FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option-Changs in Fair Value (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Dec. 31, 2018 |
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| Fair Value, Measurements, Recurring | ||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Net gains (losses) from fair value changes | $ 8 | $ 5 | $ 6 | $ (3) |
| Consumer loans | ||||
| Fair Value, Option, Quantitative Disclosures [Line Items] | ||||
| Net gains (losses) from fair value changes | $ 0 | $ 0 | $ 0 | $ 0 |
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- 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
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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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