Risk Management (Summary Of Fair Values And Location In Condensed Consolidated Balance Sheet) (Details) (Not Designated As Hedging Instruments, USD $) In Millions, unless otherwise specified	Apr. 04, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	$ 2	$ 1
Fair value of derivative liabilities	3	7
Foreign exchange contracts \| Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	2	1
Foreign exchange contracts \| Other Liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	1	5
Interest rate swap \| Other Assets
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	0	0
Interest rate swap \| Other Liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ 2	$ 2

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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