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Equity and Comprehensive Income Equity and Comprehensive Income - Additional Information - Stock Repurchase Programs (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Feb. 15, 2015
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Feb. 16, 2014
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Feb. 15, 2015
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Feb. 16, 2014
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| Equity [Abstract] | ||||
| Shares repurchased | 642,000us-gaap_StockRepurchasedDuringPeriodShares | 0us-gaap_StockRepurchasedDuringPeriodShares | 781,000us-gaap_StockRepurchasedDuringPeriodShares | 0us-gaap_StockRepurchasedDuringPeriodShares |
| Average price per share | $ 143.21us-gaap_TreasuryStockAcquiredAverageCostPerShare | $ 140.23us-gaap_TreasuryStockAcquiredAverageCostPerShare | ||
| Total cost | $ 92us-gaap_StockRepurchasedDuringPeriodValue | $ 110us-gaap_StockRepurchasedDuringPeriodValue | ||
| Stock repurchase authorization amount remaining | $ 2,611us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 | $ 2,611us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 | ||
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- Details
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount remaining of a stock repurchase plan authorized. No definition available.
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- Definition
Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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