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Divestiture (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Feb. 26, 2011
Total Logistic Control [Member]
Feb. 25, 2012
Fuel Centers [Member]
Feb. 25, 2012
Fuel Centers [Member]
Retail food [Member]
Fuel_Center
Divestiture (Textual) [Abstract]      
Number of fuel centers sold     107
Proceeds from Divestiture of Businesses $ 205 $ 89  
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax $ 62 $ (7)