Goodwill and Intangible Assets - Change in Company's Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 07, 2013	Sep. 08, 2012	Sep. 07, 2013
Goodwill [Line Items]
Goodwill, Beginning Balance			$ 847
Intangible assets, Beginning Balance			51
Additions
Amortization Expense of intangible assets
Impairments
Other net adjustments
Goodwill, Ending Balance	847		847
Impairment
Intangible assets other adjustments
Intangible assets, Ending Balance	47		47
Intangible assets excluding amortization, Beginning Balance			118
Addition to finite lived intangible assets
Impairment
Intangible assets other adjustments			4
Intangible assets excluding amortization, Ending Balance	122		122
Accumulated amortization, Beginning balance			(67)
Amortization Expense of intangible assets	(4)	(5)	(4)
Intangible assets other adjustments			(4)
Accumulated amortization, Ending Balance	(75)		(75)
Independent Business [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance			710
Additions
Impairments
Other net adjustments
Goodwill, Ending Balance	710		710
Save-A-Lot [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance			137
Additions
Impairments
Other net adjustments
Goodwill, Ending Balance	137		137
Trademarks and Tradenames - Indefinite Useful Lives [Member]
Goodwill [Line Items]
Indefinite-lived Intangible Assets, Beginning Balance			9
Additions
Impairment
Other net adjustments
Indefinite-lived Intangible Assets, Ending Balance	9		9
Customer Lists, Pharmacy Scripts, Favorable Operating Leases and Other [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Beginning Balance			106
Addition to finite lived intangible assets
Impairment of Intangible Assets, Finite-lived
Finite-Lived Intangible Assets Other Net Adjustments			4
Finite-Lived Intangible Assets, Ending Balance	110		110
Accumulated amortization, Beginning balance			(65)
Accumulated amortization, Ending Balance	(73)		(73)
Non-Compete Agreements [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Beginning Balance			3
Addition to finite lived intangible assets
Impairment of Intangible Assets, Finite-lived
Finite-Lived Intangible Assets, Ending Balance	3		3
Accumulated amortization, Beginning balance			(2)
Accumulated amortization, Ending Balance	$ (2)		$ (2)