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Unitedhealth Group Inc – ‘10-K’ for 12/31/10 – ‘XML.R56’

On:  Thursday, 2/10/11, at 4:04pm ET   ·   For:  12/31/10   ·   Accession #:  1193125-11-30615   ·   File #:  1-10864

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

 2/10/11  Unitedhealth Group Inc            10-K       12/31/10  114:19M                                    Donnelley … Solutions/FA

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.46M 
 2: EX-10.12    Form of Agreement for Deferred Stock Unit Award     HTML     49K 
 3: EX-10.13    Form of Agreement for Deferred Stock Unit Award     HTML     47K 
 4: EX-10.33    Amendment to Employment Agreement                   HTML     83K 
 6: EX-21.1     Subsidiaries of the Company                         HTML    164K 
 7: EX-23.1     Consent of Independent Registered Public            HTML     35K 
                Accounting Firm                                                  
 8: EX-24.1     Power of Attorney                                   HTML     42K 
 5: EX-12.1     Computation of Ratio of Earnings to Fixed Charges   HTML     49K 
 9: EX-31.1     Certification Pursuant to Section 302 of the        HTML     49K 
                Sarbanes-Oxley Act of 2002                                       
10: EX-32.1     Certification Pursuant to Section 906 of the        HTML     38K 
                Sarbanes-Oxley Act of 2002                                       
87: XML         IDEA XML File -- Definitions and References          XML    314K 
103: XML         IDEA XML File -- Filing Summary                      XML    384K  
98: XML.R1      Document and Entity Information                      XML    226K 
99: XML.R2      Consolidated Balance Sheets                          XML    396K 
53: XML.R3      Consolidated Balance Sheets (Parenthetical)          XML    175K 
62: XML.R4      Consolidated Statements of Operations                XML    342K 
85: XML.R5      Consolidated Statements of Changes in                XML    754K 
                Shareholders' Equity                                             
80: XML.R6      Consolidated Statements of Changes in                XML     98K 
                Shareholders' Equity (Parenthetical)                             
109: XML.R7      Consolidated Statements of Cash Flows                XML    564K  
28: XML.R8      Description of Business                              XML     60K 
79: XML.R9      Basis of Presentation, Use of Estimates and          XML    114K 
                Significant Accounting Policies                                  
24: XML.R10     Investments                                          XML    262K 
23: XML.R11     Fair Value                                           XML    195K 
52: XML.R12     Property, Equipment and Capitalized Software         XML     75K 
92: XML.R13     Goodwill and Other Intangible Assets                 XML    127K 
54: XML.R14     Medical Costs and Medical Costs Payable              XML     82K 
58: XML.R15     Commercial Paper and Long-Term Debt                  XML    159K 
74: XML.R16     Income Taxes                                         XML    140K 
114: XML.R17     Shareholders' Equity                                 XML     73K  
45: XML.R18     Share-Based Compensation                             XML    110K 
17: XML.R19     Aarp                                                 XML    136K 
61: XML.R20     Commitments and Contingencies                        XML     86K 
90: XML.R21     Segment Financial Information                        XML    218K 
35: XML.R22     Quarterly Financial Data                             XML     89K 
86: XML.R23     Schedule I                                           XML    172K 
59: XML.R24     Basis of Presentation, Use of Estimates and          XML    243K 
                Significant Accounting Policies (Policy)                         
108: XML.R25     Fair Value (Policy)                                  XML     65K  
94: XML.R26     Commercial Paper and Long-Term Debt (Policy)         XML     59K 
65: XML.R27     Aarp (Policy)                                        XML     63K 
75: XML.R28     Basis of Presentation, Use of Estimates and          XML     76K 
                Significant Accounting Policies (Tables)                         
22: XML.R29     Investments (Tables)                                 XML    297K 
26: XML.R30     Fair Value (Tables)                                  XML    194K 
38: XML.R31     Property, Equipment and Capitalized Software         XML     73K 
                (Tables)                                                         
48: XML.R32     Goodwill and Other Intangible Assets (Tables)        XML    144K 
73: XML.R33     Medical Costs and Medical Costs Payable (Tables)     XML     79K 
93: XML.R34     Commercial Paper and Long-Term Debt (Tables)         XML    171K 
20: XML.R35     Income Taxes (Tables)                                XML    155K 
29: XML.R36     Shareholders' Equity (Tables)                        XML     57K 
100: XML.R37     Share-Based Compensation (Tables)                    XML    111K  
107: XML.R38     Aarp (Tables)                                        XML    137K  
66: XML.R39     Commitments and Contingencies (Tables)               XML     64K 
111: XML.R40     Segment Financial Information (Tables)               XML    213K  
