v3.26.3
LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES (Summary of Outstanding Loan Balances (Accruing and Nonaccruing) Categorized by Credit Quality Indicators - Prior Year) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Total loans          
2025 $ 5,994   $ 5,994   $ 10,252
2024 7,329   7,329   7,205
2023 5,603   5,603   5,114
2022 4,280   4,280   8,824
2021 8,124   8,124   5,665
Prior 15,623   15,623   9,135
Revolving loans amortized cost basis 14,972   14,972   14,014
Revolving loans converted to term loans amortized cost basis 547   547   691
Total loans 62,472   62,472   60,900
Gross charge-offs by year of loan origination          
2025 0 $ 0 0 $ 1  
2024 0 1 4 2  
2023 1 3 3 5  
2022 0 1 0 2  
2021 0 3 0 7  
Prior 2 2 9 15  
Revolving loans gross charge-offs 5 57 16 75  
Revolving loans converted to term loans gross charge-offs 1 0 2 0  
Total 9 67 34 107  
Commercial:          
Total loans          
2025 3,160   3,160   5,491
2024 3,980   3,980   4,156
2023 3,239   3,239   2,395
2022 2,204   2,204   3,277
2021 3,128   3,128   2,825
Prior 7,141   7,141   4,502
Revolving loans amortized cost basis 9,318   9,318   8,691
Revolving loans converted to term loans amortized cost basis 240   240   342
Total loans 32,410   32,410   31,679
Gross charge-offs by year of loan origination          
2025   0 0 0  
2024   1 4 2  
2023   0 3 2  
2022   1 0 2  
2021   3 0 6  
Prior   1 3 12  
Revolving loans gross charge-offs   55 9 68  
Revolving loans converted to term loans gross charge-offs   0 2 0  
Total 6 61 21 92  
Commercial real estate:          
Total loans          
2025 1,779   1,779   3,542
2024 2,144   2,144   1,820
2023 1,478   1,478   1,741
2022 1,343   1,343   2,286
2021 1,919   1,919   1,010
Prior 4,204   4,204   1,790
Revolving loans amortized cost basis 1,119   1,119   974
Revolving loans converted to term loans amortized cost basis 169   169   233
Total loans 14,155   14,155   13,396
Gross charge-offs by year of loan origination          
Total 0 3 3 4  
Consumer:          
Total loans          
2025 1,055   1,055   1,219
2024 1,205   1,205   1,229
2023 886   886   978
2022 733   733   3,261
2021 3,077   3,077   1,830
Prior 4,278   4,278   2,843
Revolving loans amortized cost basis 4,535   4,535   4,349
Revolving loans converted to term loans amortized cost basis 138   138   116
Total loans 15,907   15,907   15,825
Gross charge-offs by year of loan origination          
2025 0 0 0 0  
2024 0 0 0 0  
2023 0 0 0 0  
2022 0 0 0 0  
2021 0 0 0 1  
Prior 1 1 3 3  
Revolving loans gross charge-offs 2 2 7 7  
Revolving loans converted to term loans gross charge-offs 0 0 0 0  
Total 3 3 10 11  
Commercial and industrial | Commercial:          
Total loans          
2025 1,963   1,963   3,824
2024 2,677   2,677   2,232
2023 1,539   1,539   1,242
2022 1,103   1,103   992
2021 984   984   399
Prior 1,329   1,329   761
Revolving loans amortized cost basis 9,012   9,012   8,431
Revolving loans converted to term loans amortized cost basis 151   151   230
Total loans 18,758   18,758   18,111
Gross charge-offs by year of loan origination          
2025 0 0 0 0  
2024 0 1 4 2  
2023 1 0 3 2  
2022 0 1 0 2  
2021 0 0 0 3  
Prior 1 1 3 12  
Revolving loans gross charge-offs 3 55 8 68  
Revolving loans converted to term loans gross charge-offs 1 0 2 0  
Total 6 58 20 89  
Owner-occupied | Commercial:          
Total loans          
2025 819   819   1,125
2024 936   936   1,307
2023 1,182   1,182   744
2022 730   730   1,540
2021 1,361   1,361   1,575
Prior 3,967   3,967   2,653
Revolving loans amortized cost basis 303   303   259
Revolving loans converted to term loans amortized cost basis 59   59   71
Total loans 9,357   9,357   9,274
Gross charge-offs by year of loan origination          
2025     0    
2024     0    
2023     0    
2022     0    
2021     0    
Prior     0    
Revolving loans gross charge-offs     1    
Revolving loans converted to term loans gross charge-offs     0    
Total     1    
Municipal | Commercial:          
Total loans          
2025 378   378   542
2024 367   367   617
2023 518   518   409
2022 371   371   745
2021 783   783   851
Prior 1,845   1,845   1,088
Revolving loans amortized cost basis 3   3   1
Revolving loans converted to term loans amortized cost basis 30   30   41
Total loans 4,295   4,295   4,294
Gross charge-offs by year of loan origination          
2025   0   0  
2024   0   0  
2023   0   0  
2022   0   0  
2021   3   3  
