v3.25.2
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Major Portfolio Segment and Specific Loan Class) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Losses [Line Items]    
Loans held for sale $ 172 $ 74
Total loans and leases 60,833 59,410
Commercial:    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 31,646 30,965
Commercial: | Commercial and industrial    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 17,526 16,891
Commercial: | Owner-occupied    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 9,377 9,333
Commercial: | Municipal    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 4,376 4,364
Commercial: | Leasing    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 367 377
Commercial real estate:    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 13,611 13,477
Commercial real estate: | Term    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 11,186 10,703
Commercial real estate: | Construction and land development    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 2,425 2,774
Consumer:    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 15,576 14,968
Consumer: | 1-4 family residential    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 10,431 9,939
Consumer: | Home equity credit line    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 3,784 3,641
Consumer: | Construction and other consumer real estate    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 743 810
Consumer: | Bankcard and other revolving plans    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases 496 457
Consumer: | Other    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total loans and leases $ 122 $ 121