Mortgage Servicing Rights - Changes in Fair Value of the Company's MSR Portfolio (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Servicing Asset at Fair Value, Amount [Roll Forward] | ||
| Balance, beginning of period | $ 1,494 | $ 1,127 |
| Additions from loans sold with servicing rights retained | 295 | 260 |
| Carrying value of MSRs sold | (211) | (83) |
| Change in fair value | 22 | (20) |
| Realization of cash flows | (84) | (43) |
| Balance, end of period | 1,516 | 1,241 |
| Unpaid principal balance of mortgage loans serviced for others | $ 75,083 | $ 70,563 |
| X | ||||||||||
- Definition Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of increase (decrease) in fair value from changes in the inputs, assumptions, or model used to calculate the fair value of the contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) from changes in fair value classified as other for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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