v3.26.1
Derivative Financial Instruments - Derivative Positions Net of Collateral (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative assets $ 26 $ 42
Derivative values (as carried on balance sheet), Assets $ 26 $ 42
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Cash collateral (held) pledged, Assets $ (32) $ (44)
Net position, Assets (6) (2)
Derivative liabilities (91) (79)
Derivative values (as carried on balance sheet), Liabilities $ (91) $ (79)
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Cash collateral (held) pledged, Liabilities $ 52 $ 40
Net position, Liabilities $ (39) $ (39)