Commitments and contingencies - Commitments and Contingent Liabilities Outstanding (Detail) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Commitments to extend credit | ||
| Commercial and industrial | $ 34,303 | $ 31,521 |
| Commercial real estate loans to be sold | 659 | 479 |
| Other commercial real estate | 2,004 | 2,697 |
| Residential real estate loans to be sold | 248 | 190 |
| Other residential real estate | 423 | 517 |
| Home equity lines of credit | 7,927 | 7,933 |
| Credit cards | 6,357 | 6,087 |
| Other | 278 | 244 |
| Standby letters of credit | 2,305 | 2,260 |
| Commercial letters of credit | 40 | 58 |
| Financial guarantees and indemnification contracts | 4,503 | 4,335 |
| Commitments to sell real estate loans | $ 1,424 | $ 1,142 |
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- Definition Commitments regarding commercial letters of credit. No definition available.
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- Definition Commitments regarding financial guarantees and indemnification contracts. No definition available.
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- Definition Commitments to extend credit. No definition available.
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- Definition Commitments To Extend Credit For Commercial And Industrial No definition available.
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- Definition Commitments to extend credit for commercial and other. No definition available.
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- Definition Commitments to extend credit for commercial real estate loans to be sold. No definition available.
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- Definition Commitments To Extend Credit For Credit Cards No definition available.
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- Definition Commitments to extend credit for home equity lines of credit. No definition available.
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- Definition Commitments to extend credit for other commercial real estate. No definition available.
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- Definition Commitments to extend credit for other residential real estate. No definition available.
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- Definition Commitments to extend credit for residential real estate loans to be sold. No definition available.
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- Definition Commitments to sell real estate loans notional amount. No definition available.
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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