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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2025
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table provides a reconciliation between basic and diluted earnings per share:
Millions, except per share amounts, for the three months ended March 31, | 2025 | 2024 |  |  |
Net income | $ | 1,626 |  | $ | 1,641 |  |  |  |
Weighted-average number of shares outstanding: |  |  |  |  |
Basic | 601.0 |  | 609.2 |  |  |  |
Dilutive effect of stock options | 0.3 |  | 0.5 |  |  |  |
Dilutive effect of retention shares and units | 0.6 |  | 0.5 |  |  |  |
Diluted | 601.9 |  | 610.2 |  |  |  |
Earnings per share - basic | $ | 2.71 |  | $ | 2.69 |  |  |  |
Earnings per share - diluted | $ | 2.70 |  | $ | 2.69 |  |  |  |
Stock options excluded as their inclusion would be anti-dilutive | 0.9 | 0.5 |  |  |

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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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