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Inventories, net
12 Months Ended
Dec. 31, 2011
Inventories, net [Abstract]  
Inventories, net

5. Inventories, net

Inventories consist of (in millions):

 

 

                 
    December 31,  
    2011     2010  

Raw materials and supplies

  $ 907     $ 661  

Work in process

    852       953  

Finished goods and purchased products

    2,271       1,774  
   

 

 

   

 

 

 

Total

  $ 4,030     $ 3,388