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Humana Inc – ‘8-K’ for 10/20/11 – ‘EX-101.SCH’

On:  Thursday, 10/20/11, at 4:32pm ET   ·   For:  10/20/11   ·   Accession #:  1193125-11-276080   ·   File #:  1-05975

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

10/20/11  Humana Inc                        8-K:8,9    10/20/11  106:13M                                    Donnelley … Solutions/FA

Current Report   —   Form 8-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 8-K         Current Report                                      HTML     47K 
 2: EX-23       Consent of Independent Registered Public            HTML     31K 
                Accounting Firm                                                  
 3: EX-99.1     Item 1. Business With Retrospective Application of  HTML    209K 
                Segments                                                         
 4: EX-99.2     Item 6. Selected Financial Data                     HTML     92K 
 5: EX-99.3     Item 7. Management's Discussion and Analysis        HTML    598K 
 6: EX-99.4     Item 8. Financial Statements and Supplementary      HTML    828K 
                Data                                                             
23: R1          Document And Entity Information                     HTML     43K 
92: R2          Consolidated Balance Sheets                         HTML    164K 
15: R3          Consolidated Balance Sheets (Parenthetical)         HTML     53K 
16: R4          Consolidated Statements Of Income                   HTML     95K 
79: R5          Consolidated Statements Of Stockholders' Equity     HTML    119K 
45: R6          Consolidated Statements Of Stockholders' Equity     HTML     38K 
                (Parenthetical)                                                  
85: R7          Consolidated Statements Of Cash Flows               HTML    189K 
34: R8          Reporting Entity                                    HTML     37K 
47: R9          Summary Of Significant Accounting Policies          HTML     88K 
54: R10         Acquisitions                                        HTML     57K 
71: R11         Investment Securities                               HTML    144K 
28: R12         Fair Value                                          HTML    116K 
43: R13         Medicare Part D                                     HTML     41K 
36: R14         Property And Equipment, Net                         HTML     44K 
39: R15         Goodwill And Other Intangible Assets                HTML     81K 
86: R16         Benefits Payable                                    HTML     59K 
33: R17         Income Taxes                                        HTML     86K 
65: R18         Debt                                                HTML     50K 
37: R19         Derivative Financial Instruments                    HTML     43K 
91: R20         Employee Benefit Plans                              HTML     81K 
73: R21         Earnings Per Common Share Computation               HTML     50K 
80: R22         Stockholders' Equity                                HTML     38K 
21: R23         Commitments, Guarantees And Contingencies           HTML     88K 
82: R24         Segment Information                                 HTML    287K 
32: R25         Expenses Associated With Long-Duration Insurance    HTML     53K 
                Products                                                         
25: R26         Reinsurance                                         HTML     45K 
29: R27         Quarterly Financial Information                     HTML     57K 
57: R28         Summary Of Significant Accounting Policies          HTML    159K 
                (Policy)                                                         
78: R29         Acquisitions (Tables)                               HTML     43K 
64: R30         Investment Securities (Tables)                      HTML    137K 
49: R31         Fair Value (Tables)                                 HTML    109K 
42: R32         Medicare Part D (Tables)                            HTML     40K 
62: R33         Property And Equipment, Net (Tables)                HTML     43K 
90: R34         Goodwill And Other Intangible Assets (Tables)       HTML     81K 
35: R35         Benefits Payable (Tables)                           HTML     56K 
94: R36         Income Taxes (Tables)                               HTML     79K 
106: R37         Debt (Tables)                                       HTML     41K  
31: R38         Employee Benefit Plans (Tables)                     HTML     69K 
76: R39         Earnings Per Common Share Computation (Tables)      HTML     46K 
48: R40         Commitments, Guarantees And Contingencies (Tables)  HTML     55K 
63: R41         Segment Information (Tables)                        HTML    271K 
56: R42         Expenses Associated With Long-Duration Insurance    HTML     43K 
                Products (Tables)                                                
30: R43         Reinsurance (Tables)                                HTML     35K 
81: R44         Quarterly Financial Information (Tables)            HTML     52K 
103: R45         Reporting Entity (Narrative) (Details)              HTML     43K  
104: R46         Summary Of Significant Accounting Policies          HTML     40K  
                (Narrative) (Details)                                            
