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CLEARING OPERATIONS - Narrative (Details) - Cboe Clear Europe Credit Facility	1 Months Ended	3 Months Ended
	Sep. 30, 2021 item	Mar. 31, 2023 Counterparty item
Clearing Operations
Number of European markets | item	10	18
Number of central counterparties with whom interoperable agreements are held | Counterparty		2
Default and liquid waterfalls regulatory capital		35.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

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

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No definition available.

+ Details

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Namespace Prefix:	cboe_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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- Definition

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

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No definition available.

+ Details

Name:	cboe_NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade
Namespace Prefix:	cboe_
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- Definition

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

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No definition available.

+ Details

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Namespace Prefix:	cboe_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Details

Name:	srt_ConsolidatedEntitiesAxis=cboe_CboeClearEuropeCreditFacilityMember
Namespace Prefix:
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Balance Type:
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