v3.26.1
LIABILITY FOR UNPAID CLAIMS AND CLAIM ADJUSTMENT EXPENSES - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract]      
Prior accident years $ 3 $ 20  
IBNR plus expected development on reported claims $ 5   $ 6