26: R47         Acquisitions (Narrative) (Details)                  HTML     64K 
24: R48         Acquisitions (Fair Values Of Assets Acquired And    HTML     64K 
                Liabilities Assumed At The Date Of The                           
                Acquisition) (Details)                                           
100: R49         Investment Securities (Narrative) (Details)         HTML     42K  
14: R50         Investment Securities (Investment Securities        HTML     55K 
                Classified As Current And Long-Term) (Details)                   
52: R51         Investment Securities (Gross Unrealized Losses And  HTML     68K 
                Fair Values Aggregated By Investment Category And                
                Length Of Time In Continuous Unrealized Loss                     
                Position) (Details)                                              
44: R52         Investment Securities (Detail Of Realized Gains     HTML     40K 
                (Losses) Related To Investment Securities And                    
                Included With Investment Income) (Details)                       
18: R53         Investment Securities (Contractual Maturities Of    HTML     76K 
                Debt Securities Available For Sale) (Details)                    
105: R54         Fair Value (Narrative) (Details)                    HTML     38K  
87: R55         Fair Value (Financial Assets Measured At Fair       HTML     69K 
                Value On A Recurring Basis) (Details)                            
66: R56         Fair Value (Changes In Fair Value Of Assets         HTML     50K 
                Measured Using Significant Unobservable Inputs)                  
                (Details)                                                        
101: R57         Medicare Part D (Balance Sheet Accounts Associated  HTML     38K  
                With Medicare Part D) (Details)                                  
50: R58         Property And Equipment, Net (Narrative) (Details)   HTML     38K 
88: R59         Property And Equipment, Net (Property And           HTML     53K 
                Equipment) (Details)                                             
51: R60         Goodwill And Other Intangible Assets (Narrative)    HTML     35K 
                (Details)                                                        
70: R61         Goodwill And Other Intangible Assets (Changes In    HTML     48K 
                Carrying Amount Of Goodwill By Reportable Segment)               
                (Details)                                                        
61: R62         Goodwill And Other Intangible Assets (Detail Of     HTML     47K 
                Intangible Assets Classified As Other Long-Term                  
                Assets) (Details)                                                
75: R63         Goodwill And Other Intangible Assets (Estimate Of   HTML     44K 
                Amortization Expense) (Details)                                  
53: R64         Benefits Payable (Narrative) (Details)              HTML     33K 
74: R65         Benefits Payable (Activity In Benefits Payable)     HTML     57K 
                (Details)                                                        
58: R66         Benefits Payable (Benefit Expenses Excluded From    HTML     37K 
                Activity In Benefits Payable) (Details)                          
102: R67         Income Taxes (Narrative) (Details)                  HTML     44K  
84: R68         Income Taxes (Elements That Comprise Provision For  HTML     57K 
                Income Taxes) (Details)                                          
89: R69         Income Taxes (Reconciliation Of Provision For       HTML     52K 
                Income Taxes And The Amount Computed Using The                   
                Federal Statutory Rate) (Details)                                
77: R70         Income Taxes (Principal Components Of Net Deferred  HTML     99K 
                Tax Balances) (Details)                                          
17: R71         Debt (Narrative) (Details)                          HTML     92K 
83: R72         Debt (Carrying Value Of Long-Term Debt Of           HTML     53K 
                Outstanding) (Details)                                           
38: R73         Derivative Financial Instruments (Narrative)        HTML     34K 
                (Details)                                                        
68: R74         Employee Benefit Plans (Narrative) (Details)        HTML     99K 
98: R75         Employee Benefit Plans (Stock-Based Compensation    HTML     44K 
                Expense) (Details)                                               
55: R76         Employee Benefit Plans (Weighted-Average Fair       HTML     48K 
                Value Of Stock Options) (Details)                                
27: R77         Employee Benefit Plans (Activity For Option Plans)  HTML     70K 
                (Details)                                                        
60: R78         Employee Benefit Plans (Weighted-Average Grant      HTML     64K 
                Date Fair Value Of Restricted Stock Awards)                      
                (Details)                                                        
95: R79         Earnings Per Common Share Computation (Narrative)   HTML     37K 
