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Other Financial Data - Inventories, Net (Details) - USD ($)
$ in Millions
Jul. 01, 2017
Dec. 31, 2016
Inventory, Net [Abstract]    
Finished goods $ 197 $ 151
Work-in-process and production materials 321 253
Inventories, gross 518 404
Less inventory reserves (127) (131)
Inventories, net $ 391 $ 273