Intangible Assets And Goodwill (Amortized Intangible Assets, Excluding Goodwill, By Business Segment) (Details) - USD ($) $ in Millions	Apr. 02, 2016	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 743	$ 111
Accumulated Amortization	74	62
Products
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	86	89
Accumulated Amortization	59	60
Services
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	657	22
Accumulated Amortization	$ 15	$ 2