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RESTRUCTURING - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) employee | Jun. 30, 2021 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net | $ 27 | $ 62 | $ 42 | $ 92
Restructuring expense, net of cash paid |  |  | 36 | 59
Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net | 22 | 36 | 30 | 57
Air Management |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 7 | 12 | 14 | 29
Air Management | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 7 | 9 | 14 | 23
e-Propulsion & Drivetrain |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net |  |  | 14 |
Restructuring expense, net of cash paid | 17 | 23 | $ 24 | 33
e-Propulsion & Drivetrain | Facility closure | Europe |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of positions eliminated | employee |  |  | 80 |
e-Propulsion & Drivetrain | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 14 | 3 | $ 14 | 7
Fuel Systems |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 4 | 24 | 5 | 27
Fuel Systems | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 2 | 24 | 3 | 27
2020 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net | 10 | 37 | 23 | 61
Restructuring cost, incurred to date | 274 |  | 274 |
Restructuring and related plan | 300 |  | 300 |
2020 Restructuring Plan | Air Management |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 7 | 12 | $ 13 | $ 27
Number of positions eliminated | employee |  |  | 36 | 20
2020 Restructuring Plan | Air Management | Termination benefit |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net |  |  |  | $ 11
2020 Restructuring Plan | Air Management | Severance costs and professional fees |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net |  |  | $ 8 | 16
2020 Restructuring Plan | e-Propulsion & Drivetrain |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | 3 |  | 10 |
2020 Restructuring Plan | e-Propulsion & Drivetrain | Severance costs and professional fees |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid |  | 5 |  | 10
2020 Restructuring Plan | e-Propulsion & Drivetrain | Facility closure |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid |  | 19 |  | 23
Delphi Technologies Restructuring |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net |  |  | 4 | 31
Restructuring cost, incurred to date | 66 |  | 66 |
Delphi Technologies Restructuring | Air Management | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net |  |  |  | 2
Delphi Technologies Restructuring | Fuel Systems | Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring expense, net of cash paid | $ 4 | $ 24 | $ 5 | $ 27

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