Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Total revenues	$ 2,277	$ 1,930	$ 6,840	$ 6,011
Transaction-based expenses:
Section 31 fees	38	145	204	465
Cash liquidity payments, routing and clearing	437	374	1,330	1,181
Total revenues, less transaction-based expenses	1,802	1,411	5,306	4,365
Operating expenses:
Compensation and benefits	374	298	1,093	849
Professional services	43	37	124	100
Acquisition-related transaction and integration costs	14	76	42	90
Technology and communication	168	131	495	388
Rent and occupancy	20	19	61	59
Selling, general and administrative	52	43	163	132
Depreciation and amortization	253	180	759	494
Total operating expenses	924	784	2,737	2,112
Operating income	878	627	2,569	2,253
Other income (expense):
Interest income	0	1	0	9
Interest expense	(108)	(89)	(321)	(245)
Other income, net	54	44	1,341	75
Other income (expense), net	(54)	(44)	1,020	(161)
Income before income tax expense	824	583	3,589	2,092
Income tax expense	187	189	1,049	512
Net income	637	394	2,540	1,580
Net income attributable to non-controlling interest	(4)	(4)	(9)	(17)
Net income attributable to Intercontinental Exchange, Inc.	$ 633	$ 390	$ 2,531	$ 1,563
Earnings per share attributable to Intercontinental Exchange, Inc. common stockholders:
Basic (in dollars per share)	$ 1.12	$ 0.71	$ 4.50	$ 2.85
Diluted (in dollars per share)	$ 1.12	$ 0.71	$ 4.48	$ 2.83
Weighted average common shares outstanding:
Basic (in shares)	563	548	563	549
Diluted (in shares)	566	551	565	552
Exchanges
Revenues:
Total revenues	$ 1,434	$ 1,337	$ 4,376	$ 4,406
Fixed income and data services
Revenues:
Total revenues	477	450	1,403	1,360
Mortgage technology
Revenues:
Total revenues	$ 366	$ 143	$ 1,061	$ 245