Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Clearing Fees Revenue	$ 795	$ 712	$ 2,331	$ 2,202
Market Data Revenue	209	170	614	502
Listing fees	101	92	303	272
Other revenues	46	36	132	113
Total revenues	1,151	1,010	3,380	3,089
Transaction-based expenses:
Section 31 fees	92	89	263	250
Cash liquidity payments, routing and clearing	243	176	654	547
Total revenues, less transaction-based expenses	816	745	2,463	2,292
Operating expenses:
Compensation and benefits	150	144	445	448
Technology and communication	49	45	147	135
Professional services	37	47	102	150
Rent and occupancy	14	19	45	61
Acquisition-related transaction and integration costs	8	40	34	102
Selling, general and administrative	24	37	82	104
Depreciation and amortization	94	83	276	244
Total operating expenses	376	415	1,131	1,244
Operating income	440	330	1,332	1,048
Other income (expense):
Interest expense	(21)	(22)	(67)	(73)
Other expense, net	4	5	(3)	20
Other expense, net	(17)	(17)	(70)	(53)
Income from continuing operations before income tax expense	423	313	1,262	995
Income tax expense	113	90	340	284
Income from continuing operations	310	223	922	711
Income from discontinued operations, net of tax	0	(10)	0	11
Net income	310	213	922	722
Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest	(4)	(7)	(18)	(29)
Net income attributable to IntercontinentalExchange Group, Inc.	$ 306	$ 206	$ 904	$ 693
Basic earnings per share attributable to IntercontinentalExchange Group, Inc. common shareholders:
Continuing operations	$ 2.77	$ 1.90	$ 8.13	$ 5.96
Discontinued operations	0.00	(0.09)	0.00	0.09
Basic earnings per share	$ 2.77	$ 1.81	$ 8.13	$ 6.05
Basic weighted average common shares outstanding	110	114	111	115
Diluted earnings per share attributable to IntercontinentalExchange Group, Inc. common shareholders:
Continuing operations	$ 2.76	$ 1.89	$ 8.10	$ 5.93
Discontinued operations	0.00	(0.09)	0.00	0.09
Diluted earnings per share	$ 2.76	$ 1.80	$ 8.10	$ 6.02
Diluted weighted average common shares outstanding	111	114	112	115
Dividend per share	$ 0.75	$ 0.65	$ 2.15	$ 1.95