Quarterly report pursuant to Section 13 or 15(d)

(Details) (Summary of Foreign Currency Forward Contracts)

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(Details) (Summary of Foreign Currency Forward Contracts) (USD $)
In Millions, unless otherwise specified
Mar. 30, 2013
Dec. 29, 2012
Foreign Currency Forward Contracts, Fair Value [Line Items]    
Contracts designated as cash flow hedging instruments $ (2) $ 0
Contracts not designated as hedging instruments 0 0
Notional amount of foreign currency fair value hedge derivatives $ 141 $ 142