v3.26.1
Servicing Assets - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Servicing Assets at Fair Value [Line Items]      
Unpaid principal balance of loans serviced for others requiring recognition of servicing asset $ 4,190   $ 3,960
Unpaid principal balances of loan serviced for others $ 5,990   $ 5,600
Weighted Average      
Servicing Assets at Fair Value [Line Items]      
Discount rate (in percent) 12.80% 13.50%  
Prepayment rate (in percent) 16.70% 16.00%