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Mortgage Servicing Rights (Tables)
12 Months Ended
Dec. 31, 2024
Transfers and Servicing [Abstract]  
Schedule of Servicing Assets at Fair Value
The following table presents the changes in fair value of the Company's MSR portfolio related to its mortgage banking business and other information related to its servicing portfolio:
Year Ended December 31,
20242023
(in millions)
Balance, beginning of period$1,124 $1,148 
Additions from loans sold with servicing rights retained923 865 
Carrying value of MSRs sold(905)(800)
Change in fair value144 11 
Mark to market adjustments 
Realization of cash flows(159)(104)
Balance, end of period$1,127 $1,124 
Unpaid principal balance of mortgage loans serviced for others$61,089 $68,647 
Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets
The following table presents the effect of hypothetical changes in the fair value of MSRs caused by assumed immediate changes in the below inputs that are used to determine fair value:
December 31, 2024
(in millions)
Fair value of mortgage servicing rights$1,127 
Increase (decrease) in fair value resulting from:
Interest rate change of 50 basis points
Adverse change(64)
Favorable change49 
Option adjusted spread change of 50 basis points
Increase(25)
Decrease26 
Conditional prepayment rate change of 1%
Increase(30)
Decrease33 
Cost to service change of 10%
Increase(13)
Decrease13