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Financial Instruments (Fair Value, Assets And Liabilities Measured On Nonrecurring Basis) (Details) (USD $)
In Millions
Jul. 02, 2011
Dec. 25, 2010
Carrying Amount [Member]
   
Long-term debt (excluding capital leases) $ 2,170 $ 2,162
Estimated Fair Value [Member]
   
Long-term debt (excluding capital leases) $ 2,330 $ 2,326