Name:	cboe_DisposalGroupIncludingDiscontinuedOperationConsiderationInCash
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of consideration in the form of seller financing for the disposal of assets and liabilities, including discontinued operation.

No definition available.

Name:	cboe_DisposalGroupIncludingDiscontinuedOperationConsiderationSellerFinancing
Namespace Prefix:	cboe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Period between issuance and maturity of note receivable, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	cboe_NoteReceivableTerm
Namespace Prefix:	cboe_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

Stated interest rate of notes receivable.

No definition available.

Name:	cboe_SecuredPromissoryNoteReceivableStatedInterestRate
Namespace Prefix:	cboe_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Balance Type:	credit
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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.

No definition available.