                (Details)                                                        
22: R80         Earnings Per Common Share Computation (Detail       HTML     69K 
                Supporting The Computation Of Basic And Diluted                  
                Earnings Per Common Share) (Details)                             
67: R81         Stockholders' Equity (Narrative) (Details)          HTML     57K 
13: R82         Commitments, Guarantees And Contingencies           HTML     44K 
                (Narrative) (Details)                                            
46: R83         Commitments, Guarantees And Contingencies (Rent     HTML     37K 
                Expense And Sublease Rental Income Associated With               
                Operating Leases) (Details)                                      
19: R84         Commitments, Guarantees And Contingencies (Future   HTML     89K 
                Annual Minimum Payments Due) (Details)                           
41: R85         Segment Information (Narrative) (Details)           HTML     39K 
72: R86         Segment Information (Segment Results) (Details)     HTML    197K 
59: R87         Expenses Associated With Long-Duration Insurance    HTML     62K 
                Products (Narrative) (Details)                                   
40: R88         Expenses Associated With Long-Duration Insurance    HTML     47K 
                Products (Schedule Of Deferred Acquisition Cost                  
                And Future Policy Benefits Payable With Our                      
                Long-Duration Insurance Products) (Details)                      
20: R89         Reinsurance (Narrative) (Details)                   HTML     46K 
69: R90         Reinsurance (Balance And Financial Rating Related   HTML     33K 
                To Reinsurers) (Details)                                         
96: R91         Quarterly Financial Information (Schedule           HTML     68K 
                Summarizing Quarterly Operation Results) (Details)               
97: XML         IDEA XML File -- Filing Summary                      XML    170K 
99: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   2.25M 
 7: EX-101.INS  XBRL Instance -- hum-20111031                        XML   3.67M 
 9: EX-101.CAL  XBRL Calculations -- hum-20111031_cal                XML    270K 
10: EX-101.DEF  XBRL Definitions -- hum-20111031_def                 XML    542K 
11: EX-101.LAB  XBRL Labels -- hum-20111031_lab                      XML   1.54M 
12: EX-101.PRE  XBRL Presentations -- hum-20111031_pre               XML   1.12M 
 8: EX-101.SCH  XBRL Schema -- hum-20111031                          XSD    258K 
93: ZIP         XBRL Zipped Folder -- 0001193125-11-276080-xbrl      Zip    243K

‘EX-101.SCH’   —   XBRL Schema — hum-20111031

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:definition> 40405 - Disclosure - Investment Securities (Contractual Maturities Of Debt Securities Available For Sale) (Details) </link:definition>
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<link:definition> 40502 - Disclosure - Fair Value (Financial Assets Measured At Fair Value On A Recurring Basis) (Details) </link:definition>
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<link:definition> 40601 - Disclosure - Medicare Part D (Balance Sheet Accounts Associated With Medicare Part D) (Details) </link:definition>
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<link:definition> 10801 - Disclosure - Goodwill And Other Intangible Assets </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 10901 - Disclosure - Benefits Payable </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 11001 - Disclosure - Income Taxes </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 11101 - Disclosure - Debt </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 11201 - Disclosure - Derivative Financial Instruments </link:definition>
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<link:definition> 11301 - Disclosure - Employee Benefit Plans </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 11401 - Disclosure - Earnings Per Common Share Computation </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 11501 - Disclosure - Stockholders' Equity </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 11601 - Disclosure - Commitments, Guarantees And Contingencies </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://www.humana.com/2010-12-31/role/DisclosureSegmentInformation" id="DisclosureSegmentInformation">
<link:definition> 11701 - Disclosure - Segment Information </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://www.humana.com/2010-12-31/role/DisclosureExpensesAssociatedWithLongDurationInsuranceProducts" id="DisclosureExpensesAssociatedWithLongDurationInsuranceProducts">
<link:definition> 11801 - Disclosure - Expenses Associated With Long-Duration Insurance Products </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://www.humana.com/2010-12-31/role/DisclosureReinsurance" id="DisclosureReinsurance">
<link:definition> 11901 - Disclosure - Reinsurance </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://www.humana.com/2010-12-31/role/DisclosureQuarterlyFinancialInformation" id="DisclosureQuarterlyFinancialInformation">
