v3.25.4
Fair Value Measurements - Changes in IRLC's (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Interest Rate Lock Commitments [Roll Forward]    
Balance, beginning of the period $ 4 $ 3
Issuances 94 54
Transfers (92) (53)
Fair value changes 2 0
Balance, end of period $ 8 $ 4