CLEARING OPERATIONS - Cboe Clear Digital (Details) $ in Millions	Dec. 31, 2024 USD ($) jurisdiction	Dec. 31, 2023 USD ($)
Clearing Operations
Digital assets - safeguarded liabilities	$ 0.0	$ 51.3
Digital assets - safeguarded assets	$ 0.0	51.3
Cboe Clear U.S.
Clearing Operations
Number of U.S. jurisdictions authorized | jurisdiction	50
Digital assets - safeguarded assets	$ 0.0	$ 51.3