Leases - Summary of Equipment on Operating Leases (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Leases [Abstract] | ||
| Equipment on operating leases | $ 1,963 | $ 1,831 |
| Accumulated depreciation and other changes | (372) | (365) |
| Net equipment on operating leases | $ 1,591 | $ 1,466 |