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LOANS AND LEASES - Schedule of Amortized Cost of Loans Modified (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Financing receivable, excluding accrued interest, modified, amortized cost of loans (less than) | $ 1 |  |  | $ 1
Total | $ 504 | $ 255 | $ 906 | $ 660
Percent of Total Loan Class | 0.35% | 0.18% | 0.63% | 0.48%
Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 326 | $ 193 | $ 437 | $ 356
Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 100 | 41 | 197 | 176
Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 | 0 | 1 | 35
Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 59 | 12 | 157 | 23
Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 17 | 9 | 108 | 69
Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 |  | 6 | 1
Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 |  | 6 |
Investor dependent |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  |  |  | 1
Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 494 | $ 252 | $ 861 | $ 647
Percent of Total Loan Class | 0.42% | 0.23% | 0.74% | 0.59%
Commercial | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 319 | $ 191 | $ 421 | $ 345
Commercial | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 100 | 41 | 197 | 176
Commercial | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 35
Commercial | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 59 | 11 | 154 | 21
Commercial | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 15 | 9 | 83 | 69
Commercial | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 |  | 6 | 1
Commercial | Commercial construction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 15 |  | $ 23 | $ 3
Percent of Total Loan Class | 0.24% |  | 0.38% | 0.06%
Commercial | Commercial construction | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 8 |  | $ 8 | $ 3
Commercial | Commercial construction | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Commercial construction | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Commercial construction | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Commercial construction | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 7 |  | 15 | 0
Commercial | Commercial construction | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Owner occupied commercial mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 11 | $ 24 | $ 67 | $ 59
Percent of Total Loan Class | 0.07% | 0.15% | 0.39% | 0.36%
Commercial | Owner occupied commercial mortgage | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 8 | $ 15 | $ 11 | $ 36
Commercial | Owner occupied commercial mortgage | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 3 | 1 | 5 | 1
Commercial | Owner occupied commercial mortgage | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 4
Commercial | Owner occupied commercial mortgage | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 8 | 29 | 9
Commercial | Owner occupied commercial mortgage | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 22 | 9
Commercial | Owner occupied commercial mortgage | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Non-owner occupied commercial mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 115 | $ 36 | $ 261 | $ 140
Percent of Total Loan Class | 0.74% | 0.22% | 1.67% | 0.88%
Commercial | Non-owner occupied commercial mortgage | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 61 | $ 30 | $ 120 | $ 108
Commercial | Non-owner occupied commercial mortgage | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 9 | 6 | 9 | 6
Commercial | Non-owner occupied commercial mortgage | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 0
Commercial | Non-owner occupied commercial mortgage | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 45 | 0 | 109 | 0
Commercial | Non-owner occupied commercial mortgage | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 23 | 26
Commercial | Non-owner occupied commercial mortgage | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Commercial | Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 300 | $ 144 | $ 426 | $ 326
Percent of Total Loan Class | 0.73% | 0.36% | 1.03% | 0.81%
Commercial | Commercial and industrial | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 233 | $ 140 | $ 267 | $ 191
Commercial | Commercial and industrial | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 48 | 0 | 124 | 91
Commercial | Commercial and industrial | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 31
Commercial | Commercial and industrial | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 14 | 3 | 16 | 12
Commercial | Commercial and industrial | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 4 | 1 | 13 | 1
Commercial | Commercial and industrial | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 |  | 6 | 0
Commercial | Investor dependent |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 53 | $ 48 | $ 84 | $ 119
Percent of Total Loan Class | 1.92% | 1.37% | 3.04% | 3.32%
Commercial | Investor dependent | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 9 | $ 6 | $ 15 | $ 7
Commercial | Investor dependent | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 40 | 34 | 59 | 78
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 | 4 | 8 | 10 | 33
Commercial | Investor dependent | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 1
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 10 | $ 3 | $ 45 | $ 13
Percent of Total Loan Class | 0.04% | 0.01% | 0.16% | 0.05%
Consumer | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 7 | $ 2 | $ 16 | $ 11
Consumer | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 0
Consumer | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 | 0 | 1 | 0
Consumer | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 1 | 3 | 2
Consumer | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 2 | 0 | 25 | 0
Consumer | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 |  | 0 | 0
Consumer | Residential mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 10 | $ 2 | $ 43 | $ 8
Percent of Total Loan Class | 0.04% | 0.01% | 0.18% | 0.04%
Consumer | Residential mortgage | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 7 | $ 1 | $ 15 | $ 7
Consumer | Residential mortgage | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 0 | 0 | 0
Consumer | Residential mortgage | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 1 | 0 | 1 | 0
Consumer | Residential mortgage | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 0 | 1 | 2 | 1
Consumer | Residential mortgage | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | 2 | 0 | 25 | 0
Consumer | Residential mortgage | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total | $ 0 |  | 0 | 0
Consumer | Revolving mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | $ 1 | $ 2 | $ 5
Percent of Total Loan Class |  | 0.05% | 0.07% | 0.20%
Consumer | Revolving mortgage | Term Extension |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | $ 1 | $ 1 | $ 4
Consumer | Revolving mortgage | Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | 0 | 0 | 0
Consumer | Revolving mortgage | Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | 0 | 0 | 0
Consumer | Revolving mortgage | Term Extension and Interest Rate Reduction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | 0 | 1 | 1
Consumer | Revolving mortgage | Term Extension and Payment Delay |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  | $ 0 | 0 | 0
Consumer | Revolving mortgage | Other Combinations |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Total |  |  | $ 0 | $ 0

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