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Unitedhealth Group Inc – ‘10-Q’ for 9/30/10 – ‘XML’

On:  Wednesday, 11/3/10, at 4:08pm ET   ·   For:  9/30/10   ·   Accession #:  1193125-10-246111   ·   File #:  1-10864

Previous ‘10-Q’:  ‘10-Q’ on 8/5/10 for 6/30/10   ·   Next:  ‘10-Q’ on 5/3/11 for 3/31/11   ·   Latest:  ‘10-Q’ on 5/9/24 for 3/31/24   ·   2 References:   

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

11/03/10  Unitedhealth Group Inc            10-Q        9/30/10   83:13M                                    Donnelley … Solutions/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    842K 
 2: EX-10.1     Fourth Amendment to Unitedhealth Group Executive    HTML     33K 
                Savings Plan                                                     
 3: EX-10.2     First Amendment to Unitedhealth Group Directors'    HTML     31K 
                Compensation Deferral Plan                                       
 4: EX-12.1     Ratio of Earnings to Fixed Charges                  HTML     35K 
 5: EX-31.1     Certifications Pursuant to Section 302 of the       HTML     40K 
                Sarbanes-Oxley Act of 2002                                       
 6: EX-32.1     Certifications Pursuant to Section 906 of the       HTML     29K 
                Sarbanes-Oxley Act of 2002                                       
60: XML         IDEA XML File -- Definitions and References          XML    204K 
73: XML         IDEA XML File -- Filing Summary                      XML    296K 
68: XML.R1      Document and Entity Information                      XML    137K 
69: XML.R2      Condensed Consolidated Balance Sheets                XML    355K 
40: XML.R3      Condensed Consolidated Balance Sheets                XML    117K 
                (Parenthetical)                                                  
46: XML.R4      Condensed Consolidated Statements of Operations      XML    352K 
58: XML.R5      Condensed Consolidated Statements of Changes in      XML    470K 
                Shareholders' Equity                                             
56: XML.R6      Condensed Consolidated Statements of Changes in      XML     92K 
                Shareholders' Equity (Parenthetical)                             
79: XML.R7      Condensed Consolidated Statements of Cash Flows      XML    362K 
23: XML.R8      Basis of Presentation, Use of Estimates and          XML     51K 
                Significant Accounting Policies                                  
55: XML.R9      Investments                                          XML    411K 
19: XML.R10     Fair Value                                           XML    190K 
18: XML.R11     Medicare Part D Pharmacy Benefits Contract           XML     56K 
39: XML.R12     Goodwill and Other Intangible Assets                 XML     65K 
63: XML.R13     Medical Costs and Medical Costs Payable              XML     50K 
41: XML.R14     Commercial Paper and Long-Term Debt                  XML    150K 
43: XML.R15     Income Taxes                                         XML     48K 
51: XML.R16     Shareholders' Equity                                 XML     59K 
83: XML.R17     Share-Based Compensation                             XML     96K 
34: XML.R18     Aarp                                                 XML    123K 
13: XML.R19     Comprehensive Income                                 XML     64K 
45: XML.R20     Segment Financial Information                        XML    220K 
62: XML.R21     Commitments and Contingencies                        XML     62K 
28: XML.R22     Basis of Presentation, Use of Estimates and          XML     58K 
                Significant Accounting Policies (Policy)                         
59: XML.R23     Fair Value (Policy)                                  XML     53K 
44: XML.R24     Commercial Paper and Long-Term Debt (Policy)         XML     56K 
78: XML.R25     Aarp (Policy)                                        XML     50K 
65: XML.R26     Commitment and Contingencies (Policy)                XML     46K 
47: XML.R27     Investments (Tables)                                 XML    433K 
52: XML.R28     Fair Value (Tables)                                  XML    185K 
17: XML.R29     Medicare Part D Pharmacy Benefits Contract           XML     54K 
                (Tables)                                                         
21: XML.R30     Goodwill and Other Intangible Assets (Tables)        XML     62K 
29: XML.R31     Commercial Paper and Long-Term Debt (Tables)         XML    151K 
36: XML.R32     Shareholders' Equity (Tables)                        XML     53K 
50: XML.R33     Share-Based Compensation (Tables)                    XML     98K 
64: XML.R34     Aarp (Tables)                                        XML    123K 
15: XML.R35     Comprehensive Income (Tables)                        XML     61K 
24: XML.R36     Segment Financial Information (Tables)               XML    210K 
70: XML.R37     Investments (Narrative) (Details)                    XML    137K 
77: XML.R38     Investments (Short-term and Long-term Investments)   XML    755K 
                (Details)                                                        
48: XML.R39     Investments (Fair Value of the Company's             XML    496K 
                Mortgage-backed Securities by Credit Rating and                  
                Non-U.S. Agency Mortgage-backed Securities by                    
                Origination) (Details)                                           
81: XML.R40     Investments (Amortized Cost and Fair Value of        XML    153K 
                Available-for-sale Debt Securities by Contractual                
                Maturity) (Details)                                              
25: XML.R41     Investments (Amortized Cost and Fair Value of        XML    108K 
                Held-to-maturity Debt Securities by Contractual                  
