v3.25.4
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost $ 70 $ 66
Commercial and industrial | Commercial | Single family residential    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost $ 3  
Weighted Average LTV 71.00%  
Owner-occupied | Commercial | Agriculture production and industrial buildings    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost $ 23  
Weighted Average LTV 67.00%  
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 $ 2 $ 5
Weighted Average LTV 93.00% 174.00%
Term | Commercial real estate | Office building    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost $ 37 $ 49
Weighted Average LTV 98.00% 98.00%
1-4 family residential | Consumer | Single family residential    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost $ 5 $ 3
Weighted Average LTV 62.00% 29.00%
Home equity credit line | Consumer | Single family residential    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Amortized Cost   $ 3
Weighted Average LTV   38.00%