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Reserves for Closed Properties and Property, Plant and Equipment-Related Impairment Charges - Changes in Company's Reserves (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 23, 2013
Feb. 25, 2012
Feb. 26, 2011
Restructuring Reserve [Roll Forward]      
Reserve for close properties at the beginning of period $ 72 $ 96 $ 64
Additions 16 9 42
Payments (22) (26) (23)
Adjustments (5) (7) 13
Reserve for close properties at the end of period $ 61 $ 72 $ 96