Intangible Assets And Goodwill (Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 73	$ 53
Accumulated Amortization	49	47
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	35	24
Accumulated Amortization	25	24
Patents
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8	8
Accumulated Amortization	4	3
Customer-related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13	6
Accumulated Amortization	6	6
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17	15
Accumulated Amortization	$ 14	$ 14