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Other Financial Data (Inventories, Net) (Details) - USD ($)
$ in Millions
Jul. 02, 2016
Dec. 31, 2015
Inventory, Net [Abstract]    
Finished goods $ 160 $ 151
Work-in-process and production materials 261 287
Inventories, gross 421 438
Less inventory reserves (137) (142)
Inventories, net $ 284 $ 296