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RESTRUCTURING - Narrative (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($) employee | Mar. 31, 2021 USD ($) employee
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | $ 15 | $ 30
Restructuring expense, net of cash paid | 12 | 18
Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | 8 | 21
Air Management |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 7 | 17
Air Management | Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 7 | 14
Fuel Injection |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 1 | 3
Fuel Injection | Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 1 | 3
2020 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | 13 | 24
Restructuring cost, incurred to date | 264 |
Restructuring and related plan | 300 |
2020 Restructuring Plan | Air Management |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | $ 6 | $ 15
Number of positions eliminated | employee | 25 | 36
2020 Restructuring Plan | Air Management | Termination Benefit |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net |  | $ 12
2020 Restructuring Plan | Air Management | Severance Costs and Professional Fees |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | $ 5 | 3
2020 Restructuring Plan | e-Propulsion & Drivetrain |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 7 | 10
2020 Restructuring Plan | e-Propulsion & Drivetrain | Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid | 0 | 4
Delphi Technologies Restructuring |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | 2 | 5
Restructuring cost, incurred to date | 64 |
Delphi Technologies Restructuring | Air Management | Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net | $ 1 | 2
Delphi Technologies Restructuring | Fuel Injection | Employee termination benefits |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring expense, net of cash paid |  | $ 3

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