Quarterly report pursuant to Section 13 or 15(d)

(Details) (Gain (Loss) from Foreign Currency Forward Contracts)

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(Details) (Gain (Loss) from Foreign Currency Forward Contracts) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Foreign Currency Forward Contracts, Gain (Loss) [Line Items]        
Research and Development Expense $ (288) $ (328) $ (908) $ (1,041)
Contracts designated as cash flow hedging instruments
       
Foreign Currency Forward Contracts, Gain (Loss) [Line Items]        
Other comprehensive income (loss) 3 3 (1) 4
Research and Development Expense (1) 0 (1) (1)
Contracts not designated as hedging instruments
       
Foreign Currency Forward Contracts, Gain (Loss) [Line Items]        
Other income (expense), net $ 1 $ 2 $ (1) $ 2