Prior   0   0  
Revolving loans gross charge-offs   0   0  
Revolving loans converted to term loans gross charge-offs   0   0  
Total   3   3  
Term | Commercial real estate:          
Total loans          
2025 1,602   1,602   3,043
2024 1,240   1,240   1,266
2023 1,103   1,103   1,360
2022 1,195   1,195   2,239
2021 1,881   1,881   1,009
Prior 4,192   4,192   1,789
Revolving loans amortized cost basis 411   411   344
Revolving loans converted to term loans amortized cost basis 123   123   184
Total loans 11,747   11,747   11,234
Gross charge-offs by year of loan origination          
2025   0 0 1  
2024   0 0 0  
2023   3 0 3  
2022   0 0 0  
2021   0 0 0  
Prior   0 3 0  
Revolving loans gross charge-offs   0 0 0  
Revolving loans converted to term loans gross charge-offs   0 0 0  
Total   3 3 4  
Construction and land development | Commercial real estate:          
Total loans          
2025 177   177   499
2024 904   904   554
2023 375   375   381
2022 148   148   47
2021 38   38   1
Prior 12   12   1
Revolving loans amortized cost basis 708   708   630
Revolving loans converted to term loans amortized cost basis 46   46   49
Total loans 2,408   2,408   2,162
1-4 family residential | Consumer:          
Total loans          
2025 904   904   918
2024 733   733   852
2023 713   713   872
2022 695   695   3,159
2021 3,052   3,052   1,821
Prior 4,273   4,273   2,840
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 10,370   10,370   10,462
Gross charge-offs by year of loan origination          
2025       0  
2024       0  
2023       0  
2022       0  
2021       1  
Prior       2  
Revolving loans gross charge-offs       0  
Revolving loans converted to term loans gross charge-offs       0  
Total       3  
Home equity credit line | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 3,996   3,996   3,835
Revolving loans converted to term loans amortized cost basis 138   138   115
Total loans 4,134   4,134   3,950
Gross charge-offs by year of loan origination          
2025       0  
2024       0  
2023       0  
2022       0  
2021       0  
Prior       0  
Revolving loans gross charge-offs       1  
Revolving loans converted to term loans gross charge-offs       0  
Total       1  
Construction and other consumer real estate | Consumer:          
Total loans          
2025 106   106   246
2024 440   440   351
2023 157   157   87
2022 26   26   91
2021 19   19   5
Prior 3   3   2
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 751   751   782
Bankcard and other revolving plans | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 539   539   514
Revolving loans converted to term loans amortized cost basis 0   0   1
Total loans 539   539   515
Gross charge-offs by year of loan origination          
2025 0 0 0 0  
2024 0 0 0 0  
2023 0 0 0 0  
2022 0 0 0 0  
2021 0 0 0 0  
Prior 0 0 0 0  
Revolving loans gross charge-offs 2 2 7 6  
Revolving loans converted to term loans gross charge-offs 0 0 0 0  
Total 2 2 7 6  
Other | Consumer:          
Total loans          
2025 45   45   55
2024 32   32   26
2023 16   16   19
2022 12   12   11
2021 6   6   4
Prior 2   2   1
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 113   113   116
Gross charge-offs by year of loan origination          
2025 0 0 0 0  
2024 0 0 0 0  
2023 0 0 0 0  
2022 0 0 0 0  
2021 0 0 0 0  
Prior 1 1 3 1  
Revolving loans gross charge-offs 0 0 0 0  
Revolving loans converted to term loans gross charge-offs 0 0 0 0  
Total 1 $ 1 3 $ 1  
Pass | Commercial and industrial | Commercial:          
Total loans          
2025 1,962   1,962   3,746
2024 2,548   2,548   2,058
2023 1,427   1,427   1,143
2022 985   985   898
2021 887   887   350
Prior 1,160   1,160   698
Revolving loans amortized cost basis 8,788   8,788   8,141
Revolving loans converted to term loans amortized cost basis 125   125   197
Total loans 17,882   17,882   17,231
Pass | Owner-occupied | Commercial:          
Total loans          
2025 817   817   1,112
2024 907   907   1,234
2023 1,126   1,126   727
2022 675   675   1,414
2021 1,265   1,265   1,492
Prior 3,793   3,793   2,515
Revolving loans amortized cost basis 266   266   227
Revolving loans converted to term loans amortized cost basis 54   54   67
Total loans 8,903   8,903   8,788
Pass | Municipal | Commercial:          
Total loans          
2025 378   378   542
2024 367   367   614
2023 518   518   409
2022 357   357   745
2021 783   783   849
Prior 1,824   1,824   1,070
Revolving loans amortized cost basis 3   3   1
Revolving loans converted to term loans amortized cost basis 30   30   41
Total loans 4,260   4,260   4,271
Pass | Term | Commercial real estate:          
Total loans          
2025 1,602   1,602   2,643
2024 1,223   1,223   1,223
2023 1,025   1,025   1,167
2022 970   970   1,741
2021 1,475   1,475   956
Prior 3,882   3,882   1,747
Revolving loans amortized cost basis 385   385   318
Revolving loans converted to term loans amortized cost basis 90   90   140
Total loans 10,652   10,652   9,935
Pass | Construction and land development | Commercial real estate:          
Total loans          
2025 177   177   446
2024 904   904   540
2023 327   327   375
2022 139   139   47
2021 38   38   1
Prior 12   12   1
Revolving loans amortized cost basis 696   696   624
Revolving loans converted to term loans amortized cost basis 46   46   49
Total loans 2,339   2,339   2,083
Pass | 1-4 family residential | Consumer:          
Total loans          
2025 904   904   917
2024 732   732   847
2023 709   709   867
2022 688   688   3,144
2021 3,038   3,038   1,808
Prior 4,238   4,238   2,812
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 10,309   10,309   10,395
Pass | Home equity credit line | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 3,959   3,959   3,799
Revolving loans converted to term loans amortized cost basis 133   133   111
Total loans 4,092   4,092   3,910
Pass | Construction and other consumer real estate | Consumer:          
Total loans          
2025 106   106   246
2024 439   439   351
2023 157   157   87
2022 26   26   91
2021 19   19   5
Prior 3   3   2
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 750   750   782
Pass | Bankcard and other revolving plans | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 536   536   511
Revolving loans converted to term loans amortized cost basis 0   0   1
Total loans 536   536   512
Pass | Other | Consumer:          
Total loans          
2025 45   45   55
2024 32   32   26
2023 16   16   19
2022 11   11   11
2021 6   6   4
Prior 2   2   1
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 112   112   116
Special Mention | Commercial and industrial | Commercial:          
Total loans          
2025 1   1   14
2024 7   7   29
2023 14   14   13
2022 18   18   16
2021 39   39   28
Prior 69   69   30
Revolving loans amortized cost basis 51   51   99
Revolving loans converted to term loans amortized cost basis 2   2   1
Total loans 201   201   230
Special Mention | Owner-occupied | Commercial:          
Total loans          
2025 0   0   3
2024 1   1   28
2023 13   13   0
2022 11   11   9
2021 11   11   9
Prior 28   28   30
Revolving loans amortized cost basis 3   3   1
Revolving loans converted to term loans amortized cost basis 5   5   0
Total loans 72   72   80
Special Mention | Municipal | Commercial:          
Total loans          
2025 0   0   0
2024 0   0   3
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 3   3   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 3   3   3
Special Mention | Term | Commercial real estate:          
Total loans          
2025 0   0   51
2024 0   0   0
2023 41   41   35
2022 27   27   71
2021 35   35   0
Prior 80   80   1
Revolving loans amortized cost basis 25   25   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 208   208   158
Special Mention | Construction and land development | Commercial real estate:          
Total loans          
2025 0   0   0
2024 0   0   8
2023 12   12   5
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 7   7   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 19   19   13
Special Mention | 1-4 family residential | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Special Mention | Home equity credit line | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Special Mention | Construction and other consumer real estate | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Special Mention | Bankcard and other revolving plans | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Special Mention | Other | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Accruing Substandard | Commercial and industrial | Commercial:          
Total loans          
2025 0   0   60
2024 118   118   140
2023 74   74   82
2022 92   92   41
2021 26   26   18
Prior 76   76   30
Revolving loans amortized cost basis 151   151   177
Revolving loans converted to term loans amortized cost basis 8   8   9
