XML 36 R65.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
REVENUE RECOGNITION - Transaction price allocated to the remaining performance obligations (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-31
$ in Millions
Dec. 31, 2019
USD ($)
REVENUE RECOGNITION  
Expected timing of revenue recognition 12 months
Estimated recognition of deferred revenue $ 378