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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share |
Computing Basic and Diluted 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):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023 |  | 2022
Number of common shares outstanding at end of period |  | 401.5 | ​ | 401.5 |  | 407.9
Effect of using weighted average common shares outstanding |  | — | ​ | 3.4 |  | 4.9
Weighted average basic common shares outstanding |  | 401.5 | ​ | 404.9 |  | 412.8
Dilutive effect of equity-based compensation awards and other contingently issuable shares |  | 1.9 | ​ | 2.0 |  | 2.2
Weighted average diluted common shares outstanding |  | 403.4 | ​ | 406.9 |  | 415.0
Potentially issuable shares |  | 4.7 | ​ | 5.0 |  | 5.2
Number of anti-dilutive potentially issuable shares excluded from diluted common shares outstanding |  | 1.2 | ​ | 1.0 |  | 1.1

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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