Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||||
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Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Variable Interest Entity [Line Items] | |||||||
| Interest and fees on loans | [1] | $ 5,591 | $ 5,510 | $ 16,384 | $ 16,150 | ||
| Provision for credit losses | 1,266 | 1,146 | 3,802 | 3,783 | |||
| Investments in affordable housing properties | 938 | 938 | $ 943 | ||||
| Amortization of affordable housing properties investments | 39 | 35 | 118 | 108 | |||
| Tax credits and other benefits of affordable housing properties investments | (47) | (45) | (144) | (133) | |||
| Other investments in non-consolidated VIEs | 328 | 328 | $ 301 | ||||
| Investments Funding Commitment | |||||||
| Variable Interest Entity [Line Items] | |||||||
| Other commitments | 200 | 200 | |||||
| Variable Interest Entity, Primary Beneficiary | |||||||
| Variable Interest Entity [Line Items] | |||||||
| Interest and fees on loans | 1,146 | 1,115 | 3,415 | 3,232 | |||
| Provision for credit losses | 221 | 140 | 682 | 602 | |||
| Interest on borrowings of consolidated securitization entities | 106 | $ 105 | 323 | $ 313 | |||
| Committed funding amount | $ 470 | $ 470 | |||||
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- Definition Other investments in non-consolidated VIEs No definition available.
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- Definition Amount, before amortization expense, of income tax credit and other tax benefit generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of amortization expense for investment that generates income tax credit and other income tax benefit under tax credit program accounted for using proportional amortization method. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Aggregate amount of interest expense on all borrowings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of commitment and contingent commitment, including amount of delayed equity contribution, for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, commitment and contingent commitment related to investment under tax credit program not meeting condition for accounting under proportional amortization method. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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