XML 15 R39.htm IDEA: XBRL DOCUMENT v3.19.3
REVENUE ADDITIONAL DETAILS (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Revenue from Contract with Customer [Abstract]        
Contract with Customer, Liability, Revenue Recognized $ 26 $ 30 $ 159 $ 144
Revenue, Remaining Performance Obligation, Amount $ 2,200   $ 2,200  
Revenue, Remaining Performance Obligation, Percentage 92.00%   92.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Explanation     12-36 months