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| <link:definition> 2433404 - Disclosure - Income Tax Reconciliation of the tax provision at the U.S. Federal Statutory Rate (Details) </link:definition> |
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| <link:definition> 2433405 - Disclosure - Income Taxes Components of Deferred Tax Assets and Liabilities (Details) </link:definition> |
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| <link:definition> 2433402 - Disclosure - Income Taxes (Narrative) (Details) </link:definition> |
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| <link:definition> 2133100 - Disclosure - Income Taxes (Notes) </link:definition> |
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| <link:definition> 2433406 - Disclosure - Income Taxes Reconciliation of the beginning and ending amount of unrecognized tax benefits (Details) </link:definition> |
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| <link:definition> 2433403 - Disclosure - Income Taxes Reconciliation of Provision for Income Taxes (Details) </link:definition> |
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| <link:definition> 2333301 - Disclosure - Income Taxes (Tables) </link:definition> |
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| <link:definition> 2424404 - Disclosure - Investments (Amortized Cost and Fair Value of Available-for-Sale Debt Securities by Contractual Maturity) (Details) </link:definition> |
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| <link:definition> 2424405 - Disclosure - Investments (Fair Value of Available-For-Sale Investments with Gross Unrealized Losses by Investment Type and Length of Time That Individual Securities Have Been in a Continuous Unrealized Loss Position) (Details) </link:definition> |
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| <link:definition> 2424402 - Disclosure - Investments (Narrative) (Details) </link:definition> |
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| <link:definition> 2124100 - Disclosure - Investments (Notes) </link:definition> |
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| <link:definition> 2424403 - Disclosure - Investments (Short-Term and Long-Term Investments) (Details) </link:definition> |
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| <link:definition> 2324301 - Disclosure - Investments (Tables) </link:definition> |
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| <link:definition> 2431404 - Disclosure - Medical Costs Payable, Incurred and Paid Medical Cost Development (Details) </link:definition> |
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| <link:definition> 2431402 - Disclosure - Medical Costs Payable (Narrative) (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2131101 - Disclosure - Medical Costs Payable (Notes) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2431403 - Disclosure - Medical Costs Payable Rollforward (Details) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2331300 - Disclosure - Medical Costs Payable (Tables) </link:definition> |
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| <link:usedOn> link:calculationLink </link:usedOn> |
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| <link:definition> 2429402 - Disclosure - Property, Plant, and Capitalized Software (Narrative) (Details) </link:definition> |
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| <link:definition> 2129100 - Disclosure - Property, Plant, and Capitalized Software (Notes) </link:definition> |
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| <link:definition> 2429403 - Disclosure - Property, Plant, and Capitalized Software Property Plant and Equipment Table (Details) </link:definition> |
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| <link:definition> 2329301 - Disclosure - Property, Plant, and Capitalized Software (Tables) </link:definition> |
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| <link:definition> 2438402 - Disclosure - Quarterly Financial Data (Unaudited) (Details) </link:definition> |
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| <link:definition> 2138100 - Disclosure - Quarterly Financial Data (Unaudited) (Notes) </link:definition> |
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| | | <link:roleType id="QuarterlyFinancialDataUnauditedTables" roleURI="http://www.uhc.com/role/QuarterlyFinancialDataUnauditedTables"> |
| <link:definition> 2338301 - Disclosure - Quarterly Financial Data (Unaudited) (Tables) </link:definition> |
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| <link:definition> 2439405 - Disclosure - Schedule I Balance Sheet Document (Details) </link:definition> |
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| <link:definition> 2439404 - Disclosure - Schedule I Condensed Balance Sheets (Details) </link:definition> |
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| <link:definition> 2439406 - Disclosure - Schedule I Condensed Statement of Comprehensive Income (Details) </link:definition> |
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| <link:definition> 2439403 - Disclosure - Schedule I (Details) </link:definition> |
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| <link:definition> 2439408 - Disclosure - Schedule I Maturities of Commercial Paper and Long-Term Debt (Details) </link:definition> |
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| <link:definition> 2437403 - Disclosure - Segment Financial Information (Details) </link:definition> |
