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INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Effective income tax rate reconciliation, percent	65.40%	25.80%
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance	$ 51
Effective income tax rate reconciliation, repatriation of foreign earnings, amount	46
Effective income tax rate reconciliation, nondeductible expense, impairment losses	71
Minimum
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Decrease in unrecognized tax benefits is reasonably possible	15
Maximum
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Decrease in unrecognized tax benefits is reasonably possible	$ 30

X

- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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