Total loans 545   545   557
Accruing Substandard | Owner-occupied | Commercial:          
Total loans          
2025 2   2   4
2024 22   22   37
2023 43   43   15
2022 40   40   111
2021 76   76   71
Prior 122   122   89
Revolving loans amortized cost basis 31   31   24
Revolving loans converted to term loans amortized cost basis 0   0   4
Total loans 336   336   355
Accruing Substandard | Municipal | Commercial:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 14   14   0
2021 0   0   0
Prior 18   18   18
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 32   32   18
Accruing Substandard | Term | Commercial real estate:          
Total loans          
2025 0   0   328
2024 17   17   43
2023 37   37   142
2022 198   198   426
2021 370   370   53
Prior 191   191   36
Revolving loans amortized cost basis 1   1   26
Revolving loans converted to term loans amortized cost basis 33   33   15
Total loans 847   847   1,069
Accruing Substandard | Construction and land development | Commercial real estate:          
Total loans          
2025 0   0   53
2024 0   0   6
2023 36   36   0
2022 9   9   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 5   5   6
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 50   50   65
Accruing Substandard | 1-4 family residential | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   1
2023 1   1   0
2022 0   0   0
2021 1   1   0
Prior 1   1   1
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 3   3   2
Accruing Substandard | Home equity credit line | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 7   7   10
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 7   7   10
Accruing Substandard | Construction and other consumer real estate | Consumer:          
Total loans          
2025 0   0   0
2024 1   1   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 1   1   0
Accruing Substandard | Bankcard and other revolving plans | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 2   2   2
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 2   2   2
Accruing Substandard | Other | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Nonaccrual | Commercial and industrial | Commercial:          
Total loans          
2025 0   0   4
2024 4   4   5
2023 24   24   4
2022 8   8   37
2021 32   32   3
Prior 24   24   3
Revolving loans amortized cost basis 22   22   14
Revolving loans converted to term loans amortized cost basis 16   16   23
Total loans 130   130   93
Nonaccrual | Owner-occupied | Commercial:          
Total loans          
2025 0   0   6
2024 6   6   8
2023 0   0   2
2022 4   4   6
2021 9   9   3
Prior 24   24   19
Revolving loans amortized cost basis 3   3   7
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 46   46   51
Nonaccrual | Municipal | Commercial:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   2
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   2
Nonaccrual | Term | Commercial real estate:          
Total loans          
2025 0   0   21
2024 0   0   0
2023 0   0   16
2022 0   0   1
2021 1   1   0
Prior 39   39   5
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   29
Total loans 40   40   72
Nonaccrual | Construction and land development | Commercial real estate:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   1
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   1
Nonaccrual | 1-4 family residential | Consumer:          
Total loans          
2025 0   0   1
2024 1   1   4
2023 3   3   5
2022 7   7   15
2021 13   13   13
Prior 34   34   27
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 58   58   65
Nonaccrual | Home equity credit line | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 30   30   26
Revolving loans converted to term loans amortized cost basis 5   5   4
Total loans 35   35   30
Nonaccrual | Construction and other consumer real estate | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 0   0   0
Nonaccrual | Bankcard and other revolving plans | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 0   0   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 1   1   1
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans 1   1   1
Nonaccrual | Other | Consumer:          
Total loans          
2025 0   0   0
2024 0   0   0
2023 0   0   0
2022 1   1   0
2021 0   0   0
Prior 0   0   0
Revolving loans amortized cost basis 0   0   0
Revolving loans converted to term loans amortized cost basis 0   0   0
Total loans $ 1   $ 1   $ 0