INCOME TAXES - Additional Infromation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Effective income tax rate, percent	35.40%	40.40%
Unrecognized tax benefits that would impact effective tax rate	$ 10		$ 21
Penalties and interest accrued	17		$ 41
Tax matters	32
Indemnified Tax Liability
Income Tax Contingency [Line Items]
Penalties and interest accrued	$ 10