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CLEARING OPERATIONS - Narrative (Details) - EuroCCP | 1 Months Ended | 6 Months Ended
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Sep. 30, 2021 item | Jun. 30, 2022 Counterparty item
Clearing Operations |  |
Number of European markets | item | 6 | 18
Number of central counterparties | Counterparty |  | 2
Default and liquid waterfalls regulatory capital |  | 25.00%

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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. + References No definition available. + Details
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Namespace Prefix: | cboe_
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Balance Type: | na
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- Definition Represents the number of other central counterparties with whom interoperable arrangements are made. + References No definition available. + Details
Name: | cboe_NumberOfCentralCounterpartiesWithWhomInteroperableArrangementsAreMade
Namespace Prefix: | cboe_
Data Type: | xbrli:integerItemType
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- Definition Represents the number of european markets in which equity is cleared. + References No definition available. + Details
Name: | cboe_NumberOfEuropeanMarketsInWhichEquityIsCleared
Namespace Prefix: | cboe_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |