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LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 69 | $ 66
Commercial and industrial | Commercial: | Equipment and machinery |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 1 |
Weighted average LTV | 101.00% |
Owner-occupied | Commercial: | Industrial building |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 9 |
Weighted average LTV | 56.00% |
Owner-occupied | Commercial: | Retail facility |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost |  | $ 6
Weighted average LTV |  | 64.00%
Municipal | Commercial: | Multifamily apartments |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 5 | $ 5
Weighted average LTV | 169.00% | 174.00%
Term | Commercial real estate: | Office building |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 51 | $ 49
Weighted average LTV | 96.00% | 98.00%
1-4 family residential | Consumer: | Single family residential |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost | $ 3 | $ 3
Weighted average LTV | 48.00% | 38.00%
Home equity credit line | Consumer: | Single family residential |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Amortized cost |  | $ 3
Weighted average LTV |  | 29.00%

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