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Inventory (Detail) - USD ($)
$ in Millions
Apr. 02, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Work in process $ 3,775 $ 3,643
Raw materials 1,383 1,429
Finished goods 25 24
Pre-owned aircraft 40 22
Other contract costs 599 699
Total inventories $ 5,822 $ 5,817