Leasing - Schedule of Depreciation Expense on Operating Lease Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Leases [Abstract]
Operating lease revenue	$ 333	$ 392	$ 689	$ 794
Depreciation expense on operating lease assets (excluding remarketing gains)	236	270	486	543
Remarketing gains, net	(59)	(70)	(105)	(117)
Net depreciation expense on operating lease assets	177	200	381	426
Variable lease payments, excessive wear and tear	$ 6	$ 2	$ 10	$ 4