30: XML.R41     Quarterly Financial Data (Tables)                    XML     87K 
113: XML.R42     Schedule I (Tables)                                  XML    170K  
40: XML.R43     Basis of Presentation, Use of Estimates and          XML    230K 
                Significant Accounting Policies (Narrative)                      
                (Details)                                                        
18: XML.R44     Basis of Presentation, Use of Estimates and          XML    157K 
                Significant Accounting Policies (Consolidated                    
                Balance Sheet) (Details)                                         
39: XML.R45     Basis of Presentation, Use of Estimates and          XML    146K 
                Significant Accounting Policies (Useful Lives for                
                Property, Equipment and Capitalized Software)                    
                (Details)                                                        
89: XML.R46     Investments (Narrative) (Details)                    XML    185K 
106: XML.R47     Investments (Short-term and Long-term Investments)   XML    881K  
                (Details)                                                        
56: XML.R48     Investments (Fair Value of the Company's             XML    840K 
                Mortgage-backed Securities by Credit Rating and                  
                Non-U.S. Agency Mortgage-backed Securities by                    
                Origination) (Details)                                           
42: XML.R49     Investments (Amortized Cost and Fair Value of        XML    176K 
                Available-for-sale Debt Securities by Contractual                
                Maturity) (Details)                                              
71: XML.R50     Investments (Amortized Cost and Fair Value of        XML    124K 
                Held-to-maturity Debt Securities by Contractual                  
                Maturity) (Details)                                              
21: XML.R51     Investments (Fair Value of Available-for-sale        XML    620K 
                Investments with Gross Unrealized Losses by                      
                Investment Type and Length of Time that Individual               
                Securities Have Been in a Continuous Unrealized                  
                Loss Position) (Details)                                         
77: XML.R52     Investments (Mortgage Backed Securities in an        XML    306K 
                Unrealized Loss Position by Credit Rating)                       
                (Details)                                                        
43: XML.R53     Investments (Net Realized Gains (Losses), Before     XML    143K 
                Taxes) (Details)                                                 
27: XML.R54     Fair Value (Narrative) (Details)                     XML     91K 
105: XML.R55     Fair Value (Financial Assets and Liabilities,        XML   1.45M  
                Excluding AARP, Measured at Fair Value on a                      
                Recurring Basis) (Details)                                       
102: XML.R56     Fair Value (Reconciliation of Assets Measured at     XML    339K  
                Fair Value on a Recurring Basis Using Level 3                    
                Inputs) (Details)                                                
51: XML.R57     Fair Value (Summary of Fair Value and Carrying       XML    233K 
                Value for Certain Financial Instruments for Which                
                it is Practicable to Estimate Fair Value)                        
                (Details)                                                        
34: XML.R58     Property, Equipment and Capitalized Software         XML     97K 
                (Narrative) (Details)                                            
96: XML.R59     Property, Equipment and Capitalized Software         XML    155K 
                (Summary of Property, Equipment and Capitalized                  
                Software) (Details)                                              
25: XML.R60     Goodwill and Other Intangible Assets (Narrative)     XML     98K 
                (Details)                                                        
81: XML.R61     Goodwill and Other Intangible Assets (Changes in     XML    385K 
                Carrying Amount of Goodwill by Reporting Segment)                
                (Details)                                                        
78: XML.R62     Goodwill and Other Intangible Assets (Gross          XML    239K 
                Carrying Value, Accumulated Amortization and Net                 
                Carrying Value of Other Intangible Assets)                       
                (Details)                                                        
101: XML.R63     Goodwill and Other Intangible Assets (Finite-Lived   XML    207K  
                Intangible Assets Acquired in Business                           
                Combinations) (Details)                                          
97: XML.R64     Goodwill and Other Intangible Assets (Amortization   XML     87K 
                Expense Relating to Intangible Assets) (Details)                 
110: XML.R65     Medical Costs and Medical Costs Payable              XML     58K  
                (Narrative) (Details)                                            
