COMMITMENTS AND CONTINGENT LIABILITIES - Commitments to Extend Credit (Details) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Commercial | ||
| Guarantor Obligations [Line Items] | ||
| Contract amount represents credit risk | $ 16,219 | $ 15,190 |
| Consumer | ||
| Guarantor Obligations [Line Items] | ||
| Contract amount represents credit risk | 13,384 | 12,236 |
| Commercial real estate | ||
| Guarantor Obligations [Line Items] | ||
| Contract amount represents credit risk | 1,366 | 1,698 |
| Standby letters of credit | ||
| Guarantor Obligations [Line Items] | ||
| Contract amount represents credit risk | 510 | 637 |
| Commercial and Industrial Sector [Member] | Commercial letters-of-credit | ||
| Guarantor Obligations [Line Items] | ||
| Contract amount represents credit risk | $ 21 | $ 5 |
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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