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