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Property and Equipment
12 Months Ended
Dec. 31, 2012
Property and Equipment

(5)  Property and Equipment

Property and equipment included in other assets were as follows:

 

     December 31  
     2012        2011  
     (in millions)  

Cost

   $ 517         $ 589   

Accumulated depreciation

     248           306   
  

 

 

      

 

 

 
   $ 269         $ 283   
  

 

 

      

 

 

 

Depreciation expense related to property and equipment was $54 million, $58 million and $63 million for 2012, 2011, and 2010, respectively.