Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 831	$ 671	$ 2,508	$ 2,093
Other comprehensive income/(loss):
Foreign currency translation adjustments	(29)	58	93	36
Change in equity method investment	0	0	0	7
Employee benefit plan net loss	0	0	(2)	0
Other comprehensive income/(loss)	(29)	58	91	43
Comprehensive income	802	729	2,599	2,136
Comprehensive income attributable to non-controlling interests	(15)	(14)	(44)	(37)
Comprehensive income attributable to Intercontinental Exchange, Inc.	$ 787	$ 715	$ 2,555	$ 2,099