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Earnings Per Common Share
 6 Months Ended
Jun. 30, 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 for the six and three months ended June 30, 2024 and 2023 (in millions, except per share amounts):
Six Months Ended June 30,
Three Months Ended June 30,
2024202320242023
Basic:
Net income attributable to Intercontinental Exchange, Inc.$1,399 $1,454 $632 $799 
Weighted average common shares outstanding
573 560 573 560 
Basic earnings per common share$2.44 $2.60 $1.10 $1.43 
Diluted:
Weighted average common shares outstanding
573 560 573 560 
Effect of dilutive securities - stock options and restricted stock2 1 2 1 
Diluted weighted average common shares outstanding
575 561 575 561 
Diluted earnings per common share$2.43 $2.59 $1.10 $1.42 
Basic earnings per common share is calculated using the weighted average common shares outstanding during the period.
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 both the six months ended June 30, 2024 and 2023, 1 million outstanding stock options and restricted stock awards were not included in the computation of diluted earnings per common share, because to do so would have had an antidilutive effect.