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
Sep. 27, 2014
Dec. 28, 2013
Financial Instrument [Line Items]    
Short-term debt (excluding capital leases), at carrying amount $ 97 $ 55
Short-term debt (excluding capital leases), at estimated fair value 98 55
Long-term debt (excluding capital leases), at carrying amount 2,100 1,986
Long-term debt (excluding capital leases), at estimated fair value $ 2,149 $ 2,132