UNH


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:MajorCustomers
us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:PremiumsEarnedNet
us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:CostOfGoodsAndServicesSold

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:InterestExpense
us-gaap:ConsolidationItems

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:InterestExpense
us-gaap:ConsolidationItems

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ProfitLoss

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:LongTermInvestments

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:RepaymentsOfLongTermDebt

us-gaap:ShareBasedCompensation

unh:SalesRevenueProductsNet
us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

unh:SalesRevenuesServicesNet
us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationAndAmortization

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInCustomerDeposits

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:InvestmentIncomeInterestAndDividend
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:MinorityInterestChangeInRedemptionValue
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:MinorityInterestPeriodIncreaseDecrease
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromRepaymentsOfCommercialPaper

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

unh:AarpAssetsUnderManagement
us-gaap:FairValueByFairValueHierarchyLevel

unh:InvestmentsAmortizedCost

unh:InvestmentsGrossUnrealizedGains

unh:InvestmentsGrossUnrealizedLosses

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

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

us-gaap:AvailableForSaleSecuritiesEquitySecurities
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument
us-gaap:CommercialPaper

us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredRevenueCurrent

us-gaap:EquityMethodInvestments

us-gaap:EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument

us-gaap:InvestmentsFairValueDisclosure

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount

us-gaap:LineOfCredit
us-gaap:CreditFacility, unh:CreditFacilityName
us-gaap:CreditFacility, unh:CreditFacilityName
us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
us-gaap:CreditFacility, unh:CreditFacilityName
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LongTermDebtFairValue
us-gaap:ConsolidatedEntities
us-gaap:OtherLongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:OtherLongTermDebtCurrent

us-gaap:OtherReceivablesNetCurrent

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:DebtInstrument
us-gaap:UnsecuredDebtCurrent
us-gaap:DebtInstrument
us-gaap:UnsecuredLongTermDebt

