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Premium Deficiency Reserve (Tables)
9 Months Ended
Sep. 30, 2011
Premium Deficiency Reserve [Abstract] 
Components of the premium deficiency reserve
The components of the premium deficiency reserve at September 30, 2011, December 31, 2010 and September 30, 2010 appear in the table below.
 
   
September 30,
  
December 31,
  
September 30,
 
   
2011
  
2010
  
2010
 
   
(In millions)
 
Present value of expected future paid losses and expenses, net of expected future premium
 $(1,039) $(1,254) $(1,312)
              
Established loss reserves
  892   1,075   1,152 
              
Net deficiency
 $(147) $(179) $(160)
Reconciliation of beginning and ending balances in the premium deficiency reserve
The net change in assumptions for the first nine months of 2011 is primarily related to higher estimated ultimate premiums and lower estimated ultimate losses.
 
   
Three Months Ended
  
Nine Months Ended
 
   
September 30, 2011
 
   
(In millions)
 
              
Premium Deficiency Reserve at beginning of period
    $(159)    $(179)
                
Paid claims and loss adjustment expenses
 $85      $257     
Decrease in loss reserves
  (8)      (182)    
Premium earned
  (30)      (91)    
Effects of present valuing on future premiums, losses and expenses
  (6)      (15)    
Change in premium deficiency reserve to reflect actual premium, losses and expenses recognized
      41       (31)
Change in premium deficiency reserve to reflect change in assumptions relating to future premiums, losses, expenses and discount rate (1)
      (29)      63 
                 
Premium Deficiency Reserve at end of period
     $(147)     $(147)

(1) A (negative) positive number for changes in assumptions relating to premiums, losses, expenses and discount rate indicates a (deficiency) redundancy of prior premium deficiency reserves.