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v3.25.2

RESTRUCTURING - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  |  | $ 23 | $ 15 |
Restructuring expense, net | $ 17 | $ 25 | 48 | 44 |
Consolidation Restructuring Efforts |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 16 |  | 23 |  |
Turbos & Thermal Technologies |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 10 | 8 | 17 | 15 |
Drivetrain & Morse Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 1 | 1 | 2 | 10 |
PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 1 | 14 | 17 | 17 |
Battery & Charging Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 5 | 1 | 11 | 1 |
2024 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related plan |  | 75 |  | 75 |
Restructuring expense, net of cash paid |  | 10 |  | 10 |
Restructuring expense, net |  |  | 30 |  |
2024 Restructuring Plan | Severance Costs and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 8 |  |
2024 Restructuring Plan | Contractual Settlement |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 2 |  |
2024 Restructuring Plan | Other Actions |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 10 |  | 10 |  |
2024 Restructuring Plan | PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | 1 | 10 | 17 | 10 |
2024 Restructuring Plan | PowerDrive Systems | Severance Costs and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 9 |  |
2024 Restructuring Plan | PowerDrive Systems | Professional Fees and Equipment Relocation Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 8 |  |
2024 Restructuring Plan | Battery & Charging Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid | $ 5 |  | 11 |  |
2024 Restructuring Plan | Battery & Charging Systems | Severance Costs and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | 9 |  |
2023 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  | 15 |  | 34 |
Restructuring expense, net |  |  | 8 |  | $ 148
2023 Restructuring Plan | Turbos & Thermal Technologies |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  | 8 | 7 | 15 |
2023 Restructuring Plan | Turbos & Thermal Technologies | Severance Costs and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  | 9 | 5 |  |
2023 Restructuring Plan | Turbos & Thermal Technologies | Professional Fees and Equipment Relocation Costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  | $ 2 | 6 |
2023 Restructuring Plan | Drivetrain & Morse Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  | 1 |  | 10 |
2023 Restructuring Plan | Drivetrain & Morse Systems | Severance Costs and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net |  |  |  | 9 |
2023 Restructuring Plan | PowerDrive Systems |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring expense, net of cash paid |  | $ 4 |  | $ 7 |
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

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