Segment Reporting (Segment Reporting Information, By Segment) (Details) (USD $) In Millions | 3 Months Ended | 12 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 08, 2011 | Feb. 13, 2011 | Nov. 21, 2010 | May 09, 2010 | Feb. 14, 2010 | Nov. 22, 2009 | Aug. 28, 2011 | Aug. 29, 2010 | Aug. 28, 2011 | Aug. 29, 2010 | Aug. 30, 2009 | ||||||||
| Total revenue | $ 20,623 | [1] | $ 20,875 | [1] | $ 19,239 | [1] | $ 17,780 | $ 18,742 | $ 17,299 | $ 28,178 | [1] | $ 24,125 | $ 88,915 | [1] | $ 77,946 | $ 71,422 | ||
| Operating income | 556 | [1] | 596 | [1] | 525 | [1] | 491 | 470 | 428 | 762 | [1] | 688 | 2,439 | [1] | 2,077 | 1,777 | ||
| Depreciation and amortization | 855 | 795 | 728 | |||||||||||||||
| Capital expenditures, net | 1,290 | 1,055 | 1,250 | |||||||||||||||
| Property and equipment, net | 12,432 | 11,314 | 12,432 | 11,314 | 10,900 | |||||||||||||
| Total assets | 26,761 | 23,815 | 26,761 | 23,815 | 21,979 | |||||||||||||
United States Operations [Member] | ||||||||||||||||||
| Total revenue | 64,904 | 59,624 | 56,548 | |||||||||||||||
| Operating income | 1,395 | 1,310 | 1,273 | |||||||||||||||
| Depreciation and amortization | 640 | 625 | 589 | |||||||||||||||
| Capital expenditures, net | 876 | 804 | 904 | |||||||||||||||
| Property and equipment, net | 8,870 | 8,709 | 8,870 | 8,709 | 8,415 | |||||||||||||
| Total assets | 18,558 | 18,247 | 18,558 | 18,247 | 17,228 | |||||||||||||
Canadian Operations [Member] | ||||||||||||||||||
| Total revenue | 14,020 | 12,051 | 9,737 | |||||||||||||||
| Operating income | 621 | 547 | 354 | |||||||||||||||
| Depreciation and amortization | 117 | 107 | 90 | |||||||||||||||
| Capital expenditures, net | 144 | 162 | 135 | |||||||||||||||
| Property and equipment, net | 1,608 | 1,474 | 1,608 | 1,474 | 1,394 | |||||||||||||
| Total assets | 3,741 | 3,147 | 3,741 | 3,147 | 2,641 | |||||||||||||
Other International Operations [Member] | ||||||||||||||||||
| Total revenue | 9,991 | 6,271 | 5,137 | |||||||||||||||
| Operating income | 423 | 220 | 150 | |||||||||||||||
| Depreciation and amortization | 98 | 63 | 49 | |||||||||||||||
| Capital expenditures, net | 270 | 89 | 211 | |||||||||||||||
| Property and equipment, net | 1,954 | 1,131 | 1,954 | 1,131 | 1,091 | |||||||||||||
| Total assets | $ 4,462 | $ 2,421 | $ 4,462 | $ 2,421 | $ 2,110 | |||||||||||||
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