Annual report pursuant to Section 13 and 15(d)

Hedging Transactions And Derivative Financial Instruments (Schedule Of Amounts Included In Accumulated Other Comprehensive Income (Loss) Related To Foreign Currency Forward Contracts) (Details)

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Hedging Transactions And Derivative Financial Instruments (Schedule Of Amounts Included In Accumulated Other Comprehensive Income (Loss) Related To Foreign Currency Forward Contracts) (Details) (Foreign Currency Forward Contracts [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Cash Flow Hedging [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Other comprehensive loss $ (8)  
Research And Development [Member] | Cash Flow Hedging [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Amount of gain (loss) on foreign currency forward contracts reclassified from accumulated other comprehensive income 2 3
Marketing, General And Administrative [Member] | Cash Flow Hedging [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Amount of gain (loss) on foreign currency forward contracts reclassified from accumulated other comprehensive income 1 2
Other Expense, Net [Member] | Non Designated [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Other expenses, net $ 5 $ (13)