v3.25.2
Derivative Financial Instruments - Collateral and Credit Default Swaps (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Securities pledged as collateral    
Derivatives, Fair Value [Line Items]    
Cash collateral held for securities loan agreement $ 0 $ 3
Collateral Securities Repledged, Delivered, or Used 142 133
Over the Counter | Payables under securities loan agreement, including collateral held    
Derivatives, Fair Value [Line Items]    
Cash collateral held for securities loan agreement 9 31
Exchange Cleared | Payables under securities loan agreement, including collateral held    
Derivatives, Fair Value [Line Items]    
Cash collateral held for securities loan agreement $ 94 $ 54