Intangible Assets and Goodwill (Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 02, 2016	Dec. 31, 2015
Goodwill Activity
Aggregate goodwill	$ 597	$ 420
Accumulated impairment losses	0	0
Goodwill, net of impairment losses	597	420
Goodwill acquired	170
Purchase accounting adjustments	19
Foreign currency	(12)
Products
Goodwill Activity
Aggregate goodwill	270	270
Accumulated impairment losses	0	0
Goodwill, net of impairment losses	270	270
Goodwill acquired	0
Purchase accounting adjustments	0
Foreign currency	0
Services
Goodwill Activity
Aggregate goodwill	327	150
Accumulated impairment losses	0	0
Goodwill, net of impairment losses	327	$ 150
Goodwill acquired	170
Purchase accounting adjustments	19
Foreign currency	$ (12)