Clearing Operations - Schedule of Cash and Invested Deposits (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Clearing Organizations [Line Items]
Original margin	$ 106,430	$ 71,684
Unsettled variation margin, net	341	740
Guaranty fund	9,725	7,884
Delivery contracts receivable, net	416	918
Total	116,912	81,226
ICE Clear Europe
Clearing Organizations [Line Items]
Original margin	69,296	40,627
Unsettled variation margin, net	0	0
Guaranty fund	4,138	3,075
Delivery contracts receivable, net	0	0
Total	73,434	43,702
ICE Clear Credit
Clearing Organizations [Line Items]
Original margin	27,594	23,965
Unsettled variation margin, net	0	0
Guaranty fund	4,799	3,986
Delivery contracts receivable, net	0	0
Total	32,393	27,951
ICE Clear U.S.
Clearing Organizations [Line Items]
Original margin	9,535	7,088
Unsettled variation margin, net	0	0
Guaranty fund	784	817
Delivery contracts receivable, net	0	0
Total	10,319	7,905
ICE NGX
Clearing Organizations [Line Items]
Original margin	0	0
Unsettled variation margin, net	341	740
Guaranty fund	0	0
Delivery contracts receivable, net	416	918
Total	757	1,658
Other ICE Clearing Houses
Clearing Organizations [Line Items]
Original margin	5	4
Unsettled variation margin, net	0	0
Guaranty fund	4	6
Delivery contracts receivable, net	0	0
Total	$ 9	$ 10