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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Average Common Shares Outstanding Basic and Diluted | The average number of common shares outstanding is reconciled to those used in the basic and diluted EPS computations as follows:
(Millions of shares) |  | 2023 |  | 2022 |  | 2021
Basic |  | 337.8 |  |  | 337.4 |  |  | 337.3 |
Dilutive effect of stock options and restricted share unit awards |  | 1.0 |  |  | 0.9 |  |  | 1.5 |
Diluted |  | 338.8 |  |  | 338.3 |  |  | 338.8 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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