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)

v3.4.0.3
Financial Instruments (Details) (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value) - USD ($)
$ in Millions
Mar. 26, 2016
Dec. 26, 2015
Financial Instrument [Line Items]    
Short-term debt, at carrying amount $ 230 $ 230
Long-term debt, at carrying amount [1] 2,002 2,000
Unamortized debt issuance costs 23 25
Fair Value, Inputs, Level 2    
Financial Instrument [Line Items]    
Short-term debt, at estimated fair value 230 230
Long-term debt, at estimated fair value $ 1,476 $ 1,372
[1] Carrying amounts of long-term debt are net of unamortized debt issuance costs of $23 million as of March 26, 2016 and $25 million as of December 26, 2015, based on the adoption of ASU 2015-03