v3.26.1
Mortgage Servicing Assets - OSMR (Details) - Originated Mortgage Servicing Rights
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]  
Unpaid principal balance of loans sold during the period $ 8,511
Pretax gains related to the sale of mortgage loans $ 131
Weighted average servicing fee rate 0.16%
Escrow earn rate assumptions 4.88%
Discount rate assumptions 9.82%
Default rate assumptions 1.04%
Prepayment rate assumptions 12.71%