COMMITMENTS AND CONTINGENT LIABILITIES - Commitments to Extend Credit (Details) - USD ($) $ in Millions |
Mar. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Commercial | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract amount represents credit risk | $ 16,265 | $ 16,219 |
| Consumer | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract amount represents credit risk | 14,353 | 13,384 |
| Commercial Real Estate | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract amount represents credit risk | 1,323 | 1,366 |
| Standby Letters of Credit | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract amount represents credit risk | 583 | 510 |
| Commercial | Letter of Credit | ||
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract amount represents credit risk | $ 17 | $ 21 |
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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 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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