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Net Income per Common and Common Equivalent Share (Tables) | 6 Months Ended
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Feb. 12, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table shows the amounts used in computing net income per share and the weighted average number of shares of basic and of potentially dilutive common shares outstanding (shares in 000s):
| 12 Weeks Ended |  | 24 Weeks Ended
| February 12, 2023 |  | February 13, 2022 |  | February 12, 2023 |  | February 13, 2022
Net income attributable to Costco | $ | 1,466 |  |  | $ | 1,299 |  |  | $ | 2,830 |  |  | $ | 2,623 |
Weighted average basic shares | 443,877 |  |  | 443,623 |  |  | 443,857 |  |  | 443,500 |
RSUs | 598 |  |  | 1,293 |  |  | 646 |  |  | 1,260 |
Weighted average diluted shares | 444,475 |  |  | 444,916 |  |  | 444,503 |  |  | 444,760 |
Anti-dilutive RSUs | 6 |  |  | — |  |  | — |  |  | — |
Anti-dilutive shares are excluded from the calculation of diluted shares and earnings per diluted share because their impact would increase earnings per diluted shares.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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