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ▄▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄████1099910101010101010101010101010101010101010101010101010101010101011111111NANANA11NANANA
us-gaap:CommonStockSharesIssued ▁▁▁▁▁▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▃▃▄▄▄▅▄▅▅▆▆▇██94794894794895396096296296296996996596595295295195495395395295295496297398498899810061013101910121024103310391054106910771086NANANA1147NANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▁▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▃▃▄▄▄▅▄▅▅▆▆▇██94794894794895396096296296296996996596595295295195495395395295295496297398498899810061013101910121024103310391054106910771086NANANA1147NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁▁▁▁▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▃▄▃▄▄▄▅▅▆▆▆▇██947948947948953960962962962969969965965952952951954953953952952954962973984988998100610131019101210241033103910541069107710861099111511331147NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 962NA963964975NA983982987NA989985975NA969967967NA967966969NA982991996NA102410261029NA103910491060NA108310941099NA112411351156NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 949NA949950958NA962961966NA968964954NA952951953NA953952954NA969979983NA100410091016NA102210281039NA106510751086NA111511271145NANANANA
us-gaap:EarningsPerShareBasic ███▇█▇▇▆▆█▅▅▅▃▄▄▃▂▃▃▃▃▃▃▂▃▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁3.563.73000000000000043.733.473.623.163.313.042.943.72999999999999952.572.372.281.77000000000000052.071.841.691.27999999999999941.681.661.481.57000000000000031.651.441.121.431.561.421.171.221.521.31.341.191.191.181.240.951.151.01.040.820.90.730.82
us-gaap:EarningsPerShareDiluted ███▇█▇▇▆▆█▅▅▅▃▄▄▃▂▃▃▃▃▃▃▂▃▃▃▂▂▃▂▂▂▂▂▂▁▂▂▂▁▁▁▁3.523.67999999999999973.673.423.563.09999999999999963.242.982.873.6600000000000012.512.322.231.74000000000000022.031.811.671.25999999999999981.651.641.461.54999999999999981.631.421.11.411.531.41.161.21.51.271.311.171.171.161.220.941.140.991.030.810.890.730.81
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Revenues █▇▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁644216090160351605956030858417565565608655188520615032250053487234753546293464854452743599414893626335756334333275932574317083111730624304083034028769273022726527282259162528025234254322403023668232642319321784216952165522004
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:ExternalCustomers,unh:Optumrx█▇▇███▇▇▆▇▆▆▆▇▆▆▆█▆▁▁▁▁▁▁▁▁▁866177757704847081908660746671206804725067626524624570366790674864868517658312241228112210751045994846821752NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:ExternalCustomers,unh:Unitedhealthcare█▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▃▂▂▂▂▂▂▂▁▁▁▁50871480144783148218486424603945695456384527641419405814062439975377593704437408357593269132688329023250830302299042986029098286352825428142NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Intersegment,unh:Optumrx█▇▆▆▅▆▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▁128761130710734104399613103789960980792959758918693128698881884458324778581397824768870677385693669556464602254744895NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Optumhealth█▇▇▆▅▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁9192832381337148671363936052594157595463525251224733451343324065399836683532343832893017284925862580250824942411NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Optumrx█▇▇▇▆▇▆▆▆▆▆▅▅▅▅▅▅▆▅▂▂▂▂▂▂▂▁▁21557190941845418923178171905217437169411610617015159531584014947158571523715073142731665714407891382958507801180007458686862955647NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Unitedhealthcare█▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▃▂▂▂▂▂▂▂▁▁▁▁51068482474810548594488964623445937458464545941599407344078840136379483717737556359003283032817330733262330434300393007129254287862838428305NANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers unh:ExternalCustomers█▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▄▄▃▂▂▁▁▁▁64056604685988560013599035807656174557315489051763500754979748501472744610246292443444341941319360493561033267325873232431517NA304613021330137NA2715727087NANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments unh:ExternalCustomers,unh:TotalOptum██▇▇▇▇▆▆▆▆▆▅▅▆▅▅▅▆▅▁▁▁▁▁▁13185124541205411795112611203710479100939614103449494917385269515905888848585107288631314731022965268324642419NA21822044NANA17641719NANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments unh:Intersegment,unh:TotalOptum█▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁194861714416517160281494815379147721448613872139301329713406126501258012003116941105711130106301039896829877926692118716NA73726763NANA54365552NANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:StatementBusinessSegments unh:TotalOptum█▇▇▇▆▆▆▆▅▆▅▅▅▅▅▄▄▅▄▂▂▂▂▂▂▂▁▁▁3283929798287632802926360275622539124726236012439222885226712123722167211192062319684218991930213588128151287611986117141117010437987391248411NA722673017331NA722270166810NA5906NANANANANANA
us-gaap:PremiumsEarnedNet █▇▇▇▇▆▆▆▆▅▅▅▄▄▃▄▃▂▂▂▂▁▁▁▁50640476254739747164475134493244613444584408440378395523958538938367523614236413348113172731801319613167429375289722884028115NA273562722027274NA246402460924631NA228062281323003NA214672112521128NANANANA
 us-gaap:PremiumsEarnedNet us-gaap:ConsolidationItems,us-gaap:MajorCustomers,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:ExternalCustomers,unh:Unitedhealthcare█▇▇▇▇▇▆▆▆▅▅▅▅▄▄▄▃▂▂▂▂▂▂▂▁▁▁▁48593456954555746030465014392143628434964323739414385763866638053358143513735541339633094230978311863090528634282872821327511270422669826603NANANANANANANANANANANANANANANANANA
 us-gaap:PremiumsEarnedNet us-gaap:MajorCustomers unh:ExternalCustomers█▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▃▂▂▂▂▂▂▁▁▁▁▁▁5064047625473974716447513449324461344458440844037839552395853893836752361423641334811317273180131961316742937528972288402811527707273562722027274NANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold █▃▄█▇█▄▃▂▃▂▁768765116627759873817625671864716184647960685889NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:SellingGeneralAndAdministrativeExpense █▇▆▆▆▆▆▆▆▅▄▄▄▅▄▃▃▂▃▂▂▂▁▁▁10015930189608415851787038479838685067820738773287022781770336793675862106301585259495845543652065194NA486948254614NA427740804096NA389937333617NA354833593276NANANANA
us-gaap:InterestExpense ███▇▇▆▆▆▅▅▄▅▄▄▄▄▄▄▃▁▁▁▁▁▁437437449418400374353344329308294301283268269271259260229151150151152155160NA178176178NA158153148NA129119118NA119119125NANANANA
 us-gaap:InterestExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegment███▇▇▆▆▆▅▅▄▅▄▄▄▄▄▄▃▁437437449418400374353344329308294301283268269271259260229151NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses █▇▇▇▇▇▇▇▇▆▆▆▅▅▅▅▅▅▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁594255580655337558515547653920519665188251135480844623446322453104434842713432824156741131384713336833116306682985630022296542866527993280072820126668246922503924965238422321023135232112222821523213632117720209200192021520336
us-gaap:SellingGeneralAndAdministrativeExpense █▇▆▆▆▆▆▆▆▅▄▄▄▅▄▃▃▂▃▂▂▂▁▁▁10015930189608415851787038479838685067820738773287022781770336793675862106301585259495845543652065194NA486948254614NA427740804096NA389937333617NA354833593276NANANANA
us-gaap:OperatingIncomeLoss ███▇▇▇▇▆▆▆▆▅▅▄▅▄▄▃▄▄▃▄▄▃▂▃▃▃▂▂▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁499650955014474448324497459042044053397740883731341331873580320329602468301828952640276529032552205424522631240121392101261022262317207420702099222118022145190120161575167614401668
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Optumhealth▆█▆▆▅▆▅▅▄▄▄▃▂▃▃▂▂▃▃▁▁▂▂▁▁▁▂▁712901748688626750622570488556513422332420404304300390363253234341314224211242271216NANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Optuminsight▄█▅▄▃█▄▄▃▆▃▃▂▅▃▂▂▄▂▂▁▃▁▁▁▁▁▁536905632525432861534453395690414372294563371333246496289271222367225213197181212230NANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Optumrx▆█▆▆▅▇▆▅▅▆▅▅▄▅▅▄▄▄▃▂▂▂▂▂▂▂▁▁86012149798898201089875824770969770726653806692624560633490340286331326291242254198146NANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,unh:Unitedhealthcare█▅▇▇█▄▇▆▆▄▆▅▅▃▅▄▄▁▄▅▄▄▅▄▃▄▄▄288820752655264229541797255923572400176223912211213413982113194218549491876203118981726203818241404177519501809NANANANANANANANANANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:StatementBusinessSegments unh:TotalOptum▅█▆▅▅▇▅▅▄▆▄▄▃▄▃▃▂▄▂▂▁▂▂▁▁21083020235921021878270020311847165322151697152012791789146712611106151911428647421039865728650NA628536495NA408320252NA320340322NA310NANANANANANA
us-gaap:InterestExpense ███▇▇▆▆▆▅▅▄▅▄▄▄▄▄▄▃▁▁▁▁▁▁437437449418400374353344329308294301283268269271259260229151150151152155160NA178176178NA158153148NA129119118NA119119125NANANANA
 us-gaap:InterestExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegment███▇▇▆▆▆▅▅▄▅▄▄▄▄▄▄▃▁437437449418400374353344329308294301283268269271259260229151NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▆▆▆▆▆▆▆▅▁▇▇▆▇█▇▇▆▇▇▇▇▇▆▅1094990936941875959953850800-5212331080939121113331172107495611711159107711041149989795NA883789721NA895736781NA670713757NA749659700NANANANA
us-gaap:ProfitLoss ▇██▇█▇▇▆▆█▅▄▄▃▃▃▂▁▂▂▂▂▂▂▁▂▂▂▁34653668362933853557316432843010292437212561235021911708197817601627125216181585141315101602140810991427157014361240NA155713371388NANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▃█▆██▇▆▄▅▇▆▄▅▃▄▅▄▂▁▃▁▂▂▃▃1600367231023778386932662882179325283303272321402406130618682355214112315571563520110290816911434NA15185131142NA166313481385NA133613921301NA141512241190NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▆█▆▆▆█▆▆▆▇▅▅▂▂▂▁▂▃▂▁▁▁▁▁▁8312791929012496888810476661924106163421000000NA0048NA000NANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▃█▆██▇▆▄▅▇▆▄▅▃▄▅▄▃▁▃▁▂▂▃▃1683379931933870395933902978188126163407279922062425133018782361215712655781563520110290816911434NA15185131190NA166313481385NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▇██▇█▇▇▆▆█▅▅▄▃▄▃▃▂▃▃▂▃▃▂▂▂▃▂▂▂▃▂▂▂▂▂▂▁▂▂▂▁▁▁▁338235413538329334673040318829222836361724852284217216841968175416111218159715851413151016021408109914271570143611921244155713371388125812711267134610431277112311919441035859984
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▇██▇█▆▇▆▆█▅▄▄▂▃▃▂▁▂▂▂▂▂33823541353832933467304031882922283636172485228421721684196817541611121815971585141315101602NA1099NANANA1192NANANA1388NANANA1346NANANA1191NANANANA
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▆█▆▆▆█▆▆▆▇▅▅▂▂▂▁▂▃▂▁▁▁▁▁▁8312791929012496888810476661924106163421000000NA0048NA000NANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets █▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁18906717388917370916720016119715222115108715461115556913905814043213809713715712281012364211960311785511138310827291423897198638285426854668462281882818638020183126808857170073465726906788970910661156533563063NANANA59045NANANA
us-gaap:Liabilities █▇▇▇▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁12746311172711396210914410469295994967221019891036438703690952911049149582621841518157280964759227357956788563895254051436512285080548558487174805149181475864147744090438343959743038387523876437238NANANA35439NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁18906717388917370916720016119715222115108715461115556913905814043213809713715712281012364211960311785511138310827291423897198638285426854668462281882818638020183126808857170073465726906788970910661156533563063NANANA59045NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent █▅▅▅▅▅▅▆▆▄▅▅▅▄▄▄▄▃▃▃▂▂▂▂▂▁▁▁▂▁▁▂▂▁▂▁▁▁5880742634435414203842815386923875446634483533708440921412394098933879357683329833745316392993527566267742355622963228512236420380211942061822717210522033122727226902035024508204291981818393NANANA18200NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue █▃▄▄▄▃▃▇▆▄▆▅▅▃▄▂▃▃▂▂▂▂▁▁▂▁▂▂▃▂▂▃▃▂▄▃▃▂▂▃▃▃215691098512363137451240710866102631836818243119811626914582161421043012796821710596109237983788786507495723364127514727682867654100388406891611578116619429136799775979091239577998399209800NANANA
us-gaap:ShortTermInvestments ▅▆▇▇▆▇▇▇█▇▇▇▆▅▅▄▃▂▂▂▁▁▂▁▁▂▃▃▅▅▅▅▄▄▄▄▃▂28763260345535243303345835863492379835093525338832102845287127572418198819421915178017411979187718691937243324433019303130382852266525772698253223602072NANANA1239NANANA
us-gaap:AccountsReceivableNetCurrent █▆▆▅▇▆▆▆▆▅▅▆▅▄▄▅▄▃▄▃▃▂▂▃▂▂▁▂▂▁▁▁▁▁▁▁▁▁14613118221096497411282611388109921087411512956886381053895958152734793467777652367526034504042523826538342023052285336743185270924032648268822942234285124952061NANANA1954NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▅▄▅▅▄▅▅▆▃▃▃▃▃▃▄▄▂▃▃▃▂▂▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁6608385135563651369730863707428651002663258125222547184823002768321115461973219326321052136118512056930790848866781678673698615666647641541NANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:PropertyPlantAndEquipmentNet ▇███▇█▇▇▇▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁81738704850186818230845880427906814470136562632463295901552451894976486145324473424544184309426740654010382937853945393926192589256025152388NANA1027NANANA946NANANA
us-gaap:LongTermInvestments ████▇▇▆▆▆▅▅▅▄▄▄▃▃▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▁▁▁▁▁3657837209368403569633553325103192931237294412834127703263972576023868233242221120895187921853518996194161882719346192741937719605187831797617998177111722716698164921616615398149351493214707NANANA13311NANANA
us-gaap:Goodwill ███▇▇▇▇▆▇▆▆▆▆▅▅▅▅▅▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁6530265659652056200059379589105870356271568505455653402524985237647584471834688146294444534368034154327823294032357324623215031604317513142731810312862633926191257542397523723234232339322745NANANA20727NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ████▇▇▇▆▇▆▆▆▆▆▆▇▆▆▆▁▂▂▂▂▂▂▂▂▂▃▁▁▁▁▁▁▁▁10199103491052199999245932594988680903384898457833886188541871988788861839184053316344136693579379138673844401940794309468230493141310327952855287828932910NANANA2381NANANA
us-gaap:OtherAssetsNoncurrent █▇▇▇▆▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁100089334910187867975432641613883374835753387330130853037312431463084324731852918306129722872282127992439228723162347221521352119209120882038214821102108NANANA2286NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent █▆▆▆▅▅▅▆▇▄▅▅▅▄▄▄▄▃▃▃▂▂▂▂▂▂▂▁▁▁▁▂▁▁▂▁▁▁7860661782626416232858933532095637762052676675046358088571215754349252510964737646285428983995335741349783062331130307763071627881278672640527183271162485327623274622392228618243742452723700NANANA22163NANANA
us-gaap:DebtCurrent █▂▃▄▂▁▁▂▄▂▂▃1582838706387780039191973150029597379285745395739NA7193NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent █▆▆▆▆▅▆▆▆▅▅▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁22845190051857017128169001670518991175271821015180158781451413473133611299414366137401199411300109011051892478394962591607458714570466559698465796460619768536643637363826488NANANA6283NANANA
us-gaap:OtherLiabilitiesCurrent ▇▇▇▇▇▄▆██▄▅▅▄▁1465214595142451447414445122441364814999148061228613073130431219810339NANANA7798NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtNoncurrent ▇██▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▅▃▃▃▂▂▂▂▂▃▃▂▂▂▂▁▁▁▁▁357793680838507344733441934581320533209628206288352472326197261542577726022268342721825460260151537815577160071459214630145241489114888155431565914041111461115611083106569555944293598662NANANA9009NANANA
us-gaap:MinorityInterest █████▇▇▇▇▆▆▆▆▁▁▁▁▁▁2886282027602751272726232586249024832057201221752092-97-98-99-102-1058NANA0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ███▇▇▅▅▅▄▄▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁10048101449912943585545730585857465557555629092421238523072032199818871481152913011295135713261332126215251622157615711535NANANA1223NANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██▇▇▇▇▆▆▅▅▅▄▄▃▂▂▂▁▁▁▁▁▁5986360436577565585454451543195259650783500364983347310453364399538177375543628735067337253312233020318783245432604NANA32149NANANA31178NANANANANANANANANANANANANANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:RetainedEarnings██▇▇▆▆▆▆▅▅▄▄▃▃▃▂▂▂▂▁▁▁▁6232761178586965636755472558465438652363504944873045840440814252140945399453857937963371253638235262341533383633578NANA33047NANANA30664NANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ▄▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄████1099910101010101010101010101010101010101010101010101010101010101011111111NANANA11NANANA
us-gaap:AdditionalPaidInCapital ▁█07NANANA000017031801166118190000296955NA0NANANA000066NANANA0NANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▆▆▆▅▅▅▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁6232761178586965636755472558465438652363504944873045840440814252140945399453857937963371253638235262341533383633578332153311233047325933190631359306642963828896283882782127464270202635325562NANANA23342NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▃▃▃▃▂▂▃▄▄▅▄▄▄▅▅▄▃▃▅▅▆▆▇▇▆▇▇██████-5360-3578-3709-3273-3758-4160-4386-4080-2951-2667-2353-2591-2447-2681-2303-2203-2804-3334-3347-2307-2285-1392-984-290-573-908-587-535388438575469458461NANANANANANANANANANANA
us-gaap:MinorityInterest █████▇▇▇▇▆▆▆▆▁▁▁▁▁▁2886282027602751272726232586249024832057201221752092-97-98-99-102-1058NANA0NANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▇▅▆▅▄▃▅█▁▇▄▇▂▇▄▄▅▄▃▄▄▅29436205315058743234239694140078369-2577754621716456-1409720316832318351127971163226924293200NA1408NANANA1053NANANA3586NANANA1224NANANA1205NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▆▆██▆▇▆▇▇█▇█▇▇▆█▁████-1533-1388-4433-5462-1416-1140-4547-2181-4517-2704-2239-1367-2289-614-2328-2232-4181-975-14570-1325-1525-676-980NA-603NANANA-904NANANA-2398NANANA-1337NANANA-583NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▇▁▃▄▃▃▂▃▄▄▂▂▄▃▃▃▄▄█▃▄▃▃9303-6212-56915-272-672-4480-163524221016-3645-23371525-351-301-1861150240911951-617496-1483-1388NA-573NANANA1503NANANA1044NANANA780NANANA-502NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▇▅▆▅▄▃▅█▁▇▄▇▂▇▄▄▅▄▃▄▄▅29436205315058743234239694140078369-2577754621716456-1409720316832318351127971163226924293200NA1408NANANA1053NANANA3586NANANA1224NANANA1205NANANANA
us-gaap:NetIncomeLoss ▇██▇█▇▇▆▆█▅▅▄▃▄▃▃▂▃▃▂▃▃▂▂▂▃▂▂▂▃▂▂▂▂▂▂▁▂▂▂▁▁▁▁338235413538329334673040318829222836361724852284217216841968175416111218159715851413151016021408109914271570143611921244155713371388125812711267134610431277112311919441035859984
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▇██▇█▆▇▆▆█▅▄▄▂▃▃▂▁▂▂▂▂▂33823541353832933467304031882922283636172485228421721684196817541611121815971585141315101602NA1099NANANA1192NANANA1388NANANA1346NANANA1191NANANANA
us-gaap:ProfitLoss ▇██▇█▇▇▆▆█▅▄▄▃▃▃▂▁▂▂▂▂▂▂▁▂▂▂▁34653668362933853557316432843010292437212561235021911708197817601627125216181585141315101602140810991427157014361240NA155713371388NANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▆▆██▆▇▆▇▇█▇█▇▇▆█▁████-1533-1388-4433-5462-1416-1140-4547-2181-4517-2704-2239-1367-2289-614-2328-2232-4181-975-14570-1325-1525-676-980NA-603NANANA-904NANANA-2398NANANA-1337NANANA-583NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄█▃▃▆▆▆▄▄█▄▃▅▄▂▂▃▄▁▁▂▂▂469650444415562558545483477632466418507485407388425484356343373404405NA353NANANA323NANANA269NANANA213NANANANANANANANA
us-gaap:PaymentsToAcquireInvestments ▅▆█▅▄▂▃▅▅▅▄▃▄▇▃▄▇▃▂▂▁▁▂38664745573741093540269431344291389139623682326136835316325638025173322724262395189121052346NA2914NANANA2824NANANA2326NANANA2716NANANA2073NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▇▁▃▄▃▃▂▃▄▄▂▂▄▃▃▃▄▄█▃▄▃▃9303-6212-56915-272-672-4480-163524221016-3645-23371525-351-301-1861150240911951-617496-1483-1388NA-573NANANA1503NANANA1044NANANA780NANANA-502NANANANA
us-gaap:RepaymentsOfLongTermDebt ▁▃▁▁▇▁█▁▆█▄▄▇▃▃▆▄▄▁▁▃▁▄05000012500150001100153175072513924955001000601625004160640NA172NANANA1077NANANA0NANANA955NANANA833NANANANA
us-gaap:PaymentsOfDividendsCommonStock ████▆▆▆▆▅▅▅▅▄▃▃▃▂▂▂▂▁▁▁1024102410241024860866866866722727726724596595595594477476477476357358362NA276NANANA216NANANA168NANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▅▂▂▄█▃▂▂▇▂▁▂▂▁▁▂▂▁▁▁▃▃▃169139960014993002850500500265032712836368216313748050070177578969841087NA911NANANA543NANANA991NANANA620NANANA626NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RepaymentsOfLongTermDebt ▁▃▁▁▇▁█▁▆█▄▄▇▃▃▆▄▄▁▁▃▁▄05000012500150001100153175072513924955001000601625004160640NA172NANANA1077NANANA0NANANA955NANANA833NANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value109991010101010101010101010101010101010101010101010101010101010101111111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value947948947948953960962962962969969965965952952951954953953952952954962973984988998100610131019101210241033103910541069107710861147
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value947948947948953960962962962969969965965952952951954953953952952954962973984988998100610131019101210241033103910541069107710861147
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value94794894794895396096296296296996996596595295295195495395395295295496297398498899810061013101910121024103310391054106910771086109911151133114712011253
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value962963964975983982987989985975969967967967966969982991996102410261029103910491060108310941099112411351156
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value949949950958962961966968964954952951953953952954969979983100410091016102210281039106510751086111511271145
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value3.563.73000000000000043.733.473.623.163.313.042.943.72999999999999952.572.372.281.77000000000000052.071.841.691.27999999999999941.681.661.481.57000000000000031.651.441.121.431.561.421.171.221.521.31.341.191.191.181.240.951.151.01.040.820.90.730.82
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value3.523.67999999999999973.673.423.563.09999999999999963.242.982.873.6600000000000012.512.322.231.74000000000000022.031.811.671.25999999999999981.651.641.461.54999999999999981.631.421.11.411.531.41.161.21.51.271.311.171.171.161.220.941.140.991.030.810.890.730.81
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value644216090160351605956030858417565565608655188520615032250053487234753546293464854452743599414893626335756334333275932574317083111730624304083034028769273022726527282259162528025234254322403023668232642319321784216952165522004
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 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