<link:definition> 12001 - Disclosure - Quarterly Financial Information </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 20202 - Disclosure - Summary Of Significant Accounting Policies (Policy) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 30303 - Disclosure - Acquisitions (Tables) </link:definition>
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<link:definition> 30403 - Disclosure - Investment Securities (Tables) </link:definition>
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<link:definition> 30503 - Disclosure - Fair Value (Tables) </link:definition>
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<link:definition> 30603 - Disclosure - Medicare Part D (Tables) </link:definition>
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<link:roleType roleURI="http://www.humana.com/2010-12-31/role/DisclosurePropertyAndEquipmentNetTables" id="DisclosurePropertyAndEquipmentNetTables">
<link:definition> 30703 - Disclosure - Property And Equipment, Net (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 30803 - Disclosure - Goodwill And Other Intangible Assets (Tables) </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 30903 - Disclosure - Benefits Payable (Tables) </link:definition>
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<link:definition> 31003 - Disclosure - Income Taxes (Tables) </link:definition>
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<link:definition> 31103 - Disclosure - Debt (Tables) </link:definition>
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<link:definition> 31303 - Disclosure - Employee Benefit Plans (Tables) </link:definition>
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<link:definition> 31403 - Disclosure - Earnings Per Common Share Computation (Tables) </link:definition>
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<link:definition> 31603 - Disclosure - Commitments, Guarantees And Contingencies (Tables) </link:definition>
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<link:definition> 31703 - Disclosure - Segment Information (Tables) </link:definition>
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<link:definition> 31803 - Disclosure - Expenses Associated With Long-Duration Insurance Products (Tables) </link:definition>
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<link:definition> 31903 - Disclosure - Reinsurance (Tables) </link:definition>
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<link:definition> 32003 - Disclosure - Quarterly Financial Information (Tables) </link:definition>
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<link:definition> 40101 - Disclosure - Reporting Entity (Narrative) (Details) </link:definition>
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<link:definition> 40201 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details) </link:definition>
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<link:definition> 40301 - Disclosure - Acquisitions (Narrative) (Details) </link:definition>
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<link:definition> 40401 - Disclosure - Investment Securities (Narrative) (Details) </link:definition>
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<link:definition> 40402 - Disclosure - Investment Securities (Investment Securities Classified As Current And Long-Term) (Details) </link:definition>
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<link:definition> 40501 - Disclosure - Fair Value (Narrative) (Details) </link:definition>
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<link:definition> 40503 - Disclosure - Fair Value (Changes In Fair Value Of Assets Measured Using Significant Unobservable Inputs) (Details) </link:definition>
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<link:definition> 40701 - Disclosure - Property And Equipment, Net (Narrative) (Details) </link:definition>
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<link:definition> 40801 - Disclosure - Goodwill And Other Intangible Assets (Narrative) (Details) </link:definition>
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<link:definition> 40802 - Disclosure - Goodwill And Other Intangible Assets (Changes In Carrying Amount Of Goodwill By Reportable Segment) (Details) </link:definition>
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<link:definition> 40803 - Disclosure - Goodwill And Other Intangible Assets (Detail Of Intangible Assets Classified As Other Long-Term Assets) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
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<link:definition> 40804 - Disclosure - Goodwill And Other Intangible Assets (Estimate Of Amortization Expense) (Details) </link:definition>
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<link:definition> 40901 - Disclosure - Benefits Payable (Narrative) (Details) </link:definition>
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<link:definition> 41001 - Disclosure - Income Taxes (Narrative) (Details) </link:definition>
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<link:definition> 41101 - Disclosure - Debt (Narrative) (Details) </link:definition>
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<link:definition> 41201 - Disclosure - Derivative Financial Instruments (Narrative) (Details) </link:definition>
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<link:definition> 41301 - Disclosure - Employee Benefit Plans (Narrative) (Details) </link:definition>
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<link:definition> 41302 - Disclosure - Employee Benefit Plans (Stock-Based Compensation Expense) (Details) </link:definition>
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<link:definition> 41303 - Disclosure - Employee Benefit Plans (Weighted-Average Fair Value Of Stock Options) (Details) </link:definition>
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<link:definition> 41304 - Disclosure - Employee Benefit Plans (Activity For Option Plans) (Details) </link:definition>
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<link:definition> 41305 - Disclosure - Employee Benefit Plans (Weighted-Average Grant Date Fair Value Of Restricted Stock Awards) (Details) </link:definition>
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<link:definition> 41401 - Disclosure - Earnings Per Common Share Computation (Narrative) (Details) </link:definition>
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<link:definition> 41402 - Disclosure - Earnings Per Common Share Computation (Detail Supporting The Computation Of Basic And Diluted Earnings Per Common Share) (Details) </link:definition>
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<link:definition> 41601 - Disclosure - Commitments, Guarantees And Contingencies (Narrative) (Details) </link:definition>
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<link:definition> 41701 - Disclosure - Segment Information (Narrative) (Details) </link:definition>
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<element id="hum_PercentageOfRetirementAndSavingsPlanSAssetsInvestedInOurCommonStockAsComparedToCompanySOutstandingSharesAtYearEnd" name="PercentageOfRetirementAndSavingsPlanSAssetsInvestedInOurCommonStockAsComparedToCompanySOutstandingSharesAtYearEnd" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_CombinationOfAgeAndYearsNecessaryForRetirementProvisionAsRelatedToOurEquityAwardProgram" name="CombinationOfAgeAndYearsNecessaryForRetirementProvisionAsRelatedToOurEquityAwardProgram" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_MinimumNumberOfYearsOfServiceForRetirementEligibilityAsRelatedToOurEquityAwardProgram" name="MinimumNumberOfYearsOfServiceForRetirementEligibilityAsRelatedToOurEquityAwardProgram" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsAndRestrictedStockVesting" name="EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptionsAndRestrictedStockVesting" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit"/>
<element id="hum_NumberOfReinsurersOtherThanProtectiveLifeInsuranceCompanyThatCompriseReinsuranceRecoverablesBalance" name="NumberOfReinsurersOtherThanProtectiveLifeInsuranceCompanyThatCompriseReinsuranceRecoverablesBalance" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_MaximumBalanceRelatedToReinsurersOtherThanProtectiveLifeInsuranceCompany" name="MaximumBalanceRelatedToReinsurersOtherThanProtectiveLifeInsuranceCompany" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_AmountHeldInCashAndSecuritiesInTrustAtLeastEqualToRecoverableFromReinsurer" name="AmountHeldInCashAndSecuritiesInTrustAtLeastEqualToRecoverableFromReinsurer" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_IssuedSharesMember" name="IssuedSharesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ScheduleSummarizingQuarterlyOperationResultsTableTextBlock" name="ScheduleSummarizingQuarterlyOperationResultsTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_AcquisitionOfConcentraMember" name="AcquisitionOfConcentraMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_NoncompetesAndOtherMember" name="NoncompetesAndOtherMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_PriorYearFavorableReserveReleases" name="PriorYearFavorableReserveReleases" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_DeferredTaxAssetsDeferredPolicyAcquisitionCost" name="DeferredTaxAssetsDeferredPolicyAcquisitionCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_BusinessAcquisitionPaymentsToSettleContingency" name="BusinessAcquisitionPaymentsToSettleContingency" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_WriteDownOfDeferredAcquisitionCost" name="WriteDownOfDeferredAcquisitionCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_NewCreditAgreementMember" name="NewCreditAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_RegulatoryRequirementsMember" name="RegulatoryRequirementsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ScheduleOfDeferredAcquisitionCostAndFuturePolicyBenefitsPayableWithOurLongDurationInsuranceProductsTextBlock" name="ScheduleOfDeferredAcquisitionCostAndFuturePolicyBenefitsPayableWithOurLongDurationInsuranceProductsTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ReinsuranceFinancialRatingsTextBlock" name="ReinsuranceFinancialRatingsTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_DeferredTaxLiabilitiesDepreciablePropertyAndIntangibleAssets" name="DeferredTaxLiabilitiesDepreciablePropertyAndIntangibleAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_BenefitsPayableActivityTextBlock" name="BenefitsPayableActivityTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_PrincipalComponentsOfNetDeferredTaxBalancesTextBlock" name="PrincipalComponentsOfNetDeferredTaxBalancesTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_BookOverdraftPolicyTextBlock" name="BookOverdraftPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_BenefitsPayableAndBenefitExpenseRecognitionPolicyTextBlock" name="BenefitsPayableAndBenefitExpenseRecognitionPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_LongDurationInsuranceProductsAxis" name="LongDurationInsuranceProductsAxis" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" xbrli:periodType="duration"/>
<element id="hum_LongDurationInsuranceProductsDomain" name="LongDurationInsuranceProductsDomain" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_CoinsuranceAgreementMember" name="CoinsuranceAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ClosedBlockLongTermCarePoliciesMember" name="ClosedBlockLongTermCarePoliciesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_IndividualMajorMedicalPoliciesMember" name="IndividualMajorMedicalPoliciesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_OtherLongTermAssetsDeferredAcquisitionCosts" name="OtherLongTermAssetsDeferredAcquisitionCosts" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_TradeAccountsPayableAndAccruedExpensesDeferredAcquisitionCost" name="TradeAccountsPayableAndAccruedExpensesDeferredAcquisitionCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_OtherLongTermLiabilitiesDeferredAcquisitionCost" name="OtherLongTermLiabilitiesDeferredAcquisitionCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_OtherLongTermAssetsFuturePolicyBenefitsPayable" name="OtherLongTermAssetsFuturePolicyBenefitsPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_TradeAccountsPayableAndAccruedExpensesFuturePolicyBenefitsPayable" name="TradeAccountsPayableAndAccruedExpensesFuturePolicyBenefitsPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetAssetLiabilityFuturePolicyBenefitsPayable" name="NetAssetLiabilityFuturePolicyBenefitsPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetAssetLiabilityDeferredAcquisitionCost" name="NetAssetLiabilityDeferredAcquisitionCost" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_NetOperatingLeaseCommitmentWithinYearFive" name="NetOperatingLeaseCommitmentWithinYearFive" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriodWeightedAverageGrantDateFairValue" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_ActivityForOptionPlansTextBlock" name="ActivityForOptionPlansTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_RentExpenseAndSubleaseRentalIncomeAssociatedWithOperatingLeasesTextBlock" name="RentExpenseAndSubleaseRentalIncomeAssociatedWithOperatingLeasesTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_MinimumAgeRequiredForRetirementEligibilityAsRelatedToOurEquityAwardProgram" name="MinimumAgeRequiredForRetirementEligibilityAsRelatedToOurEquityAwardProgram" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantIfAllGrantsAreRestrictedShares" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantIfAllGrantsAreRestrictedShares" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_WeightedAverageFairValueOfStockOptionsTextBlock" name="WeightedAverageFairValueOfStockOptionsTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ClosingStockPrice" name="ClosingStockPrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_FuturePolicyAndBenefitsPayablePolicyTextBlock" name="FuturePolicyAndBenefitsPayablePolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_NetOperatingLeaseCommitmentWithinYearOne" name="NetOperatingLeaseCommitmentWithinYearOne" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetOperatingLeaseCommitmentWithinYearTwo" name="NetOperatingLeaseCommitmentWithinYearTwo" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetOperatingLeaseCommitmentWithinYearThree" name="NetOperatingLeaseCommitmentWithinYearThree" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetOperatingLeaseCommitmentWithinYearFour" name="NetOperatingLeaseCommitmentWithinYearFour" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetOperatingLeaseCommitmentThereafter" name="NetOperatingLeaseCommitmentThereafter" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NetOperatingLeaseCommitmentTotal" name="NetOperatingLeaseCommitmentTotal" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_ReinsuranceRecoverablePercentage" name="ReinsuranceRecoverablePercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_SharesOfRetirementAndSavingSplansInvestedInOurCompanysCommonStock" name="SharesOfRetirementAndSavingSplansInvestedInOurCompanysCommonStock" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_OriginalSouthRegionContract" name="OriginalSouthRegionContract" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_StockBasedCompensationExpenseTextBlock" name="StockBasedCompensationExpenseTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_AfterTaxImpactOfCharge" name="AfterTaxImpactOfCharge" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_ImpactOnEPSOfCharge" name="ImpactOnEPSOfCharge" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ChargeRelatedToClosedBlockOfLongTermCarePolicies" name="ChargeRelatedToClosedBlockOfLongTermCarePolicies" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_PercentOfConsolidatedPremiumsAndAsoFeesRelatedToLongDurationInsuranceProducts" name="PercentOfConsolidatedPremiumsAndAsoFeesRelatedToLongDurationInsuranceProducts" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_BenefitsPayableAcquiredBalances" name="BenefitsPayableAcquiredBalances" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit"/>
