Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details) (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value)

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Financial Instruments (Details) (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value) (USD $)
In Millions, unless otherwise specified
Mar. 29, 2014
Dec. 28, 2013
Financial Instrument [Line Items]    
Long-term debt (excluding capital leases), at carrying amount $ 2,068 $ 1,986
Long-term debt (excluding capital leases), at estimated fair value 2,132 2,132
Reported Value Measurement [Member]
   
Financial Instrument [Line Items]    
Short-term debt 55 55
Estimate of Fair Value Measurement [Member]
   
Financial Instrument [Line Items]    
Short-term debt $ 55 $ 55