FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option-Changes in Fair Value (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Fair Value, Measurements, Recurring [Member] | |||
| Fair Value, Option, Quantitative Disclosures [Line Items] | |||
| Net gains (losses) from fair value changes | $ 5 | $ 8 | $ 7 |
| Loans held for investment | |||
| Fair Value, Option, Quantitative Disclosures [Line Items] | |||
| Net gains (losses) from fair value changes | $ 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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