                Maturity) (Details)                                              
82: XML.R42     Investments (Fair Value of Available-for-sale        XML    524K 
                Investments with Gross Unrealized Losses by                      
                Investment Type and Length of Time That Individual               
                Securities Have Been in a Continuous Unrealized                  
                Loss Position) (Details)                                         
31: XML.R43     Investments (Net Realized Gains, Before Taxes)       XML    140K 
                (Details)                                                        
14: XML.R44     Fair Value (Narrative) (Details)                     XML    116K 
30: XML.R45     Fair Value (Financial Assets and Liabilities,        XML   1.19M 
                Excluding AARP, Measured at Fair Value on a                      
                Recurring basis) (Details)                                       
61: XML.R46     Fair Value (Reconciliation of Assets Measured at     XML    306K 
                Fair Value on a Recurring Basis Using Level 3                    
                Inputs) (Details)                                                
76: XML.R47     Fair Value (Summary of Fair Value and Carrying       XML    123K 
                Value for Certain Financial Instruments for Which                
                it is Practicable to Estimate Fair Value)                        
                (Details)                                                        
42: XML.R48     Medicare Part D Pharmacy Benefits Contract           XML    128K 
                (Condensed Consolidated Balance Sheets Amounts of                
                Medicare Part D Program) (Details)                               
32: XML.R49     Goodwill and Other Intangible Assets (Changes in     XML    214K 
                Carrying Amount of Goodwill by Segment) (Details)                
49: XML.R50     Goodwill and Other Intangible Assets (Narrative)     XML     46K 
                (Details)                                                        
16: XML.R51     Medical Costs and Medical Costs Payable              XML    123K 
                (Narrative) (Details)                                            
53: XML.R52     Commercial Paper and Long-Term Debt (Narrative)      XML    341K 
                (Details)                                                        
33: XML.R53     Commercial Paper and Long-Term Debt (Commercial      XML   1.00M 
                Paper and Long-Term Debt) (Details)                              
22: XML.R54     Commercial Paper and Long-Term Debt (Summary of      XML     60K 
                Location and Fair Value of Fair Value Hedges)                    
                (Details)                                                        
75: XML.R55     Commercial Paper and Long-Term Debt (Effect of       XML    112K 
                Changes in Fair Value of Fair Value Hedges)                      
                (Details)                                                        
72: XML.R56     Income Taxes (Narrative) (Details)                   XML     79K 
38: XML.R57     Shareholders' Equity (Narrative) (Details)           XML     71K 
27: XML.R58     Shareholders' Equity (Schedule of Dividends)         XML    111K 
                (Details)                                                        
66: XML.R59     Share-Based Compensation (Narrative) (Details)       XML    414K 
20: XML.R60     Share-Based Compensation (Stock Option and SAR       XML    176K 
                Activity) (Details)                                              
57: XML.R61     Share-Based Compensation (Share-Based Compensation   XML    227K 
                Principal Fair Value Assumptions) (Details)                      
54: XML.R62     Share-Based Compensation (Restricted Share           XML    110K 
                Activity) (Details)                                              
71: XML.R63     Aarp (AARP Program-related Assets and Liabilities)   XML    180K 
                (Details)                                                        
67: XML.R64     Aarp (AARP Program Financial Assets and              XML   1.52M 
                Liabilities Measured at Fair Value on a Recurring                
                Basis) (Details)                                                 
80: XML.R65     Comprehensive Income (Comprehensive Income)          XML    158K 
                (Details)                                                        
26: XML.R66     Segment Financial Information (Details)              XML    784K 
37: XML.R67     Commitments And Contingencies (Narrative)            XML     65K 
                (Details)                                                        
74: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   2.02M 
 7: EX-101.INS  XBRL Instance -- unh-20100930                        XML   3.32M 
 9: EX-101.CAL  XBRL Calculations -- unh-20100930_cal                XML    220K 
10: EX-101.DEF  XBRL Definitions -- unh-20100930_def                 XML    488K 
11: EX-101.LAB  XBRL Labels -- unh-20100930_lab                      XML   1.01M 
12: EX-101.PRE  XBRL Presentations -- unh-20100930_pre               XML    852K 
 8: EX-101.SCH  XBRL Schema -- unh-20100930                          XSD    197K 
35: ZIP         XBRL Zipped Folder -- 0001193125-10-246111-xbrl      Zip    171K

‘XML’   —   IDEA XML File — Definitions and References

This Document is an XBRL XML File.

                                                                                                                                                                                
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<Element Id="unh_LossContingencyProposedSettlementConsideration">
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</Element>
<Element Id="unh_MortgageBackedSecuritiesByCreditRatingAndOriginationTextBlock">
