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Inventories - Inventories (Detail) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 843 $ 846
Work-in-process 246 233
Finished goods 311 338
Tooling and engineering 1,164 1,108
Inventory, net, total $ 2,564 $ 2,525