v3.26.1
COLLATERALIZED REINSURANCE, TRUST AGREEMENTS AND OTHER RESTRICTED ASSETS - Schedule of Restricted Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Effects of Reinsurance [Line Items]    
Collateral for FHLB borrowings $ 1,309 $ 1,418
Securities on deposit with or regulated by government authorities 1,369 1,417
Funds held by reinsureds 410 372
Prepaid employee benefit asset 95 0
Total restricted assets 4,788 5,035
Unaffiliated Party    
Effects of Reinsurance [Line Items]    
Collateral in trust for non-affiliated agreements 677 685
Affiliated Entity    
Effects of Reinsurance [Line Items]    
Collateral in trust for non-affiliated agreements $ 1,023 $ 1,143