v3.25.4
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Accrued Interest Receivables Reversed) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Past Due [Line Items]      
Accrued interest receivable written off $ 25 $ 25 $ 15
Commercial      
Financing Receivable, Past Due [Line Items]      
Accrued interest receivable written off 16 16 10
Commercial real estate      
Financing Receivable, Past Due [Line Items]      
Accrued interest receivable written off 5 5 3
Consumer      
Financing Receivable, Past Due [Line Items]      
Accrued interest receivable written off $ 4 $ 4 $ 2