Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 743		$ 111
Accumulated Amortization	74		62
Intangible Assets And Goodwill
Amortization expense on intangibles	13	$ 2
Finite-Lived Intangible Assets, Future Amortization Expense
2016	87
2017	98
2018	98
2019	97
2020	94
2021	94
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	60		60
Accumulated Amortization	33		32
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8		8
Accumulated Amortization	5		5
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	629		23
Accumulated Amortization	21		10
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	46		20
Accumulated Amortization	$ 15		$ 15