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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 4 Months Ended 9 Months Ended
Nov. 29, 2014
Nov. 30, 2013
Jun. 14, 2014
Nov. 29, 2014
Nov. 30, 2013
Feb. 22, 2014
Accounting Policies [Abstract]            
Inventory, LIFO Reserve $ 209us-gaap_InventoryLIFOReserve     $ 209us-gaap_InventoryLIFOReserve   $ 202us-gaap_InventoryLIFOReserve
Book Overdrafts 157us-gaap_BankOverdrafts     157us-gaap_BankOverdrafts   134us-gaap_BankOverdrafts
Number of weeks in first quarter       112 days    
Number of weeks in second and third quarter       84 days    
Number of weeks in fourth quarter       91 days    
Number of weeks in current fiscal year       371 days    
LIFO charge recorded 3us-gaap_InventoryLIFOReservePeriodCharge (1)us-gaap_InventoryLIFOReservePeriodCharge   7us-gaap_InventoryLIFOReservePeriodCharge (2)us-gaap_InventoryLIFOReservePeriodCharge  
Reclassification of unrecognized tax benefits and other tax credits against deferred tax assets     $ 1us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability