120421920202321922478207719261929187117661940168515591492144812001123924819669632465491494536525455402361341354
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:BusinessAcquisition

moh:CompleteCare


Liability
Period End2020-12-31
Value294
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense10.9

moh:MagellanCompleteCare


Liability
Period End2020-12-31
Value294
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense10.9

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

moh:Marketplace


Liability
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value317265175162150122
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense10.89.36.58.37.66.6

moh:Medicaid


Liability
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value224722082129152015761465
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense76.477.879.077.679.679.0

moh:Medicare


Liability
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value378366392278255267
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense12.812.914.514.212.914.4

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount


Liability
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value163113911552160915101586171716811478142513521333129213921191118411381089870796697424377
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortDurationInsuranceContractAccidentYear2019


Liability
Period End2020-12-312019-12-31
Value15931348
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount97.796.9

us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Liability
Period End2020-12-312019-12-312018-12-312017-12-31
Value1118571665
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount0.71.33.797.0

us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Liability
Period End2020-12-312019-12-312018-12-31
Value27251477
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount1.71.895.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value1450330330330330491100210021002100210028518518518518515505505505505505914142
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:DebtInstrument, us-gaap:LongtermDebtType

moh:A4375SeniorNotes, us-gaap:SeniorNotes


Long
Period End2020-12-31
Value800
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive55.2

moh:ThreePointEightSevenFivePercentSeniorNotes, us-gaap:SeniorNotes


Long
Period End2020-12-31
Value650
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive44.8

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value7001618737.02523140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01881881.155
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument, us-gaap:LongtermDebtType

moh:SeniorNotesDue2022, us-gaap:SeniorNotes


Long
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7000.00.00.00.00.00.00.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.00.00.00.00.00.00.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value5.2
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:ForeignCountry


Operating
Period End2020-12-31
Value5.0
Percentage of OperatingLossCarryforwards100.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312014-12-312013-12-312012-12-312011-12-31
Value18984577357
Percentage of OperatingLossCarryforwards3780.00.00.00.00.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts us-gaap:ProductOrService, us-gaap:StatementGeographical

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

moh:Medicaid, country:PR


Premiums
Period End2020-09-30
Value10000000.0
Percentage of PremiumsReceivableAllowanceForDoubtfulAccounts100.0

us-gaap:PrepaidReinsurancePremiums

us-gaap:PrepaidReinsurancePremiums


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value9.017162030
Percentage of PrepaidReinsurancePremiums100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value383378391395399385
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization us-gaap:ConsolidatedEntities

srt:ParentCompany


Property
Period End2020-12-312019-12-31
Value339327
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization86.784.9

us-gaap:PropertyPlantAndEquipmentOwnedAccumulatedDepreciation

us-gaap:PropertyPlantAndEquipmentOwnedAccumulatedDepreciation


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1921792132332061671291038465
Percentage of PropertyPlantAndEquipmentOwnedAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments

us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments


Reinsurance
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value172131161665676172469.0
Percentage of ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RelatedPartyTransactionDueFromToRelatedPartyCurrent us-gaap:ConsolidatedEntities

us-gaap:RelatedPartyTransactionDueFromToRelatedPartyCurrent

srt:ParentCompany


Related
Period End2020-12-312019-12-312018-12-312017-12-31
Value1144990148
Percentage of RelatedPartyTransactionDueFromToRelatedPartyCurrent100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value68666970635856557474100949895919295
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedInvestmentsNoncurrent

us-gaap:RestrictedInvestmentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value145138136938782797998100120118117120119117118115110116107116109101110101102938482636556554444434146505042
Percentage of RestrictedInvestmentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedInvestmentsNoncurrent us-gaap:StatementBusinessSegments

moh:CompleteCare


Restricted
Period End2020-12-31
Value49
Percentage of RestrictedInvestmentsNoncurrent36.0

us-gaap:RestrictedInvestmentsNoncurrent us-gaap:StatementGeographical

moh:OtherGeographicalAreas


Restricted
Period End2020-12-312019-12-312018-12-31
Value242323
Percentage of RestrictedInvestmentsNoncurrent17.629.119.2

stpr:FL


Restricted
Period End2020-12-312019-12-312018-12-312014-12-312013-12-312012-12-31
Value121232289.2425.738
Percentage of RestrictedInvestmentsNoncurrent8.815.226.728.014.613.0

stpr:NM


Restricted
Period End2020-12-312019-12-312018-12-312014-12-312013-12-312012-12-31
Value212143352415
Percentage of RestrictedInvestmentsNoncurrent15.426.635.834.339.036.1

stpr:NY


Restricted
Period End2020-12-312019-12-31
Value149.0
Percentage of RestrictedInvestmentsNoncurrent10.311.4

stpr:OH


Restricted
Period End2020-12-312019-12-312018-12-312014-12-312013-12-312012-12-31
Value161212129.089.082
Percentage of RestrictedInvestmentsNoncurrent11.815.210.012.414.420.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302019-12-312014-12-312013-12-312012-12-312011-12-31
Value118.07116.99102.4133.5529.0323.7418.97
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302019-12-31
Value111.04110.67101.45
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue94.094.699.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value64.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-312019-12-31
Value6029
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-31
Value64.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value60
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4314944460454624201433444
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet100.0100.0100.0100.0100.0

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortDurationInsuranceContractAccidentYear2019


Shortduration
Period End2020-12-312019-12-31
Value1387112554
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet32.128.2

us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Shortduration
Period End2020-12-312019-12-312018-12-312017-12-31
Value15222166861675215130
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet35.337.536.836.0

us-gaap:ShortDurationInsuranceContractsAccidentYear2018


Shortduration
Period End2020-12-312019-12-312018-12-31
Value140561522013671
Percentage of ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet32.634.230.1

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet


Shortduration
Period End2020-12-31
Value45255
Percentage of ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet100.0

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems


Shortduration
Period End2020-12-31
Value280
Percentage of ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems100.0

us-gaap:SpecialAssessmentBond

us-gaap:SpecialAssessmentBond


Special
Period End2020-12-31
Value35
Percentage of SpecialAssessmentBond100.0

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance


Statutory
Period End2020-12-31
Value2020
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance100.0

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance us-gaap:ConsolidatedEntities

moh:MagellanCompleteCare


Statutory
Period End2020-12-312019-12-31
Value420230
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance20.80.0

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired


Statutory
Period End2020-12-31
Value1310
Percentage of StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority

us-gaap:TaxCreditCarryforwardAmount

us-gaap:ForeignCountry


Tax
Period End2020-12-312019-12-312015-12-31
Value5.05.01.0
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Tax
Period End2020-12-312019-12-312017-12-312015-12-31
Value3.08.01411
Percentage of TaxCreditCarryforwardAmount60.0160.00.01100.0

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:TaxCreditCarryforwardValuationAllowance


Tax
Period End2020-12-31
Value17
Percentage of TaxCreditCarryforwardValuationAllowance100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:UnamortizedDebtIssuanceExpense

moh:A4.875SeniorNotes, us-gaap:SeniorNotes


Unamortized
Period End2020-12-31
Value3000000.0
Percentage of UnamortizedDebtIssuanceExpense100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value181818129.07.01.61.61.81.85.78.67.47.27.27.4
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Gross Profitus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Revenues
us-gaap:StatementBusinessSegments
(None,)
Revenuesus-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)
Assetsus-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:ReceivablesNetCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
(None,)
Receivables Net Currentus-gaap: Accounts Notes Loans And Financing Receivable By Receivable Type
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:StatementBusinessSegments
(None,)
Intangible Assets Net Excluding Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components