| **Equipment on Operating Leases - Carrying amount of Equipment on operating leases, net (Details) - USD ($) $ in Millions** | Dec. 31, 2024 | Dec. 31, 2023 |
|-----------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Leases [Abstract]**                                                                                                       |          |          |
| Equipment on operating leases, at cost                                                                                      | $ 4,207       | $ 4,433       |
| Less: Accumulated depreciation                                                                                              | (1,427)       | (1,419)       |
| Equipment on operating leases, net                                                                                          | $ 2,780       | $ 3,014       |

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| - References
No definition available.
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| - Definition
Amount of accumulated depreciation of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.
+ References
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| - Definition
Amount, before accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount, after accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.
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