Goodwill and Intangible Assets - Changes in Company's Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended									9 Months Ended
	Dec. 01, 2012	Dec. 03, 2011	Dec. 01, 2012 Favorable operating leases, customer lists, customer relationships and other [Member]	Dec. 01, 2012 Non-compete Agreements [Member]	Dec. 01, 2012 Accumulated amortization [Member]	Dec. 01, 2012 Accumulated amortization [Member] Favorable operating leases, customer lists, customer relationships and other [Member]	Feb. 25, 2012 Accumulated amortization [Member] Favorable operating leases, customer lists, customer relationships and other [Member]	Dec. 01, 2012 Accumulated amortization [Member] Non-compete Agreements [Member]	Feb. 25, 2012 Accumulated amortization [Member] Non-compete Agreements [Member]	Dec. 01, 2012 Trademarks and Tradenames - Indefinite Useful Lived [Member]	Dec. 01, 2012 Independent business [Member]	Dec. 01, 2012 Save-A-Lot [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Beginning Balance			$ 664	$ 11
Intangible assets, Beginning Balance	809
Accumulated amortization, Beginning balance					(335)	(361)	(331)	(4)	(4)
Intangible assets, Ending Balance	703
Amortization expense of intangible assets	(37)	(43)			(37)
Intangible assets excluding amortization, Beginning Balance	1,144
Addition to finite lived intangible assets	3		3
Impairment of Intangible Assets, Finite-lived			(14)
Impairment	(88)
Finite Lived Intangible Assets Other Net Adjustments			11	(1)
Finite-Lived Intangible Assets, Ending Balance			664	10
Indefinite-lived Intangible Assets, Beginning Balance										469
Intangible assets other adjustments	10				6
Additions
Intangible assets excluding amortization, Ending Balance	1,069
Intangible assets excluding amortization, Ending Balance					(366)	(361)	(331)	(4)	(4)
Impairments										(74)
Other net adjustments
Indefinite-lived Intangible Assets, Ending Balance										395
Goodwill,Beginning Balance	847										710	137
Additions
Impairments
Other net adjustments
Goodwill, Ending Balance	$ 847										$ 710	$ 137