Clearing Operations - Guaranty Fund Contributions (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	$ 381	$ 370
Default insurance	400	400
ICE Clear Europe
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	197	197
Default insurance	100	100
ICE Clear U.S.
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	75	75
Default insurance	25	25
ICE Clear Credit
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	50	50
Default insurance	75	75
ICE Clear Netherlands
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	13	2
ICE Clear Singapore
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	1	1
ICE NGX
Clearing Organizations [Line Items]
ICE Portion of Guaranty Fund Contribution	45	45
Default insurance	$ 200	$ 200