Intangible Assets And Goodwill (Amortized Intangible Assets, Excluding Goodwill, By Business Segment) (Details) - USD ($) $ in Millions	Oct. 03, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 110	$ 77
Accumulated Amortization	60	54
Products
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	89	77
Accumulated Amortization	58	54
Services
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21	0
Accumulated Amortization	$ 2	$ 0