Risk Management (Summary Of Fair Values And Location In Condensed Consolidated Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Fair value of derivative assets		$ 4
Fair value of derivative liabilities		5
Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets		0
Designated as Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities		1
Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	2	4
Fair value of derivative liabilities	5	4
Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	2	4
Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	2	1
Not Designated As Hedging Instruments [Member] | Interest Agreement Contracts [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	0	0
Not Designated As Hedging Instruments [Member] | Interest Agreement Contracts [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ 3	$ 3