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REVENUE ADDITIONAL DETAILS (Details)
$ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Liability, Revenue Recognized $ 79
Revenue, Remaining Performance Obligation, Amount $ 2,300
Revenue, Remaining Performance Obligation, Percentage 93.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation 12 -36 months