INCOME TAXES - Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Income Tax Disclosure [Abstract] | ||
| Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | $ 38 | $ 0 |
| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Unrecognized tax benefits at beginning of period | 50 | 24 |
| Gross increases for tax positions taken during prior years | 0 | 26 |
| Unrecognized tax benefits at end of period | 0 | 50 |
| Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions | $ 12 | $ 0 |
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- References No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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