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EARNINGS PER COMMON SHARE | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
EARNINGS PER COMMON SHARE | EARNINGS PER COMMON SHARE Basic earnings per share are calculated by dividing net income by the weighted average number of common shares outstanding. Diluted earnings per share reflect the potential dilution that would occur if options granted under various share-based compensation plans were exercised resulting in the issuance of common shares that would participate in the earnings of the entity. Net income (loss) per common share has been computed as shown below, based upon weighted average common basic and dilutive shares outstanding.
(Dollars in millions, except per share amounts) | Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Net income (loss) per share: |  |  |  |  |  |  |
Numerator |  |  |  |  |  |  |
Net income (loss) | $ | 255 |  | $ | 509 |  | $ | 1,145 |  | $ | 1,966
Less: dividends declared - common shares and unvested common shares | (84) |  | (86) |  | (253) |  | (249)
Undistributed earnings | 172 |  | 423 |  | 892 |  | 1,717
Percentage allocated to common shareholders (1) | 98.8% |  | 98.8% |  | 98.8% |  | 98.8%
| 169 |  | 418 |  | 882 |  | 1,697
Add: dividends declared - common shareholders | 83 |  | 85 |  | 250 |  | 246
Numerator for basic and diluted earnings per common share | $ | 252 |  | $ | 503 |  | $ | 1,132 |  | $ | 1,943
Denominator |  |  |  |  |  |  |
Denominator for basic earnings per weighted-average common shares | 41.4 |  | 42.6 |  | 41.8 |  | 42.8
Effect of dilutive securities: |  |  |  |  |  |  |
Options | — |  | — |  | — |  | —
Denominator for diluted earnings per adjusted weighted-average common shares | 41.4 |  | 42.6 |  | 41.8 |  | 42.8
Per common share net income (loss) |  |  |  |  |  |  |
Basic | $ | 6.09 |  | $ | 11.80 |  | $ | 27.06 |  | $ | 45.40
Diluted | $ | 6.09 |  | $ | 11.80 |  | $ | 27.06 |  | $ | 45.40
(1) Basic weighted - average common shares outstanding | 41.4 |  | 42.6 |  | 41.8 |  | 42.8
Basic weighted - average common shares outstanding and unvested common shares expected to vest | 41.9 |  | 43.1 |  | 42.3 |  | 43.3
Percentage allocated to common shareholders | 98.8% |  | 98.8% |  | 98.8% |  | 98.8%
(Some amounts may not reconcile due to rounding.) There were no options outstanding as of September 30, 2025 and 2024.

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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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