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-19486-17144-16517-16028-14948-15379-14772-14486-13872-13930-13297-13406-12650-12580-12003-11694-11057-11130-10630-10398
Percentage of Revenues-30.2-28.2-27.4-26.5-24.8-26.3-26.1-25.8-25.1-26.8-26.4-26.8-26.0-26.5-25.9-25.2-24.8-25.5-25.6-28.7
Percentage of Revenues-30.2-28.2-27.4-26.5-24.8-26.3-26.1-25.8-25.1-26.8-26.4-26.8-26.0-26.5-25.9-25.2-24.8-25.5-25.6-28.7
Percentage of Revenues us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-404-480-441-381-359-383-352-341-333-333-324-284-286-282-275-277-254-238-222-172-159-135-124-115-115-117-118-115
Percentage of Revenues-0.6-0.8-0.7-0.6-0.6-0.7-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4
Percentage of Revenues-0.6-0.8-0.7-0.6-0.6-0.7-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:MajorCustomers

us-gaap:CorporateNonSegment, unh:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-19486-17144-16517-16028-14948-15379-14772-14486-13872-13930-13297-13406-12650-12580-12003-11694-11057-11130-10630-10398
Percentage of Revenues-30.2-28.2-27.4-26.5-24.8-26.3-26.1-25.8-25.1-26.8-26.4-26.8-26.0-26.5-25.9-25.2-24.8-25.5-25.6-28.7
Percentage of Revenues-30.2-28.2-27.4-26.5-24.8-26.3-26.1-25.8-25.1-26.8-26.4-26.8-26.0-26.5-25.9-25.2-24.8-25.5-25.6-28.7
Percentage of Revenues us-gaap:CorporateNonSegment unh:Intersegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination, unh:Intersegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-404-480-441-381-359-383-352-341-333-333-324-284-286-282-275-277-254-238-222-172-159-135-124-115-115-117-118-115
Percentage of Revenues-0.6-0.8-0.7-0.6-0.6-0.7-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4
Percentage of Revenues-0.6-0.8-0.7-0.6-0.6-0.7-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.6-0.5-0.5-0.5-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4
Percentage of Revenues us-gaap:IntersegmentElimination unh:Intersegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value36043539333325132294236421942177204722192026193816181635162114801473147314251365129511641064873874913855798
Percentage of Revenues5.65.85.54.13.84.03.93.93.74.34.03.93.33.43.53.23.33.43.43.83.63.53.22.72.82.92.82.6
Percentage of Revenues5.65.85.54.13.84.03.93.93.74.34.03.93.33.43.53.23.33.43.43.83.63.53.22.72.82.92.82.6
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Optumhealth100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value920114010178127771013819796763875706711663844647656626738623558579679544546551539531521
Percentage of Revenues1.41.91.71.31.31.71.41.41.41.71.41.41.41.81.41.41.41.71.51.51.62.01.71.71.71.71.71.7
Percentage of Revenues1.41.91.71.31.31.71.41.41.41.71.41.41.41.81.41.41.41.71.51.51.62.01.71.71.71.71.71.7
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Optuminsight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value866177757704847081908660746671206804725067626524624570366790674864868517658312241228112210751045994846821752
Percentage of Revenues13.412.812.814.013.614.813.212.712.313.913.413.012.814.814.714.514.619.515.93.43.43.43.33.23.12.72.72.5
Percentage of Revenues13.412.812.814.013.614.813.212.712.313.913.413.012.814.814.714.514.619.515.93.43.43.43.33.23.12.72.72.5
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Optumrx100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value50871480144783148218486424603945695456384527641419405814062439975377593704437408357593269132688329023250830302299042986029098286352825428142
Percentage of Revenues79.078.879.379.680.778.880.881.482.079.680.681.282.079.480.080.580.375.078.890.790.990.691.391.791.892.092.392.5
Percentage of Revenues79.078.879.379.680.778.880.881.482.079.680.681.282.079.480.080.580.375.078.890.790.990.691.391.791.892.092.392.5
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Unitedhealthcare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Intersegment, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value5452460046304449428739033733364036063135313830973059280926562541248521552067203119631819174916741671156216071581
Percentage of Revenues8.57.67.77.37.16.76.66.56.56.06.26.26.35.95.75.55.64.95.05.65.55.45.35.15.35.05.25.2
Percentage of Revenues8.57.67.77.37.16.76.66.56.56.06.26.26.35.95.75.55.64.95.05.65.55.45.35.15.35.05.25.2
Percentage of Revenues us-gaap:OperatingSegments unh:Intersegment unh:Optumhealth100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Intersegment, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value156217171594152114071481143113801304137012971281117912351177110610411074961851811808705697696639670660
Percentage of Revenues2.42.82.62.52.32.52.52.52.42.62.62.62.42.62.52.42.32.52.32.32.32.42.22.12.22.12.22.2
Percentage of Revenues2.42.82.62.52.32.52.52.52.42.62.62.62.42.62.52.42.32.52.32.32.32.42.22.12.22.12.22.2
Percentage of Revenues us-gaap:OperatingSegments unh:Intersegment unh:Optuminsight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Intersegment, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value128761130710734104399613103789960980792959758918693128698881884458324778581397824768870677385693669556464602254744895
Percentage of Revenues20.018.617.817.215.917.817.617.516.818.718.318.617.918.618.217.917.518.718.921.219.822.121.221.420.419.417.916.1
Percentage of Revenues20.018.617.817.215.917.817.617.516.818.718.318.617.918.618.217.917.518.718.921.219.822.121.221.420.419.417.916.1
Percentage of Revenues us-gaap:OperatingSegments unh:Intersegment unh:Optumrx100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value9192832381337148671363936052594157595463525251224733451343324065399836683532343832893017284925862580250824942411
Percentage of Revenues14.313.713.511.811.110.910.710.610.410.510.410.29.79.59.48.79.08.48.59.59.29.08.77.98.18.18.17.9
Percentage of Revenues14.313.713.511.811.110.910.710.610.410.510.410.29.79.59.48.79.08.48.59.59.29.08.77.98.18.18.17.9
Percentage of Revenues us-gaap:OperatingSegments unh:Optumhealth100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2494286126172339218925002254218520692247200419931843207918251762166718121585140913901487125012431247117812021181
Percentage of Revenues3.94.74.33.93.64.34.03.93.74.34.04.03.84.43.93.83.74.23.83.93.94.43.83.83.93.83.93.9
Percentage of Revenues3.94.74.33.93.64.34.03.93.74.34.04.03.84.43.93.83.74.23.83.93.94.43.83.83.93.83.93.9
Percentage of Revenues us-gaap:OperatingSegments unh:Optuminsight100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value21557190941845418923178171905217437169411610617015159531584014947158571523715073142731665714407891382958507801180007458686862955647
Percentage of Revenues33.531.430.631.229.532.630.830.229.232.731.731.630.733.432.932.432.138.234.724.623.225.424.524.623.522.120.618.6
Percentage of Revenues33.531.430.631.229.532.630.830.229.232.731.731.630.733.432.932.432.138.234.724.623.225.424.524.623.522.120.618.6
Percentage of Revenues us-gaap:OperatingSegments unh:Optumrx100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value51068482474810548594488964623445937458464545941599407344078840136379483717737556359003283032817330733262330434300393007129254287862838428305
Percentage of Revenues79.379.279.780.281.179.181.281.782.479.980.981.582.479.880.380.880.675.379.191.291.291.091.792.392.392.592.793.1
Percentage of Revenues79.379.279.780.281.179.181.281.782.479.980.981.582.479.880.380.880.675.379.191.291.291.091.792.392.392.592.793.1
Percentage of Revenues us-gaap:OperatingSegments unh:Unitedhealthcare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers

unh:ExternalCustomers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value640566046859885600135990358076561745573154890517635007549797485014727446102462924434443419413193604935610332673258732324315173046130213301372715727087
Percentage of Revenues99.499.399.299.099.399.499.399.499.599.499.599.599.599.599.699.699.699.699.699.499.699.599.599.299.499.599.499.399.599.3
Percentage of Revenues99.499.399.299.099.399.499.399.499.599.499.599.599.599.599.699.699.699.699.699.499.699.599.599.299.499.599.499.399.599.3
Percentage of Revenues unh:ExternalCustomers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

unh:ExternalCustomers, unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302012-09-302012-06-30
Value131851245412054117951126112037104791009396141034494949173852695159058888485851072886313147310229652683246424192182204417641719
Percentage of Revenues20.520.420.019.518.720.618.518.017.419.918.918.317.520.019.619.119.324.620.88.78.78.98.27.67.67.16.76.56.3
Percentage of Revenues20.520.420.019.518.720.618.518.017.419.918.918.317.520.019.619.119.324.620.88.78.78.98.27.67.67.16.76.56.3
Percentage of Revenues unh:ExternalCustomers unh:TotalOptum100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unh:Intersegment, unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302012-09-302012-06-30
Value1948617144165171602814948153791477214486138721393013297134061265012580120031169411057111301063010398968298779266921187167372676354365552
Percentage of Revenues30.228.227.426.524.826.326.125.825.126.826.426.826.026.525.925.224.825.525.628.727.129.528.328.327.524.122.219.920.4
Percentage of Revenues30.228.227.426.524.826.326.125.825.126.826.426.826.026.525.925.224.825.525.628.727.129.528.328.327.524.122.219.920.4
Percentage of Revenues unh:Intersegment unh:TotalOptum100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value32839297982876328029263602756225391247262360124392228852267121237221672111920623196842189919302135881281512876119861171411170104379873912484117226730173317222701668105906
Percentage of Revenues51.048.947.746.343.747.244.944.142.846.945.545.343.646.645.644.444.250.246.537.535.838.536.636.035.233.532.230.027.726.526.826.928.627.826.825.0
Percentage of Revenues51.048.947.746.343.747.244.944.142.846.945.545.343.646.645.644.444.250.246.537.535.838.536.636.035.233.532.230.027.726.526.826.928.627.826.825.0
Percentage of Revenues unh:TotalOptum100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Sales Revenue Goods Net

Premiums Earned Net

us-gaap:PremiumsEarnedNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value50640476254739747164475134493244613444584408440378395523958538938367523614236413348113172731801319613167429375289722884028115273562722027274246402460924631228062281323003214672112521128
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues78.678.278.577.878.876.978.979.379.977.678.679.179.977.378.178.378.272.876.688.188.687.988.488.588.789.389.589.990.290.390.390.290.490.490.790.891.1

us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2047193018401134101210119859628479649769198859381005872848785823775769741685627604665658617
Percentage of PremiumsEarnedNet4.04.13.92.42.12.32.22.21.92.42.52.32.32.62.82.42.42.52.62.42.42.52.42.22.10.02.42.3
Percentage of Revenues3.23.23.01.91.71.71.71.71.51.91.91.81.82.02.21.91.91.82.02.12.22.22.11.91.92.12.12.0
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Optumhealth56.854.555.245.144.142.844.944.241.443.448.247.454.757.462.058.957.653.357.856.859.463.764.471.869.172.877.077.3

