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Earnings Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Reconciliation of the Numerators and Denominators of the Basic and Diluted 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 2021, 2020 and 2019 (in millions, except per share amounts):
Year Ended December 31,
202120202019
Basic:
Net income attributable to Intercontinental Exchange, Inc.
$4,058 $2,089 $1,933 
Weighted average common shares outstanding
562 552 561 
Basic earnings per common share
$7.22 $3.79 $3.44 
Diluted:
Weighted average common shares outstanding
562 552 561 
Effect of dilutive securities - stock options and restricted stock
3 3 4 
Diluted weighted average common shares outstanding
565 555 565 
Diluted earnings per common share
$7.18 $3.77 $3.42