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
 12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Contracts Designated as Cash Flow Hedging Instruments | Other Comprehensive Income (Loss)
    
Foreign Currency Forward Contracts [Line Items]    
Other comprehensive income (loss), unrealized gain (loss) on derivatives arising during period, before tax $ 2 $ (8)
Contracts Designated as Cash Flow Hedging Instruments | Research and Development Expense
    
Foreign Currency Forward Contracts [Line Items]    
Gain (loss) on derivatives reclassified from accumulated other comprehensive income (loss) into income (loss), net 0 2
Contracts Designated as Cash Flow Hedging Instruments | Selling, General and Administrative Expenses
    
Foreign Currency Forward Contracts [Line Items]    
Gain (loss) on derivatives reclassified from accumulated other comprehensive income (loss) into income (loss), net 0 1
Contracts not Designated as Hedging Instruments
    
Foreign Currency Forward Contracts [Line Items]    
Gain (loss) on derivatives not designated as hedging instruments $ 1 $ 5