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Inventories, net
12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Inventories, net

5. Inventories, net

Inventories consist of (in millions):

 

     December 31,  
     2016      2015  

Raw materials and supplies

   $ 961       $ 1,069   

Work in process

     561         632   

Finished goods and purchased products

     1,803         2,977   
  

 

 

    

 

 

 

Total

   $ 3,325       $ 4,678