Risk Management (Summary Of Fair Values And Location In Condensed Consolidated Balance Sheet) (Details) - Not Designated As Hedging Instruments - USD ($) $ in Millions	Oct. 03, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	$ 0	$ 1
Fair value of derivative liabilities	3	7
Foreign exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	0	1
Foreign exchange contracts | Accrued liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	2	5
Interest rate swap | Other current assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	0	0
Interest rate swap | Accrued liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ 1	$ 2