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Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) (USD $)
In Millions
6 Months Ended
Jul. 02, 2011
Jul. 02, 2011
Other Income (Expense), Net [Member]
Euro Currency Forward Contracts [Member]
Jul. 02, 2011
Forward Contracts [Member]
Dec. 25, 2010
Forward Contracts [Member]
Gain on foreign currency forward contract   $ 6    
Notional amount of foreign currency fair value hedge derivatives     154 302
Net gain position on outstanding foreign currency contracts $ 4