LOANS AND LEASES - Credit Quality Indicators (Details) - USD ($) $ in Millions |
Mar. 31, 2021 |
Dec. 31, 2020 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Commercial and industrial | [1] | $ 80,230 | $ 81,608 | |
| Automobile | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Commercial and industrial | 12,591 | 12,778 | ||
| Home equity | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Commercial and industrial | 8,727 | 8,894 | ||
| RV and marine | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Commercial and industrial | $ 4,218 | $ 4,190 | ||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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