32: XML.R66     Medical Costs and Medical Costs Payable (The         XML    179K 
                Components of the Change in Medical Costs Payable)               
                (Details)                                                        
50: XML.R67     Commercial Paper and Long-Term Debt (Narrative)      XML    820K 
                (Details)                                                        
69: XML.R68     Commercial Paper and Long-Term Debt (Commercial      XML   1.27M 
                Paper and Long-Term Debt) (Details)                              
60: XML.R69     Commercial Paper and Long-Term Debt (Maturities of   XML    110K 
                long-term debt) (Details)                                        
70: XML.R70     Commercial Paper and Long-Term Debt (Summary of      XML     97K 
                Location and Fair Value of Fair Value Hedges)                    
                (Details)                                                        
112: XML.R71     Commercial Paper and Long-Term Debt (Effect of       XML     73K  
                Changes in Fair Value of Fair Value Hedges)                      
                (Details)                                                        
33: XML.R72     Income Taxes (Narrative) (Details)                   XML    168K 
41: XML.R73     Income Taxes (Components of the provision for        XML    134K 
                income taxes) (Details)                                          
37: XML.R74     Income Taxes (Reconciliation of the tax provision    XML    237K 
                at the U.S. Federal Statutory Rate) (Details)                    
67: XML.R75     Income Taxes (Components of deferred income tax      XML    236K 
                assets and liabilities) (Details)                                
76: XML.R76     Income Taxes (Reconciliation of unrecognized tax     XML    128K 
                benefits) (Details)                                              
64: XML.R77     Shareholders' Equity (Narrative) (Details)           XML    282K 
57: XML.R78     Shareholders' Equity (Schedule of Company's          XML     86K 
                dividend payments) (Details)                                     
31: XML.R79     Share-Based Compensation (Narrative) (Details)       XML    513K 
19: XML.R80     Share-Based Compensation (Stock Option and SAR       XML    196K 
                Activity) (Details)                                              
68: XML.R81     Share-Based Compensation (Share-Based Compensation   XML    213K 
                Principal Fair Value Assumptions) (Details)                      
49: XML.R82     Share-Based Compensation (Restricted Share           XML    126K 
                Activity) (Details)                                              
63: XML.R83     Aarp (Narrative) (Details)                           XML    130K 
88: XML.R84     Aarp (AARP Program-related Assets and Liabilities)   XML    271K 
                (Details)                                                        
84: XML.R85     Aarp (AARP Program Financial Assets and              XML   1.80M 
                Liabilities Measured at Fair Value on a Recurring                
                Basis) (Details)                                                 
46: XML.R86     Commitments and Contingencies (Narrative)            XML    230K 
91: XML.R87     Commitments and Contingencies (Future Minimum        XML     95K 
                Annual Lease Payments, Net of Sublease Income,                   
                Under all Noncancelable Operating Leases)                        
                (Details)                                                        
82: XML.R88     Segment Financial Information (Narrative)            XML     85K 
                (Details)                                                        
36: XML.R89     Segment Financial Information (Details)              XML   2.99M 
55: XML.R90     Quarterly Financial Data (Quarterly Financial        XML    323K 
                Information) (Details)                                           
83: XML.R91     Schedule I (Condensed Balance Sheets) (Details)      XML    908K 
44: XML.R92     Schedule I (Condensed Statements of Operations)      XML    695K 
                (Details)                                                        
95: XML.R93     Schedule I (Condensed Statements of Cash Flows)      XML    560K 
                (Details)                                                        
47: XML.R94     Schedule I (Narrative) (Details)                     XML    123K 
104: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   2.46M  
11: EX-101.INS  XBRL Instance -- unh-20101231                        XML   3.87M 
13: EX-101.CAL  XBRL Calculations -- unh-20101231_cal                XML    297K 
14: EX-101.DEF  XBRL Definitions -- unh-20101231_def                 XML    758K 
15: EX-101.LAB  XBRL Labels -- unh-20101231_lab                      XML   1.52M 
16: EX-101.PRE  XBRL Presentations -- unh-20101231_pre               XML   1.30M 
12: EX-101.SCH  XBRL Schema -- unh-20101231                          XSD    282K 
72: ZIP         XBRL Zipped Folder -- 0001193125-11-030615-xbrl      Zip    248K

‘XML.R56’   —   Fair Value (Reconciliation of Assets Measured at Fair Value on a Recurring Basis Using Level 3 Inputs) (Details)

This Financial Report is an XBRL XML File.

