REVENUE ADDITIONAL DETAILS (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)
Revenue from Contract with Customer [Abstract]
Contract with Customer, Liability, Revenue Recognized	$ 30	$ 144
Revenue, Remaining Performance Obligation, Amount	$ 2,100	$ 2,100
Revenue, Remaining Performance Obligation, Percentage	89.00%	89.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation		12 -36 months