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| <link:definition> 2137100 - Disclosure - Segment Financial Information (Notes) </link:definition> |
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| <link:definition> 2337301 - Disclosure - Segment Financial Information (Tables) </link:definition> |
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| <link:definition> 2435402 - Disclosure - Share-Based Compensation (Narrative) (Details) </link:definition> |
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| <xsd:element abstract="true" id="unh_A2.875SeniorUnsecuredNotesDueDecember2021Member" name="A2.875SeniorUnsecuredNotesDueDecember2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A2.950notesdueOctober2027Member" name="A2.950notesdueOctober2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A2750SeniorUnsecuredNotesDueFebruary2023Member" name="A2750SeniorUnsecuredNotesDueFebruary2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A2875SeniorUnsecuredNotesDueMarch2023Member" name="A2875SeniorUnsecuredNotesDueMarch2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.100notesdueMarch2026Member" name="A3.100notesdueMarch2026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.150notesdueJune2021Member" name="A3.150notesdueJune2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.350SeniorUnsecuredNotesdueJuly2022Member" name="A3.350SeniorUnsecuredNotesdueJuly2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.375notesdueApril2027Member" name="A3.375notesdueApril2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.450notesdueJanuary2027Member" name="A3.450notesdueJanuary2027Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.500notesdueFebruary2024Member" name="A3.500notesdueFebruary2024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.500notesdueJune2023Member" name="A3.500notesdueJune2023Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.700notesdueDecember2025Member" name="A3.700notesdueDecember2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.750notesdueJuly2025Member" name="A3.750notesdueJuly2025Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.750notesdueOctober2047Member" name="A3.750notesdueOctober2047Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.850notesdueJune2028Member" name="A3.850notesdueJune2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3.875notesdueDecember2028Member" name="A3.875notesdueDecember2028Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A364Day3.0BillionCreditFacilityMember" name="A364Day3.0BillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A3950SeniorUnsecuredNotesDueOctober2042Member" name="A3950SeniorUnsecuredNotesDueOctober2042Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.200notesdueJanuary2047Member" name="A4.200notesdueJanuary2047Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.250notesdueApril2047Member" name="A4.250notesdueApril2047Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.250notesdueJune2048Member" name="A4.250notesdueJune2048Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.450notesdueDecember2048Member" name="A4.450notesdueDecember2048Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.625notesdueJuly2035Member" name="A4.625notesdueJuly2035Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4.750notesdueJuly2045Member" name="A4.750notesdueJuly2045Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A4250SeniorUnsecuredNotesDueMarch2043Member" name="A4250SeniorUnsecuredNotesDueMarch2043Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A6.500NotesDueJune2037MemberMember" name="A6.500NotesDueJune2037MemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_A6.625NotesdueNovember2037Member" name="A6.625NotesdueNovember2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_AARPAssetsUnderManagementPolicyTextBlock" name="AARPAssetsUnderManagementPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_AarpAssetsUnderManagement" name="AarpAssetsUnderManagement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_BasisofpresentationAbstract" name="BasisofpresentationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_Capitalcontributionstosubsidiaries" name="Capitalcontributionstosubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_CapitalizedsoftwareMember" name="CapitalizedsoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_CmsSubsidiesMember" name="CmsSubsidiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_CreditFacilityNameAxis" name="CreditFacilityNameAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_CreditFacilityNameDomain" name="CreditFacilityNameDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_DebtAbstract" name="DebtAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_DeferredTaxAssetOtherDomestic" name="DeferredTaxAssetOtherDomestic" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_DeferredTaxAssetOtherForeign" name="DeferredTaxAssetOtherForeign" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_DeferredTaxAssetsDeferredTaxExpenseLongtermliabilities" name="DeferredTaxAssetsDeferredTaxExpenseLongtermliabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsForeign" name="DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsForeign" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_DescriptionofBusinessAbstract" name="DescriptionofBusinessAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