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COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
Software Development Activities | Cboe Canada  
Commitments, Contingencies and Guarantees  
Contractual obligations $ 1.3
Contractual obligation term 3 years
Minimum | Trading registrations and licenses  
Commitments, Contingencies and Guarantees  
Year 1 $ 17.1
Year 2 17.1
Year 3 17.1
Year 4 17.1
Year 5 17.1
Maximum | Trading registrations and licenses  
Commitments, Contingencies and Guarantees  
Year 1 18.1
Year 2 18.1
Year 3 18.1
Year 4 18.1
Year 5 $ 18.1