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Other Financial Data - Inventories, Net (Details) - USD ($)
$ in Millions
Apr. 01, 2017
Dec. 31, 2016
Inventory, Net [Abstract]    
Finished goods $ 175 $ 151
Work-in-process and production materials 298 253
Inventories, gross 473 404
Less inventory reserves (128) (131)
Inventories, net $ 345 $ 273