Clearing Organizations - ICE Clearing Houses Schedules (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Clearing Organizations [Line Items]
Original margin	$ 46,781	$ 44,519
Unsettled variation margin, net	227	228
Guaranty fund	6,428	5,966
Delivery contracts receivable/payable, net	543	509
Total	53,979	51,222
ICE Clear Europe
Clearing Organizations [Line Items]
Original margin	20,699	19,792
Unsettled variation margin, net	0	0
Guaranty fund	3,648	3,037
Delivery contracts receivable/payable, net	0	0
Total	24,347	22,829
ICE Clear Credit
Clearing Organizations [Line Items]
Original margin	21,706	20,703
Unsettled variation margin, net	0	0
Guaranty fund	2,277	2,607
Delivery contracts receivable/payable, net	0	0
Total	23,983	23,310
ICE Clear US
Clearing Organizations [Line Items]
Original margin	4,248	3,898
Unsettled variation margin, net	0	0
Guaranty fund	482	299
Delivery contracts receivable/payable, net	0	0
Total	4,730	4,197
Other ICE Clearing Houses
Clearing Organizations [Line Items]
Original margin	128	126
Unsettled variation margin, net	227	228
Guaranty fund	21	23
Delivery contracts receivable/payable, net	543	509
Total	$ 919	$ 886