Clearing Operations - Cash and Cash Equivalents Deposits (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Clearing Organizations [Line Items]
Original margin	$ 57,267	$ 56,630
Unsettled variation margin, net	255	417
Guaranty fund	6,880	6,188
Delivery contracts receivable/payable, net	585	720
Total	64,987	63,955
ICE Clear Europe
Clearing Organizations [Line Items]
Original margin	28,318	27,597
Unsettled variation margin, net	0	0
Guaranty fund	4,144	3,267
Delivery contracts receivable/payable, net	0	0
Total	32,462	30,864
ICE Clear Credit
Clearing Organizations [Line Items]
Original margin	22,145	22,770
Unsettled variation margin, net	0	0
Guaranty fund	2,268	2,456
Delivery contracts receivable/payable, net	0	0
Total	24,413	25,226
ICE Clear U.S.
Clearing Organizations [Line Items]
Original margin	6,802	6,260
Unsettled variation margin, net	0	0
Guaranty fund	463	460
Delivery contracts receivable/payable, net	0	0
Total	7,265	6,720
ICE NGX
Clearing Organizations [Line Items]
Original margin	0	0
Unsettled variation margin, net	255	417
Guaranty fund	0	0
Delivery contracts receivable/payable, net	585	720
Total	840	1,137
Other ICE Clearing Houses
Clearing Organizations [Line Items]
Original margin	2	3
Unsettled variation margin, net	0	0
Guaranty fund	5	5
Delivery contracts receivable/payable, net	0	0
Total	7	8
Futures and options | ICE Clear Europe
Clearing Organizations [Line Items]
Total	27,400	25,800
CDS | ICE Clear Europe
Clearing Organizations [Line Items]
Total	$ 5,100	$ 5,100