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Property Casualty Loss and Loss Expenses (Tables)
6 Months Ended
Jun. 30, 2011
Consolidated Property Casualty Loss and Loss Expense Reserves
This table summarizes activity for our consolidated property casualty loss and loss expense reserves:
 
(In millions)
 
Three months ended June 30,
   
Six months ended June 30,
 
   
2011
   
2010
   
2011
   
2010
 
Gross loss and loss expense reserves, beginning of period
  $ 4,179     $ 4,065     $ 4,137     $ 4,096  
Less reinsurance receivable
    326       343       326       435  
Net loss and loss expense reserves, beginning of period
    3,853       3,722       3,811       3,661  
Net incurred loss and loss expenses related to:
                               
Current accident year
    853       625       1,442       1,139  
Prior accident years
    (96 )     (73 )     (155 )     (113 )
Total incurred
    757       552       1,287       1,026  
Net paid loss and loss expenses related to:
                               
Current accident year
    391       221       522       333  
Prior accident years
    248       233       608       534  
Total paid
    639       454       1,130       867  
                                 
Net loss and loss expense reserves, end of period
    3,971       3,820       3,971       3,820  
Plus reinsurance receivable
    508       311       508       311  
Gross loss and loss expense reserves, end of period
  $ 4,479     $ 4,131     $ 4,479     $ 4,131