Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 537	$ 465	$ 1,507	$ 1,401
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax benefit of $1 for both the nine months ended September 30, 2019 and 2018 and $1 for the three months ended September 30, 2019	(39)	(9)	(32)	(51)
Change in equity method investment	0	0	(1)	0
Other comprehensive income (loss)	(39)	(9)	(33)	(51)
Comprehensive income	498	456	1,474	1,350
Comprehensive income attributable to non-controlling interest	(8)	(7)	(22)	(24)
Comprehensive income attributable to Intercontinental Exchange, Inc.	$ 490	$ 449	$ 1,452	$ 1,326