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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 The following is a reconciliation of the numerators and denominators of the basic and diluted earnings per common share computations in 2024, 2023 and 2022 (in millions, except per share amounts):
| Year Ended December 31,
2024 |  | 2023 |  | 2022
Basic: |  |  |  |  |
Net income attributable to Intercontinental Exchange, Inc. | $ | 2,754 |  |  | $ | 2,368 |  |  | $ | 1,446 |
Weighted average common shares outstanding | 573 |  |  | 564 |  |  | 559 |
Basic earnings per common share | $ | 4.80 |  |  | $ | 4.20 |  |  | $ | 2.59 |
Diluted: |  |  |  |  |
Weighted average common shares outstanding | 573 |  |  | 564 |  |  | 559 |
Effect of dilutive securities - stock options and restricted stock | 3 |  |  | 1 |  |  | 2 |
Diluted weighted average common shares outstanding | 576 |  |  | 565 |  |  | 561 |
Diluted earnings per common share | $ | 4.78 |  |  | $ | 4.19 |  |  | $ | 2.58 |
Basic earnings per common share is calculated using the weighted average common shares outstanding during the periods. Changes in the weighted average common shares outstanding between years was primarily due to stock repurchases in 2022 and the Black Knight acquisition in 2023. Common equivalent shares from stock options and restricted stock awards, calculated using the treasury stock method, are included in the diluted per share calculations unless the effect of their inclusion would be antidilutive. During 2024, 2023 and 2022 outstanding stock options of 188,000, 791,000 and 531,000, respectively, were not included in the computation of diluted earnings per common share because to do so would have had an antidilutive effect. As of December 31, 2024 and 2023, there were 5,000 and 4,000, respectively, restricted stock units that were vested but have not been issued that are included in the computation of diluted earnings per share. Certain figures in the table above may not recalculate due to rounding.

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