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Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2012
Components of Other Comprehensive Income or Loss

The components of other comprehensive income or loss were as follows:

 

    Years Ended December 31  
    2012     2011     2010  
    Before
Tax
    Income
Tax
    Net     Before
Tax
    Income
Tax
    Net     Before
Tax
    Income
Tax
    Net  
    (in millions)  

Unrealized holding gains arising during the year

  $ 556      $ 195      $ 361      $ 1,029      $ 359      $ 670      $ 230      $ 81      $ 149   

Unrealized other-than-temporary impairment losses arising during the year

    (2     (1     (1     (1            (1     (3     (1     (2

Reclassification adjustment for realized gains included in net income

    127        44        83        81        28        53        110        39        71   
 

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Net unrealized gains recognized in other comprehensive income or loss

    427        150        277        947        331        616        117        41        76   

Foreign currency translation gains (losses)

    (16     (5     (11     6        2        4        (28     (10     (18

Change in postretirement benefit costs not yet recognized in net income

    (45     (15     (30     (329     (114     (215     20        8        12   
 

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total other comprehensive income

  $ 366      $ 130      $ 236      $ 624      $ 219      $ 405      $ 109      $ 39      $ 70