REVENUE ADDITIONAL DETAILS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Contract with Customer, Liability, Revenue Recognized	$ 37	$ 26	$ 197	$ 159
Revenue, Remaining Performance Obligation, Amount	$ 2,200		$ 2,200
Revenue, Remaining Performance Obligation, Percentage	90.00%		90.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation			12-36 months