Mortgage Servicing Rights - Effect of Hypothetical Changes in the Fair Value of MSRs (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
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| Transfers and Servicing [Abstract] | ||||
| Fair value of mortgage servicing rights | $ 1,516 | $ 1,494 | $ 1,241 | $ 1,127 |
| Option adjusted spread | ||||
| 10% change | (26) | |||
| 20% change | (51) | |||
| Conditional prepayment rate | ||||
| 10% change | (54) | |||
| 20% change | (103) | |||
| Cost to service | ||||
| 10% change | (13) | |||
| 20% change | $ (26) |
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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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- References No definition available.
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- Definition Schedule of Sensitivity Analysis of Fair Value, Conditional Prepayment Rate Change No definition available.
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- Definition Schedule of Sensitivity Analysis of Fair Value, Discount Rate Change No definition available.
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- Definition Schedule of Sensitivity Analysis of Fair Value, Interest Rate Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Conditional Prepayment Rate, 10% Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Conditional Prepayment Rate, 20% Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Cost To Service, 10% Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Cost To Service, 20% Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Option Adjusted Spread, 10% Change No definition available.
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- Definition Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets, Impact of Option Adjusted Spread, 20% Change No definition available.
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