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RESTRUCTURING - Reserve by Type of Cost (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | $ 66 | $ 41 | $ 81
Restructuring expense | 79 | 48 | 108
Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 0 | 0 | 2
Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 74 | 24 | 52
Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 4 | 23 | 47
ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 1 | 1 | 7
Employee termination benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 70 | 38 | 45
Employee termination benefits | Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 0 | 0 | 0
Employee termination benefits | Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 67 | 24 | 34
Employee termination benefits | Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 2 | 14 | 11
Employee termination benefits | ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 1 | 0 | 0
Other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 9 | 10 | 63
Other | Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 0 | 0 | 2
Other | Air Management |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 7 | 0 | 18
Other | Drivetrain & Battery Systems |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | 2 | 9 | 36
Other | ePropulsion |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring expense | $ 0 | $ 1 | $ 7

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