Intangible Assets and Goodwill - Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,748		$ 1,748		$ 1,183
Accumulated Amortization	408		408		322
Intangible Assets And Goodwill
Amortization expense on intangibles	53	$ 37	94	$ 73
Finite-Lived Intangible Assets, Future Amortization Expense
2018	98		98
2019	193		193
2020	190		190
2021	186		186
2022	184		184
2023	83		83
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	555		555		148
Accumulated Amortization	71		71		55
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2		2		2
Accumulated Amortization	2		2		2
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,116		1,116		977
Accumulated Amortization	310		310		242
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	75		75		56
Accumulated Amortization	$ 25		$ 25		$ 23