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Inventories - Inventories (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 947 $ 911
Work-in-process 273 260
Finished goods 339 283
Tooling and engineering 1,078 1,058
Inventory, net, total $ 2,637 $ 2,512