v2.4.0.6
Segment Reporting (Segment Reporting Information, By Segment) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Nov. 20, 2011
Nov. 21, 2010
Aug. 28, 2011
Segment Reporting Information [Line Items]      
Total revenue $ 21,628 $ 19,239 $ 88,915
Operating income 543 525 2,439
Depreciation and amortization 205 191 855
Additions to property and equipment 343 306 1,290
Property and equipment, net 12,381 12,019 12,432
Total assets 28,004 26,043 26,761
United States Operations [Member]
      
Segment Reporting Information [Line Items]      
Total revenue 15,614 14,011 64,904
Operating income 317 288 1,395
Depreciation and amortization 154 144 640
Additions to property and equipment 225 250 876
Property and equipment, net 8,924 8,775 8,870
Total assets 19,727 18,837 18,558
Canadian Operations [Member]
      
Segment Reporting Information [Line Items]      
Total revenue 3,441 3,037 14,020
Operating income 135 141 621
Depreciation and amortization 26 25 117
Additions to property and equipment 54 37 144
Property and equipment, net 1,578 1,540 1,608
Total assets 3,810 3,427 3,741
Other International Operations [Member]
      
Segment Reporting Information [Line Items]      
Total revenue 2,573 2,191 9,991
Operating income 91 96 423
Depreciation and amortization 25 22 98
Additions to property and equipment 64 19 270
Property and equipment, net 1,879 1,704 1,954
Total assets $ 4,467 $ 3,779 $ 4,462