_DisclosureonGeographicAreasPercentageofLongLivedAssets" name="DisclosureonGeographicAreasPercentageofLongLivedAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_DisclosureonGeographicAreasPercentageofRevenuefromExternalCustomers" name="DisclosureonGeographicAreasPercentageofRevenuefromExternalCustomers" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_DividendFrequencyAxis" name="DividendFrequencyAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_DividendFrequencyDomain" name="DividendFrequencyDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_EffectiveIncomeTaxRateReconciliationNonrefundableHealthInsuranceIndustryTaxExpenseAmount" name="EffectiveIncomeTaxRateReconciliationNonrefundableHealthInsuranceIndustryTaxExpenseAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="unh_EffectiveIncomeTaxRateReconciliationNonrefundableHealthInsuranceIndustryTaxExpensePercent" name="EffectiveIncomeTaxRateReconciliationNonrefundableHealthInsuranceIndustryTaxExpensePercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_EffectiveIncomeTaxRateReconciliationShareBasedAwardsExcessTaxBenefitAmount" name="EffectiveIncomeTaxRateReconciliationShareBasedAwardsExcessTaxBenefitAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element id="unh_EffectiveIncomeTaxRateReconciliationShareBasedAwardsExcessTaxBenefitPercent" name="EffectiveIncomeTaxRateReconciliationShareBasedAwardsExcessTaxBenefitPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_EmployeeStockPurchasePlanESPPMember" name="EmployeeStockPurchasePlanESPPMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_EquityinNetAssetsofSubsidiaries" name="EquityinNetAssetsofSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_ExternalCustomersMember" name="ExternalCustomersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ExtraordinaryDividendsMember" name="ExtraordinaryDividendsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FairValueAbstract" name="FairValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_FairValueAdjustmentsForNonfinancialAssetsAndLiabilitiesMeasuredAtFairValueOrFinancialAssetsandLiabilitiesNonRecurringBasis" name="FairValueAdjustmentsForNonfinancialAssetsAndLiabilitiesMeasuredAtFairValueOrFinancialAssetsandLiabilitiesNonRecurringBasis" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FivePointEightPercentSeniorUnsecuredNotesDueMarchTwoThousandThirtySixMember" name="FivePointEightPercentSeniorUnsecuredNotesDueMarchTwoThousandThirtySixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FivePointNineFiveSeniorUnsecuredNotesDueFebrurary2041Member" name="FivePointNineFiveSeniorUnsecuredNotesDueFebrurary2041Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FivePointSevenPercentSeniorUnsecuredNotesDueOctoberTwoThousandFortyMember" name="FivePointSevenPercentSeniorUnsecuredNotesDueOctoberTwoThousandFortyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FiveYear3.5BillionCreditFacilityMember" name="FiveYear3.5BillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FloatingratenotesdueJune2021Member" name="FloatingratenotesdueJune2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FloatingratenotesdueOctober2020Member" name="FloatingratenotesdueOctober2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FourPointSevenPercentageSeniorUnsecuredNotesDueFebruaryTwoThousandTwentyOneMember" name="FourPointSevenPercentageSeniorUnsecuredNotesDueFebruaryTwoThousandTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FourPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2041Member" name="FourPointSixTwoFivePercentSeniorUnsecuredNotesDueNovember2041Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2042Member" name="FourPointThreeSevenFivePercentSeniorUnsecuredNotesDueMarch2042Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_GoodwillandIntangibleAssetsAbstract" name="GoodwillandIntangibleAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_IncomeTaxAbstract" name="IncomeTaxAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_IntersegmentMember" name="IntersegmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_InvestmentsAmortizedCost" name="InvestmentsAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_InvestmentsGrossUnrealizedGains" name="InvestmentsGrossUnrealizedGains" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_InvestmentsGrossUnrealizedLosses" name="InvestmentsGrossUnrealizedLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element id="unh_LossofParentCompany" name="LossofParentCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_MedicalCostsAndMedicalCostsPayableAxis" name="MedicalCostsAndMedicalCostsPayableAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_MedicalCostsAndMedicalCostsPayableDomain" name="MedicalCostsAndMedicalCostsPayableDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_NOLsExpirationBeginning2022Through2037Member" name="NOLsExpirationBeginning2022Through2037Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_NOLsIndefiniteCarryforwardMember" name="NOLsIndefiniteCarryforwardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_NonredeemablenoncontrollinginterestsMember" name="NonredeemablenoncontrollinginterestsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_NumberOfDaysNoticeRequiredToCancelHealthInsuranceContract" name="NumberOfDaysNoticeRequiredToCancelHealthInsuranceContract" nillable="true" substitutionGroup="xbrli:item" type="us-types:durationStringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