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EARNINGS PER COMMON SHARE COMPUTATION (Tables) | 6 Months Ended
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Jun. 30, 2022
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 six months ended June 30, 2022 and 2021:
| Three months ended June 30, |  | Six months ended June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders | $ | 697 |  |  | $ | 588 |  |  | $ | 1,627 |  |  | $ | 1,416 |
Weighted average outstanding shares of common stock used to compute basic earnings per common share | 126,523 |  |  | 128,692 |  |  | 126,730 |  |  | 128,811 |
Dilutive effect of: |  |  |  |  |  |  |
Employee stock options | 47 |  |  | 74 |  |  | 44 |  |  | 63 |
Restricted stock | 514 |  |  | 621 |  |  | 505 |  |  | 595 |
Shares used to compute diluted earnings per common share | 127,084 |  |  | 129,387 |  |  | 127,279 |  |  | 129,469 |
Basic earnings per common share | $ | 5.50 |  |  | $ | 4.57 |  |  | $ | 12.83 |  |  | $ | 11.00 |
Diluted earnings per common share | $ | 5.48 |  |  | $ | 4.55 |  |  | $ | 12.77 |  |  | $ | 10.94 |
Number of antidilutive stock options and restricted stock excluded from computation | 98 |  |  | 103 |  |  | 362 |  |  | 317 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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