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Inventories, Net (Schedule of Inventory) (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials, components and supplies $ 145 $ 168
Work in process 70 49
Finished goods 1,537 1,585
Inventories, Net $ 1,752 $ 1,802