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value48593456954555746030465014392143628434964323739414385763866638053358143513735541339633094230978311863090528634282872821327511270422669826603
Percentage of PremiumsEarnedNet96.095.996.197.697.997.797.897.898.197.697.597.797.797.497.297.697.697.597.497.697.697.597.697.897.90.097.697.7
Percentage of Revenues75.475.075.576.077.175.277.177.678.375.776.777.378.175.375.976.576.371.074.786.086.485.686.386.686.886.987.287.5
Percentage of Revenues us-gaap:OperatingSegments unh:ExternalCustomers unh:Unitedhealthcare95.595.295.295.595.695.495.595.395.595.295.195.295.294.894.995.095.094.694.894.895.194.594.694.594.594.494.594.5

us-gaap:MajorCustomers

unh:ExternalCustomers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value5064047625473974716447513449324461344458440844037839552395853893836752361423641334811317273180131961316742937528972288402811527707273562722027274
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Revenues78.678.278.577.878.876.978.979.379.977.678.679.179.977.378.178.378.272.876.688.188.687.988.488.588.789.089.389.589.9
Percentage of Revenues unh:ExternalCustomers79.178.879.178.679.377.479.479.880.378.079.079.580.377.778.478.778.573.177.088.788.988.388.989.289.20.089.890.190.5

us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

unh:ExternalCustomers, unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2047193018401134101210119859628479649769198859381005872848785823775769741685627604665658617
Percentage of PremiumsEarnedNet4.04.13.92.42.12.32.22.21.92.42.52.32.32.62.82.42.42.52.62.42.42.52.42.22.10.02.42.3
Percentage of Revenues3.23.23.01.91.71.71.71.71.51.91.91.81.82.02.21.91.91.82.02.12.22.22.11.91.92.12.12.0
Percentage of Revenues unh:ExternalCustomers unh:TotalOptum15.515.515.39.69.08.49.49.58.89.310.310.010.49.911.19.89.97.39.524.624.825.025.525.425.00.030.230.2

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value768765116627759873817625671864716184647960685889
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.910.711.012.512.213.111.911.511.212.412.111.8

Cost Of Goods Sold

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value10015930189608415851787038479838685067820738773287022781770336793675862106301585259495845543652065194486948254614427740804096389937333617354833593276
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.515.314.813.914.114.915.015.015.415.014.714.614.416.415.214.615.214.215.216.116.617.516.616.016.415.915.915.215.715.015.015.414.814.215.014.414.1

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value437437449418400374353344329308294301283268269271259260229151150151152155160178176178158153148129119118119119125
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.70.70.70.70.70.60.60.60.60.60.60.60.60.60.60.60.60.60.60.40.40.50.50.50.50.60.60.60.60.60.50.50.50.50.50.50.5

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value437437449418400374353344329308294301283268269271259260229151
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.70.70.70.70.70.60.60.60.60.60.60.60.60.60.60.60.60.60.60.4
Percentage of Revenues us-gaap:CorporateNonSegment-2.2-2.5-2.7-2.6-2.7-2.4-2.4-2.4-2.4-2.2-2.2-2.2-2.2-2.1-2.2-2.3-2.3-2.3-2.2-1.5

Operating Expenses

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value594255580655337558515547653920519665188251135480844623446322453104434842713432824156741131384713336833116306682985630022296542866527993280072820126668246922503924965238422321023135232112222821523213632117720209200192021520336
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 Revenues92.291.691.792.292.092.391.992.592.792.491.992.593.093.392.393.193.494.392.792.092.691.791.192.293.592.191.492.192.992.790.491.891.592.091.891.791.392.590.991.891.392.892.393.492.4

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value10015930189608415851787038479838685067820738773287022781770336793675862106301585259495845543652065194486948254614427740804096389937333617354833593276
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.515.314.813.914.114.915.015.015.415.014.714.614.416.415.214.615.214.215.216.116.617.516.616.016.415.915.915.215.715.015.015.414.814.215.014.414.1

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value499650955014474448324497459042044053397740883731341331873580320329602468301828952640276529032552205424522631240121392101261022262317207420702099222118022145190120161575167614401668
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues7.88.48.37.88.07.78.17.57.37.68.17.57.06.77.76.96.65.77.38.07.48.38.97.86.57.98.67.97.17.39.68.28.58.08.28.38.77.59.18.28.77.27.76.67.6

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value712901748688626750622570488556513422332420404304300390363253234341314224211242271216
Percentage of OperatingIncomeLoss14.317.714.914.513.016.713.613.612.014.012.511.39.713.211.39.510.115.812.08.78.912.310.88.810.39.910.39.0
Percentage of Revenues1.11.51.21.11.01.31.11.00.91.11.00.80.70.90.90.70.70.90.90.70.71.01.00.70.70.80.90.7
Percentage of Revenues us-gaap:OperatingSegments unh:Optumhealth7.710.89.29.69.311.710.39.68.510.29.88.27.09.39.37.57.510.610.37.47.111.311.08.78.29.610.99.0

us-gaap:OperatingSegments, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value536905632525432861534453395690414372294563371333246496289271222367225213197181212230
Percentage of OperatingIncomeLoss10.717.812.611.18.919.111.610.89.717.310.110.08.617.710.410.48.320.19.69.48.413.37.88.39.67.48.19.6
Percentage of Revenues0.81.51.00.90.71.50.90.80.71.30.80.70.61.20.80.70.61.10.70.70.61.10.70.70.60.60.70.8
Percentage of Revenues us-gaap:OperatingSegments unh:Optuminsight21.531.624.122.419.734.423.720.719.130.720.718.716.027.120.318.914.827.418.219.216.024.718.017.115.815.417.619.5

us-gaap:OperatingSegments, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value86012149798898201089875824770969770726653806692624560633490340286331326291242254198146
Percentage of OperatingIncomeLoss17.223.819.518.717.024.219.119.619.024.418.819.519.125.319.319.518.925.616.211.710.812.011.211.411.810.47.56.1
Percentage of Revenues1.32.01.61.51.41.91.51.51.41.91.51.51.31.71.51.31.31.51.20.90.81.01.00.90.80.80.60.5
Percentage of Revenues us-gaap:OperatingSegments unh:Optumrx4.06.45.34.74.65.75.04.94.85.74.84.64.45.14.54.13.93.83.43.83.43.94.13.63.23.73.12.6

us-gaap:OperatingSegments, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value288820752655264229541797255923572400176223912211213413982113194218549491876203118981726203818241404177519501809
Percentage of OperatingIncomeLoss57.840.753.055.761.140.055.856.159.244.358.559.362.543.959.060.662.638.562.270.271.962.470.271.568.472.474.175.3
Percentage of Revenues4.53.44.44.44.93.14.54.24.33.44.84.44.42.94.64.24.22.24.55.65.35.26.25.64.45.76.45.9
Percentage of Revenues us-gaap:OperatingSegments unh:Unitedhealthcare5.74.35.55.46.03.95.65.15.34.25.95.45.33.75.75.25.22.95.76.15.85.76.86.14.86.26.96.4

us-gaap:StatementBusinessSegments

unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value21083020235921021878270020311847165322151697152012791789146712611106151911428647421039865728650628536495408320252320340322310
Percentage of OperatingIncomeLoss42.259.347.044.338.960.044.243.940.855.741.540.737.556.141.039.437.461.537.829.828.137.629.828.531.623.922.323.115.614.410.915.516.214.514.5
Percentage of Revenues3.35.03.93.53.14.63.63.33.04.33.43.02.63.83.22.72.53.52.82.42.13.12.62.22.02.11.81.61.51.20.91.31.31.31.3
Percentage of Revenues unh:TotalOptum6.410.18.27.57.19.88.07.57.09.17.46.76.08.16.96.15.66.95.96.45.88.17.26.25.86.45.95.95.64.43.44.44.84.75.2

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value437437449418400374353344329308294301283268269271259260229151150151152155160178176178158153148129119118119119125
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.70.70.70.70.70.60.60.60.60.60.60.60.60.60.60.60.60.60.60.40.40.50.50.50.50.60.60.60.60.60.50.50.50.50.50.50.5

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value437437449418400374353344329308294301283268269271259260229151
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.70.70.70.70.70.60.60.60.60.60.60.60.60.60.60.60.60.60.60.4
Percentage of Revenues us-gaap:CorporateNonSegment-2.2-2.5-2.7-2.6-2.7-2.4-2.4-2.4-2.4-2.2-2.2-2.2-2.2-2.1-2.2-2.3-2.3-2.3-2.2-1.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1094990936941875959953850800-5212331080939121113331172107495611711159107711041149989795883789721895736781670713757749659700
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.71.61.61.61.51.61.71.51.4-0.12.52.21.92.52.92.52.42.22.83.23.03.33.53.02.52.92.62.43.32.72.92.72.83.03.22.83.0

Income Taxes Paid Net

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value34653668362933853557316432843010292437212561235021911708197817601627125216181585141315101602140810991427157014361240155713371388
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.46.06.05.65.95.45.85.45.37.15.14.74.53.64.33.83.72.93.94.44.04.54.94.33.54.65.14.74.15.74.95.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value160036723102377838693266288217932528330327232140240613061868235521411231557156352011029081691143415185131142166313481385133613921301141512241190
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.56.05.16.26.45.65.13.24.66.35.44.34.92.74.05.14.82.81.34.31.53.32.85.24.55.01.73.86.14.95.15.35.55.16.05.35.1

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value83127919290124968888104766619241061634210000000048000
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.00.00.00.0
Percentage of Revenues0.10.20.20.20.10.20.20.20.20.20.20.10.00.10.00.00.00.10.10.00.00.00.00.00.00.00.00.20.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value168337993193387039593390297818812616340727992206242513301878236121571265578156352011029081691143415185131190166313481385
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.66.25.36.46.65.85.33.44.76.55.64.45.02.84.15.14.82.91.44.31.53.32.85.24.55.01.73.96.14.95.1

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value338235413538329334673040318829222836361724852284217216841968175416111218159715851413151016021408109914271570143611921244155713371388125812711267134610431277112311919441035859984
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.25.85.95.45.75.25.65.25.16.94.94.64.53.54.33.83.62.83.84.44.04.54.94.33.54.65.14.73.94.35.74.95.14.95.05.05.34.35.44.85.14.34.84.04.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value3382354135383293346730403188292228363617248522842172168419681754161112181597158514131510160210991192138813461191
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.25.85.95.45.75.25.65.25.16.94.94.64.53.54.33.83.62.83.84.44.04.54.93.53.95.15.35.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value83127919290124968888104766619241061634210000000048000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.00.00.00.0
Percentage of Revenues0.10.20.20.20.10.20.20.20.20.20.20.10.00.10.00.00.00.10.10.00.00.00.00.00.00.00.00.20.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1890671738891737091672001611971522211510871546111555691390581404321380971371571228101236421196031178551113831082729142389719863828542685466846228188281863802018312680885717007346572690678897091066115653356306359045
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1274631117271139621091441046929599496722101989103643870369095291104914958262184151815728096475922735795678856389525405143651228508054855848717480514918147586414774409043834395974303838752387643723835439
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.464.365.665.364.963.164.066.066.662.664.866.066.767.368.168.268.768.268.062.162.960.860.259.960.059.359.559.959.258.857.860.060.358.360.758.659.359.060.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1890671738891737091672001611971522211510871546111555691390581404321380971371571228101236421196031178551113831082729142389719863828542685466846228188281863802018312680885717007346572690678897091066115653356306359045
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value588074263443541420384281538692387544663448353370844092141239409893387935768332983374531639299352756626774235562296322851223642038021194206182271721052203312272722690203502450820429198181839318200
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.124.525.125.126.625.425.730.231.126.729.129.929.927.628.927.828.628.427.630.229.827.326.926.726.424.925.925.727.326.028.430.931.230.034.630.930.329.230.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value21569109851236313745124071086610263183681824311981162691458216142104301279682171059610923798378878650749572336412751472768286765410038840689161157811661942913679977597909123957799839920980074268865
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.46.37.18.27.77.16.811.911.78.611.610.611.88.510.36.99.09.87.48.69.68.78.57.58.98.910.19.512.110.412.415.816.013.919.314.815.014.50.00.00.016.60.00.0

Short Term Investments

us-gaap:ShortTermInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value287632603455352433033458358634923798350935253388321028452871275724181988194219151780174119791877186919372433244330193031303828522665257726982532236020721239
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.92.02.12.02.32.42.32.42.52.52.52.32.32.32.32.11.81.82.12.02.02.32.22.22.43.03.03.63.74.23.93.73.83.83.83.63.32.1

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value146131182210964974112826113881099210874115129568863810538959581527347934677776523675260345040425238265383420230522853367431852709240326482688229422342851249520611954
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.76.86.35.88.07.57.37.07.46.96.27.67.06.65.97.86.65.96.26.65.64.94.56.35.03.73.54.63.83.33.43.63.73.43.24.33.83.33.3

