Earnings Per Common Share - Reconciliation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic:
Net income attributable to Intercontinental Exchange, Inc.	$ 799	$ 555	$ 1,454	$ 1,212
Weighted average common shares outstanding (in shares)	560	558	560	560
Basic earnings per common share (in dollars per share)	$ 1.43	$ 0.99	$ 2.60	$ 2.17
Diluted:
Weighted average common shares outstanding (in shares)	560	558	560	560
Effect of dilutive securities - stock options and restricted stock (in shares)	1	2	1	2
Diluted weighted average common shares outstanding (in shares)	561	560	561	562
Diluted earnings per common share (in dollars per share)	$ 1.42	$ 0.99	$ 2.59	$ 2.16