<definition> Mortgage-Backed Securities by Credit Rating and Origination. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_UnrealizedLossPositionInvestementsTextBlock">
<definition> Unrealized loss position investments. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockRepurchasedDuringPeriodShares">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DebtInstrumentInterestRateDuringPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CashAndCashEquivalentsAtCarryingValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_OtherThanTemporaryImpairmentLossesRecognizedInEarnings">
<definition> Other-than-temporary impairment losses recognized in income. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommitmentsAndContingencies2009">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesAmortizedCost">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ScheduleOfDividendsTextBlock">
<definition> Schedule of dividends [Text Block] </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_RealizedGainLossTextBlock">
<definition> This item represents the disclosure related to the realized gains and losses reported in the statements of income that have resulted from the gain or loss on investments; the gain or loss on the sale of subsidiaries/businesses; and the results of embedded derivative liabilities and the associated derivative instruments used to hedge them. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_NetCashProvidedByUsedInFinancingActivities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AdditionalSharesAuthorizedForRepurchase">
<definition> Additional shares authorized for repurchase </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_DebtInstrumentFaceAmountCashTenderPurchase">
<definition> Debt Instrument, Face Amount, Cash Tender Purchase </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecurities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SellingGeneralAndAdministrativeExpense">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecurities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ProceedsFromRepaymentsofCommercialPaper">
<definition> The net cash inflow (outflow) associated with commercial paper. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_LiabilitiesAndStockholdersEquity">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInAccountsReceivable">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendYieldUpperLimit">
<definition> Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Yield, Upper Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DebtInstrumentFaceAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommonStockDividendsPerShareCashPaid">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockholdersEquityNoteDisclosureTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_Revenues">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ScheduleOfShareBasedCompensationOptionsActivityTextBlock">
<definition> Schedule of Share-based Compensation, Options Activity. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_NumberOfBanks">
<definition> Number of Banks </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PreferredStockValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_FairValueAdjustmentsForAssetsAndLiabilitiesMeasuredAtFairValueOnNonRecurringBasis">
<definition> Fair Value Adjustments For Assets And Liabilities Measured At Fair Value On Non recurring basis </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockIssuedDuringPeriodValueNewIssues">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_LongTermDebtCurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateUpperLimit">
<definition> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Upper Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PercentageOfTotalFairValue">
<definition> Percentage of total fair value </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AarpRelatedAssetsAndLiabilitiesDisclosureTextBlock">
<definition> AARP Related Assets And Liabilities Disclosure [Text Block] </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_HeldToMaturityInvestmentsClassifiedByContractualMaturityDateTextBlock">
<definition> Held to Maturity Investments Classified by Contractual Maturity Date. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommonStockParOrStatedValuePerShare">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PlaintiffsCounselFeesAndExpensesFederalCourt">
<definition> Plaintiffs counsel fees and expenses, federal court </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueAssetsMeasuredOnRecurringBasisCashAndCashEquivalents">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_Goodwill">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_FairValueLiabilitiesMeasuredOnRecurringBasis">
<definition> Fair Value, Liabilities Measured on Recurring Basis </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInOtherDeposits">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_CurrentFiscalYearEndDate">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsOfDividendsCommonStock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_RepaymentsOfLongTermDebt">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_MarketableSecuritiesAmortizedCost">
<definition> This item represents the cost of debt and equity securities [including held-to-maturity, trading, and available for sale], net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncomeTaxExpenseBenefit">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_UseOfEstimates">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PreferredStockParOrStatedValuePerShare">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SegmentReportingInformationIntersegmentRevenue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtSecurities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockholdersEquity">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AvailableForSaleInvestmentsClassifiedByContractualMaturityDateTextBlock">
