Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Total revenues	$ 1,556	$ 1,496	$ 3,136	$ 2,967
Transaction-based expenses:
Section 31 fees	90	92	211	183
Cash liquidity payments, routing and clearing	220	224	454	438
Total revenues, less transaction-based expenses	1,246	1,180	2,471	2,346
Operating expenses:
Compensation and benefits	241	236	481	483
Professional services	29	32	59	64
Acquisition-related transaction and integration costs	15	9	27	23
Technology and communication	108	97	213	195
Rent and occupancy	16	17	33	35
Selling, general and administrative	39	38	72	79
Depreciation and amortization	143	142	281	276
Total operating expenses	591	571	1,166	1,155
Operating income	655	609	1,305	1,191
Other income (expense):
Interest expense	(55)	(45)	(107)	(90)
Other income, net	11	3	30	191
Other income (expense), net	(44)	(42)	(77)	101
Income before income tax expense	611	567	1,228	1,292
Income tax expense	149	140	292	354
Net income	462	427	936	938
Net income attributable to non-controlling interest	(7)	(8)	(17)	(16)
Net income attributable to Intercontinental Exchange, Inc.	$ 455	$ 419	$ 919	$ 922
Earnings per share attributable to Intercontinental Exchange, Inc. common stockholders:
Basic (in dollars per share)	$ 0.79	$ 0.71	$ 1.59	$ 1.56
Diluted (in dollars per share)	$ 0.78	$ 0.71	$ 1.58	$ 1.55
Weighted average common shares outstanding:
Basic (in shares)	578	591	580	593
Diluted (in shares)	581	595	583	597
Dividend per share (in dollars per share)	$ 0.24	$ 0.20	$ 0.48	$ 0.40
Transaction and clearing, net
Revenues:
Total revenues	$ 864	$ 817	$ 1,762	$ 1,615
Data services
Revenues:
Total revenues	526	521	1,046	1,041
Listings
Revenues:
Total revenues	111	109	220	217
Other revenues
Revenues:
Total revenues	$ 55	$ 49	$ 108	$ 94