v3.25.4
Mortgage Servicing Rights - Schedule of Changes in the Fair Value of Residential First Mortgage MSRs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Servicing Asset at Fair Value [Roll Forward]    
Decrease in MSR fair value due to pay-offs, pay-downs, run-off, model changes and other $ (105) $ (80)
Changes in estimates of fair value due to interest rate risk $ 30 $ 1
Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration] Mortgage Servicing Rights (MSR) Impairment (Recovery) Mortgage Servicing Rights (MSR) Impairment (Recovery)
Residential First Mortgage    
Servicing Asset at Fair Value [Roll Forward]    
Balance at beginning of period $ 1,111 $ 1,033
Additions from loans sold with servicing retained 184 208
Reductions from sales (1,194) (51)
Decrease in MSR fair value due to pay-offs, pay-downs, run-off, model changes and other (105) (80)
Changes in estimates of fair value due to interest rate risk 30 1
Fair value of MSRs at end of period $ 26 $ 1,111