v3.26.1
Derivative Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Securities pledged as collateral $ 215 $ 204
Securities Held as Collateral, at Fair Value 3 0
Over the counter    
Derivatives, Fair Value [Line Items]    
Securities held as collateral 3 3
Cleared derivative contract    
Derivatives, Fair Value [Line Items]    
Securities held as collateral $ 54 $ 77