Debt (Schedule Of Short-Term Debt) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | |
|---|---|---|
Aug. 28, 2011 | Aug. 29, 2010 | |
Canada [Member] | ||
| Maximum Amount Outstanding During the Fiscal Year | $ 6 | $ 1 |
| Average Amount Outstanding During the Fiscal Year | 4 | 1 |
| Weighted Average Interest Rate During the Fiscal Year | 3.00% | 2.75% |
Japan [Member] | ||
| Maximum Amount Outstanding During the Fiscal Year | 70 | 64 |
| Average Amount Outstanding During the Fiscal Year | 20 | 39 |
| Weighted Average Interest Rate During the Fiscal Year | 0.58% | 0.63% |
United Kingdom [Member] | ||
| Maximum Amount Outstanding During the Fiscal Year | 16 | 5 |
| Average Amount Outstanding During the Fiscal Year | $ 4 | $ 2 |
| Weighted Average Interest Rate During the Fiscal Year | 1.50% | 1.50% |