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Earnings Per Common Share | 12 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Earnings Per Common Share | EARNINGS PER COMMON SHARE Diluted earnings per share ("EPS") was calculated using the treasury stock method for stock options.
| 2024 | 2023
| Net Earnings | Weighted |  | Net Earnings | Weighted |
| to Common | Average |  | to Common | Average |
| Shareholders | Shares | EPS | Shareholders | Shares | EPS
| ($ millions) | (# millions) | ($) | ($ millions) | (# millions) | ($)
Basic EPS | 1,606 |  | 495.0 |  | 3.24 |  | 1,506 |  | 486.3 |  | 3.10 |
Potential dilutive effect of stock options (Note 20) | — |  | 0.2 |  | — |  | — |  | 0.2 |  | — |
Diluted EPS | 1,606 |  | 495.2 |  | 3.24 |  | 1,506 |  | 486.5 |  | 3.10 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-3 + Details
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