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CLEARING OPERATIONS - Cboe Clear Digital (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Clearing Operations |  |  |
Interest on customer bank deposits | $ 0.2 | $ 0.5 |
Digital assets - safeguarded assets | 6.9 | 6.9 | $ 51.3
Cboe Clear Digital |  |  |
Clearing Operations |  |  |
Digital assets - safeguarded assets | $ 6.9 | $ 6.9 | $ 51.3

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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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Namespace Prefix: | cboe_
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Balance Type: | na
Period Type: | duration

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- Definition Amount of interest on customer cash deposits held for clearing transactions. + References No definition available. + Details
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Namespace Prefix: | cboe_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Fair value of asset to safeguard crypto-asset held for platform user. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section FF -Subsection Q1 -Publisher SEC + Details
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Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Period Type: |