Other Assets Current

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value6608385135563651369730863707428651002663258125222547184823002768321115461973219326321052136118512056930790848866781678673698615666647641541
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.52.22.02.22.32.02.52.83.31.91.81.81.91.51.92.32.71.41.82.42.91.21.62.22.41.11.01.11.01.00.90.91.00.90.91.01.00.9

Land

Machinery And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-31
Value817387048501868182308458804279068144701365626324632959015524518949764861453244734245441843094267406540103829378539453939261925892560251523881027946
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.35.04.95.25.15.65.35.15.25.04.74.64.64.84.54.34.24.44.24.94.75.15.05.04.84.94.74.74.74.93.73.53.53.73.41.61.6

Long Term Investments

us-gaap:LongTermInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value365783720936840356963355332510319293123729441283412770326397257602386823324222112089518792185351899619416188271934619274193771960518783179761799817711172271669816492161661539814935149321470713311
Percentage of LongTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.321.421.221.320.821.421.120.218.920.419.719.118.819.418.918.617.716.917.120.821.621.822.622.622.923.922.922.421.721.924.022.722.723.821.722.622.923.322.5

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value65302656596520562000593795891058703562715685054556534025249852376475844718346881462944445343680341543278232940323573246232150316043175131427318103128626339261912575423975237232342323393227452072720088
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.537.837.537.136.838.738.936.436.539.238.038.038.238.738.239.239.339.940.337.436.538.137.938.038.038.638.839.238.338.736.735.735.435.333.535.435.836.135.10.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value101991034910521999992459325949886809033848984578338861885418719887888618391840533163441366935793791386738444019407943094682304931413103279528552878289329102381
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.46.06.16.05.76.16.35.65.86.16.06.06.37.07.17.47.57.57.83.63.84.24.24.44.64.74.95.15.25.84.34.34.34.14.04.44.44.64.0

Finite Lived Intangible Assets Net

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000893349101878679754326416138833748357533873301308530373124314630843247318529183061297228722821279924392287231623472215213521192091208820382148211021082286
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.45.25.34.92.82.82.52.42.62.42.42.22.52.52.62.62.92.93.23.43.43.43.33.33.02.82.92.82.73.02.92.93.12.93.23.23.33.9

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value786066178262641623285893353209563776205267667504635808857121575434925251096473764628542898399533574134978306233113030776307162788127867264052718327116248532762327462239222861824374245272370022163
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.635.536.137.336.635.037.340.143.536.341.441.442.040.141.339.639.338.536.939.139.035.536.436.036.334.134.032.932.733.534.737.637.835.240.436.937.537.637.5

Debt Current

us-gaap:DebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value15828387063877800391919731500295973792857453957397193
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.42.23.74.72.41.31.01.94.72.13.24.25.9

Long Term Debt Current

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value228451900518570171281690016705189911752718210151801587814514134731336112994143661374011994113001090110518924783949625916074587145704665596984657964606197685366436373638264886283
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.110.910.710.210.511.012.611.311.710.911.310.59.810.910.512.011.710.810.411.911.710.79.811.310.89.18.78.87.98.69.28.88.510.19.49.69.810.310.6

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value14652145951424514474144451224413648149991480612286130731304312198103397798
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.78.48.28.79.08.09.09.79.58.89.39.48.98.47.0

Long Term Debt

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3577936808385073447334419345813205332096282062883524723261972615425777260222683427218254602601515378155771600714592146301452414891148881554315659140411114611156110831065695559442935986629009
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.921.222.220.621.422.721.220.818.120.717.619.019.121.021.022.423.122.924.016.817.418.517.117.117.218.218.219.418.817.415.515.215.215.713.514.314.313.715.3

Deferred Tax Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value2886282027602751272726232586249024832057201221752092-97-98-99-102-10580
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.51.61.61.61.71.71.71.61.61.51.41.61.5-0.1-0.1-0.1-0.1-0.10.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value100481014499129435855457305858574655575556290924212385230720321998188714811529130112951357132613321262152516221576157115351223
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.85.75.65.33.83.93.73.64.02.11.81.71.91.61.71.61.31.41.41.41.61.61.61.51.92.02.01.91.91.8

Stockholders Equity

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value59863604365775655854544515431952596507835003649833473104533643995381773755436287350673372533122330203187832454326043214931178
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.734.833.233.433.835.734.832.832.235.833.732.832.131.130.430.329.830.330.636.135.537.638.239.338.5

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value306589640516140-264-429-356-296-137352-43-972943251985612710428922321054516
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.51.01.10.90.3-0.5-0.8-0.7-0.6-0.00.20.1-0.1-0.30.80.90.60.20.40.30.90.70.60.21.7
Percentage of Assets0.20.30.40.30.1-0.2-0.3-0.2-0.2-0.00.10.0-0.0-0.10.20.30.20.10.10.10.30.30.20.10.6
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value-5666-4167-4349-3789-3898-3896-3957-3724-2655-2654-2426-2643-2404-2584-2597-2528-3002-3390-3474-2411-2574-1615-1194-962-78
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-9.5-6.9-7.5-6.8-7.2-7.2-7.5-7.3-5.3-5.3-5.1-5.8-5.5-6.8-6.9-7.0-8.6-10.1-10.5-7.3-8.1-5.0-3.7-3.0-0.3
Percentage of Assets-3.0-2.4-2.5-2.3-2.4-2.6-2.6-2.4-1.7-1.9-1.7-1.9-1.8-2.1-2.1-2.1-2.5-3.0-3.2-2.6-2.9-1.9-1.4-1.2-0.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value07000000017031801166118190000296955000066
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.03.43.83.74.10.00.00.00.00.10.20.20.00.00.00.00.2
Percentage of Assets0.00.00.00.00.00.00.00.00.01.21.31.21.30.00.00.00.00.00.10.10.00.00.00.00.1
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value10999101010101010101010101010101010101010101010
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value2886282027602751272726232586249024832057201221752092-97-98-99-102-105800000
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.84.74.84.95.04.84.94.95.04.14.34.84.8-0.3-0.3-0.3-0.3-0.30.00.00.00.00.00.0
Percentage of Assets1.51.61.61.61.71.71.71.61.61.51.41.61.5-0.1-0.1-0.1-0.1-0.10.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312012-12-31
Value62327611785869656367554725584654386523635049448730458404408142521409453994538579379633712536382352623415333836335783304730664
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest104.1101.2101.6100.9101.9102.8103.4103.1100.997.896.997.296.6107.3106.4106.3108.3110.1109.8106.8107.1104.3103.0102.898.4
Percentage of Assets33.035.233.833.734.436.736.033.932.535.032.631.931.033.332.332.332.233.333.638.638.139.239.340.437.9
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value109991010101010101010101010101010101010101010101010101010101010101111111111
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0700001703180116611819000029695500000660
Percentage of AdditionalPaidInCapital0.0100.00.00.00.00.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.00.00.00.00.00.0100.00.0
Percentage of Assets0.00.00.00.00.00.01.21.31.21.30.00.00.00.00.00.10.10.00.00.00.00.00.10.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value623276117858696563675547255846543865236350494487304584044081425214094539945385793796337125363823526234153338363357833215331123304732593319063135930664296382889628388278212746427020263532556223342
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.035.233.833.734.436.736.033.932.535.032.631.931.033.332.332.332.233.333.638.638.139.239.338.939.140.439.839.837.737.941.339.339.141.038.740.940.340.539.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value-5360-3578-3709-3273-3758-4160-4386-4080-2951-2667-2353-2591-2447-2681-2303-2203-2804-3334-3347-2307-2285-1392-984-290-573-908-587-535388438575469458461
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.8-2.1-2.1-2.0-2.3-2.7-2.9-2.6-1.9-1.9-1.7-1.9-1.8-2.2-1.9-1.8-2.4-3.0-3.1-2.5-2.5-1.6-1.2-0.3-0.7-1.1-0.7-0.70.50.50.80.60.60.7

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value2886282027602751272726232586249024832057201221752092-97-98-99-102-10580
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.51.61.61.61.71.71.71.61.61.51.41.61.5-0.1-0.1-0.1-0.1-0.10.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value29436205315058743234239694140078369-2577754621716456-140972031683231835112797116322692429320014081053358612241205
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.610.25.29.75.44.11.77.115.2-4.915.04.313.3-3.015.63.65.28.16.73.26.37.39.84.43.513.14.85.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value-1533-1388-4433-5462-1416-1140-4547-2181-4517-2704-2239-1367-2289-614-2328-2232-4181-975-14570-1325-1525-676-980-603-904-2398-1337-583
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.4-2.3-7.3-9.0-2.3-2.0-8.0-3.9-8.2-5.2-4.4-2.7-4.7-1.3-5.0-4.8-9.4-2.2-35.1-3.7-4.3-2.0-3.0-1.9-3.0-8.8-5.3-2.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value9303-6212-56915-272-672-4480-163524221016-3645-23371525-351-301-1861150240911951-617496-1483-1388-57315031044780-502
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.4-10.2-0.11.5-0.5-1.2-7.9-2.94.42.0-7.2-4.73.1-0.7-0.7-4.03.40.928.8-1.71.4-4.4-4.2-1.85.03.83.1-2.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value29436205315058743234239694140078369-2577754621716456-140972031683231835112797116322692429320014081053358612241205
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.610.25.29.75.44.11.77.115.2-4.915.04.313.3-3.015.63.65.28.16.73.26.37.39.84.43.513.14.85.2

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value338235413538329334673040318829222836361724852284217216841968175416111218159715851413151016021408109914271570143611921244155713371388125812711267134610431277112311919441035859984
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.25.85.95.45.75.25.65.25.16.94.94.64.53.54.33.83.62.83.84.44.04.54.94.33.54.65.14.73.94.35.74.95.14.95.05.05.34.35.44.85.14.34.84.04.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value3382354135383293346730403188292228363617248522842172168419681754161112181597158514131510160210991192138813461191
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.25.85.95.45.75.25.65.25.16.94.94.64.53.54.33.83.62.83.84.44.04.54.93.53.95.15.35.1
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value34653668362933853557316432843010292437212561235021911708197817601627125216181585141315101602140810991427157014361240155713371388
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.46.06.05.65.95.45.85.45.37.15.14.74.53.64.33.83.72.93.94.44.04.54.94.33.54.65.14.74.15.74.95.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value-1533-1388-4433-5462-1416-1140-4547-2181-4517-2704-2239-1367-2289-614-2328-2232-4181-975-14570-1325-1525-676-980-603-904-2398-1337-583
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-2.4-2.3-7.3-9.0-2.3-2.0-8.0-3.9-8.2-5.2-4.4-2.7-4.7-1.3-5.0-4.8-9.4-2.2-35.1-3.7-4.3-2.0-3.0-1.9-3.0-8.8-5.3-2.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-31
Value469650444415562558545483477632466418507485407388425484356343373404405353323269213
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value3866474557374109354026943134429138913962368232613683531632563802517332272426239518912105234629142824232627162073
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value9303-6212-56915-272-672-4480-163524221016-3645-23371525-351-301-1861150240911951-617496-1483-1388-57315031044780-502
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.4-10.2-0.11.5-0.5-1.2-7.9-2.94.42.0-7.2-4.73.1-0.7-0.7-4.03.40.928.8-1.71.4-4.4-4.2-1.85.03.83.1-2.2

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value0500001250015000110015317507251392495500100060162500416064017210770955833
Percentage of RepaymentsOfLongTermDebt0.0100.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.00.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-242019-09-302019-06-252019-06-302019-03-192019-03-312018-12-312018-09-182018-09-302018-06-262018-06-302018-03-202018-03-312017-12-312017-09-192017-09-302017-06-272017-06-302017-03-102017-03-312016-12-312016-09-202016-09-302016-06-282016-06-302016-03-222016-03-312015-12-312015-09-222015-09-302015-06-242015-06-302015-03-242015-03-312014-12-312014-09-232014-09-302014-06-252014-03-252014-03-312013-03-312012-09-212012-06-222012-03-192012-03-312011-09-212011-06-212011-06-212011-03-212011-03-21
Value102410241024102410241024860860866866866866866722722727726726724724596596595595595594594477477476477477476476357357358362362366276276216217218168168172174174135135
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value169139960014993002850500500265032712836368216313748050070177578969841087911543991620626
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value0500001250015000110015317507251392495500100060162500416064017210770955833
Percentage of RepaymentsOfLongTermDebt0.0100.00.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.00.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

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

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value23117212715524312615415020814112413619611610710515710095861259581831057977998710214098951238367100
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Cash And Cash Equivalents Period Increase Decrease

unh:SalesRevenueProductsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value843176267546835380728551734470046702715766656415
Percentage of SalesRevenueProductsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9869815131212111011
Percentage of SalesRevenueProductsNet0.10.10.10.10.10.20.20.20.20.20.20.2

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value294229222339292023372919
Percentage of SalesRevenueProductsNet0.30.60.40.30.30.50.40.30.30.50.40.3

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value839375767511832280418497730269726667710966266385
Percentage of SalesRevenueProductsNet99.599.399.599.699.699.499.499.599.599.399.499.5

us-gaap:MajorCustomers

unh:ExternalCustomers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value843176267546835380728551734470046702715766656415
Percentage of SalesRevenueProductsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

unh:ExternalCustomers, unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value843176267546835380728551734470046702715766656415
Percentage of SalesRevenueProductsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unh:SalesRevenuesServicesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value498552174942449643184593421742694104422838583797
Percentage of SalesRevenuesServicesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value154816011487137012741338119612031188124410401008
Percentage of SalesRevenuesServicesNet31.130.730.130.529.529.128.428.228.929.427.026.5

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value8911098988790754974790776740838677692
Percentage of SalesRevenuesServicesNet17.921.020.017.617.521.218.718.218.019.817.518.2

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value268199193148149163164148137141136139
Percentage of SalesRevenuesServicesNet5.43.83.93.33.53.53.93.53.33.33.53.7

us-gaap:OperatingSegments, unh:ExternalCustomers, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value227823192274218821412118206721422039200520051958
Percentage of SalesRevenuesServicesNet45.744.546.048.749.646.149.050.249.747.452.051.6

us-gaap:MajorCustomers

unh:ExternalCustomers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value498552174942449643184593421742694104422838583797
Percentage of SalesRevenuesServicesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments

unh:ExternalCustomers, unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value270728982668230821772475215021272065222318531839
Percentage of SalesRevenuesServicesNet54.355.554.051.350.453.951.049.850.352.648.048.4

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value101211876718911788978979162310244344609710082
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-03-31
Value105841541
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-03-312019-12-312019-09-242019-09-302019-06-252019-06-302019-03-192019-03-312018-12-312018-09-182018-09-302018-06-262018-06-302018-03-202018-03-312017-12-312017-09-192017-06-272017-03-102016-09-202016-06-282016-03-222015-09-222015-06-242015-03-242014-09-232014-06-252014-03-252013-09-242013-06-262013-03-262012-09-212012-06-222012-03-192011-09-212011-09-302011-06-212011-06-302011-03-212011-03-312010-09-302010-06-302010-03-31
Value1.081.07999999999999961.081.081.081.080.90.90.90000000000000040.90.90.90.90.750.750.750.750.750.6250.6250.6250.50.50.50.3750.3750.3750.280.280.280.21250.21250.21250.16250.16250.16250.16250.16250.1250.1250.1250.1550.0
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value20253-186113433167-84-74-506-259-111-89486-264-286145-24-19-152122-10-919913112616583
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value723718709654639637611598582578578556533527515511502484452379378381373364360349340336317326296294270270247249248
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-03-31
Value1024102410241024860866866866722727726724596595595594477476477476357358362276279280281216168135
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-31
Value1024102410241024860866866866722727726724596595595594477476477476357358362276216168135
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-31
Value-12917-4311-519-19-66-12-2325-2720853134-5-8216-85-8-116-200
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value4559465845654326443241234237386037243669379434303130291933112932270122082789274424902614275123971894245322251961245220732169194119802103202617821891
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-437-437-449-418-400-374-353-344-329-308-294-301-283-268-269-271-259-260-229-151
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-9.6-9.4-9.8-9.7-9.0-9.1-8.3-8.9-8.8-8.4-7.7-8.8-9.0-9.2-8.1-9.2-9.6-11.8-8.2-5.5

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value712901748688626750622570488556513422332420404304300390363253234341314224211242271216
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments15.619.316.415.914.118.214.714.813.115.213.512.310.614.412.210.411.117.713.09.29.413.011.49.311.10.011.09.7

us-gaap:OperatingSegments, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value536905632525432861534453395690414372294563371333246496289271222367225213197181212230
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments11.819.413.812.19.720.912.611.710.618.810.910.89.419.311.211.49.122.510.49.98.914.08.28.910.40.08.610.3

us-gaap:OperatingSegments, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value86012149798898201089875824770969770726653806692624560633490340286331326291242254198146
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments18.926.121.420.618.526.420.721.320.726.420.321.220.927.620.921.320.728.717.612.411.512.711.912.112.80.08.16.6

us-gaap:OperatingSegments, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value288820752655264229541797255923572400176223912211213413982113194218549491876203118981726203818241404177519501809
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments63.344.558.261.166.743.660.461.164.448.063.064.568.247.963.866.268.643.067.374.076.266.074.176.174.10.079.581.3

us-gaap:StatementBusinessSegments

unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value21083020235921021878270020311847165322151697152012791789146712611106151911428647421039865728650628536495408320252320340322310
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments46.264.851.748.642.465.547.947.844.460.444.744.340.961.344.343.040.968.840.931.529.839.731.430.434.325.624.125.216.615.411.616.517.215.315.3

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value4137628138-351318-2257550-5882821-13531062929292490-1399633177027-11931611648516-10931665-237-20248265
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value26527951239-36171421367-37-5581579818-19419531232777-205815281110-316-818967758366-1586990463316385318
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInCustomerDeposits



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1062-407-1015-3491784-1683-15301202962-487-2406823217443210-281067649-822-1081049-198-773-485818-277
Percentage of IncreaseDecreaseInCustomerDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value-7970489-5219218-4926-4335379-4501515-3534496-37684161-344-251416267-229-217294219232-1292465-151-37
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInHealthCareInsuranceLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value1120998-224-678112586482-501313-21210711024-135-11573113684481493781610-17094387673246143-106
Percentage of IncreaseDecreaseInHealthCareInsuranceLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value4249-6184072791495-891-728-8633232-133-757522998-234-217-1102162-256-492162162-229-316128155622130476
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterestAndDividend



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value365433466582405341382355298298247256222261191193183180170214146166172250191163195203145178172170160182136149173
Percentage of InvestmentIncomeInterestAndDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, unh:Optumhealth



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value136184170186132126125124106109888756695544404040423134363935333232
Percentage of InvestmentIncomeInterestAndDividend37.342.536.532.032.637.032.734.935.636.635.634.025.226.428.822.821.922.223.519.621.220.520.915.618.30.019.616.4

us-gaap:OperatingSegments, unh:Optuminsight



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value12466564922111010001000100010
Percentage of InvestmentIncomeInterestAndDividend3.30.91.31.01.21.81.02.50.70.70.40.40.50.00.50.00.00.00.60.00.00.00.60.00.00.00.60.0

us-gaap:OperatingSegments, unh:Optumrx



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value201216141414111477544321210100000000
Percentage of InvestmentIncomeInterestAndDividend5.52.83.42.43.54.12.93.92.32.32.01.61.81.11.00.51.10.60.00.50.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, unh:Unitedhealthcare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value197233274376254195242208183180153164161189133148141139129171115132135211156151130163
Percentage of InvestmentIncomeInterestAndDividend54.053.858.864.662.757.263.458.661.460.461.964.172.572.469.676.777.077.275.979.978.879.578.584.481.70.079.883.6

us-gaap:StatementBusinessSegments

unh:TotalOptum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value16820019220615114614014711511894926172584542414143313437393533323026302826252014
Percentage of InvestmentIncomeInterestAndDividend46.046.241.235.437.342.836.641.438.639.638.135.927.527.630.423.323.022.824.120.121.220.521.515.618.320.216.414.817.916.916.315.315.611.010.3

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0-1893464873567250211700760000
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2347137668387803773422973368073461034501212373257431564309311874229604286162767915797
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value164476685752169147531131109222613119732384155812154201556138411140
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4100039276390413918438939369553615836427358633320732201325493207929696290402987228430
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestChangeInRedemptionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-515938-133-152282-18465-484-4022389-397784459-354202-24-49
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-515938-133-152282-18465-484-4022389-397784459-354202-24-49
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value436866628356774550306645118888128
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value43666283774550664511888
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value50-73223102-7
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value50-732132102-7
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0573.9100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NoncontrollingInterest



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value598254607159535754991111
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3441363036203347352731303259298128893691254223382181169319771765162212331608158514131510
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-1499182-560109-261-233-1069-1-228217-23918013-6947438884-1063163-959-421-642151259-49-604187-43-913914-9-4
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value-1782131-436485402226-306-1129-308-314238-144234-378-10060153013-1040-22-893-408-694283335-52-923-5010611-365125
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-283-51124376404165-73-60-307-86219554-391-31127142-7123-1856613-5213276-72-3
Percentage of OtherComprehensiveIncomeLossNetOfTax15.9-38.9-28.477.5100.573.023.95.399.727.48.8-66.023.1103.431.021.126.8-546.2-2.2840.9-7.4-3.27.546.622.70.05.8

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-1499182-560109-261-233-1069-1-228217-23918013-6947438884-1063163-959-421-642151259-249-49
Percentage of OtherComprehensiveIncomeLossNetOfTax84.1138.9128.422.5-0.527.076.194.70.372.691.2166.076.9-3.469.078.973.2646.2102.2-740.9107.4103.292.553.477.30.094.2

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value1834695-4433619321020216926363542286832830107463149572050
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value1426534-33327152161313441723222617432181968292031361331
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value48161-11094114782591313161125110113917111821719
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value-349-31230493520218-91-43-378-1044417099-546-21234260-7266-22210549-5331416626-453-481668130152198-37
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-269-25177380401168-70-33-292-652710867-347-14150164-4540-1426831-3320010517-288-32112461998125-2312512127
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-80-65311311950-21-10-86-39176232-199-78496-2726-803718-20114619-165-165435115473-14726517
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value-45-7554169-42-6514617-27-49-57-68-43144826-627481164445105654188-23-8
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3991838336393553990337726369203571936727343563330631948324893089629805291722906326937
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value165119166-350-154395362729685-30-25-6241-2-149399-8032-1764051000-45
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value9291433449406268917331885325831223204236468-9676923381697-191440512035751072328345279193554178
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value41000392763904139184389393695536158364273586333207322013254932079296962904029872284302654225618260262568923434230922352323208220442217322569194712001319939184081857818725171921722117170
Percentage of PolicyholderBenefitsAndClaimsIncurredHealthCare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value557297292125323932671832958421312127042133561983612450192621332161162579695
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value172619311845160417111555150417071504139514751450132612411067995978797935779843760722825119510981048740
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value-398-481-227-161-368-300-368-96-622211-58-71-49591933-38512-25882-270147-115-257-24-18321-46
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromRepaymentsOfCommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value10797-3698-292638233101-3717-44404259-156-1956-1257-139-1075569409-28510011579-1081194-214914569130244759225
Percentage of ProceedsFromRepaymentsOfCommercialPaper100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value21702338351811701510769869100110021814723106810182917100112992122201317811757503189114172235128210341085960
Percentage of ProceedsFromSaleOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value522151225252171215121632841365
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueNewIssues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-03-312010-03-31
Value32125827710556532391074156918746192341112056158923016107-634169144841296147
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value32025827710556532391074156918746192341112056158923016107-6841296147
Percentage of StockIssuedDuringPeriodValueNewIssues99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value1000000000000000000000000000
Percentage of StockIssuedDuringPeriodValueNewIssues0.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-03-312010-03-31
Value234152130152239127146141206150112158113206741031599410595112209139102
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-03-312012-03-312011-03-312010-03-31
Value23415213015223912714614120611215811320674103159112209139102
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6136123221221241144
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1691399600149930028505005002650327128363682163137480500
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value51036441512434136201313232432712836368274130-64176
Percentage of StockRepurchasedAndRetiredDuringPeriodValue30.291.269.28.31.116.040.262.687.7100.0100.0100.0100.045.494.9-13.335.2

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value00010000000000000
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-31
Value118135185137429687142991873260897544324
Percentage of StockRepurchasedAndRetiredDuringPeriodValue69.88.830.891.798.984.059.837.412.30.054.65.1113.364.8