<element id="hum_NondeductibleExecutiveCompensation" name="NondeductibleExecutiveCompensation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_JuniorSubordinatedDebtInterestRateBeginning2012" name="JuniorSubordinatedDebtInterestRateBeginning2012" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_IncreaseToFuturePolicyBenefitsPayable" name="IncreaseToFuturePolicyBenefitsPayable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_IncreaseToReinsuranceRecoverable" name="IncreaseToReinsuranceRecoverable" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit"/>
<element id="hum_NumberOfReinsurersWhoHavePlacedCashAndSecuritiesInTrusts" name="NumberOfReinsurersWhoHavePlacedCashAndSecuritiesInTrusts" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant"/>
<element id="hum_DividendsToParentWithoutPriorStateRegulatoryApproval" name="DividendsToParentWithoutPriorStateRegulatoryApproval" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_NetEndingPropertyAndEquipmentBalanceFromAcquisitionOfConcentra" name="NetEndingPropertyAndEquipmentBalanceFromAcquisitionOfConcentra" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_DeferredTaxAssetsCapitalLossCarryforward" name="DeferredTaxAssetsCapitalLossCarryforward" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_RetailMember" name="RetailMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_EmployerGroupMember" name="EmployerGroupMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_HealthAndWellBeingServicesMember" name="HealthAndWellBeingServicesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_OtherBusinessesMember" name="OtherBusinessesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ProviderMember" name="ProviderMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_AsoAndOtherMember" name="AsoAndOtherMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_IntersegmentRevenuesMember" name="IntersegmentRevenuesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ExternalCustomersMember" name="ExternalCustomersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_RealignmentOfBusinessSegmentsPolicyTextBlock" name="RealignmentOfBusinessSegmentsPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ExpensesAssociatedWithLongDurationInsuranceProductsTable" name="ExpensesAssociatedWithLongDurationInsuranceProductsTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration"/>
<element id="hum_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" xbrli:periodType="duration"/>
<element id="hum_AcquisitionCostsPolicyTextBlock" name="AcquisitionCostsPolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_FairValuePolicyTextBlock" name="FairValuePolicyTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_AcquisitionsAbstract" name="AcquisitionsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration"/>
<element id="hum_UncommitedIncrementalLoanFacility" name="UncommitedIncrementalLoanFacility" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_PercentageOfPremiumsAndServicesRevenues" name="PercentageOfPremiumsAndServicesRevenues" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_ReceiptsFromCentersForMedicareAndMedicaidServices" name="ReceiptsFromCentersForMedicareAndMedicaidServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_WithdrawalsFromCentersForMedicareAndMedicaidServices" name="WithdrawalsFromCentersForMedicareAndMedicaidServices" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit"/>
<element id="hum_PercentageOfPremiumsAndServicesRevenuesDerivedFromContractsWithFederalGovernment" name="PercentageOfPremiumsAndServicesRevenuesDerivedFromContractsWithFederalGovernment" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_PercentageOfPremiumsAndServicesRevenuesRelatedToFloridaMedicareAdvantageMembers" name="PercentageOfPremiumsAndServicesRevenuesRelatedToFloridaMedicareAdvantageMembers" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_PercentageOfPremiumsAndServicesRevenuesRelatedToTricareMembers" name="PercentageOfPremiumsAndServicesRevenuesRelatedToTricareMembers" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_DepreciationAndAmortizationClassifiedAsBenefitExpense" name="DepreciationAndAmortizationClassifiedAsBenefitExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_TotalInvestedAssets" name="TotalInvestedAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit"/>
<element id="hum_PercentOfConsolidatedPremiumsAndServicesRevenueRelatedToLongDurationInsuranceProducts" name="PercentOfConsolidatedPremiumsAndServicesRevenueRelatedToLongDurationInsuranceProducts" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_PercentageOfTotalPremiumAndServicesRevenuesDerivedFromContractsWithFederalGovernment" name="PercentageOfTotalPremiumAndServicesRevenuesDerivedFromContractsWithFederalGovernment" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration"/>
<element id="hum_GovernmentAndHealthPlanMemberSubsidiesAmount" name="GovernmentAndHealthPlanMemberSubsidiesAmount" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_DepreciationAndAmortizationIncomeStatement" name="DepreciationAndAmortizationIncomeStatement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
<element id="hum_ExpensesAssociatedWithLongDurationInsuranceProductsAbstract" name="ExpensesAssociatedWithLongDurationInsuranceProductsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration"/>
<element id="hum_CommonStockRepurchases" name="CommonStockRepurchases" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit"/>
</schema>

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