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LOANS AND LEASES - Schedule of Loans Modified, Past Due (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | $ 701 | $ 599
Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 640 | 546
30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 22 | 4
60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2 | 2
90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 37 | 47
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 456 | 441
Commercial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 413 | 434
Commercial | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 9 | 4
Commercial | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 1
Commercial | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 33 | 2
Commercial | Commercial construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 12 | 4
Commercial | Commercial construction | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 12 | 4
Commercial | Commercial construction | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Commercial construction | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Commercial construction | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 54 | 18
Commercial | Owner occupied commercial mortgage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 51 | 17
Commercial | Owner occupied commercial mortgage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 3 | 1
Commercial | Owner occupied commercial mortgage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Owner occupied commercial mortgage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Non-owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 225 | 298
Commercial | Non-owner occupied commercial mortgage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 220 | 297
Commercial | Non-owner occupied commercial mortgage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 5 | 0
Commercial | Non-owner occupied commercial mortgage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Commercial | Non-owner occupied commercial mortgage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 1
Commercial | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 165 | 121
Commercial | Commercial and industrial | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 130 | 116
Commercial | Commercial and industrial | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 3
Commercial | Commercial and industrial | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 1
Commercial | Commercial and industrial | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 33 | 1
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 24 | 17
Consumer | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 17 | 15
Consumer | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2 | 0
Consumer | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 1
Consumer | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 4 | 1
Consumer | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 14 | 14
Consumer | Residential mortgage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 8 | 12
Consumer | Residential mortgage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 2 | 0
Consumer | Residential mortgage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 1
Consumer | Residential mortgage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 3 | 1
Consumer | Revolving mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 10 | 3
Consumer | Revolving mortgage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 9 | 3
Consumer | Revolving mortgage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Consumer | Revolving mortgage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
Consumer | Revolving mortgage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 1 | 0
SVB |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 221 | 141
SVB | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 210 | 97
SVB | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 11 | 0
SVB | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 44
SVB | Investor dependent - early stage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 40 | 26
SVB | Investor dependent - early stage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 29 | 22
SVB | Investor dependent - early stage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 11 | 0
SVB | Investor dependent - early stage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Investor dependent - early stage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 4
SVB | Investor dependent - growth stage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 59 | 36
SVB | Investor dependent - growth stage | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 59 | 36
SVB | Investor dependent - growth stage | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Investor dependent - growth stage | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Investor dependent - growth stage | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Innovation C&I and cash flow dependent |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 122 | 79
SVB | Innovation C&I and cash flow dependent | Current |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 122 | 39
SVB | Innovation C&I and cash flow dependent | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Innovation C&I and cash flow dependent | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | 0 | 0
SVB | Innovation C&I and cash flow dependent | 90 Days or Greater |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans and leases | $ 0 | $ 40

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