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Loans and Leases - Schedule of Loans and Leases Delinquency Status (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 138,288 | $ 70,781 | $ 65,524
Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,213 | 864 |
30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 674 | 480 |
60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 159 | 214 |
90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 380 | 170 |
Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 137,075 | 69,917 |
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 54,390 | 53,455 |
Commercial | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 827 | 685 |
Commercial | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 417 | 387 |
Commercial | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 111 | 192 |
Commercial | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 299 | 106 |
Commercial | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 53,563 | 52,770 |
Commercial | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,971 | 2,804 |
Commercial | Commercial construction | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10 | 51 |
Commercial | Commercial construction | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9 | 50 |
Commercial | Commercial construction | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 | 0 |
Commercial | Commercial construction | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 1 |
Commercial | Commercial construction | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,961 | 2,753 |
Commercial | Owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 14,456 | 14,473 |
Commercial | Owner occupied commercial mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 64 | 59 |
Commercial | Owner occupied commercial mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 30 | 29 |
Commercial | Owner occupied commercial mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 | 5 |
Commercial | Owner occupied commercial mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 34 | 25 |
Commercial | Owner occupied commercial mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 14,392 | 14,414 |
Commercial | Non-owner occupied commercial mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10,292 | 9,902 |
Commercial | Non-owner occupied commercial mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 422 | 231 |
Commercial | Non-owner occupied commercial mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 165 | 76 |
Commercial | Non-owner occupied commercial mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 67 | 144 |
Commercial | Non-owner occupied commercial mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 190 | 11 |
Commercial | Non-owner occupied commercial mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,870 | 9,671 |
Commercial | Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 24,508 | 24,105 |
Commercial | Commercial and industrial | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 249 | 252 |
Commercial | Commercial and industrial | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 158 | 173 |
Commercial | Commercial and industrial | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 30 | 26 |
Commercial | Commercial and industrial | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 61 | 53 |
Commercial | Commercial and industrial | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 24,259 | 23,853 |
Commercial | Leases |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,163 | 2,171 |
Commercial | Leases | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 82 | 92 |
Commercial | Leases | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 55 | 59 |
Commercial | Leases | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 13 | 17 |
Commercial | Leases | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 14 | 16 |
Commercial | Leases | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,081 | 2,079 |
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17,727 | 17,326 |
Consumer | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 180 | 179 |
Consumer | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 98 | 93 |
Consumer | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 24 | 22 |
Consumer | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 58 | 64 |
Consumer | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17,547 | 17,147 |
Consumer | Residential mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 13,727 | 13,309 |
Consumer | Residential mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 140 | 141 |
Consumer | Residential mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 77 | 73 |
Consumer | Residential mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17 | 16 |
Consumer | Residential mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 46 | 52 |
Consumer | Residential mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 13,587 | 13,168 |
Consumer | Revolving mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,916 | 1,951 |
Consumer | Revolving mortgage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 21 | 20 |
Consumer | Revolving mortgage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10 | 9 |
Consumer | Revolving mortgage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 3 |
Consumer | Revolving mortgage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 8 | 8 |
Consumer | Revolving mortgage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,895 | 1,931 |
Consumer | Consumer auto |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,452 | 1,414 |
Consumer | Consumer auto | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10 | 9 |
Consumer | Consumer auto | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 7 | 7 |
Consumer | Consumer auto | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2 | 1 |
Consumer | Consumer auto | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 | 1 |
Consumer | Consumer auto | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,442 | 1,405 |
Consumer | Consumer other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 632 | 652 |
Consumer | Consumer other | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9 | 9 |
Consumer | Consumer other | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4 | 4 |
Consumer | Consumer other | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2 | 2 |
Consumer | Consumer other | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 | 3 |
Consumer | Consumer other | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 623 | 643 |
SVB |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 66,171 | 0 |
SVB | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 206 |  |
SVB | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 159 |  |
SVB | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 24 |  |
SVB | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 23 |  |
SVB | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 65,965 |  |
SVB | Global fund banking |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 36,097 | 0 |
SVB | Global fund banking | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 37 |  |
SVB | Global fund banking | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 37 |  |
SVB | Global fund banking | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 |  |
SVB | Global fund banking | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 |  |
SVB | Global fund banking | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 36,060 |  |
SVB | Investor dependent - growth stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,994 | 0 |
SVB | Investor dependent - growth stage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 22 |  |
SVB | Investor dependent - growth stage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17 |  |
SVB | Investor dependent - growth stage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 3 |  |
SVB | Investor dependent - growth stage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2 |  |
SVB | Investor dependent - growth stage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1,972 |  |
SVB | Investor dependent - early stage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4,418 | 0 |
SVB | Investor dependent - early stage | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 33 |  |
SVB | Investor dependent - early stage | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 25 |  |
SVB | Investor dependent - early stage | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 8 |  |
SVB | Investor dependent - early stage | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 |  |
SVB | Investor dependent - early stage | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4,385 |  |
SVB | Innovation C&I and cash flow dependent |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,193 | 0 |
SVB | Innovation C&I and cash flow dependent | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 38 |  |
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 | 27 |  |
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 | 11 |  |
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 |  |
SVB | Innovation C&I and cash flow dependent | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,155 |  |
SVB | Private Bank |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,476 | 0 |
SVB | Private Bank | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 57 |  |
SVB | Private Bank | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 39 |  |
SVB | Private Bank | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 |  |
SVB | Private Bank | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 17 |  |
SVB | Private Bank | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 9,419 |  |
SVB | CRE |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,444 | 0 |
SVB | CRE | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 5 |  |
SVB | CRE | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4 |  |
SVB | CRE | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 1 |  |
SVB | CRE | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 |  |
SVB | CRE | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,439 |  |
SVB | Other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 2,549 | $ 0 |
SVB | Other | Total Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 14 |  |
SVB | Other | 30-59 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 10 |  |
SVB | Other | 60-89 Days Past Due |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 0 |  |
SVB | Other | 90 Days or Greater |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | 4 |  |
SVB | Other | Current |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total loans and leases | $ 2,535 |  |

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