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4158039396391013928439239370653608836417361533320732311326793252929726289302981228790
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-580000000.0-120000000.0-60000000.0-100000000.0-300000000.0-110000000.070000000.010000000.0-290000000.00.0-110000000.0-130000000.0-450000000.0-30000000.0110000000.060000000.0-360000000.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value131414172121212121211716141414151312132017131721211819139811
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unh:AarpAssetsUnderManagement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value28663076305129432951303229362842292231013082297728863105295228552878299829482863292129622855279127802757269426132659277327372628256827082597251024702550
Percentage of AarpAssetsUnderManagement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value937112311161011896108699386995011177639688881064832
Percentage of AarpAssetsUnderManagement32.736.536.634.430.435.833.830.632.536.024.832.530.834.327.8

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value189019181907191120431938193919731972198423192009199820412166
Percentage of AarpAssetsUnderManagement65.962.462.564.969.263.966.069.467.564.075.267.569.265.772.2

us-gaap:FairValueInputsLevel3



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value39352821128400000000
Percentage of AarpAssetsUnderManagement1.41.10.90.70.40.30.10.00.00.00.00.00.00.00.0

unh:InvestmentsAmortizedCost



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value3595836300359693480933172328613258831766307163097230258290752844426859257262445222995206872027020742207372021120989207322103421450210122021020306199261934217988
Percentage of InvestmentsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unh:InvestmentsGrossUnrealizedGains



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value878799855708327102425963175256242167145527580414268330281514425401466353327388409736833935794
Percentage of InvestmentsGrossUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

unh:InvestmentsGrossUnrealizedLosses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value46930213414444560052344719514015923429056619317412110951666244139234181197199532
Percentage of InvestmentsGrossUnrealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value614805191153223534764982747641466305379445498
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value269831713318657201471834216774160672364917112
Percentage of AssetsFairValueDisclosure43.933.035.137.736.835.234.544.037.6

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value342083449434321331063128830686303002991728052
Percentage of AssetsFairValueDisclosure55.666.464.561.962.864.465.055.661.7

us-gaap:FairValueInputsLevel3



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value289284245223197181263228334
Percentage of AssetsFairValueDisclosure0.50.50.50.40.40.40.60.40.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value86779585270432510141586216722619912392467525348209284242473387374439317
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1823433522659514101057
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax21.043.141.337.629.213.924.417.234.1

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28374839132003
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.24.75.65.54.02.00.00.01.8

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value260109113833711127
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax30.013.713.311.811.410.92.43.44.2

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value21425125623715061304599
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax24.731.630.033.746.260.473.277.659.3

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1835583803013011
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax21.16.99.711.49.212.90.01.70.6

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value468292134143443597520445153102119192243151640117637118414633221
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value411119125821820821744
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax87.837.942.935.340.649.234.841.728.8

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3631162030276
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax7.710.34.82.94.24.55.05.23.9

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value066155110617113138
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.020.728.644.135.723.928.625.224.8

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value205319571128435
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax4.317.214.32.96.312.918.816.222.9

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14251942766130
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.213.89.514.713.39.512.711.719.6

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value35233353283511834068324483224031989311783012528410277612635425772243302330222139207481853918222186371866418205188441846519331
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value179231791017824165971558915366155611501813181
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis50.950.750.848.748.047.748.648.246.4

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value193218111685159314711376132912851018
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.55.14.84.74.54.34.24.13.6

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value650864256361566252124947484647233942
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis18.518.218.116.616.115.315.115.113.9

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value572456805657653265667117696271797596
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis16.216.116.119.220.222.121.823.026.7

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value314635023591368436103434329129732673
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis8.99.910.210.811.110.710.39.59.4

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2944951109724421
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value327103113628728116086
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss110.3175.0250.0344.4266.7263.3390.3363.6409.5

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value30016131163
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss10.30.00.011.111.811.915.313.614.3

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0011946582714
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.025.011.117.642.280.661.466.7

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value00151935433022
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.00.025.055.637.332.159.768.2104.8

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value411119125821820821744
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value468292134143443597520153
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss113.9263.6233.3283.3246.6203.2287.0239.6347.7

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3631162030276
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss8.827.311.18.310.39.214.412.413.6

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value205319571128435
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss4.945.533.38.315.526.153.838.779.5

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14251942766130
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.236.422.241.732.819.336.528.168.2

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value968526432382305569401234412267119857143
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value114225095458057661306823357262212454016258
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue117.9192.8192.3188.7188.3189.2213.8204.8227.6

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value871406217128546108112211161555
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue9.015.49.14.27.98.810.09.77.8

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value81044037936612743825506744813465
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue8.416.615.912.018.431.041.337.448.5

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5661651465513292423309326822276
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue0.623.321.621.419.119.625.222.431.9

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value382753710913617323
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value43622113715631636067
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss114.1314.3220.0100.0100.0143.1232.4208.1291.3

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value333100719213
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss8.642.920.00.00.06.414.012.113.0

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value20520011545721
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss5.271.440.00.00.010.139.732.991.3

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value14100733318
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.357.120.00.00.06.424.317.934.8

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value929419031360703146181059933108665901
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1100140222729703146112355191472061011817
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue118.4211.4200.7100.0100.0152.4192.8189.7200.3

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value841406217006229561023411
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue9.021.316.00.00.07.79.69.47.0

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value810440296001334347137462599
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue8.723.121.80.00.016.534.934.544.0

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5661628600998202518501249
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue0.632.421.00.00.012.320.417.021.2

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3917401022235254794239233411191242
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4211073185150631160711002707439304441
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue107.7145.0181.1215.3211.8259.5303.1351.2357.6

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3000128546459265138144
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue7.70.00.05.410.010.811.412.311.6

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0083366127424911596735866
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue0.00.08.115.623.358.868.465.769.7

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value002286551329142510688321027
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue0.00.022.327.824.333.645.874.482.7

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19321811168515931471137613291285
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value65086425636156625212494748464723
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost336.9354.8377.5355.4354.3359.5364.6367.5

us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19241845173216311478135812991258
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value67686528646857305198485246764594
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue351.8353.8373.4351.3351.7357.3360.0365.2

us-gaap:AvailableForSaleSecuritiesDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302011-12-312011-09-302011-06-302011-03-31
Value35632360943594934738326303189831433307162974228424278852643425703241792375422648210561863118443188081911918551191721887118871194271953618002173761670816568
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value597071651739413965
Percentage of AvailableForSaleSecuritiesDebtSecurities0.20.20.20.20.10.10.10.10.2

us-gaap:FairValueInputsLevel1, us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value320234393492353933363099296926822493
Percentage of AvailableForSaleSecuritiesDebtSecurities9.09.59.710.210.29.79.48.78.8

us-gaap:FairValueInputsLevel1, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value314333693421347433193060292826432428
Percentage of AvailableForSaleSecuritiesDebtSecurities8.89.39.510.010.29.69.38.68.5

us-gaap:FairValueInputsLevel2, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value173851792317879165831542414950151631462312989
Percentage of AvailableForSaleSecuritiesDebtSecurities48.849.749.747.747.346.948.247.645.7

us-gaap:FairValueInputsLevel2, us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value321803240632240309972910928626283052788525791
Percentage of AvailableForSaleSecuritiesDebtSecurities90.389.889.789.289.289.790.090.890.7

us-gaap:FairValueInputsLevel2, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value192418451732163114781358129912581015
Percentage of AvailableForSaleSecuritiesDebtSecurities5.45.14.84.74.54.34.14.13.6

us-gaap:FairValueInputsLevel2, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value676865286468573051984852467645943911
Percentage of AvailableForSaleSecuritiesDebtSecurities19.018.118.016.515.915.214.915.013.8

us-gaap:FairValueInputsLevel2, us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value591859265910676867077121688071407660
Percentage of AvailableForSaleSecuritiesDebtSecurities16.616.416.419.520.622.321.923.226.9

us-gaap:FairValueInputsLevel2, us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value185184251285302345287270216
Percentage of AvailableForSaleSecuritiesDebtSecurities0.50.50.70.80.91.10.90.90.8

us-gaap:FairValueInputsLevel3, us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value250249217202185173159149140
Percentage of AvailableForSaleSecuritiesDebtSecurities0.70.70.60.60.60.50.50.50.5

us-gaap:FairValueInputsLevel3, us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value250249217202185173159149140
Percentage of AvailableForSaleSecuritiesDebtSecurities0.70.70.60.60.60.50.50.50.5

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value176941824218167168501562615162153631481113194
Percentage of AvailableForSaleSecuritiesDebtSecurities49.750.550.548.547.947.548.948.246.4

us-gaap:DebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value356323609435949347383263031898314333071628424
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value192418451732163114781358129912581015
Percentage of AvailableForSaleSecuritiesDebtSecurities5.45.14.84.74.54.34.14.13.6

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value676865286468573051984852467645943911
Percentage of AvailableForSaleSecuritiesDebtSecurities19.018.118.016.515.915.214.915.013.8

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value591859265910676867077121688071407660
Percentage of AvailableForSaleSecuritiesDebtSecurities16.616.416.419.520.622.321.923.226.9

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value332835533672375936213405321529132644
Percentage of AvailableForSaleSecuritiesDebtSecurities9.39.810.210.811.110.710.29.59.3

us-gaap:AvailableForSaleSecuritiesEquitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value14131756186020501839184519981900194719921941216721212041193618111749163915121557153015221636174018381572808677
Percentage of AvailableForSaleSecuritiesEquitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value13941734183920351827183218851776179117841804170716661591148814101344122311371226120912001323142615131291536450
Percentage of AvailableForSaleSecuritiesEquitySecurities98.798.798.999.399.399.394.393.592.089.692.978.878.578.076.977.976.874.675.278.779.078.880.982.082.382.166.366.5

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1922211512131313131414131213121315141212121212121212263
Percentage of AvailableForSaleSecuritiesEquitySecurities1.31.31.10.70.70.70.70.70.70.70.70.60.60.60.60.70.90.90.80.80.80.80.70.70.70.83.20.4

us-gaap:FairValueInputsLevel3



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value00000010079143194123447443437436388390402363319309310301302313269246224
Percentage of AvailableForSaleSecuritiesEquitySecurities0.00.00.00.00.00.05.04.27.39.76.320.620.921.422.521.422.324.524.020.520.220.418.417.417.017.130.433.1

us-gaap:CashAndCashEquivalentsFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-06-302011-03-312010-12-31
Value2156910985123631374512407108661026318368182431198116269145821614210430127968217105961092379837887865074957233641275147276828676548406977597909123
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-06-302011-03-312010-12-31
Value2145010837122101356212283107571022018322162491171813462145331610110386127448188105901090678657754861774727221640275117005794372247615860082568069
Percentage of CashAndCashEquivalentsFairValueDisclosure99.498.798.898.799.099.099.699.789.197.882.799.799.799.699.699.699.999.898.598.399.699.799.899.8100.096.395.994.490.688.084.388.4

us-gaap:FairValueInputsLevel2



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-06-302011-03-312010-12-31
Value1191481531831241094346199426328074941445229617118133332312103271343430791117515341054
Percentage of CashAndCashEquivalentsFairValueDisclosure0.61.31.21.31.01.00.40.310.92.217.30.30.30.40.40.40.10.21.51.70.40.30.20.20.03.74.15.69.412.015.711.6

us-gaap:DebtInstrument

us-gaap:CommercialPaper

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value121340040806973311702004423150303225435023633468041113702398729861407151532124701014112411151060901171915875400
Percentage of CommercialPaper100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtInstrumentFaceAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value506313981743999414013755135667326873416734594314172910231802334913302233064329953358631972315961801718125173471749616679167891695216897167381804016705129221286013105118601211311445120501149511340
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:DebtInstrumentFairValue

us-gaap:CommercialPaper



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1213400408069733117020044231503032254350236334680411137023987298614071515321247010141124111510609011719158754001753108516909300
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value452724507845342389273779037944
Percentage of DebtInstrumentFairValue3732.211269.51111.3558.31212.40.0

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value452724507845342389273779037944
Percentage of DebtInstrumentFairValue3732.211269.51111.3558.31212.40.0

us-gaap:DebtLongtermAndShorttermCombinedAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value5050939474436904108537151352343219933688341663106728838315473321032770330293301733552319303164717256
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value4039440278408143530035221365543353335055311623154228959296823039929337285442908727978
Percentage of DebtLongtermAndShorttermCombinedAmount80.0102.093.485.994.8103.7104.1104.191.2101.5100.494.191.589.586.488.187.6

