Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Millions	Oct. 03, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 110	$ 77
Accumulated Amortization	60	54
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	59	37
Accumulated Amortization	31	27
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8	8
Accumulated Amortization	5	4
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	23	15
Accumulated Amortization	9	8
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	20	17
Accumulated Amortization	$ 15	$ 15