Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended						12 Months Ended						3 Months Ended	12 Months Ended
	Feb. 25, 2012	Dec. 03, 2011	Feb. 25, 2012	Feb. 26, 2011	Feb. 27, 2010	Feb. 25, 2012 Accumulated amortization [Member]	Feb. 26, 2011 Accumulated amortization [Member]	Feb. 27, 2010 Accumulated amortization [Member]	Feb. 25, 2012 Favorable operating leases, customer lists, customer relationships and other [Member]	Feb. 26, 2011 Favorable operating leases, customer lists, customer relationships and other [Member]	Feb. 25, 2012 Noncompete Agreements [Member]	Feb. 26, 2011 Noncompete Agreements [Member]	Feb. 25, 2012 Trademarks and Tradenames - Indefinite lived [Member]	Feb. 26, 2011 Trademarks and Tradenames - Indefinite lived [Member]	Sep. 11, 2010 Retail food [Member]	Feb. 25, 2012 Retail food [Member]	Feb. 26, 2011 Retail food [Member]	Feb. 25, 2012 Accumulated impairment losses [Member]	Feb. 26, 2011 Accumulated impairment losses [Member]	Feb. 25, 2012 Consolidated Retail Food [Member]	Feb. 26, 2011 Consolidated Retail Food [Member]	Feb. 25, 2012 Independent business [Member]	Feb. 26, 2011 Independent business [Member]
Goodwill:
Additions			$ 0	$ 0												$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Goodwill, Ending Balance	847		847	1,984	3,698											6,100	6,116	(5,963)	(4,842)	137	1,274	710	710
Impairment of goodwill	(460)	(661)	(1,121)	(1,619)											(1,619)	(820)		(1,121)	(1,619)	(1,121)	(1,619)
Other net adjustments			(16)	(95)												(16)	2			(16)	2		(97)
Goodwill, Beginning Balance			1,984	3,698												6,116	6,114	(4,842)	(3,223)	1,274	2,891	710	807
Indefinite-lived, Intangible assets:
Indefinite-lived Intangible Assets, Ending Balance													469	780
Impairments													(311)	(251)
Other Net Adjustments														(18)
Indefinite-lived Intangible Assets, Beginning Balance													780	1,049
Finite-lived, Intangible assets:
Finite Lived Intangible Assets Other Net Adjustments									(8)	(23)	(1)	(3)
Finite-Lived Intangible Assets, Beginning Balance									663	674	11	13
Finite-Lived Intangible Assets, Ending Balance									664	663	11	11
Intangible assets:
Addition to finite lived intangible assets			10	13					9	12	1	1
Intangible assets excluding amortization, Ending Balance	1,144		1,144	1,454	1,736
Amortization Expense of intangible assets			56	57	59	(56)	(57)
Impairment			(311)	(251)
Intangible assets other adjustments						5	16
Intangible assets excluding amortization, Beginning Balance			1,454	1,736
Intangible Assets Other Net Adjustments			(9)	(44)
Accumulated amortization						(335)	(284)	(243)
Intangible assets, Ending Balance	809		809	1,170	1,493
Intangible assets, Beginning Balance			$ 1,170	$ 1,493