Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 3,370	$ 2,802	$ 2,438
Other comprehensive income/(loss):
Foreign currency translation adjustments, net of tax	99	(55)	48
Change in equity method investment, net of tax	0	7	0
Employee benefit plan net gains/(losses), net of tax	15	4	(11)
Other comprehensive income/(loss)	114	(44)	37
Comprehensive income	3,484	2,758	2,475
Comprehensive income attributable to non-controlling interests	(55)	(48)	(70)
Comprehensive income attributable to Intercontinental Exchange, Inc.	$ 3,429	$ 2,710	$ 2,405