GOODWILL AND INTANGIBLE ASSETS - Change in Company's Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 28, 2015	Feb. 22, 2014	Feb. 23, 2013
Goodwill:
Goodwill, Beginning Balance	$ 847	$ 847
Additions	18	0
Impairments	0	0
Other net adjustments	0	0
Goodwill, Ending Balance	865	847	847
Indefinite-lived Intangible Assets [Roll Forward]
Intangible Assets, Beginning Balance	123	118
Intangible Assets, Additions	13	0
Intangible Assets, Impairments	0	0
Intangible Assets, Other Net Adjustments	0	5
Intangible Assets, Ending Balance	136	123	118
Intangible Assets Accumulated Amortization [Roll Forward]
Accumulated amortization, Beginning balance	(80)	(67)
Accumulated amortization, addition	(8)	(8)	(8)
Accumulated amortization, other net adjustments	0	(5)
Accumulated amortization, Beginning balance	(88)	(80)	(67)
Intangible assets, Beginning Balance	43	51
Intangible assets, Ending Balance	48	43	51
Independent Business
Goodwill:
Goodwill, Beginning Balance	710	710
Additions	0	0
Impairments	0	0
Other net adjustments	0	0
Goodwill, Ending Balance	710	710
Save-A-Lot
Goodwill:
Goodwill, Beginning Balance	137	137
Additions	4	0
Impairments	0	0
Other net adjustments	0	0
Goodwill, Ending Balance	141	137
Retail Food
Goodwill:
Goodwill, Beginning Balance	0	0
Additions	14	0
Impairments	0	0
Other net adjustments	0	0
Goodwill, Ending Balance	14	0
Tradenames and trademarks—indefinite useful lives
Indefinite-lived Intangible Assets [Roll Forward]
Indefinite-lived Intangible Assets, Beginning Balance	9	9
Indefinite-lived Intangible Assets, Additions	0	0
Indefinite-lived Intangible Assets, Impairments	0	0
Indefinite-lived Intangible Assets, Other net adjustments	0	0
Indefinite-lived Intangible Assets, Ending Balance	9	9
Favorable operating leases, prescription files, customer lists and other
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	111	106
Finite-Lived Intangible Assets, Additions	13	0
Finite-Lived Intangible Assets, Impairments	0	0
Finite Lived Intangible Assets Other Net Adjustments	0	5
Finite-Lived Intangible Assets, Ending Balance	124	111
Intangible Assets Accumulated Amortization [Roll Forward]
Accumulated amortization, Beginning balance	(78)
Accumulated amortization, Beginning balance	(86)	(78)
Non-Compete Agreements
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	3	3
Finite-Lived Intangible Assets, Additions	0	0
Finite-Lived Intangible Assets, Impairments	0	0
Finite Lived Intangible Assets Other Net Adjustments	0	0
Finite-Lived Intangible Assets, Ending Balance	3	3
Intangible Assets Accumulated Amortization [Roll Forward]
Accumulated amortization, Beginning balance	(2)
Accumulated amortization, Beginning balance	$ (2)	$ (2)