                                                                                                                                                                                
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<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> -103000000 </NumericAmount>
<RoundedNumericAmount> -103 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 86000000 </NumericAmount>
<RoundedNumericAmount> 86 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 216000000 </NumericAmount>
<RoundedNumericAmount> 216 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to assets measured at fair value on a recurring basis using unobservable inputs (Level 3). </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(2) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchases (sales), net </Label>
</Row>
<Row>
<Id> 4 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 9000000 </NumericAmount>
<RoundedNumericAmount> 9 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 7000000 </NumericAmount>
<RoundedNumericAmount> 7 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 2000000 </NumericAmount>
<RoundedNumericAmount> 2 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Net unrealized gains in accumulated other comprehensive income </Label>
</Row>
<Row>
<Id> 5 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 11000000 </NumericAmount>
<RoundedNumericAmount> 11 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> -27000000 </NumericAmount>
<RoundedNumericAmount> -27 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> -54000000 </NumericAmount>
<RoundedNumericAmount> -54 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Net realized gains (losses) in investment and other income </Label>
</Row>
<Row>
<Id> 6 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 69000000 </NumericAmount>
<RoundedNumericAmount> 69 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents [net] transfers in to and out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(3) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Transfers into Level 3 </Label>
</Row>
<Row>
<Id> 7 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> true </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> periodendlabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 349000000 </NumericAmount>
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<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<RoundedNumericAmount> 432 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 366000000 </NumericAmount>
<RoundedNumericAmount> 366 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Balance at end of period </Label>
</Row>
<Row>
<Id> 8 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName/>
<ElementPrefix> na </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> na </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> true </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> http://www.unitedhealthgroup.com/taxonomy/role/disclosurefairvaluereconciliationofassetsmeasuredatfairvalueonrecurringbasisusinglevel3inputsdetails </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
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<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
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<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> false </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
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<Columns>
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<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<LabelColumn> false </LabelColumn>
<CurrencyCode> USD </CurrencyCode>
<FootnoteIndexer/>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
<MCU>
<KeyName> {us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis} : Debt Securities 1/1/2010 - 12/31/2010 USD ($) </KeyName>
<CurrencySymbol> $ </CurrencySymbol>
<contextRef>
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<EntitySchema> http://www.sec.gov/CIK </EntitySchema>
<EntityValue> 0000731766 </EntityValue>
<PeriodDisplayName/>
<PeriodType> duration </PeriodType>
<PeriodStartDate> 2010-01-01T00:00:00 </PeriodStartDate>
<PeriodEndDate> 2010-12-31T00:00:00 </PeriodEndDate>
<Segments>
<anyType xsi:type="Segment">
<IsDefaultForEntity> false </IsDefaultForEntity>
<Name/>
<IsFromEntityGroup> false </IsFromEntityGroup>
<ValueName> Debt Securities </ValueName>
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<Namespace> xbrldi </Namespace>
<Schema> http://xbrl.org/2006/xbrldi </Schema>
<DimensionInfo>
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<dimensionId> us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis </dimensionId>
<type> explicitMember </type>
</DimensionInfo>
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<Scenarios/>
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<UnitProperty>
<UnitID> Unit12 </UnitID>
