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Earnings Per Share | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share |
Earnings Per Share | 15. Earnings Per Share Basic and diluted earnings per share were computed using the following common share data for the year ended December 31 (shares in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022 |  | 2021
Number of common shares outstanding at end of period |  | 401.5 | ​ | 407.9 |  | 416.1
Effect of using weighted average common shares outstanding |  | 3.4 | ​ | 4.9 |  | 4.3
Weighted average basic common shares outstanding |  | 404.9 | ​ | 412.8 |  | 420.4
Dilutive effect of equity-based compensation awards and other contingently issuable shares |  | 2.0 | ​ | 2.2 |  | 2.5
Weighted average diluted common shares outstanding |  | 406.9 | ​ | 415.0 |  | 422.9
Potentially issuable shares |  | 5.0 | ​ | 5.2 |  | 5.7
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding |  | 1.0 | ​ | 1.1 |  | 0.6
​ Refer to the Consolidated Statements of Operations for net income attributable to Waste Management, Inc.

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