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LOANS AND LEASES - Schedule of Loans Charge-offs (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] |  |  |  |
Year one |  |  | $ 34 | $ 9
Year two |  |  | 65 | 79
Year three |  |  | 90 | 134
Year four |  |  | 98 | 48
Year five |  |  | 18 | 28
Prior year |  |  | 49 | 96
Revolving |  |  | 212 | 69
Revolving Converted to Term Loans |  |  | 1 | 1
Total | $ 256 | $ 177 | 567 | 464
Commercial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 34 | 9
Year two |  |  | 62 | 76
Year three |  |  | 87 | 132
Year four |  |  | 96 | 46
Year five |  |  | 17 | 28
Prior year |  |  | 43 | 94
Revolving |  |  | 200 | 57
Revolving Converted to Term Loans |  |  | 1 | 1
Total | 244 | 169 | 540 | 443
Commercial | Commercial construction |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 |
Year two |  |  | 0 |
Year three |  |  | 0 |
Year four |  |  | 1 |
Year five |  |  | 0 |
Prior year |  |  | 0 |
Revolving |  |  | 0 |
Revolving Converted to Term Loans |  |  | 0 |
Total |  |  | 1 |
Commercial | Owner occupied commercial mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 2 | 0
Year three |  |  | 0 | 0
Year four |  |  | 0 | 0
Year five |  |  | 0 | 0
Prior year |  |  | 1 | 8
Revolving |  |  | 0 | 0
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 3 | 8
Commercial | Non-owner occupied commercial mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 4 | 0
Year two |  |  | 23 | 0
Year three |  |  | 3 | 0
Year four |  |  | 20 | 0
Year five |  |  | 0 | 19
Prior year |  |  | 32 | 70
Revolving |  |  | 0 | 0
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 82 | 89
Commercial | Commercial and industrial |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 28 | 8
Year two |  |  | 20 | 35
Year three |  |  | 51 | 65
Year four |  |  | 44 | 15
Year five |  |  | 9 | 4
Prior year |  |  | 3 | 10
Revolving |  |  | 191 | 50
Revolving Converted to Term Loans |  |  | 1 | 1
Total |  |  | 347 | 188
Commercial | Leases |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 2 | 1
Year two |  |  | 3 | 4
Year three |  |  | 3 | 4
Year four |  |  | 3 | 4
Year five |  |  | 1 | 2
Prior year |  |  | 3 | 2
Revolving |  |  | 0 | 0
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 15 | 17
Commercial | Investor dependent |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 14 | 37
Year three |  |  | 30 | 63
Year four |  |  | 28 | 27
Year five |  |  | 7 | 3
Prior year |  |  | 4 | 4
Revolving |  |  | 9 | 7
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 92 | 141
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 3 | 3
Year three |  |  | 3 | 2
Year four |  |  | 2 | 2
Year five |  |  | 1 | 0
Prior year |  |  | 6 | 2
Revolving |  |  | 12 | 12
Revolving Converted to Term Loans |  |  | 0 | 0
Total | $ 12 | $ 8 | 27 | 21
Consumer | Residential mortgage |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 0 | 0
Year three |  |  | 0 | 0
Year four |  |  | 0 | 0
Year five |  |  | 0 | 0
Prior year |  |  | 6 | 1
Revolving |  |  | 0 | 0
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 6 | 1
Consumer | Consumer auto |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 2 | 2
Year three |  |  | 2 | 1
Year four |  |  | 1 | 1
Year five |  |  | 1 | 0
Prior year |  |  | 0 | 0
Revolving |  |  | 0 | 0
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | 6 | 4
Consumer | Consumer other |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Year one |  |  | 0 | 0
Year two |  |  | 1 | 1
Year three |  |  | 1 | 1
Year four |  |  | 1 | 1
Year five |  |  | 0 | 0
Prior year |  |  | 0 | 1
Revolving |  |  | 12 | 12
Revolving Converted to Term Loans |  |  | 0 | 0
Total |  |  | $ 15 | $ 16

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