v3.25.4
Securitizations and Variable Interest Entities, Residential MSRs - Assumptions at Securitization Date (Details) - Residential mortgage servicing rights [Member] - $ / loan
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]      
Prepayment rate 15.20% 16.50% 16.80%
Discount rate 9.90% 10.00% 9.70%
Cost to service ($ per loan) 63 148 178