Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Basic:
Net income attributable to Intercontinental Exchange, Inc.	$ 555	$ 1,252	$ 1,212	$ 1,898
Weighted average common shares outstanding (in shares)	558.0	563.0	560.0	562.0
Basic earnings per common share (in dollars per share)	$ 0.99	$ 2.23	$ 2.17	$ 3.38
Diluted:
Weighted average common shares outstanding (in shares)	558.0	563.0	560.0	562.0
Effect of dilutive securities - stock options and restricted stock (in shares)	2.0	2.0	2.0	3.0
Diluted weighted average common shares outstanding (in shares)	560.0	565.0	562.0	565.0
Diluted earnings per common share (in dollars per share)	$ 0.99	$ 2.22	$ 2.16	$ 3.36
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)			1.0	0.3