v3.26.1
INVESTMENTS - Schedule of Roll Forward of Allowance for Credit Losses of Fixed Maturities, Held to Maturity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]        
Beginning balance $ (8) $ (8) $ (6) $ (8)
Credit losses on securities where credit losses were not previously recorded 0 0 (2) 0
Increases in allowance on previously impaired securities 0 0 0 0
Decreases in allowance on previously impaired securities 0 0 0 0
Reduction in allowance due to disposals 0 1 0 1
Balance, end of period (8) (7) (8) (7)
Corporate securities        
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]        
Beginning balance (2) (2) (2) (2)
Credit losses on securities where credit losses were not previously recorded 0 0 0 0
Increases in allowance on previously impaired securities 0 0 0 0
Decreases in allowance on previously impaired securities 0 0 0 0
Reduction in allowance due to disposals 0 0 0 0
Balance, end of period (2) (2) (2) (2)
Asset-backed securities        
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]        
Beginning balance (5) (4) (3) (4)
Credit losses on securities where credit losses were not previously recorded 0 0 (2) 0
Increases in allowance on previously impaired securities 0 0 0 0
Decreases in allowance on previously impaired securities 0 0 0 0
Reduction in allowance due to disposals 0 0 0 1
Balance, end of period (5) (4) (5) (4)
Foreign corporate securities        
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]        
Beginning balance (1) (1) (1) (1)
Credit losses on securities where credit losses were not previously recorded 0 0 0 0
Increases in allowance on previously impaired securities 0 0 0 0
Decreases in allowance on previously impaired securities 0 0 0 0
Reduction in allowance due to disposals 0 1 0 1
Balance, end of period $ (1) $ (1) $ (1) $ (1)