v3.26.3
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Selected Information on Modified Loans) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 198 $ 216 $ 461 $ 504
Percentage of total loans 0.30% 0.40% 0.70% 0.80%
Unfunded lending commitments on troubled debt restructuring $ 26 $ 29 $ 26 $ 29
Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 188 210 379 479
Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 2 0 2
Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 8
Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 10 4 82 15
Extended Maturity and Interest Rate Reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 10   78  
Commercial:        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 77 $ 81 $ 126 $ 131
Percentage of total loans 0.20% 0.30% 0.40% 0.40%
Commercial: | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial: | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 77 81 122 131
Commercial: | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 4 0
Commercial: | Commercial and industrial        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 53 $ 58 $ 88 $ 106
Percentage of total loans 0.30% 0.30% 0.50% 0.60%
Commercial: | Commercial and industrial | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial: | Commercial and industrial | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 53 58 84 106
Commercial: | Commercial and industrial | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Commercial and industrial | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Commercial and industrial | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 4 0
Commercial: | Owner-occupied        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 24 $ 23 $ 38 $ 25
Percentage of total loans 0.30% 0.20% 0.40% 0.30%
Commercial: | Owner-occupied | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial: | Owner-occupied | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 24 23 38 25
Commercial: | Owner-occupied | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Owner-occupied | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial: | Owner-occupied | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial real estate:        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 121 $ 129 $ 334 $ 363
Percentage of total loans 0.90% 1.00% 2.40% 2.70%
Commercial real estate: | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial real estate: | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 111 129 257 348
Commercial real estate: | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial real estate: | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 8
Commercial real estate: | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 10 0 77 7
Commercial real estate: | Term        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 99 $ 128 $ 302 $ 337
Percentage of total loans 0.80% 1.20% 2.60% 3.10%
Commercial real estate: | Term | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial real estate: | Term | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 89 128 225 322
Commercial real estate: | Term | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial real estate: | Term | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 8
Commercial real estate: | Term | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 10 0 77 7
Commercial real estate: | Construction and land development        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 22 $ 1 $ 32 $ 26
Percentage of total loans 0.90% 0.00% 1.30% 1.10%
Commercial real estate: | Construction and land development | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 $ 0 $ 0 $ 0
Commercial real estate: | Construction and land development | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 22 1 32 26
Commercial real estate: | Construction and land development | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial real estate: | Construction and land development | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis 0 0 0 0
Commercial real estate: | Construction and land development | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis $ 0 0 0 0
Consumer:        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       $ 10
Percentage of total loans       0.10%
Consumer: | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       $ 0
Consumer: | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       0
Consumer: | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       2
Consumer: | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       0
Consumer: | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       8
Consumer: | 1-4 family residential        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   $ 6 $ 1 $ 9
Percentage of total loans   0.10% 0.00% 0.10%
Consumer: | 1-4 family residential | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   $ 0 $ 0 $ 0
Consumer: | 1-4 family residential | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   0 0 0
Consumer: | 1-4 family residential | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   2 0 2
Consumer: | 1-4 family residential | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   0 0 0
Consumer: | 1-4 family residential | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis   $ 4 $ 1 7
Consumer: | Home equity credit line        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       $ 1
Percentage of total loans       0.00%
Consumer: | Home equity credit line | Interest rate reduction        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       $ 0
Consumer: | Home equity credit line | Maturity or term extension        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       0
Consumer: | Home equity credit line | Principal forgiveness        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       0
Consumer: | Home equity credit line | Payment deferral        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       0
Consumer: | Home equity credit line | Multiple modification types        
Financing Receivable, Modifications [Line Items]        
Amortized cost basis       $ 1