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Commitments and contingencies (Tables) | 3 Months Ended
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Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingent Liabilities Outstanding | The following table presents the Company's significant commitments. Certain of these commitments are not included in the Company's Consolidated Balance Sheet.
| March 31, |  |  | December 31, |
(Dollars in millions) | 2024 |  |  | 2023 |
Commitments to extend credit: |  |  |  |  |
Commercial and industrial | $ | 28,439 |  |  | $ | 28,566 |
Commercial real estate loans to be sold |  | 451 |  |  |  | 916 |
Other commercial real estate |  | 4,413 |  |  |  | 5,019 |
Residential real estate loans to be sold |  | 211 |  |  |  | 163 |
Other residential real estate |  | 393 |  |  |  | 331 |
Home equity lines of credit |  | 8,080 |  |  |  | 8,109 |
Credit cards |  | 5,651 |  |  |  | 5,578 |
Other |  | 389 |  |  |  | 413 |
Standby letters of credit |  | 2,230 |  |  |  | 2,289 |
Commercial letters of credit |  | 56 |  |  |  | 62 |
Financial guarantees and indemnification contracts |  | 4,129 |  |  |  | 4,036 |
Commitments to sell real estate loans |  | 1,329 |  |  |  | 1,400 |

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