Operating Lease Equipment - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Operating lease equipment	$ 809,000,000		$ 809,000,000		$ 848,000,000
Operating lease income	$ 39,000,000	$ 45,000,000	78,000,000	$ 66,000,000
Operating lease payments received			80,000,000	67,000,000
Impairment loss on operating lease		$ 0	$ 3,000,000	$ 0