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
Jun. 29, 2013
Dec. 29, 2012
Foreign Currency Forward Contracts, Fair Value [Line Items]    
Foreign Currency Fair Value Hedge Liability at Fair Value $ (4) $ 0
Contracts not designated as hedging instruments (1) 0
Foreign currency derivative contracts liability 5  
Notional amount of foreign currency fair value hedge derivatives $ 137 $ 142