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EARNINGS PER COMMON SHARE COMPUTATION (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Details Supporting Computation of Earnings Per Share | Detail supporting the computation of basic and diluted earnings per common share was as follows for the three and nine months ended September 30, 2023 and 2022:
| Three months ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
| (dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders | $ | 832 |  |  | $ | 1,195 |  |  | $ | 3,030 |  |  | $ | 2,821 |
Weighted average outstanding shares of common stock used to compute basic earnings per common share | 123,426 |  |  | 126,572 |  |  | 124,335 |  |  | 126,678 |
Dilutive effect of: |  |  |  |  |  |  |
Employee stock options | 26 |  |  | 61 |  |  | 31 |  |  | 50 |
Restricted stock | 531 |  |  | 723 |  |  | 519 |  |  | 577 |
Shares used to compute diluted earnings per common share | 123,983 |  |  | 127,356 |  |  | 124,885 |  |  | 127,305 |
Basic earnings per common share | $ | 6.74 |  |  | $ | 9.45 |  |  | $ | 24.37 |  |  | $ | 22.27 |
Diluted earnings per common share | $ | 6.71 |  |  | $ | 9.39 |  |  | $ | 24.26 |  |  | $ | 22.16 |
Number of antidilutive stock options and restricted stock excluded from computation | 137 |  |  | 78 |  |  | 251 |  |  | 267 |

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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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