v3.26.3
LOANS AND LEASES - Schedule of Amortized Cost of Loans Modified (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loan modifications     $ 1 $ 1
Total $ 270 $ 504 $ 789 $ 906
Percent of Total Loan Class 0.17% 0.35% 0.50% 0.63%
Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 154 $ 326 $ 447 $ 437
Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 34 100 70 197
Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 2 1 117 1
Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 6 59 28 157
Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 52 17 80 108
Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 22 1 47 6
Commercial and industrial | Term Extension, Interest Rate Reduction, And Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     18 6
Owner occupied commercial mortgage | Payment Delay And Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     2  
Commercial real estate | Payment Delay And Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     21  
Commercial real estate | Term Extension, Interest Rate Reduction, And Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total   1 6  
Commercial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 264 $ 494 $ 776 $ 861
Percent of Total Loan Class 0.20% 0.42% 0.59% 0.74%
Commercial | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 152 $ 319 $ 440 $ 421
Commercial | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 33 100 69 197
Commercial | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 113 0
Commercial | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 5 59 27 154
Commercial | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 52 15 80 83
Commercial | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 22 1 47 6
Commercial | Commercial and industrial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 92 $ 300 $ 343 $ 419
Percent of Total Loan Class 0.19% 0.67% 0.70% 0.93%
Commercial | Commercial and industrial | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 49 $ 233 $ 253 $ 264
Commercial | Commercial and industrial | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 21 48 25 124
Commercial | Commercial and industrial | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Commercial | Commercial and industrial | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 2 14 3 16
Commercial | Commercial and industrial | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 19 4 44 9
Commercial | Commercial and industrial | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 1 18 6
Commercial | Owner occupied commercial mortgage        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 16 $ 11 $ 60 $ 67
Percent of Total Loan Class 0.09% 0.07% 0.32% 0.39%
Commercial | Owner occupied commercial mortgage | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 12 $ 8 $ 30 $ 11
Commercial | Owner occupied commercial mortgage | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 3 3 5
Commercial | Owner occupied commercial mortgage | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Commercial | Owner occupied commercial mortgage | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 3 0 21 29
Commercial | Owner occupied commercial mortgage | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 0 4 22
Commercial | Owner occupied commercial mortgage | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 2 0
Commercial | Investor dependent        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 19 $ 53 $ 53 $ 84
Percent of Total Loan Class 0.72% 1.92% 2.05% 3.04%
Commercial | Investor dependent | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 7 $ 9 $ 12 $ 15
Commercial | Investor dependent | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 12 40 41 59
Commercial | Investor dependent | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Commercial | Investor dependent | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Commercial | Investor dependent | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 4 0 10
Commercial | Investor dependent | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Commercial | Commercial real estate        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 137 $ 130 $ 320 $ 291
Percent of Total Loan Class 0.59% 0.56% 1.39% 1.25%
Commercial | Commercial real estate | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 84 $ 69 $ 145 $ 131
Commercial | Commercial real estate | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 9 0 9
Commercial | Commercial real estate | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 113 0
Commercial | Commercial real estate | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 45 3 109
Commercial | Commercial real estate | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 32 7 32 42
Commercial | Commercial real estate | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 21 0 27 0
Consumer        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 6 $ 10 $ 13 $ 45
Percent of Total Loan Class 0.03% 0.04% 0.05% 0.16%
Consumer | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 2 $ 7 $ 7 $ 16
Consumer | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 0 1 0
Consumer | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 2 1 4 1
Consumer | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 0 1 3
Consumer | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 2 0 25
Consumer | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 0 0 0
Consumer | Residential mortgage        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 6 $ 10 $ 11 $ 43
Percent of Total Loan Class 0.03% 0.04% 0.05% 0.18%
Consumer | Residential mortgage | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 2 $ 7 $ 6 $ 15
Consumer | Residential mortgage | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 0 1 0
Consumer | Residential mortgage | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 2 1 3 1
Consumer | Residential mortgage | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 1 0 1 2
Consumer | Residential mortgage | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total 0 2 0 25
Consumer | Residential mortgage | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total $ 0 $ 0 0 0
Consumer | Revolving mortgage        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     $ 2 $ 2
Percent of Total Loan Class     0.06% 0.07%
Consumer | Revolving mortgage | Term Extension        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     $ 1 $ 1
Consumer | Revolving mortgage | Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     0 0
Consumer | Revolving mortgage | Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     1 0
Consumer | Revolving mortgage | Term Extension and Interest Rate Reduction        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     0 1
Consumer | Revolving mortgage | Term Extension and Payment Delay        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     0 0
Consumer | Revolving mortgage | Other Combinations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total     $ 0 $ 0