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Inventories (Tables)
12 Months Ended
Dec. 31, 2014
Components of Inventories

Inventories consisted of the following:

 

                                     
     As of December 31,  
     2014      2013  
     (in millions)  

Raw materials

   $ 1,122       $ 1,165   

Finished product

     2,358         2,578   
  

 

 

    

 

 

 

Inventories, net

$ 3,480    $ 3,743