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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.

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No definition available.

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- Definition

Amount of customer assets including cash deposits and digital safeguarded assets held for clearing transactions.

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No definition available.

+ Details

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- Definition

Amount of customer cash deposit held for clearing transactions.

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+ Details

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- Definition

Represents the number of U.S. jurisdictions in which equity is cleared.

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No definition available.

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- Definition

Fair value of asset to safeguard crypto-asset held for platform user.

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No definition available.

+ Details

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Namespace Prefix:	cboe_
Data Type:	xbrli:monetaryItemType
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