XML 74 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Claims Payable (Tables)
12 Months Ended
Dec. 31, 2011
Claims Payable [Abstract]  
Components of the change in claims payable
                         
    2011     2010     2009  

Medical claims payable, beginning of the year

  $ 510,675     $ 529,036     $ 536,107  

Health benefits expense incurred during the year:

                       

Related to current year

    5,365,247       4,828,321       4,492,590  

Related to prior years

    (92,988     (106,215     (85,317
   

 

 

   

 

 

   

 

 

 

Total incurred

    5,272,259       4,722,106       4,407,273  

Health benefits payments during the year:

                       

Related to current year

    4,823,667       4,359,216       4,007,789  

Related to prior years

    385,819       381,251       406,555  
   

 

 

   

 

 

   

 

 

 

Total payments

    5,209,486       4,740,467       4,414,344  
   

 

 

   

 

 

   

 

 

 

Medical claims payable, end of the year

  $ 573,448     $ 510,675     $ 529,036  
   

 

 

   

 

 

   

 

 

 

Current year medical claims paid as a percent of current year health benefits expense incurred

    89.9     90.3     89.2
   

 

 

   

 

 

   

 

 

 

Health benefits expense incurred related to prior years as a percent of prior year medical claims payable as of December 31

    (18.2 )%      (20.1 )%      (15.9 )% 
   

 

 

   

 

 

   

 

 

 

Health benefits expense incurred related to prior years as a percent of the prior year’s health benefits expense related to current year

    (1.9 )%      (2.4 )%      (2.3 )%