Intangible Assets and Goodwill - Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,077		$ 983
Accumulated Amortization	199		162
Intangible Assets And Goodwill
Amortization expense on intangibles	36	$ 13
Finite-Lived Intangible Assets, Future Amortization Expense
2017	134
2018	143
2019	142
2020	139
2021	138
2022	135
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	128		116
Accumulated Amortization	42		38
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8		8
Accumulated Amortization	6		6
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	888		810
Accumulated Amortization	133		101
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	53		49
Accumulated Amortization	$ 18		$ 17