XML 107 R92.htm IDEA: XBRL DOCUMENT v3.26.1
Sales of Receivables and Servicing Rights - Changes in the Servicing Assets (Details) - Residential mortgage loans - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Servicing Asset at Fair Value, Amount [Roll Forward]    
Balance, beginning of period $ 1,598 $ 1,704
Servicing rights originated 58 25
Changes in fair value:    
Due to changes in inputs or assumptions 6 (25)
Other changes in fair value (80) (75)
Balance, end of period $ 1,582 $ 1,629