Operating Lease Equipment - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease equipment	$ 616	$ 777
Accumulated depreciation	304	290
Operating lease income	152	156	$ 151
Depreciation expense	124	126	122
Operating lease payments received	155	161
Impairment losses of operating lease equipment	$ 25	$ 7	$ 3