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Non-operating Income (Expense) (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jul. 02, 2011
Extinguishment of Debt [Line Items]  
Gain (loss) from extinguishment of debt $ (4)
Extinguishment of debt, amount $ 50
Interest rate (in hundredths) 7.875%
Maturity date 2012