v3.26.1
ORGANIZATION AND BASIS OF PRESENTATION (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
segment
Apr. 22, 2026
USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]    
Number of reportable segments | segment 5  
Disposal Group, Held-for-Sale, Not Discontinued Operations | Cboe Australia and Cboe Canada    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]    
Purchase price of the property | $   $ 300