XML 90 R77.htm IDEA: XBRL DOCUMENT v3.25.1
Available-For-Sale Fixed Maturity Securities - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]    
Fair Value $ 47,292 $ 12,877
Securities purchased under agreements to resell 400 0
Securities purchased under agreements to resell, fair value of collateral $ 783 $ 0
Debt securities, available-for-sale, unrealized loss position, investment grade rating, top two designations, percentage 89.00% 87.00%
Deposits    
Debt Securities, Available-for-Sale [Line Items]    
Fair Value $ 65 $ 54
Bonds pledged | Bonds    
Debt Securities, Available-for-Sale [Line Items]    
Fair Value $ 8,800 $ 39