Investments in Operating Leases, Net - Additional Information (Details) - USD ($) $ in Millions		6 Months Ended
	Apr. 01, 2020	Sep. 30, 2020
Property Subject To Or Available For Operating Lease [Line Items]
Operating lease, existence of option to extend		true
Operating lease, option to extend		Generally, lessees have the ability to extend their lease term in six month increments up to a total of 12 months from the original lease maturity date.
ASU 2016-13
Property Subject To Or Available For Operating Lease [Line Items]
Increased in accumulated depreciation	$ 90
Decreased in allowance for credit loss	$ (90)