Outstanding Loans and Leases and Allowance for Credit Losses - Commercial Loans, Loans Held-for-sale and Accrued Interest Receivable (Details)

v3.26.1

Outstanding Loans and Leases and Allowance for Credit Losses - Commercial Loans, Loans Held-for-sale and Accrued Interest Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for sale	$ 10,944		$ 5,165
Accrued interest receivable	$ 4,100		$ 4,200
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Other Receivables		Other Receivables
Consumer and Small Business Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest and fee income reversed	$ 222	$ 231
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held for sale	10,900		$ 5,200
Proceeds from sales and paydowns of loans originally classified as LHFS	6,800	13,900
Originations and purchases	12,500	10,500
Commercial \| United States
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subsequent default for loans modified within the last 12 months	$ 209	444
Commercial \| Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average duration	1 year 7 months 6 days
Lending commitments	$ 477	$ 86
Commercial \| Commercial loans \| Forbearance Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average duration	1 year 3 months 18 days	8 months
Commercial \| Commercial loans \| Forbearances \| Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average duration	8 months
Commercial \| Commercial loans \| Forbearances \| Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average duration	2 years

- Definition

Financing Receivable, Held-for-Sale, Excluding Accrued Interest, Not Part of Disposal Group, After Valuation Allowance

+ References

No definition available.

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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

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- Definition

Amount, after allowance for credit loss, of accrued interest on financing receivable.

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- Definition

Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on financing receivable.

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- Definition

Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income.

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- Definition

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

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- Definition

The aggregate amount of cash outflow for loans purchased and created with the intention to resell them in the near future.

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- Definition

The cash inflow from sale proceeds and collection of repayments from borrowers on loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization; includes mortgages and other types of loans.

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Quarterly report [Sections 13 or 15(d)]

Outstanding Loans and Leases and Allowance for Credit Losses - Commercial Loans, Loans Held-for-sale and Accrued Interest Receivable (Details)