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LOANS AND LEASES - Schedule of Loans by Class (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 147,930 | $ 140,221 | $ 133,302
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 120,734 | 112,377 |
Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 44,721 | 43,559 |
Commercial | Capital call lines |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 31,791 | 25,501 |
Commercial | Owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17,660 | 16,842 |
Commercial | Investor dependent |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,778 | 3,193 |
Commercial | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 23,784 | 23,282 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 27,196 | 27,844 |
Consumer | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 21,861 | 22,768 |
Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,863 | 2,567 |
Consumer | Auto |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,416 | 1,523 |
Consumer | Other consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 1,056 | $ 986 |

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