Leasing - Schedule of Depreciation Expense on Operating Lease Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Leases [Abstract]
Operating lease revenue	$ 365	$ 316	$ 1,068	$ 1,005
Depreciation expense on operating lease assets (excluding remarketing gains and losses)	226	193	663	645
Remarketing (gains) losses, net	(1)	(24)	18	(129)
Net depreciation expense on operating lease assets	225	169	681	516
Variable lease payments, excessive wear and tear	$ 5	$ 6	$ 17	$ 16