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LOANS AND LEASES - Schedule of Nonaccrual Status (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | $ 1,141 | $ 969
Loans > 90 Days and Accruing | 152 | 123
Financing receivable, accrued interest reversed to nonaccrual status | 8 | 10
Financing receivable, nonaccrual without allowance for credit loss | 233 | 138
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 880 | 698
Loans > 90 Days and Accruing | 141 | 114
Commercial | Commercial construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 1 | 2
Loans > 90 Days and Accruing | 0 | 1
Commercial | Owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 66 | 60
Loans > 90 Days and Accruing | 1 | 8
Commercial | Non-owner occupied commercial mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 533 | 411
Loans > 90 Days and Accruing | 105 | 39
Commercial | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 246 | 194
Loans > 90 Days and Accruing | 34 | 59
Commercial | Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 34 | 31
Loans > 90 Days and Accruing | 1 | 7
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 150 | 154
Loans > 90 Days and Accruing | 11 | 7
Consumer | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 121 | 127
Loans > 90 Days and Accruing | 8 | 4
Consumer | Revolving mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 22 | 21
Loans > 90 Days and Accruing | 0 | 0
Consumer | Consumer auto |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 6 | 5
Loans > 90 Days and Accruing | 0 | 0
Consumer | Consumer other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 1 | 1
Loans > 90 Days and Accruing | 3 | 3
SVB |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 111 | 117
Loans > 90 Days and Accruing | 0 | 2
SVB | Global fund banking |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 0 | 0
Loans > 90 Days and Accruing | 0 | 0
SVB | Investor dependent - early stage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 40 | 37
Loans > 90 Days and Accruing | 0 | 2
SVB | Investor dependent - growth stage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 47 | 37
Loans > 90 Days and Accruing | 0 | 0
SVB | Innovation C&I and cash flow dependent |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual Loans | 24 | 43
Loans > 90 Days and Accruing | $ 0 | $ 0

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