Quarterly report pursuant to Section 13 or 15(d)

Hedging Transactions And Derivative Financial Instruments (Amount Of Gain Reclassified From AOCI And Included In Earnings Related To Foreign Currency Forward Contracts) (Details)

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Hedging Transactions And Derivative Financial Instruments (Amount Of Gain Reclassified From AOCI And Included In Earnings Related To Foreign Currency Forward Contracts) (Details) (Foreign Currency Forward Contracts [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Contracts Designated As Cash Flow Hedging Instruments [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Other comprehensive income $ 2 $ 3
Research And Development [Member] | Contracts Designated As Cash Flow Hedging Instruments [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
Marketing, General, And Administrative [Member] | Contracts Designated As Cash Flow Hedging Instruments [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
Other Income (Expense), Net [Member] | Contracts Not Designated As Hedging Instruments [Member]
   
Hedging Transactions And Derivative Financial Instruments [Line Items]    
Other income, net $ 1 $ 8