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ORGANIZATION AND BASIS OF PRESENTATION (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) segment | Mar. 31, 2022 segment | Jun. 30, 2022 USD ($) segment
ORGANIZATION AND BASIS OF PRESENTATION |  |  |
Number of reportable segments | segment | 6 | 5 | 6
Digital assets - safeguarded assets | $ 22.4 |  | $ 22.4
Digital assets - safeguarded liabilities | $ 22.4 |  | $ 22.4

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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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Balance Type: | debit
Period Type: | instant

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- Definition Fair value of obligation 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: | credit
Period Type: | instant

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
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Period Type: | duration

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- References No definition available. + Details
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