<definition> Available for Sale Investments Classified by Contractual Maturity Date. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableIntrinsicValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsedTextBlock">
<definition> For each plan, identification of the award pricing model or other valuation method used in calculating the weighted average fair values disclosed. The model is also used to calculate the compensation expense that is shown within the balance sheet, income statement, and cash flow. Examples of valuation techniques are lattice models (binomial model), closed-form models (Black-Scholes-Merton formula), and a Monte Carlo simulation technique. Fair value is the amount at which an asset (or liability) could be bought (or incurred) or sold (or settled) in a current transaction between willing parties, that is, other than in a forced or liquidation sale. May include disclosures about the assumptions underlying application of the method selected. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SalesRevenueGoodsNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SeniorNotes">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_LongTermInvestments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PercentageOfLoansInDefault">
<definition> Percentage of Loans in Default </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AssetsUnderManagement">
<definition> The Assets Under Management are primarily AARP assets that are managed separately from the general investment portfolio and are used to pay costs associated with the AARP program. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EarningsPerShareDiluted">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_FairValueAssetsMeasuredOnRecurringBasis">
<definition> Fair Value, Assets Measured on Recurring Basis </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CostsAndExpenses">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_MarketableSecuritiesUnrealizedLosses">
<definition> This item represents the unrealized loss on debt and equity securities, including held-to-maturity, trading, and available for sale. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PreferredStockSharesAuthorized">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DeferredIncomeTaxExpenseBenefit">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AvailableForSaleSecuritiesContinuousUnrealizedLossLessThanTwelveMonths">
<definition> Available-for-sale Securities, Continuous Unrealized Losses, Less than Twelve Months. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommonStockSharesAuthorized">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SalesRevenueServicesNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_OperatingIncomeLoss">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SegmentReportingSegmentAssets">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsToAcquireInvestments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_NetCashProvidedByUsedInOperatingActivities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_MarketableSecuritiesUnrealizedGains">
<definition> This item represents the unrealized gain on debt and equity securities, including held-to-maturity, trading, and available for sale. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_InterestRateSwapContractPolicyTextBlock">
<definition> Interest rate swap contract policy text block </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AccountsReceivableNetCurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_CashCashEquivalentsAndMarketableSecurities">
<definition> Cash, cash equivalents and marketable securities. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DebtInstrumentFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EffectiveIncomeTaxRateContinuingOperations">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_DocumentFiscalPeriodFocus">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ComprehensiveIncomeNetOfTax">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DeferredRevenueCurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationExercisableOptionsContractualTerm">
<definition> Share Based Compensation Exercise Price Range Exercisable Options Contractual Term </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsForRepurchaseOfCommonStock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SegmentReportingDisclosureTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PortionOfImpairmentLossRecognizedInOtherComprehensiveIncome">
<definition> Portion of impairment loss recognized in other comprehensive income. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsOfDividends">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensation">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PropertyPlantAndEquipmentNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_LongTermDebtNoncurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AarpRelatedFairValueOfAssetsAndLiabilitiesDisclosureTextBlock">
<definition> AARP Related Fair Value of Assets and Liabilities Disclosure </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_DividendPaymentDateDayMonthAndYear">
<definition> Dividend Payment Date Day Month And Year </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_DocumentType">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_OtherPolicyholderFunds">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AarpDisclosuresPolicyTextBlock">
<definition> AARP Disclosures Policy. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AssetsCurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DebtInstrumentCarryingAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendYieldLowerLimit">
<definition> Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Yield Lower Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PrepaidExpenseAndOtherAssetsCurrent">
<definition> Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, as well as, aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_InterestRateFairValueHedgeOnBalanceSheetDisclosureTextBlock">
