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CLEARING OPERATIONS - Cboe Clear Digital (Details) $ in Millions | Mar. 31, 2023 USD ($) jurisdiction | Dec. 31, 2022 USD ($) | Jun. 30, 2022 USD ($)
--- | --- | --- | ---
Clearing Operations |  |  |
Customer bank deposits | $ 24.4 | $ 12.7 |
Digital assets - safeguarded assets | 42.0 | 22.9 | $ 22.4
Total | $ 66.4 | $ 35.6 |
Cboe Clear Digital |  |  |
Clearing Operations |  |  |
Number Of U.S. Jurisdictions authorized | jurisdiction | 51 |  |

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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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Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount of customer assets including cash deposits and digital safeguarded assets held for clearing transactions. + References No definition available. + Details
Name: | cboe_CustomerAssetsHeldForClearing
Namespace Prefix: | cboe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Amount of customer cash deposit held for clearing transactions. + References No definition available. + Details
Name: | cboe_CustomerCashDeposit
Namespace Prefix: | cboe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the number of U.S. jurisdictions in which equity is cleared. + References No definition available. + Details
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Namespace Prefix: | cboe_
Data Type: | xbrli:integerItemType
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- Definition Fair value of asset to safeguard crypto-asset held for platform user. + References No definition available. + Details
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Namespace Prefix: | cboe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | srt_ConsolidatedEntitiesAxis=cboe_CboeClearDigitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |