XML 20 R38.htm IDEA: XBRL DOCUMENT v3.20.1
REVENUE ADDITIONAL DETAILS (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]    
Contract with Customer, Liability, Revenue Recognized $ 89 $ 79
Revenue, Remaining Performance Obligation, Amount $ 2,100  
Revenue, Remaining Performance Obligation, Percentage 91.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation 12-36 months