REGULATORY CAPITAL (Details)	Dec. 31, 2023 USD ($) Test
Cboe Trading
Regulatory Requirement
Capital	$ 15,600,000
Minimum Requirement	900,000
BIDS Trading
Regulatory Requirement
Capital	3,400,000
Minimum Requirement	$ 400,000
Cboe Fixed Income Markets
Regulatory Requirement
Minimum net capital required to be maintained, option 1 - percentage of aggregate indebtedness items	6.67%
Minimum net capital required to be maintained, option 2 - amount	$ 5,000.0
Capital	6,400,000
Minimum Requirement	100,000
Cboe Europe
Regulatory Requirement
Capital	71,400,000
Minimum Requirement	29,500,000
Cboe Chi-X Europe
Regulatory Requirement
Capital	100,000
Minimum Requirement	100,000
Capital resources requirement	100,000
Cboe NL
Regulatory Requirement
Capital	17,200,000
Minimum Requirement	5,900,000
Cboe Clear Europe
Regulatory Requirement
Capital	80,900,000
Minimum Requirement	49,100,000
MATCHNow
Regulatory Requirement
Capital	6,300,000
Minimum Requirement	200,000
CFE
Regulatory Requirement
Capital	59,200,000
Minimum Requirement	$ 37,500,000
Number of capital adequacy tests required to be met \| Test	2
Cboe SEF
Regulatory Requirement
Capital	$ 2,400,000
Minimum Requirement	$ 2,100,000
Number of capital adequacy tests required to be met \| Test	2
Cboe Digital Exchange
Regulatory Requirement
Capital	$ 49,600,000
Minimum Requirement	$ 5,200,000
Number of capital adequacy tests required to be met \| Test	2
Cboe Clear Digital
Regulatory Requirement
Capital	$ 32,000,000.0
Minimum Requirement	$ 5,600,000
Number of capital adequacy tests required to be met \| Test	2
Cboe Australia
Regulatory Requirement
Capital	$ 12,000,000.0
Minimum Requirement	5,100,000
Cboe Japan
Regulatory Requirement
Capital	8,700,000
Minimum Requirement	$ 4,000,000.0
Minimum required regulatory capital ratio (as a percent)	120.00%
Cboe Trading and BIDS Trading
Regulatory Requirement
Minimum net capital required to be maintained, option 1 - percentage of aggregate indebtedness items	6.67%
Minimum net capital required to be maintained, option 2 - amount	$ 100,000

Capital Resources Requirement

No definition available.

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- Definition

Minimum amount of regulatory capital required by Japanese Financial Services Agency ("JFSA") and the Japan Securities Dealers Association ("JSDA").

+ References

No definition available.

+ Details

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- Definition

Amount of minimum net capital required to be maintained.

+ References

No definition available.

+ Details

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- Definition

Amount of minimum net capital required to be maintained based on percentage of aggregate indebtedness items.

+ References

No definition available.

+ Details

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- Definition

The number of capital adequacy tests required to be met.

+ References

No definition available.

+ Details

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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.

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- Definition

Amount of total capital as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1

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- Definition

Amount of minimum net worth required for mortgage banking as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481586/948-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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