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Commitments and Contingencies - Narrative (Details) numberOfMotorVehicle in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2023 numberOfClassAction | May 31, 2023 numberOfMotorVehicle | Dec. 31, 2024 USD ($) numberOfClassAction plaintiff | Dec. 31, 2020 USD ($) | Mar. 31, 2024 numberOfClassAction | Dec. 31, 2023 USD ($) | Sep. 05, 2023 airbagInflator | Jul. 31, 2021 defect
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Guarantees - maximum liability |  |  | $ 3,700 |  |  | $ 3,500 |  |
Rebates available |  |  | 1,100 |  |  | 1,200 |  |
Supplier finance obligation |  |  | $ 900 |  |  | $ 1,300 |  |
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] |  |  | Accounts payable (principally trade) |  |  | Accounts payable (principally trade) |  |
Indirect Tax Matters |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reasonably possible loss |  |  | $ 5,600 |  |  |  |  |
Takata Passenger-side Airbags |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Warranty provision |  |  | $ 555 |  |  |  |  |
Number of putative class actions pending | numberOfClassAction |  |  |  |  | 1 |  |  |
ARC Matters |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of vehicles recalled | numberOfMotorVehicle |  | 1 |  |  |  |  |  |
Number of defect airbag inflators | airbagInflator |  |  |  |  |  |  | 52,000,000 |
Period of defect airbag inflators |  |  | 20 years |  |  |  |  |
Chevrolet Bolt EV Recall |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Warranty provision |  |  | $ 2,600 |  |  |  |  |
Number of manufacturing defect | defect |  |  |  |  |  |  |  | 2
Remaining accrual amount |  |  | 300 |  |  |  |  |
Chevrolet Bolt EV Recall | LG Electronics, Inc. |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Amount awarded to other party |  |  | $ 1,600 |  |  |  |  |
Korea Wage Litigation - Former Subcontract Workers |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  |  | 8 |  |  |  |  |
Foreign Emissions Standards |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of claims dismissed | numberOfClassAction | 2 |  |  |  |  |  |  |
Excessive Oil Consumption |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of certified class actions pending | numberOfClassAction |  |  | 2 |  |  |  |  |
Faulty 8- Speed Transmissions |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of certified class actions pending | numberOfClassAction |  |  | 1 |  |  |  |  |
Number of putative class actions pending | numberOfClassAction |  |  | 1 |  |  |  |  |
Takata Passenger-side Airbags |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Increase in product warranty accrual |  |  |  | $ 1,100 |  |  |  |
Accrued liabilities and Other liabilities |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Litigation-related liability and tax administrative matters |  |  | $ 1,100 |  |  | $ 1,200 |  |
Credit card program deferred revenue |  |  | $ 425 |  |  | $ 384 |  |

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