v3.26.1
LOANS AND LEASES - Modifications (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Modified [Line Items]        
Total $ 531 $ 294 $ 723 $ 575
% of total loan class 0.28% 0.22% 0.38% 0.43%
Amortized cost basis $ 895 $ 871 $ 895 $ 871
30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 25 15 25 15
60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 47 8 47 8
90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 62 46 62 46
Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 134 69 134 69
Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 761 802 761 802
Commercial | Commercial and industrial        
Financing Receivable, Modified [Line Items]        
Total $ 229 $ 203 $ 369 $ 385
% of total loan class 0.25% 0.33% 0.40% 0.63%
Amortized cost basis $ 456 $ 542 $ 456 $ 542
Commercial | Commercial and industrial | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 8 2 8 2
Commercial | Commercial and industrial | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 39 1 39 1
Commercial | Commercial and industrial | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 15 5 15 5
Commercial | Commercial and industrial | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 62 8 62 8
Commercial | Commercial and industrial | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 394 534 394 534
Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total $ 267 $ 69 $ 307 $ 140
% of total loan class 1.14% 0.64% 1.31% 1.31%
Amortized cost basis $ 362 $ 234 $ 362 $ 234
Commercial | Commercial real estate | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 7 0 7 0
Commercial | Commercial real estate | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 2 0 2 0
Commercial | Commercial real estate | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 34 23 34 23
Commercial | Commercial real estate | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 43 23 43 23
Commercial | Commercial real estate | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 319 211 319 211
Consumer | Residential mortgage        
Financing Receivable, Modified [Line Items]        
Total $ 26 $ 17 $ 31 $ 38
% of total loan class 0.08% 0.07% 0.09% 0.15%
Amortized cost basis $ 47 $ 69 $ 47 $ 69
Consumer | Residential mortgage | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 7 11 7 11
Consumer | Residential mortgage | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 5 6 5 6
Consumer | Residential mortgage | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 10 17 10 17
Consumer | Residential mortgage | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 22 34 22 34
Consumer | Residential mortgage | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 25 35 25 35
Consumer | Automobile        
Financing Receivable, Modified [Line Items]        
Total $ 4 $ 1 $ 8 $ 3
% of total loan class 0.03% 0.01% 0.05% 0.02%
Amortized cost basis $ 13 $ 8 $ 13 $ 8
Consumer | Automobile | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 2 1 2 1
Consumer | Automobile | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Automobile | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Automobile | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 2 1 2 1
Consumer | Automobile | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 11 7 11 7
Consumer | Home equity        
Financing Receivable, Modified [Line Items]        
Total $ 4 $ 4 $ 7 $ 8
% of total loan class 0.03% 0.04% 0.06% 0.08%
Amortized cost basis $ 15 $ 15 $ 15 $ 15
Consumer | Home equity | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 1 1 1 1
Consumer | Home equity | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 1 1 1 1
Consumer | Home equity | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 3 1 3 1
Consumer | Home equity | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 5 3 5 3
Consumer | Home equity | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 10 12 10 12
Consumer | RV and marine        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 1 1 1 1
Consumer | RV and marine | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | RV and marine | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | RV and marine | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | RV and marine | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | RV and marine | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 1 1 1 1
Consumer | Other consumer        
Financing Receivable, Modified [Line Items]        
Total $ 1   $ 1 $ 1
% of total loan class 0.04%   0.04% 0.05%
Amortized cost basis $ 1 2 $ 1 $ 2
Consumer | Other consumer | 30-59 Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Other consumer | 60-89  Days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Other consumer | 90 or  more days        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Other consumer | Total        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 0 0 0 0
