v3.25.4
Servicing of Financial Assets (Analysis Of Residential and Commerical MSRs Under The Fair Value Measurement Method) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period $ 1,007    
Carrying value, end of period 970 $ 1,007  
Residential Mortgage      
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period 1,007 906 $ 812
Additions 27 26 27
Servicing Asset, at fair value, purchases 29 138 158
Increase (decrease) in fair value, due to change in valuation inputs or assumptions 20 60 17
Increase (decrease) in fair value, economic amortization associated with borrower repayments (113) (123) (108)
Carrying value, end of period 970 1,007 906
Commercial Real Estate      
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period 97 81 78
Additions 12 23 5
Increase (decrease) in fair value, due to change in valuation inputs or assumptions 2 9 13
Increase (decrease) in fair value, economic amortization associated with borrower repayments (18) (16) (15)
Carrying value, end of period $ 93 $ 97 $ 81