Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Basic:
Net income attributable to Intercontinental Exchange, Inc.	$ 657	$ 646
Weighted average common shares outstanding (in shares)	561,000	562,000
Basic earnings per common share (in dollars per share)	$ 1.17	$ 1.15
Diluted:
Weighted average common shares outstanding (in shares)	561,000	562,000
Effect of dilutive securities - stock options and restricted stock (in shares)	3,000	3,000
Diluted weighted average common shares outstanding (in shares)	564,000	565,000
Diluted earnings per common share (in dollars per share)	$ 1.16	$ 1.14
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities (in shares)	272	190