Annual report pursuant to Section 13 and 15(d)

Hedging Transactions and Derivative Financial Instruments (Details) (Gain (Loss) from Hedging Transactions)

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Hedging Transactions and Derivative Financial Instruments (Details) (Gain (Loss) from Hedging Transactions) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Foreign Currency Forward Contracts [Line Items]                      
Research and development $ (293) $ (288) $ (308) $ (312) $ (313) $ (328) $ (345) $ (368) $ (1,201) $ (1,354) $ (1,453)
Marketing, general and administrative (169) (155) (171) (179) (193) (188) (212) (230) (674) (823) (992)
Other income (expense), net (2) 2 (2) (3) (4) 16 (5) (1) (5) 6 (199)
Contracts Designated as Cash Flow Hedging Instruments
                     
Foreign Currency Forward Contracts [Line Items]                      
Other comprehensive income (loss)                 (3) 2  
Research and development                 (2) 0  
Marketing, general and administrative                 (1) 0  
Contracts not Designated as Hedging Instruments
                     
Foreign Currency Forward Contracts [Line Items]                      
Other income (expense), net                 $ (2) $ 1