v3.25.4
COLLATERALIZED REINSURANCE, TRUST AGREEMENTS AND OTHER RESTRICTED ASSETS - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Effects of Reinsurance [Line Items]    
Restricted cash $ 122 $ 397
Mt Logan Re    
Effects of Reinsurance [Line Items]    
Percentage of voting common shares owned by group (in percent) 100.00%