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LOANS AND LEASES - Schedule of Loans by Class (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 140,221 | $ 133,302 | $ 70,781
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 71,799 | 66,232 |
Commercial | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5,109 | 3,918 |
Commercial | Owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 16,842 | 15,471 |
Commercial | Non-owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 16,194 | 14,995 |
Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 31,640 | 29,794 |
Commercial | Leases |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,014 | 2,054 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 28,228 | 27,559 |
Consumer | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 23,152 | 22,776 |
Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,567 | 2,165 |
Consumer | Consumer auto |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,523 | 1,442 |
Consumer | Consumer other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 986 | 1,176 |
SVB |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 40,194 | 39,511 |
SVB | Global fund banking |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 27,904 | 25,553 |
SVB | Investor dependent - early stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 997 | 1,403 |
SVB | Investor dependent - growth stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,196 | 2,897 |
SVB | Innovation C&I and cash flow dependent |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 9,097 | $ 9,658 |

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