Segment Information - Additional Information (Details1) $ in Millions	Sep. 30, 2020 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-10-01
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation, amount	$ 370
Revenue, remaining performance obligation, expected timing of satisfaction, period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-04-01
Segment Reporting Information [Line Items]
Revenue, remaining performance obligation, amount	$ 2,000
Revenue, remaining performance obligation, expected timing of satisfaction, period