v3.26.3
Derivative Financial Instruments - Information Regarding Exposure to Credit Loss on Call Options Held (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value    
Fair Value $ 2,073 $ 1,588
Derivatives not designated as hedging instruments    
Derivatives, Fair Value    
Fair Value 2,073 1,577
Derivative Instruments, Excluding Futures | Derivatives not designated as hedging instruments    
Derivatives, Fair Value    
Fair Value 828 1,137
Collateral 851 1,185
Net credit risk $ 37 $ 34