Clearing Operations - Cash and Cash Equivalent Deposits (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Clearing Organizations [Line Items]
Original margin	$ 85,651	$ 57,267
Unsettled variation margin, net	195	255
Guaranty fund	7,814	6,880
Delivery contracts receivable/payable, net	300	585
Total	93,960	64,987
ICE Clear Europe
Clearing Organizations [Line Items]
Original margin	40,759	28,318
Unsettled variation margin, net	0	0
Guaranty fund	4,414	4,144
Delivery contracts receivable/payable, net	0	0
Total	45,173	32,462
ICE Clear Credit
Clearing Organizations [Line Items]
Original margin	39,147	22,145
Unsettled variation margin, net	0	0
Guaranty fund	2,879	2,268
Delivery contracts receivable/payable, net	0	0
Total	42,026	24,413
ICE Clear U.S.
Clearing Organizations [Line Items]
Original margin	5,741	6,802
Unsettled variation margin, net	0	0
Guaranty fund	516	463
Delivery contracts receivable/payable, net	0	0
Total	6,257	7,265
ICE NGX
Clearing Organizations [Line Items]
Original margin	0	0
Unsettled variation margin, net	195	255
Guaranty fund	0	0
Delivery contracts receivable/payable, net	300	585
Total	495	840
Other ICE Clearing Houses
Clearing Organizations [Line Items]
Original margin	4	2
Unsettled variation margin, net	0	0
Guaranty fund	5	5
Delivery contracts receivable/payable, net	0	0
Total	9	7
Futures and options | ICE Clear Europe
Clearing Organizations [Line Items]
Total	36,000	27,400
CDS | ICE Clear Europe
Clearing Organizations [Line Items]
Total	$ 9,200	$ 5,100