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RESTRUCTURING - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) employee program | Dec. 31, 2022 USD ($) employee | Dec. 31, 2021 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net | $ 79 | $ 48 | $ 108
Restructuring expense, net of cash paid | 66 | 41 | 81
Corporate, Non-Segment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 0 | 0 | 2
2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net | 79 |  |
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 |  |
2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring and related plan | $ 300 |  |
Number of voluntary termination programs (in programs) | program | 2 |  |
Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 74 | 24 | 52
Air Management | 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 74 |  |
Air Management | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 24 |  | $ 48
Number of positions eliminated (in employees) | employee | 74 |  | 140
Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 4 | 23 | $ 47
Drivetrain & Battery Systems | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid |  |  | 47
ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 1 | 1 | 7
Termination benefit | Air Management | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net | 18 |  | 23
Severance costs and professional fees | Air Management | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net |  |  | 25
Severance costs and professional fees | Drivetrain & Battery Systems | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid |  |  | 36
Employee termination benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net | 70 | 38 | 45
Employee termination benefits | Corporate, Non-Segment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 0 | 0 | 0
Employee termination benefits | Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 67 | 24 | 34
Employee termination benefits | Air Management | 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of positions eliminated (in employees) | employee | 200 |  |
Employee termination benefits | Air Management | Delphi Technologies Restructuring |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net |  |  | 4
Employee termination benefits | Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 2 | 14 | 11
Employee termination benefits | Drivetrain & Battery Systems | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid |  | $ 14 |
Number of positions eliminated (in employees) | employee |  | 80 |
Employee termination benefits | ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 1 | $ 0 | 0
Other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net | 9 | 10 | 63
Other | Corporate, Non-Segment |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 0 | 0 | 2
Other | Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 7 | 0 | 18
Other | Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | 2 | 9 | 36
Other | ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid | $ 0 | 1 | 7
Contractual settlements and professional fees | Drivetrain & Battery Systems | 2020 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense, net of cash paid |  | $ 9 | $ 11

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