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Schedule II-Valuation And Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
Schedule II-Valuation And Qualifying Accounts [Abstract]  
Schedule II-Valuation And Qualifying Accounts

Humana Inc.

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended December 31, 2011, 2010, and 2009

(in millions)

 

                  Additions              
     Balance at
Beginning
of Period		     Acquired
Balances		      Charged
(Credited) to
Costs and
Expenses		     Charged to
Other
Accounts (1)		     Deductions
or
Write-offs		     Balance at
End of
Period		  

Allowance for loss on receivables:

              

2011

    $ 52      $ 0       $ 31      $ 22      $ (20 )    $ 85   

2010

      51        0         19        (1 )      (17 )      52   

2009

      49        0         19        2        (19 )      51   

Deferred tax asset valuation allowance:

              

2011

      (28 )      0         0        0        0        (28 ) 

2010

      (30 )      0         2        0        0        (28 ) 

2009

      (28 )      0         (2 )      0        0        (30 ) 

(1) Represents changes in retroactive membership adjustments to premiums revenue and contractual allowances adjustments to services revenue as more fully described in Note 2 to the consolidated financial statements.