Intangible Assets and Goodwill - Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,179		$ 1,179		$ 983
Accumulated Amortization	283		283		162
Intangible Assets And Goodwill
Amortization expense on intangibles	39	$ 31	112	$ 83
Finite-Lived Intangible Assets, Future Amortization Expense
2017	151		151
2018	155		155
2019	154		154
2020	152		152
2021	150		150
2022	147		147
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	148		148		116
Accumulated Amortization	50		50		38
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2		2		8
Accumulated Amortization	2		2		6
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	973		973		810
Accumulated Amortization	209		209		101
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	56		56		49
Accumulated Amortization	$ 22		$ 22		$ 17