Consumer | Other consumer | Current        
Financing Receivable, Modified [Line Items]        
Amortized cost basis 1 2 1 2
Interest rate reduction        
Financing Receivable, Modified [Line Items]        
Total 49 44 74 92
Interest rate reduction | Commercial | Commercial and industrial        
Financing Receivable, Modified [Line Items]        
Total $ 42 $ 44 $ 67 $ 91
Interest rate reduction | Commercial | Commercial and industrial | Minimum        
Financing Receivable, Modified [Line Items]        
Weighted-average contractual interest rate 8.06% 8.80% 9.31% 8.32%
Interest rate reduction | Commercial | Commercial and industrial | Maximum        
Financing Receivable, Modified [Line Items]        
Weighted-average contractual interest rate 7.00% 6.38% 7.14% 7.00%
Interest rate reduction | Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total $ 6 $ 0 $ 6 $ 0
Interest rate reduction | Consumer | Residential mortgage        
Financing Receivable, Modified [Line Items]        
Total 0 0 $ 0 0
Interest rate reduction | Consumer | Residential mortgage | Minimum        
Financing Receivable, Modified [Line Items]        
Weighted-average contractual interest rate      
Interest rate reduction | Consumer | Residential mortgage | Maximum        
Financing Receivable, Modified [Line Items]        
Weighted-average contractual interest rate      
Interest rate reduction | Consumer | Automobile        
Financing Receivable, Modified [Line Items]        
Total 0 0 $ 0 0
Interest rate reduction | Consumer | Home equity        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Interest rate reduction | Consumer | Other consumer        
Financing Receivable, Modified [Line Items]        
Total 1   1 1
Term extension        
Financing Receivable, Modified [Line Items]        
Total 436 242 545 460
Term extension | Commercial | Commercial and industrial        
Financing Receivable, Modified [Line Items]        
Total $ 152 $ 158 $ 212 $ 289
Weighted-average years added to the life 9 months 18 days 7 months 6 days 10 months 24 days 10 months 24 days
Term extension | Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total $ 259 $ 69 $ 299 $ 140
Weighted-average years added to the life 10 months 24 days 9 months 18 days 10 months 24 days 1 year
Term extension | Consumer | Residential mortgage        
Financing Receivable, Modified [Line Items]        
Total $ 19 $ 12 $ 23 $ 24
Weighted-average years added to the life 7 years 1 month 6 days 7 years 1 month 6 days 7 years 2 months 12 days 6 years 6 months
Term extension | Consumer | Automobile        
Financing Receivable, Modified [Line Items]        
Total $ 4 $ 1 $ 7 $ 3
Term extension | Consumer | Home equity        
Financing Receivable, Modified [Line Items]        
Total 2 2 4 4
Term extension | Consumer | Other consumer        
Financing Receivable, Modified [Line Items]        
Total 0   0 0
Payment deferral        
Financing Receivable, Modified [Line Items]        
Total 4 3 5 11
Payment deferral | Commercial | Commercial and industrial        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Payment deferral | Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Payment deferral | Consumer | Residential mortgage        
Financing Receivable, Modified [Line Items]        
Total 4 3 5 11
Payment deferral | Consumer | Automobile        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Payment deferral | Consumer | Home equity        
Financing Receivable, Modified [Line Items]        
Total 0 0 0 0
Payment deferral | Consumer | Other consumer        
Financing Receivable, Modified [Line Items]        
Total 0   0 0
Combo - interest rate reduction and term extension        
Financing Receivable, Modified [Line Items]        
Total 42 5 99 12
Combo - interest rate reduction and term extension | Commercial | Commercial and industrial        
Financing Receivable, Modified [Line Items]        
Total 35 1 90 5
Combo - interest rate reduction and term extension | Commercial | Commercial real estate        
Financing Receivable, Modified [Line Items]        
Total 2 0 2 0
Combo - interest rate reduction and term extension | Consumer | Residential mortgage        
Financing Receivable, Modified [Line Items]        
Total 3 2 3 3
Combo - interest rate reduction and term extension | Consumer | Automobile        
Financing Receivable, Modified [Line Items]        
Total 0 0 1 0
Combo - interest rate reduction and term extension | Consumer | Home equity        
Financing Receivable, Modified [Line Items]        
Total 2 $ 2 3 4
Combo - interest rate reduction and term extension | Consumer | Other consumer        
Financing Receivable, Modified [Line Items]        
Total $ 0   $ 0 $ 0