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LOANS AND LEASES - Schedule of Loans and Leases Delinquency Status (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 140,152 | $ 139,037 |
Nonaccrual Loans | 1,206 | 1,184 |
Total loans and leases | 141,358 | 140,221 | $ 135,370
Financing receivable, accrued interest reversed to nonaccrual status | 7 | 14 |
Financing receivable, nonaccrual without allowance for credit loss | 419 | 303 |
Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,029 | 751 |
30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 717 | 516 |
60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 178 | 126 |
90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 134 | 109 |
Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 139,123 | 138,286 |
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 71,702 | 70,987 |
Nonaccrual Loans | 838 | 812 |
Total loans and leases | 72,540 | 71,799 |
Commercial | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 678 | 431 |
Commercial | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 417 | 245 |
Commercial | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 136 | 87 |
Commercial | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 125 | 99 |
Commercial | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 71,024 | 70,556 |
Commercial | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5,520 | 5,100 |
Nonaccrual Loans | 9 | 9 |
Total loans and leases | 5,529 | 5,109 |
Commercial | Commercial construction | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 79 | 23 |
Commercial | Commercial construction | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 21 | 21 |
Commercial | Commercial construction | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17 | 1 |
Commercial | Commercial construction | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 41 | 1 |
Commercial | Commercial construction | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5,441 | 5,077 |
Commercial | Owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 16,875 | 16,780 |
Nonaccrual Loans | 76 | 62 |
Total loans and leases | 16,951 | 16,842 |
Commercial | Owner occupied commercial mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 69 | 41 |
Commercial | Owner occupied commercial mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 59 | 30 |
Commercial | Owner occupied commercial mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 7 | 9 |
Commercial | Owner occupied commercial mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 2 |
Commercial | Owner occupied commercial mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 16,806 | 16,739 |
Commercial | Non-owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 15,772 | 15,769 |
Nonaccrual Loans | 367 | 425 |
Total loans and leases | 16,139 | 16,194 |
Commercial | Non-owner occupied commercial mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 229 | 148 |
Commercial | Non-owner occupied commercial mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 104 | 43 |
Commercial | Non-owner occupied commercial mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 54 | 27 |
Commercial | Non-owner occupied commercial mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 71 | 78 |
Commercial | Non-owner occupied commercial mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 15,543 | 15,621 |
Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 31,542 | 31,355 |
Nonaccrual Loans | 357 | 285 |
Total loans and leases | 31,899 | 31,640 |
Commercial | Commercial and industrial | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 244 | 173 |
Commercial | Commercial and industrial | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 185 | 118 |
Commercial | Commercial and industrial | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 50 | 39 |
Commercial | Commercial and industrial | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9 | 16 |
Commercial | Commercial and industrial | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 31,298 | 31,182 |
Commercial | Leases |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,993 | 1,983 |
Nonaccrual Loans | 29 | 31 |
Total loans and leases | 2,022 | 2,014 |
Commercial | Leases | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 57 | 46 |
Commercial | Leases | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 48 | 33 |
Commercial | Leases | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 8 | 11 |
Commercial | Leases | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 | 2 |
Commercial | Leases | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,936 | 1,937 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 27,951 | 28,047 |
Nonaccrual Loans | 196 | 181 |
Total loans and leases | 28,147 | 28,228 |
Consumer | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 267 | 256 |
Consumer | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 220 | 209 |
Consumer | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 38 | 37 |
Consumer | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9 | 10 |
Consumer | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 27,684 | 27,791 |
Consumer | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 22,899 | 23,004 |
Nonaccrual Loans | 161 | 148 |
Total loans and leases | 23,060 | 23,152 |
Consumer | Residential mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 222 | 206 |
Consumer | Residential mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 188 | 172 |
Total loans and leases | 201 | 184 |
Consumer | Residential mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 28 | 27 |
Total loans and leases | 40 | 41 |
Consumer | Residential mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 6 | 7 |
Total loans and leases | 107 | 99 |
Consumer | Residential mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 22,677 | 22,798 |
Total loans and leases | 22,712 | 22,828 |
Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,609 | 2,543 |
Nonaccrual Loans | 26 | 24 |
Total loans and leases | 2,635 | 2,567 |
Consumer | Revolving mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 22 | 24 |
Consumer | Revolving mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17 | 20 |
Total loans and leases | 20 | 22 |
Consumer | Revolving mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5 | 4 |
Total loans and leases | 7 | 6 |
Consumer | Revolving mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
Total loans and leases | 11 | 11 |
Consumer | Revolving mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,587 | 2,519 |
Total loans and leases | 2,597 | 2,528 |
Consumer | Consumer auto |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,479 | 1,515 |
Nonaccrual Loans | 8 | 8 |
Total loans and leases | 1,487 | 1,523 |
Consumer | Consumer auto | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 12 | 15 |
Consumer | Consumer auto | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10 | 12 |
Total loans and leases | 10 | 13 |
Consumer | Consumer auto | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2 | 3 |
Total loans and leases | 4 | 4 |
Consumer | Consumer auto | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
Total loans and leases | 3 | 4 |
Consumer | Consumer auto | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,467 | 1,500 |
Total loans and leases | 1,470 | 1,502 |
Consumer | Consumer other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 964 | 985 |
Nonaccrual Loans | 1 | 1 |
Total loans and leases | 965 | 986 |
Consumer | Consumer other | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 11 | 11 |
Consumer | Consumer other | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5 | 5 |
Total loans and leases | 6 | 5 |
Consumer | Consumer other | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 3 |
Total loans and leases | 3 | 3 |
Consumer | Consumer other | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 3 |
Total loans and leases | 3 | 3 |
Consumer | Consumer other | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 953 | 974 |
Total loans and leases | 953 | 975 |
SVB |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 40,499 | 40,003 |
Nonaccrual Loans | 172 | 191 |
Total loans and leases | 40,671 | 40,194 |
SVB | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 84 | 64 |
SVB | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 80 | 62 |
SVB | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4 | 2 |
SVB | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 40,415 | 39,939 |
SVB | Global fund banking |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 28,572 | 27,904 |
Nonaccrual Loans | 0 | 0 |
Total loans and leases | 28,572 | 27,904 |
SVB | Global fund banking | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Global fund banking | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Global fund banking | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Global fund banking | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Global fund banking | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 28,572 | 27,904 |
SVB | Investor dependent - early stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 880 | 956 |
Nonaccrual Loans | 28 | 41 |
Total loans and leases | 908 | 997 |
SVB | Investor dependent - early stage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 6 | 9 |
SVB | Investor dependent - early stage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5 | 8 |
SVB | Investor dependent - early stage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 | 1 |
SVB | Investor dependent - early stage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 0 |
SVB | Investor dependent - early stage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 874 | 947 |
SVB | Investor dependent - growth stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,008 | 2,150 |
Nonaccrual Loans | 42 | 46 |
Total loans and leases | 2,050 | 2,196 |
SVB | Investor dependent - growth stage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5 | 2 |
SVB | Investor dependent - growth stage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2 | 2 |
SVB | Investor dependent - growth stage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 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 | Investor dependent - growth stage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,003 | 2,148 |
SVB | Innovation C&I and cash flow dependent |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,039 | 8,993 |
Nonaccrual Loans | 102 | 104 |
Total loans and leases | 9,141 | 9,097 |
SVB | Innovation C&I and cash flow dependent | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 73 | 53 |
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 | 73 | 52 |
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 | 1 |
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 | 0 |
SVB | Innovation C&I and cash flow dependent | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 8,966 | $ 8,940 |

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