Clearing Operations - Cash and Cash Equivalents Deposits (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Clearing Organizations [Line Items]
Original margin	$ 71,684	$ 76,343
Unsettled variation margin, net	740	934
Guaranty fund	7,884	6,330
Delivery contracts receivable/payable, net	918	705
Total	81,226	84,312
ICE Clear Europe
Clearing Organizations [Line Items]
Original margin	40,627	45,427
Unsettled variation margin, net	0	0
Guaranty fund	3,075	2,353
Delivery contracts receivable/payable, net	0	0
Total	43,702	47,780
ICE Clear Credit
Clearing Organizations [Line Items]
Original margin	23,965	23,843
Unsettled variation margin, net	0	0
Guaranty fund	3,986	3,312
Delivery contracts receivable/payable, net	0	0
Total	27,951	27,155
ICE Clear U.S.
Clearing Organizations [Line Items]
Original margin	7,088	7,069
Unsettled variation margin, net	0	0
Guaranty fund	817	660
Delivery contracts receivable/payable, net	0	0
Total	7,905	7,729
ICE NGX
Clearing Organizations [Line Items]
Original margin	0	0
Unsettled variation margin, net	740	934
Guaranty fund	0	0
Delivery contracts receivable/payable, net	918	705
Total	1,658	1,639
Other ICE Clearing Houses
Clearing Organizations [Line Items]
Original margin	4	4
Unsettled variation margin, net	0	0
Guaranty fund	6	5
Delivery contracts receivable/payable, net	0	0
Total	$ 10	$ 9