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Commitments (Commitments to Extend Credit and Other Commitments) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Other Commitments [Line Items] |  |
Commitments | $ 295,100 | $ 284,768
Liability related to investments in low income housing tax credits | 2,200 | 2,100
Commitments to extend credit |  |
Other Commitments [Line Items] |  |
Commitments | 277,785 | 268,391
Commitments to extend credit | Total commercial lending |  |
Other Commitments [Line Items] |  |
Commitments | 209,864 | 203,080
Commitments to extend credit | Home equity |  |
Other Commitments [Line Items] |  |
Commitments | 24,086 | 23,970
Commitments to extend credit | Credit card |  |
Other Commitments [Line Items] |  |
Commitments | 36,447 | 33,978
Commitments to extend credit | Other |  |
Other Commitments [Line Items] |  |
Commitments | 7,388 | 7,363
Standby letters of credit |  |
Other Commitments [Line Items] |  |
Commitments | 11,251 | 10,913
Standby letters of credit | Remarketing Programs |  |
Other Commitments [Line Items] |  |
Commitments | 3,700 | 3,900
Standby bond purchase agreements |  |
Other Commitments [Line Items] |  |
Commitments | 1,095 | 1,078
Other commitments |  |
Other Commitments [Line Items] |  |
Commitments | $ 4,969 | $ 4,386

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- Definition Represents the liability related to investments in low income housing tax credits which is reflected in other liabilities on our Consolidated Balance Sheet. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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