Goodwill and Intangible Assets - Changes in Company's Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Sep. 08, 2012	Sep. 10, 2011	Feb. 25, 2012
Goodwill [Line Items]
Accumulated amortization, Beginning balance			$ 1,144
Amortization Expense of intangible assets	27	31
Addition to finite lived intangible assets	3
Impairment	(88)
Intangible assets other adjustments	10
Intangible assets excluding amortization, Ending Balance	1,069		1,144
Goodwill, Beginning Balance			847
Additions
Impairments
Other net adjustments
Goodwill, Ending Balance	847		847
Intangible assets, Beginning Balance			809
Intangible assets, Ending Balance	713		809
Accumulated Amortization [Member]
Goodwill [Line Items]
Accumulated amortization, Beginning balance			(335)
Amortization Expense of intangible assets	(27)
Intangible assets other adjustments	6
Intangible assets excluding amortization, Ending Balance	(356)		(335)
Favorable Operating Leases, Customer Lists, Customer Relationships And Other [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Beginning Balance			664
Finite-Lived Intangible Assets, Accumulated Amortization	353		331
Addition to finite lived intangible assets	3
Impairment of Intangible Assets, Finite-lived	(14)
Finite Lived Intangible Assets Other Net Adjustments	11
Finite-Lived Intangible Assets, Ending Balance	664		664
Non-Compete Agreements [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Beginning Balance			11
Finite-Lived Intangible Assets, Accumulated Amortization	3		4
Finite Lived Intangible Assets Other Net Adjustments	(1)
Finite-Lived Intangible Assets, Ending Balance	10		11
Trademarks And Tradenames - Indefinite Lived [Member]
Goodwill [Line Items]
Indefinite-lived Intangible Assets, Beginning Balance			469
Additions
Impairments	(74)
Other net adjustments
Indefinite-lived Intangible Assets, Ending Balance	395		469
Independent Business Goodwill [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