XML 104 R80.htm IDEA: XBRL DOCUMENT v3.25.0.1
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, 2024
Dec. 31, 2023
Dec. 31, 2022
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period $ 906    
Carrying value, end of period 1,007 $ 906  
Residential Mortgage      
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period 906 812 $ 418
Additions 26 27 44
Servicing Asset, at fair value, purchases 138 158 301
Increase (decrease) in fair value, due to change in valuation inputs or assumptions 60 17 127
Increase (decrease) in fair value, economic amortization associated with borrower repayments (123) (108) (78)
Carrying value, end of period 1,007 906 812
Commercial Real Estate      
Servicing Asset at Fair Value, Amount [Roll Forward]      
Carrying Value, beginning of period 81 78 62
Additions 23 5 18
Increase (decrease) in fair value, due to change in valuation inputs or assumptions 9 13 12
Increase (decrease) in fair value, economic amortization associated with borrower repayments (16) (15) (14)
Carrying value, end of period $ 97 $ 81 $ 78