Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 492	$ 474
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax benefit (expense) of $0 and ($1) for the three months ended March 31, 2019 and 2018, respectively	26	33
Change in equity method investment	(1)	0
Other comprehensive income	25	33
Comprehensive income	517	507
Comprehensive income attributable to non-controlling interest	(8)	(10)
Comprehensive income attributable to Intercontinental Exchange, Inc.	$ 509	$ 497