v3.26.1
Derivatives (Derivatives - Narrative) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative AOCI associated with Cash Flow Hedges Pre Tax $ 317 $ 219
Derivative asset, before liabilities offset 1,500  
Derivative asset, liabilities offset $ 1,500