_OptumhealthMember" name="OptumhealthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_OptuminsightMember" name="OptuminsightMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_OptumrxMember" name="OptumrxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_OtherLiabilitiesCurrentPolicyTextBlock" name="OtherLiabilitiesCurrentPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_OtherShareBasedCompensationDataAbstract" name="OtherShareBasedCompensationDataAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_PaymentstobemadetoAcquireBusinessesGross" name="PaymentstobemadetoAcquireBusinessesGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_PharmaceuticalManufacturerRebatesReceivableMember" name="PharmaceuticalManufacturerRebatesReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_PharmaceuticalmanufacturerrebatesreceivableAxis" name="PharmaceuticalmanufacturerrebatesreceivableAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_PharmaceuticalmanufacturerrebatesreceivableDomain" name="PharmaceuticalmanufacturerrebatesreceivableDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ProductsandservicesMember" name="ProductsandservicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_PropertyPlantandEquipmentExcludingCapitalizedComputerSoftwareNet" name="PropertyPlantandEquipmentExcludingCapitalizedComputerSoftwareNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_QuarterlyFinancialDataUnauditedAbstract" name="QuarterlyFinancialDataUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_QuarterlyFinancialDataUnauditedMember" name="QuarterlyFinancialDataUnauditedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_QuarterlyfinancialdataAxis" name="QuarterlyfinancialdataAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_QuarterlyfinancialdataDomain" name="QuarterlyfinancialdataDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_RedeemableNoncontrollingInterestsMember" name="RedeemableNoncontrollingInterestsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_RevenuesMember" name="RevenuesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_SalesRevenueProductsNet" name="SalesRevenueProductsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element id="unh_SalesRevenuesServicesNet" name="SalesRevenuesServicesNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ScheduleIAbstract" name="ScheduleIAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ScheduleIBalanceSheetParentheticalAbstract" name="ScheduleIBalanceSheetParentheticalAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ScheduleIMaturitiesofCommercialPaperandLongTermDebtAbstract" name="ScheduleIMaturitiesofCommercialPaperandLongTermDebtAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ShareRepurchasesTable" name="ShareRepurchasesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ShareRepurchasesTableLineItems" name="ShareRepurchasesTableLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ShareholdersEquityAbstract" name="ShareholdersEquityAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_ShortdurationInsuranceContractsHistoricalClaimsDurationFirst90Days" name="ShortdurationInsuranceContractsHistoricalClaimsDurationFirst90Days" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_SixPointEightSevenFivePercentSeniorUnsecuredNotesDueFebruray2038Member" name="SixPointEightSevenFivePercentSeniorUnsecuredNotesDueFebruray2038Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_SixPointZeroSeniorUnsecuredNotesDueFebruaryTwoThousandEighteenMember" name="SixPointZeroSeniorUnsecuredNotesDueFebruaryTwoThousandEighteenMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_StockOptionsAndSarsMemberMember" name="StockOptionsAndSarsMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_SupplementalscheduleofnoncashinvestingactivitiesAbstract" name="SupplementalscheduleofnoncashinvestingactivitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_SuretyBondsOutstanding" name="SuretyBondsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueOctober2020Member" name="ThreePointEightSevenFivePercentSeniorUnsecuredNotesDueOctober2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ThreePointThreeSevenFivePercentSeniorUnsecuredNotesDueNovember2021Member" name="ThreePointThreeSevenFivePercentSeniorUnsecuredNotesDueNovember2021Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ThreeYear3.5BillionCreditFacilityMember" name="ThreeYear3.5BillionCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_TotalOptumMember" name="TotalOptumMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_TrademarksandTechnologyMember" name="TrademarksandTechnologyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_TwoPointEightSevenFiveSeniorUnsecuredNotesDueMarch2022Member" name="TwoPointEightSevenFiveSeniorUnsecuredNotesDueMarch2022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element id="unh_UndrawnLettersOfCredit" name="UndrawnLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/> |
| <xsd:element abstract="true" id="unh_UnitedhealthcareMember" name="UnitedhealthcareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_UsefulLifeMember" name="UsefulLifeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| <xsd:element abstract="true" id="unh_ZeroCouponSeniorUnsecuredNotesDueNovemberTwoThousandTwentyTwoMember" name="ZeroCouponSeniorUnsecuredNotesDueNovemberTwoThousandTwentyTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/> |
| </xsd:schema> |