FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option-Changs in Fair Value (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Fair Value, Measurements, Recurring | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Net gains (losses) from fair value changes | $ (2) | $ (2) |
| Consumer loans | ||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||
| Net gains (losses) from fair value changes | $ 0 | $ 0 |
| X | ||||||||||
- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|