RESTRUCTURING COSTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 15	$ 17
Restructuring and Related Cost, Expected Cost Through End Of Current Year		35
Effect on Future Earnings, Amount		40
Write-down and impairments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 6	$ 7