Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended		9 Months Ended		9 Months Ended	3 Months Ended		9 Months Ended
	Dec. 03, 2011 Fuel_Centers	Dec. 04, 2010	Dec. 03, 2011 Fuel_Centers	Dec. 04, 2010	Dec. 03, 2011 Accumulated amortization [Member]	Feb. 26, 2011 Accumulated amortization [Member]	Dec. 03, 2011 Favorable operating leases, customer lists, customer relationships and other [Member]	Feb. 26, 2011 Favorable operating leases, customer lists, customer relationships and other [Member]	Dec. 03, 2011 Noncompete Agreements [Member]	Feb. 26, 2011 Noncompete Agreements [Member]	Dec. 03, 2011 Trademarks and Tradenames - Indefinite lived [Member]	Dec. 03, 2011 Retail food [Member]	Dec. 04, 2010 Retail food [Member]	Dec. 03, 2011 Retail food [Member]	Dec. 04, 2010 Retail food [Member]	Dec. 03, 2011 Accumulated impairment losses [Member]	Dec. 03, 2011 Consolidated Retail Food [Member]	Dec. 03, 2011 Independent Business [Member]
Goodwill:
Goodwill, Beginning Balance			$ 1,984											$ 6,116		$ (4,842)	$ 1,274	$ 710
Additions			0											0		0	0	0
Impairment of goodwill			(661)											0		(661)	(661)	0
Other net adjustments			(17)											(17)		0	(17)	0
Goodwill, Ending Balance	1,306		1,306									6,099		6,099		(5,503)	596	710
Indefinite-lived, Intangible assets:
Indefinite-lived Intangible Assets, Beginning Balance											780
Additions											0
Impairments											(246)
Other Net Adjustments											0
Indefinite-lived Intangible Assets, Ending Balance											534
Finite-lived, Intangible assets:
Finite-Lived Intangible Assets, Beginning Balance							663		11
Impairment of Intangible Assets, Finite-lived							0		0
Finite Lived Intangible Assets Other Net Adjustments							(5)		0
Finite-Lived Intangible Assets, Ending Balance							665		12
Intangible assets:
Intangible assets excluding amortization, Beginning Balance			1,454
Addition to finite lived intangible assets			8				7		1
Amortization Expense of intangible assets			43	44	(43)
Impairment			(246)
Intangible assets other adjustments					3
Intangible assets excluding amortization, Ending Balance	1,211		1,211
Intangible Assets Other Net Adjustments			(5)
Accumulated amortization					(324)	(284)
Intangible assets, Beginning Balance			1,170
Intangible assets, Ending Balance	887		887
Additional Goodwill and Intangible Assets (Textual) [Abstract]
Finite-Lived Intangible Assets, Accumulated Amortization							319	280	5	4
Goodwill And Intangible Assets (Textual) [Abstract]
Amortization Expense of intangible assets			43	44	(43)
Future amortization expense, Year One			34
Future amortization expense, Year Two			34
Future amortization expense, Year Three			34
Future amortization expense, Year Four			34
Future amortization expense, Year Five			34
Number of fuel centers for sale			107
Reclassification of goodwill			17
Reclassification of property, plant and equipment			76
Number of fuel centers sold	56
Impairment charges regarding the impairment testing of goodwill and intangible assets	907	240	907	1,840								907	240	907	1,840
Impairment of goodwill			661											0		661	661	0
Impairment of Intangible assets with indefinite useful lives			$ 246