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Stock-Based Awards - Components of Pre-Tax Stock-Based Compensation Expense and Related Tax Benefits (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 22, 2014
Feb. 23, 2013
Feb. 25, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Stock-based compensation $ 22 $ 13 $ 13
Income tax benefits (8) (5) (5)
Stock-based compensation (net of tax) $ 14 $ 8 $ 8