<definition> Interest rate fair value hedge on balance sheet disclosure </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_DocumentFiscalYearFocus">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_TotalNumberOfSecurityPositions">
<definition> Total number of security positions </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ScheduleOfGoodwillTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTermLowerLimit">
<definition> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Lower Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInHealthCareInsuranceLiabilities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTermUpperLimit">
<definition> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Upper Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DividendsCash">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_FairValueDisclosuresPolicyTextBlock">
<definition> Fair Value Disclosures Policy. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInDeferredRevenue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AverageSharePriceForCommonStockRepurchases">
<definition> Average share price for common stock repurchases. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_RestrictedShareActivityDisclosureTextBlock">
<definition> Restricted Share Activity Disclosure. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_OtherAssetsNoncurrent">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_PlaintiffsCounselFeesAndExpensesStateCourt">
<definition> Plaintiffs counsel fees and expenses, state court </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommonStockSharesIssued">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PremiumsEarnedNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShortTermInvestments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_NotionalAmountOfFairValueHedgeInstruments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateLowerLimit">
<definition> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Lower Limit </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_NetCashProvidedByUsedInInvestingActivities">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueMeasuredOnRecurringBasisInvestments">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_EntityRegistrantName">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_NumberOfSecuritiesUnrealizedLossesPosition">
<definition> Number of security positions generating unrealized losses. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_MedicarePartDDisclosureTextBlock">
<definition> Medicare Part D Disclosure </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AmortizedCostGrossUnrealizedGainsAndLossesAndFairValueOfInvestmentsTableTextBlock">
<definition> Table of amortized cost, gross unrealized gains and losses, and fair value of investments. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_StockRepurchasedDuringPeriodValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PreferredStockSharesOutstanding">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueByBalanceSheetGroupingTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_PolicyholderBenefitsAndClaimsIncurredHealthCare">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateLowerLimit">
<definition> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Lower Limit </definition>
<reference> No authoritative reference available. </reference>
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<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPeriod">
<definition> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting Period </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesDebtMaturitiesFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_RetainedEarningsAccumulatedDeficit">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_SignificantAccountingPoliciesTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_IncreaseDecreaseInOtherOperatingAssets">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestTerm">
<definition> Share Based Compensation Arrangement by Share Based Payment Award, Options, Vest Term </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_MedicalCostsMedicalCostsPayableDisclosureTextBlock">
<definition> Disclosure of medical costs and medical costs payables including estimates of obligations for medical care services that have been rendered on behalf of insured consumers but for which claims have not yet been received or processed, and for liabilities for physician, hospital and other medical cost disputes. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_DepreciationAndAmortization">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="unh_AvailableForSaleSecuritiesContinuousUnrealizedLossTwelveMonthsOrLonger">
<definition> Available-for-sale Securities, Continuous Unrealized Losses, Twelve Months or Longer. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_GoodwillAcquiredDuringPeriod">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_EarningsPerShareBasic">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="dei_EntityCommonStockSharesOutstanding">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_InvestmentIncomeInterestAndDividend">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ProceedsFromIssuanceOfCommonStock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_CommonStockSharesOutstanding">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_HeldToMaturitySecuritiesUnrecognizedHoldingGains">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
<Element Id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber">
<definition> No authoritative reference available. </definition>
<reference> No authoritative reference available. </reference>
</Element>
</DefinitionAndReference>

2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/15/22  UnitedHealth Group Inc.           10-K       12/31/21  113:19M
 3/01/21  UnitedHealth Group Inc.           10-K       12/31/20  107:17M
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