<UnitType> Standard </UnitType>
<StandardMeasure>
<MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema>
<MeasureValue> USD </MeasureValue>
<MeasureNamespace> iso4217 </MeasureNamespace>
</StandardMeasure>
<Scale> 0 </Scale>
</UnitProperty>
</UPS>
<CurrencyCode> USD </CurrencyCode>
<OriginalCurrencyCode> USD </OriginalCurrencyCode>
</MCU>
<CurrencySymbol> $ </CurrencySymbol>
<Labels>
<Label Id="1" Label="Debt Securities"/>
<Label Id="2" Label="1/1/2010 - 12/31/2010"/>
</Labels>
</Columns>
<Columns>
<Id> 5 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<LabelColumn> false </LabelColumn>
<CurrencyCode> USD </CurrencyCode>
<FootnoteIndexer/>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
<MCU>
<KeyName> {us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis} : Debt Securities 1/1/2009 - 12/31/2009 USD ($) </KeyName>
<CurrencySymbol> $ </CurrencySymbol>
<contextRef>
<ContextID> Duration_1_1_2009_To_12_31_200939 </ContextID>
<EntitySchema> http://www.sec.gov/CIK </EntitySchema>
<EntityValue> 0000731766 </EntityValue>
<PeriodDisplayName/>
<PeriodType> duration </PeriodType>
<PeriodStartDate> 2009-01-01T00:00:00 </PeriodStartDate>
<PeriodEndDate> 2009-12-31T00:00:00 </PeriodEndDate>
<Segments>
<anyType xsi:type="Segment">
<IsDefaultForEntity> false </IsDefaultForEntity>
<Name/>
<IsFromEntityGroup> false </IsFromEntityGroup>
<ValueName> Debt Securities </ValueName>
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<Namespace> xbrldi </Namespace>
<Schema> http://xbrl.org/2006/xbrldi </Schema>
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<dimensionId> us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis </dimensionId>
<type> explicitMember </type>
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<Scenarios/>
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<UnitProperty>
<UnitID> Unit12 </UnitID>
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<StandardMeasure>
<MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema>
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<MeasureNamespace> iso4217 </MeasureNamespace>
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<Scale> 0 </Scale>
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<OriginalCurrencyCode> USD </OriginalCurrencyCode>
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<CurrencySymbol> $ </CurrencySymbol>
<Labels>
<Label Id="1" Label="Debt Securities"/>
<Label Id="2" Label="1/1/2009 - 12/31/2009"/>
</Labels>
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<Columns>
<Id> 6 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<LabelColumn> false </LabelColumn>
<CurrencyCode> USD </CurrencyCode>
<FootnoteIndexer/>
<hasSegments> true </hasSegments>
<hasScenarios> false </hasScenarios>
<MCU>
<KeyName> {us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis} : Debt Securities 1/1/2008 - 12/31/2008 USD ($) </KeyName>
<CurrencySymbol> $ </CurrencySymbol>
<contextRef>
<ContextID> Duration_1_1_2008_To_12_31_20084 </ContextID>
<EntitySchema> http://www.sec.gov/CIK </EntitySchema>
<EntityValue> 0000731766 </EntityValue>
<PeriodDisplayName/>
<PeriodType> duration </PeriodType>
<PeriodStartDate> 2008-01-01T00:00:00 </PeriodStartDate>
<PeriodEndDate> 2008-12-31T00:00:00 </PeriodEndDate>
<Segments>
<anyType xsi:type="Segment">
<IsDefaultForEntity> false </IsDefaultForEntity>
<Name/>
<IsFromEntityGroup> false </IsFromEntityGroup>
<ValueName> Debt Securities </ValueName>
<ValueType> us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis </ValueType>
<Namespace> xbrldi </Namespace>
<Schema> http://xbrl.org/2006/xbrldi </Schema>
<DimensionInfo>
<Id> us-gaap_DebtSecuritiesMember </Id>
<dimensionId> us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetTypeAxis </dimensionId>
<type> explicitMember </type>
</DimensionInfo>
</anyType>
</Segments>
<Scenarios/>
</contextRef>
<UPS>
<UnitProperty>
<UnitID> Unit12 </UnitID>
<UnitType> Standard </UnitType>
<StandardMeasure>
<MeasureSchema> http://www.xbrl.org/2003/iso4217 </MeasureSchema>
<MeasureValue> USD </MeasureValue>
<MeasureNamespace> iso4217 </MeasureNamespace>
</StandardMeasure>
<Scale> 0 </Scale>
</UnitProperty>
</UPS>
<CurrencyCode> USD </CurrencyCode>
<OriginalCurrencyCode> USD </OriginalCurrencyCode>
</MCU>
<CurrencySymbol> $ </CurrencySymbol>
<Labels>
<Label Id="1" Label="Debt Securities"/>
<Label Id="2" Label="1/1/2008 - 12/31/2008"/>
</Labels>
</Columns>
</OriginalInstanceReportColumns>
<Unit> Other </Unit>
<ElementDataType/>
<SimpleDataType> na </SimpleDataType>
<ElementDefenition> No definition available. </ElementDefenition>
<ElementReferences> No authoritative reference available. </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Debt Securities </Label>
</Row>
<Row>
<Id> 9 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> true </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> periodstartlabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 120000000 </NumericAmount>
<RoundedNumericAmount> 120 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Balance at beginning of period </Label>
</Row>
<Row>
<Id> 10 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<RoundedNumericAmount> 19 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<RoundedNumericAmount> 64 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 14000000 </NumericAmount>
<RoundedNumericAmount> 14 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to assets measured at fair value on a recurring basis using unobservable inputs (Level 3). </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(2) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Purchases (sales), net </Label>
</Row>
<Row>
<Id> 11 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole/>
<FootnoteIndexer/>
<Cells>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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<IsNumeric> true </IsNumeric>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
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<ElementDefenition> This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Net unrealized gains in accumulated other comprehensive income </Label>
</Row>
<Row>
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<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<RoundedNumericAmount> 2 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
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<IsNumeric> true </IsNumeric>
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<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<CurrencySymbol/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
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<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
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<ElementDefenition> This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Net realized gains (losses) in investment and other income </Label>
</Row>
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<Id> 13 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> duration </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsEndingBalance> false </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> terselabel </PreferredLabelRole>
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<Cell>
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<DisplayZeroAsNone> false </DisplayZeroAsNone>
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<NonNumericTextHeader/>
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<NonNumericTextHeader/>
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</Cell>
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<NonNumericTextHeader/>
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<hasScenarios> false </hasScenarios>
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<OriginalInstanceReportColumns/>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(3) </ElementReferences>
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<IsEPS> false </IsEPS>
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<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
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<ShortDefinition> No definition available. </ShortDefinition>
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<IsSegmentTitle> false </IsSegmentTitle>
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<IsCalendarTitle> false </IsCalendarTitle>
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<FootnoteIndexer/>
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<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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<IsNumeric> true </IsNumeric>
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<NonNumericTextHeader/>
<FootnoteIndexer/>
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<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
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</Cells>
<OriginalInstanceReportColumns/>
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<ElementDefenition> This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Balance at end of period </Label>
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<Row>
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<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName/>
<ElementPrefix> na </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> na </BalanceType>
<PeriodType> na </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> true </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
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<IsBeginningBalance> false </IsBeginningBalance>
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<IsReverseSign> false </IsReverseSign>
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<FootnoteIndexer/>
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<ElementReferences> No authoritative reference available. </ElementReferences>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c </ElementReferences>
