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CLEARING OPERATIONS - Narrative (Details)	1 Months Ended	12 Months Ended
	Sep. 30, 2021 item	Dec. 31, 2024 item Counterparty form
Clearing Operations
Number of clearing houses operated		2
Europe
Clearing Operations
Number of European markets in which equities are cleared		18
Number of European markets in which equity derivatives are cleared	10
Cboe Clear Europe Credit Facility
Clearing Operations
Number of central counterparties with whom interoperable agreements are held | Counterparty		2
Number of forms utilized for default waterfalls | form		2
Default and liquid waterfalls regulatory capital		35.00%
Default and liquidity waterfalls regulatory capital, scenario one		25.00%
Cboe Clear Europe Credit Facility | Maximum
Clearing Operations
Default and liquidity waterfalls regulatory capital, scenario two		25.00%
Cboe Clear Europe Credit Facility | Minimum
Clearing Operations
Default and liquidity waterfalls regulatory capital, scenario two		10.00%

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The percent of own regulatory capital is used for clearing the default and liquid waterfalls participants.

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The percent of own regulatory capital is used for clearing the default and liquid waterfalls participants.

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Default and Liquid Waterfalls, Own Clearing Percent, Regulatory Capital, Scenario Two

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Represents the number of other central counterparties with whom interoperable arrangements are made.

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Represents the number of clearing houses that the entity operates.

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Number of forms of utilization of default and liquidity waterfalls.

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Number Of Markets In Which Equities Are Cleared

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Represents the number of european markets in which equity is cleared.

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