v3.26.3
Loan Servicing - Residential Mortgage Banking Activities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]        
Servicing fees recognized from mortgage loans serviced for others $ 84 $ 1,558 $ 3,281 $ 4,350
Residential mortgage        
Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]        
UPB of residential mortgage loans sold from LHFS     12,613 7,937
Pre-tax gains recognized on mortgage loans sold and held for sale     $ 56 $ 53
Approximate weighted average servicing fee on the outstanding balance of residential mortgage loans serviced for others 0.29% 0.28% 0.29% 0.28%
Weighted average interest rate on mortgage loans serviced for others 3.80% 3.75% 3.80% 3.75%
Bank Servicing | Residential mortgage        
Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]        
Servicing fees recognized from mortgage loans serviced for others     $ 516 $ 464