Mortgage Banking Activity - Schedule of Mortgage Servicing Rights Carrying Amount and Accumulated Amortization (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Mortgage Banking [Abstract] | ||
| Gross Carrying Amount | $ 28 | $ 23 |
| Accumulated Amortization | (8) | (7) |
| Net Carrying Amount | $ 20 | $ 16 |
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- Definition Accumulated Amortization Of Mortgage Servicing Rights (MSRs) No definition available.
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- References No definition available.
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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amortized amount of 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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