Earnings Per Common Share - Schedule of Reconciliation of the Numerators and Denominators of the Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic:
Net income/(loss) attributable to Intercontinental Exchange, Inc.	$ 541	$ (191)	$ 1,995	$ 1,021
Weighted average common shares outstanding (in shares)	563	558	561	559
Basic earnings/(loss) per common share (in dollars per share)	$ 0.96	$ (0.34)	$ 3.56	$ 1.83
Diluted:
Weighted average common shares outstanding (in shares)	563	558	561	559
Effect of dilutive securities - stock options and restricted stock (in shares)	2	2	1	2
Diluted weighted average common shares outstanding (in shares)	565	560	562	561
Diluted earnings/(loss) per common share (in dollars per share)	$ 0.96	$ (0.34)	$ 3.55	$ 1.82