Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 1,432	$ 812
Other comprehensive income/(loss), net of tax:
Foreign currency translation adjustments	(28)	35
Change in equity method investment	1	0
Other comprehensive income/(loss)	(27)	35
Comprehensive income	1,405	847
Comprehensive income attributable to non-controlling interests	(19)	(15)
Comprehensive income attributable to Intercontinental Exchange, Inc.	$ 1,386	$ 832