v3.26.1
Financial Instruments - Schedule of Changes in IRLCs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Interest Rate Lock Commitments [Roll Forward]        
Balance, beginning of the period $ 12 $ 7 $ 8 $ 4
Issuances 43 24 75 45
Transfers (40) (22) (68) (40)
Fair value changes 1 0 1 0
Balance, end of period $ 16 $ 9 $ 16 $ 9