COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2017 |
|
| Loss Contingencies [Line Items] | ||
| Maturity period of majority of standby letters of credit | P2Y | |
| Maturity period of Commercial letters of credit | P90D | |
| Maturity period of forward contracts relating mortgage banking business | 1 year | |
| Standby letters of credit | ||
| Loss Contingencies [Line Items] | ||
| Carrying amount of deferred revenue associated with guarantees | $ 10,000,000 | $ 10,000,000 |
| Outstanding standby letters of credit | 623,000,000 | 510,000,000 |
| Commitments to Sell Loans | ||
| Loss Contingencies [Line Items] | ||
| Commitments to sell residential real estate loans | 1,075,000,000 | $ 696,000,000 |
| Maximum | ||
| Loss Contingencies [Line Items] | ||
| Aggregate range of reasonably possible losses current legal proceedings | 30,000,000 | |
| Minimum | ||
| Loss Contingencies [Line Items] | ||
| Aggregate range of reasonably possible losses current legal proceedings | $ 0 |
| X | ||||||||||
- Definition Commitments to sell residential real estate loans. No definition available.
|
| X | ||||||||||
- Definition Maturity period of forward contracts relating mortgage banking business. No definition available.
|
| X | ||||||||||
- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. No definition available.
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition States when the existing condition, situation, or set of circumstances involving uncertainty occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|