Summary Of Significant Accounting Policies (Interest Income And Other, Net) (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 | ||||||||
| Summary Of Significant Accounting Policies | ||||||||||||||||||
| Interest income, net | $ 41 | $ 23 | $ 27 | |||||||||||||||
| Earnings of affiliates and other, net | 19 | 65 | 31 | |||||||||||||||
| Interest Income and Other, Net | $ 5 | [1] | $ 4 | [1] | $ 5 | [1] | $ 10 | $ 30 | $ 18 | $ 46 | [1] | $ 30 | $ 60 | [1] | $ 88 | $ 58 | ||
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