Premises and Equipment - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Property, Plant and Equipment [Abstract] | |||
| Depreciation and amortization expense | $ 87 | $ 91 | $ 89 |
| Capitalized computer software | 692 | 597 | |
| Capitalized computer software, accumulated amortization | 399 | 308 | |
| In-process software amortization expense | $ 93 | $ 84 | $ 78 |
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- Definition For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for amortization of capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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