Equity (Stock Repurchased During Period) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Feb. 17, 2019 |
Feb. 18, 2018 |
Feb. 17, 2019 |
Feb. 18, 2018 |
|
| Equity [Abstract] | ||||
| Shares repurchased (000's) | 561 | 313 | 711 | 1,047 |
| Average price per share | $ 208.72 | $ 187.70 | $ 213.08 | $ 170.06 |
| Total Cost | $ 117 | $ 59 | $ 151 | $ 178 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|