Loans - Summary of the Financial Effect of Loan Payment Modifications (Details) - Commercial loans - Business and corporate banking - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Financing Receivable, Modified [Line Items] | ||
| Weighted-Average Interest Rate Reduction | 0.00% | 0.00% |
| Weighted-Average Term Extension / Payment Deferral (in years) | 1 year 1 month 6 days | 1 year 9 months 18 days |
| Principal Forgiven | ||
| Financing Receivable, Modified [Line Items] | ||
| Principal Forgiven (in millions) | $ 0 | $ 0 |
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- Definition Amount of increase (decrease) in amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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