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<ElementPrefix> us-gaap </ElementPrefix>
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<BalanceType> debit </BalanceType>
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<ShortDefinition> No definition available. </ShortDefinition>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(2) </ElementReferences>
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<ShortDefinition> No definition available. </ShortDefinition>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
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<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(1) </ElementReferences>
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<ShortDefinition> No definition available. </ShortDefinition>
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<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 0 </NumericAmount>
<RoundedNumericAmount> 0 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 21000000 </NumericAmount>
<RoundedNumericAmount> 21 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> false </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents [net] transfers in to and out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c(3) </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Transfers into Level 3 </Label>
</Row>
<Row>
<Id> 21 </Id>
<IsAbstractGroupTitle> false </IsAbstractGroupTitle>
<Level> 0 </Level>
<ElementName> us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue </ElementName>
<ElementPrefix> us-gaap </ElementPrefix>
<IsBaseElement> true </IsBaseElement>
<BalanceType> debit </BalanceType>
<PeriodType> instant </PeriodType>
<ShortDefinition> No definition available. </ShortDefinition>
<IsReportTitle> false </IsReportTitle>
<IsSegmentTitle> false </IsSegmentTitle>
<IsSubReportEnd> false </IsSubReportEnd>
<IsCalendarTitle> false </IsCalendarTitle>
<IsTuple> false </IsTuple>
<IsEquityPrevioslyReportedAsRow> false </IsEquityPrevioslyReportedAsRow>
<IsEquityAdjustmentRow> false </IsEquityAdjustmentRow>
<IsBeginningBalance> false </IsBeginningBalance>
<IsEndingBalance> true </IsEndingBalance>
<IsReverseSign> false </IsReverseSign>
<PreferredLabelRole> periodendlabel </PreferredLabelRole>
<FootnoteIndexer/>
<Cells>
<Cell>
<Id> 1 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 208000000 </NumericAmount>
<RoundedNumericAmount> 208 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> true </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 2 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 312000000 </NumericAmount>
<RoundedNumericAmount> 312 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> true </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
<Cell>
<Id> 3 </Id>
<IsNumeric> true </IsNumeric>
<IsRatio> false </IsRatio>
<DisplayZeroAsNone> false </DisplayZeroAsNone>
<NumericAmount> 304000000 </NumericAmount>
<RoundedNumericAmount> 304 </RoundedNumericAmount>
<NonNumbericText/>
<NonNumericTextHeader/>
<FootnoteIndexer/>
<CurrencyCode/>
<CurrencySymbol/>
<IsIndependantCurrency> false </IsIndependantCurrency>
<ShowCurrencySymbol> true </ShowCurrencySymbol>
<DisplayDateInUSFormat> false </DisplayDateInUSFormat>
<hasSegments> false </hasSegments>
<hasScenarios> false </hasScenarios>
</Cell>
</Cells>
<OriginalInstanceReportColumns/>
<Unit> Monetary </Unit>
<ElementDataType> xbrli:monetaryItemType </ElementDataType>
<SimpleDataType> monetary </SimpleDataType>
<ElementDefenition> This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. </ElementDefenition>
<ElementReferences> Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph c </ElementReferences>
<IsTotalLabel> false </IsTotalLabel>
<IsEPS> false </IsEPS>
<Label> Balance at end of period </Label>
</Row>
</Rows>
<Footnotes/>
<NumberOfCols> 3 </NumberOfCols>
<NumberOfRows> 20 </NumberOfRows>
<ReportName> Fair Value (Reconciliation of Assets Measured at Fair Value on a Recurring Basis Using Level 3 Inputs) (Details) (USD $) </ReportName>
<MonetaryRoundingLevel> Millions </MonetaryRoundingLevel>
<SharesRoundingLevel> UnKnown </SharesRoundingLevel>
<PerShareRoundingLevel> UnKnown </PerShareRoundingLevel>
<ExchangeRateRoundingLevel> UnKnown </ExchangeRateRoundingLevel>
<HasCustomUnits> false </HasCustomUnits>
<SharesShouldBeRounded> true </SharesShouldBeRounded>
</InstanceReport>

2 Subsequent Filings that Reference this Filing

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

 6/05/11  SEC                               UPLOAD10/06/17    1:46K  Unitedhealth Group Inc.
 4/27/11  SEC                               UPLOAD10/06/17    1:67K  Unitedhealth Group Inc.
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Filing Submission 0001193125-11-030615   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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