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EARNINGS PER COMMON SHARE COMPUTATION | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
EARNINGS PER COMMON SHARE COMPUTATION | EARNINGS PER COMMON SHARE COMPUTATION Detail supporting the computation of basic and diluted earnings per common share was as follows for the three months ended March 31, 2023 and 2022:
| Three months ended March 31, |  |
| 2023 |  | 2022 |  |  |  |
| (dollars in millions, except per common share results; number of shares in thousands)
Net income available for common stockholders | $ | 1,239 |  |  | $ | 930 |  |  |  |  |
Weighted average outstanding shares of common stock used to compute basic earnings per common share | 125,005 |  |  | 126,938 |  |  |  |  |
Dilutive effect of: |  |  |  |  |  |  |
Employee stock options | 34 |  |  | 40 |  |  |  |  |
Restricted stock | 525 |  |  | 496 |  |  |  |  |
Shares used to compute diluted earnings per common share | 125,564 |  |  | 127,474 |  |  |  |  |
Basic earnings per common share | $ | 9.91 |  |  | $ | 7.32 |  |  |  |  |
Diluted earnings per common share | $ | 9.87 |  |  | $ | 7.29 |  |  |  |  |
Number of antidilutive stock options and restricted stock excluded from computation | 538 |  |  | 626 |  |  |  |  |
For additional information regarding earnings per common share, refer to Note 2 to the audited Consolidated Financial Statements included in Part II, Item 8, "Financial Statements and Supplementary Data" in our 2022 Form 10-K.

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