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-31
Value30302993
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0

us-gaap:DeferredRevenueCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value250926222500201925302396238872287683226966356115647519685730156719012142173115081734197216911482183816001525124213861505118638533816122536311474138215331217
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value14001400140015001500150015001600959898
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value170020002000220020002000
Percentage of EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value725972851741724621599588591536548556552493505509508510522546547495517540537543872824839
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value284538547435428355342330280
Percentage of HeldToMaturitySecurities39.255.364.358.759.157.257.156.152.2

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value31323231311111112
Percentage of HeldToMaturitySecurities4.33.33.84.24.31.81.81.90.4

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value410402272275265255246247254
Percentage of HeldToMaturitySecurities56.641.432.037.136.641.141.142.047.4

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value11434211111011123312342331
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value000110000
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain0.00.00.025.050.00.00.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value221110000
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain18.250.033.325.050.00.00.00.00.0

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value922201111
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain81.850.066.750.00.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1100123321000000000000000
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value110000000
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss100.0100.00.00.00.00.00.00.00.0

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value000012331
Percentage of HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss0.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value735975854745725620597586590536548557553494507512511511524549551497520543539544875827847
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value556541410293273260257258260267273270275271270269265255255277275226229240229
Percentage of HeldToMaturitySecuritiesFairValue75.655.548.039.337.741.943.044.044.149.849.848.549.754.953.352.551.949.948.750.549.945.544.044.242.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value911811761771726571706644558911111013101010999
Percentage of HeldToMaturitySecuritiesFairValue12.418.620.623.823.710.511.911.911.20.70.70.90.91.61.82.12.22.02.51.81.82.01.71.71.7

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value88253268275280295269258264265271282273215228232235246256262266261282294306
Percentage of HeldToMaturitySecuritiesFairValue12.025.931.436.938.647.645.144.044.749.449.550.649.443.545.045.346.048.148.947.748.352.554.254.156.2

us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value735975854745725620597586590536548557553494507512511511524549551497520543544
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value283537547436429355342330280
Percentage of HeldToMaturitySecuritiesFairValue38.555.164.158.559.257.357.356.352.2

us-gaap:USStatesAndPoliticalSubdivisions



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value33343332321111112
Percentage of HeldToMaturitySecuritiesFairValue4.53.53.94.34.41.81.81.90.4

us-gaap:USTreasuryAndGovernment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value419404274277264254244245254
Percentage of HeldToMaturitySecuritiesFairValue57.041.432.137.236.441.040.941.847.4

us-gaap:InvestmentsFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value3636737069368033548333355325183203031302303323095230374291582837726714261972497123316207812047920914212002057021328211542124821543212192042221023207502027218750
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value22772216902093920907211391989119850193391958917871179631771017650163911650016632158231433013906138671353712040123281230512230115751181811855117261100410393104911022197999448952195439220936286648331
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value14300138001420014500143001320013800135001330012300124001260012500116009800
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit



Period End2020-03-312019-12-31
Value100000
Percentage of LineOfCredit100.00.0

us-gaap:CreditFacility, unh:CreditFacilityName

us-gaap:RevolvingCreditFacility, unh:A364day3.8billioncreditfacility



Period End2020-03-31
Value3800
Percentage of LineOfCredit38.0

us-gaap:RevolvingCreditFacility, unh:Fiveyear4.4billioncreditfacility



Period End2020-03-31
Value1800
Percentage of LineOfCredit18.0

us-gaap:RevolvingCreditFacility, unh:Threeyear4.4billioncreditfacility



Period End2020-03-31
Value4400
Percentage of LineOfCredit44.0

us-gaap:CreditFacility, unh:CreditFacilityName

us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd

us-gaap:RevolvingCreditFacility, unh:A364day3.8billioncreditfacility



Period End2020-03-31
Value0.017
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd100.0

us-gaap:RevolvingCreditFacility, unh:Fiveyear4.4billioncreditfacility



Period End2020-03-31
Value0.016
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd94.1

us-gaap:RevolvingCreditFacility, unh:Threeyear4.4billioncreditfacility



Period End2020-03-31
Value0.016
Percentage of LineOfCreditFacilityInterestRateAtPeriodEnd94.1

us-gaap:CreditFacility, unh:CreditFacilityName

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, unh:A364day3.8billioncreditfacility



Period End2020-03-31
Value3800
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:RevolvingCreditFacility, unh:Fiveyear4.4billioncreditfacility



Period End2020-03-31
Value4400
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity115.8

us-gaap:RevolvingCreditFacility, unh:Threeyear4.4billioncreditfacility



Period End2020-03-31
Value4400
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity115.8

us-gaap:LongTermDebtFairValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value553884423448141446503968836591335743496235896340293472833278190172021319034188781809717899175961766417522196861862114912144901428213149
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:OtherLongTermDebt

srt:Subsidiaries



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11001200120012001200130014001400625
Percentage of OtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

us-gaap:OtherLongTermDebtCurrent

srt:Subsidiaries



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value309322309329306229230210107
Percentage of OtherLongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value10275964010152843476316862727067726778626268267232660974997502735568656801766761605346549851894041362439983772302026142889214518871978225521421643
Percentage of OtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value174117261991220220541908176918391890218921701657166720121937174418241736157116151452138813861303126811751130769218821210
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtInstrument

us-gaap:UnsecuredDebtCurrent

unh:A2.125notesdueMarch2021



Period End2020-03-31
Value749
Percentage of UnsecuredDebtCurrent100.0

unh:A2.700NotesdueJuly2020



Period End2020-03-312019-12-31
Value15001499
Percentage of UnsecuredDebtCurrent200.30.0

unh:A3.875notesdueOctober2020



Period End2020-03-312019-12-31
Value452450
Percentage of UnsecuredDebtCurrent60.30.0

unh:A4.700notesdueFebruary2021



Period End2020-03-31
Value406
Percentage of UnsecuredDebtCurrent54.2

us-gaap:DebtInstrument

us-gaap:UnsecuredLongTermDebt

unh:A2.375notesdueAugust2024



Period End2020-03-312019-12-312019-09-302018-12-31
Value7477477460
Percentage of UnsecuredLongTermDebt100.0100.0100.00.0

unh:A2.375notesdueOctober2022Member



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value8968968958958958948948948938930
Percentage of UnsecuredLongTermDebt119.9119.9120.00.00.00.00.00.00.00.00.0

unh:A2.750notesdueFebruary2023



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value646624627622610602
Percentage of UnsecuredLongTermDebt86.583.584.00.00.00.0

unh:A2.875notesdueAugust2029



Period End2020-03-312019-12-312019-09-302018-12-31
Value110499310220
Percentage of UnsecuredLongTermDebt147.8132.9137.00.0

unh:A2.875notesdueDecember2021



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value768753755752742735
Percentage of UnsecuredLongTermDebt102.8100.8101.20.00.00.0

unh:A2.875notesdueMarch2022



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value111410871088108210631051
Percentage of UnsecuredLongTermDebt149.1145.5145.80.00.00.0

unh:A2.875notesdueMarch2023



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value797770776772758750
Percentage of UnsecuredLongTermDebt106.7103.1104.00.00.00.0

unh:A2.950notesdueOctober2027



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value9399399399399389389389379379370
Percentage of UnsecuredLongTermDebt125.7125.7125.90.00.00.00.00.00.00.00.0

unh:A3.100notesdueMarch2026



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value996996996996996995995995995995995995994
Percentage of UnsecuredLongTermDebt133.3133.3133.50.00.00.00.00.00.00.00.00.00.0

unh:A3.150notesdueJune2021



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3993993993993993993983980
Percentage of UnsecuredLongTermDebt53.453.453.50.00.00.00.00.00.0

unh:A3.350notesdueJuly2022



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value998998997997997997997996996996996996995
Percentage of UnsecuredLongTermDebt133.6133.6133.60.00.00.00.00.00.00.00.00.00.0

unh:A3.375notesdueApril2027



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value6206206196196196196196196196186186180
Percentage of UnsecuredLongTermDebt83.083.083.00.00.00.00.00.00.00.00.00.00.0

unh:A3.375notesdueNovember2021



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value510501502500493489
Percentage of UnsecuredLongTermDebt68.367.167.30.00.00.0

unh:A3.450notesdueJanuary2027



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value746746746746746746745745745745745745745
Percentage of UnsecuredLongTermDebt99.999.9100.00.00.00.00.00.00.00.00.00.00.0

unh:A3.500notesdueAugust2039



Period End2020-03-312019-12-312019-09-302018-12-31
Value1241124112410
Percentage of UnsecuredLongTermDebt166.1166.1166.40.0

unh:A3.500notesdueFebruary2024



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7467467457457457450
Percentage of UnsecuredLongTermDebt99.999.999.90.00.00.00.0

unh:A3.500notesdueJune2023



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value7477477477477477467467460
Percentage of UnsecuredLongTermDebt100.0100.0100.10.00.00.00.00.00.0

unh:A3.700notesdueAugust2049



Period End2020-03-312019-12-312019-09-302018-12-31
Value1235123512350
Percentage of UnsecuredLongTermDebt165.3165.3165.50.0

unh:A3.700notesdueDecember2025



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2982982982982982980
Percentage of UnsecuredLongTermDebt39.939.939.90.00.00.00.0

unh:A3.750notesdueJuly2025



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1991199019901990198919891989198819881987198719871986
Percentage of UnsecuredLongTermDebt266.5266.4266.80.00.00.00.00.00.00.00.00.00.0

unh:A3.750notesdueOctober2047



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value9349349339339339339339339339330
Percentage of UnsecuredLongTermDebt125.0125.0125.10.00.00.00.00.00.00.00.0

unh:A3.850notesdueJune2028



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value114311421142114211421142114211410
Percentage of UnsecuredLongTermDebt153.0152.9153.10.00.00.00.00.00.0

unh:A3.875notesdueAugust2059



Period End2020-03-312019-12-312019-09-302018-12-31
Value1229122812310
Percentage of UnsecuredLongTermDebt164.5164.4165.00.0

unh:A3.875notesdueDecember2028



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value8438438438438428420
Percentage of UnsecuredLongTermDebt112.9112.9113.00.00.00.00.0

unh:A3.950notesdueOctober2042



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value608607607607607607
Percentage of UnsecuredLongTermDebt81.481.381.40.00.00.0

unh:A4.200notesdueJanuary2047



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value738738738738738738738738738738738738737
Percentage of UnsecuredLongTermDebt98.898.898.90.00.00.00.00.00.00.00.00.00.0

unh:A4.250notesdueApril2047



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value7177177177177177177177177177177177170
Percentage of UnsecuredLongTermDebt96.096.096.10.00.00.00.00.00.00.00.00.00.0

unh:A4.250notesdueJune2048



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value133013301329132913291329132913290
Percentage of UnsecuredLongTermDebt178.0178.0178.20.00.00.00.00.00.0

unh:A4.250notesdueMarch2043



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value735735735735735734
Percentage of UnsecuredLongTermDebt98.498.498.50.00.00.0

unh:A4.450notesdueDecember2048



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1086108610861088108710870
Percentage of UnsecuredLongTermDebt145.4145.4145.60.00.00.00.0

unh:A4.625notesdueJuly2035



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value992992992992992992991991991991991991991
Percentage of UnsecuredLongTermDebt132.8132.8133.00.00.00.00.00.00.00.00.00.00.0

unh:A4.625notesdueNovember2041



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value589589589588588588
Percentage of UnsecuredLongTermDebt78.878.879.00.00.00.0

unh:A4.750notesdueJuly2045



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1973197319731973197319731972197219721972197219721972
Percentage of UnsecuredLongTermDebt264.1264.1264.50.00.00.00.00.00.00.00.00.00.0

unh:A6.500NotesDueJune2037Member



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value492492492492492492491
Percentage of UnsecuredLongTermDebt65.965.966.00.00.00.00.0

unh:A6.875notesdueFebruary2038



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value107710761076107610761076
Percentage of UnsecuredLongTermDebt144.2144.0144.20.00.00.0

unh:FloatingratenotesdueJune2021



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3493493493493493493493490
Percentage of UnsecuredLongTermDebt46.746.746.80.00.00.00.00.00.0

unh:ZeroCouponnotesdueNovember2022



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value131313131212
Percentage of UnsecuredLongTermDebt1.71.71.70.00.00.0

Line plots across dimensions of each concept

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


us-gaap:Revenues us-gaap:ConsolidationItems


us-gaap:PremiumsEarnedNet us-gaap:ConsolidationItems, us-gaap:MajorCustomers, us-gaap:StatementBusinessSegments


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents