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Inventories, Net (Notes)
9 Months Ended
Sep. 30, 2017
Inventory, Net [Abstract]  
Inventories, Net
Inventories, Net.
Inventories, net consists of the following:
  
September 30, 2017
 
December 31, 2016
 
(in millions)
Raw materials
$
523

 
$
483

Work in process
343

 
299

Finished goods
2,390

 
2,201

 
$
3,256

 
$
2,983