v3.6.0.2
Inventories, Net - Inventories, Net (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials $ 52 $ 66
Work in process 854 1,376
Finished goods 207 437
Inventory net $ 1,113 $ 1,879