Leasing - Schedule of Depreciation Expense on Operating Lease Assets (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Leases [Abstract] | ||||
| Operating lease revenue | $ 390 | $ 352 | $ 782 | $ 703 |
| Depreciation expense on operating lease assets (excluding remarketing losses) | 267 | 216 | 525 | 437 |
| Remarketing losses, net | 2 | 0 | 12 | 19 |
| Net depreciation expense on operating lease assets | 269 | 216 | 537 | 456 |
| Variable lease payments, excessive wear and tear | $ 6 | $ 6 | $ 11 | $ 12 |