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Commitments and contingencies (Tables) | 6 Months Ended
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Jun. 30, 2025
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingent Liabilities Outstanding | The following table presents the Company's significant credit-related commitments. Certain of these commitments are not included in the Company's Consolidated Balance Sheet.
(Dollars in millions) | June 30, 2025 |  | December 31, 2024
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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