XML 77 R66.htm IDEA: XBRL DOCUMENT v3.20.1
REVENUE RECOGNITION - Transaction price allocated to the remaining performance obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01
$ in Millions
Mar. 31, 2020
USD ($)
REVENUE RECOGNITION  
Expected timing of revenue recognition 12 months
Estimated recognition of deferred revenue $ 306