v3.25.4

RESTRUCTURING - Narrative (Details) $ in Millions | 12 Months Ended | 19 Months Ended |
--- | --- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) employee | Dec. 31, 2025 USD ($) | Jun. 30, 2024 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | $ 101 | $ 74 | $ 79 |  |
Restructuring expense, net of cash paid | 36 | 6 | 66 |  |
2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related plan |  |  |  |  | $ 75
Restructuring expense, net | 31 |  |  |  |
2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 8 | 61 | 79 | $ 148 |
2023 Restructuring Plan | Minimum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related plan |  |  | 130 |  |
2023 Restructuring Plan | Maximum |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related plan |  |  | 150 |  |
Turbos & Thermal Technologies |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 49 | 39 | 70 |  |
Turbos & Thermal Technologies | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 7 | 39 | 70 |  |
Turbos & Thermal Technologies | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 42 |  |  |  |
Drivetrain & Morse Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 1 | 11 | 8 |  |
Drivetrain & Morse Systems | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  | 11 | 8 |  |
PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 31 | 22 | 1 |  |
PowerDrive Systems | 2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  | 13 |  | $ 44 |
Restructuring expense, net of cash paid | 31 |  |  |  |
PowerDrive Systems | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  | 9 |  |  |
Battery & Charging Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 15 | 1 | 0 |  |
Battery & Charging Systems | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 15 |  |  |  |
Severance costs and professional fees | Turbos & Thermal Technologies | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 5 | 21 |  |  |
Severance costs and professional fees | PowerDrive Systems | 2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 19 | 9 |  |  |
Severance costs and professional fees | PowerDrive Systems | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  | 8 |  |  |
Employee termination benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 78 | 43 | 70 |  |
Employee termination benefits | Turbos & Thermal Technologies |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 44 | 21 | $ 63 |  |
Employee termination benefits | Turbos & Thermal Technologies | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Number of positions eliminated (in employees) | employee |  |  | 200 |  |
Employee termination benefits | Turbos & Thermal Technologies | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 39 |  |  |  |
Employee termination benefits | Drivetrain & Morse Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | (1) | 10 | $ 6 |  |
Employee termination benefits | Drivetrain & Morse Systems | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  | 10 | 6 |  |
Employee termination benefits | PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 19 | 10 | 1 |  |
Employee termination benefits | Battery & Charging Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 11 | 1 | 0 |  |
Employee termination benefits | Battery & Charging Systems | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 11 |  |  |  |
Professional Fees and Equipment Relocation Costs | Turbos & Thermal Technologies | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 2 | 18 |  |  |
Professional Fees and Equipment Relocation Costs | Drivetrain & Morse Systems | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 2 |  |
Professional Fees and Equipment Relocation Costs | PowerDrive Systems | 2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 12 | 4 |  |  |
Consolidation Restructuring Efforts | 2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 62 |  |  |  |
Contractual Settlement | Turbos & Thermal Technologies | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 3 |  |  |  |
Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net | 23 | 31 | 9 |  |
Other | Turbos & Thermal Technologies |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 5 | 18 | 7 |  |
Other | Drivetrain & Morse Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 2 | 1 | 2 |  |
Other | PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 12 | 12 | 0 |  |
Other | Battery & Charging Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 4 | $ 0 | $ 0 |  |
Other | Battery & Charging Systems | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | $ 4 |  |  |  |

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