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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
6 Months Ended
Sep. 06, 2014
Restructuring and Related Activities [Abstract]  
Reserves for closed properties at beginning of the fiscal year $ 47
Additions 1
Payments (6)
Adjustments (1)
Reserves for closed properties at the end of period $ 41