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Income Taxes (Reconciliation Between Statutory And Effective Rates) (Detail) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 4 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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May 12, 2013
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Feb. 17, 2013
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Nov. 25, 2012
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May 06, 2012
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Feb. 12, 2012
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Nov. 20, 2011
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Sep. 01, 2013
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Sep. 02, 2012
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Sep. 01, 2013
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Sep. 02, 2012
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Aug. 28, 2011
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| Income Tax Disclosure [Abstract] | |||||||||||||||||
| Federal taxes at statutory rate | $ 1,068 | $ 969 | $ 834 | ||||||||||||||
| Federal taxes at statutory rate (percent) | 35.00% | 35.00% | 35.00% | ||||||||||||||
| State taxes, net | 66 | 59 | 55 | ||||||||||||||
| State taxes, net (percent) | 2.10% | 2.10% | 2.40% | ||||||||||||||
| Foreign taxes, net | (87) | (61) | (66) | ||||||||||||||
| Foreign taxes, net (percent) | (2.80%) | (2.20%) | (2.80%) | ||||||||||||||
| Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount | (65) | (7) | (6) | ||||||||||||||
| Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Percent | (2.10%) | (0.30%) | (0.30%) | ||||||||||||||
| Other | 8 | 40 | 24 | ||||||||||||||
| Other (percent) | 0.20% | 1.50% | 1.00% | ||||||||||||||
| Total provision for income taxes | $ 248 | $ 185 | [1] | $ 225 | $ 217 | $ 215 | $ 225 | [2] | $ 332 | $ 343 | $ 990 | $ 1,000 | $ 841 | ||||
| Total (percent) | 32.40% | 36.10% | 35.30% | ||||||||||||||
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