XML 46 R35.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue Recognition - Additional Information, Performance Obligation (Details)
$ in Millions
Jun. 30, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation $ 162
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, percentage 98.00%
Expected timing of satisfaction, period 2 years 6 months