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Long-Term Debt - Future Maturities of Long-Term Debt, Excluding Net Discount on Debt and Capital Lease Obligations (Detail) (USD $)
In Millions, unless otherwise specified
Feb. 23, 2013
Debt Disclosure [Abstract]  
2014 $ 19
2015 556
2016 9
2017 1,008
2018 216
Thereafter $ 791