RESTRUCTURING - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($) employee	Dec. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	$ 12	$ 27	$ 19	$ 42
Restructuring expense, net of cash paid			12	36
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	9	22	15	30
Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	9	7	12	14
Air Management | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	7	7	9	14
Drivetrain & Battery Systems
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net		2		9
Restructuring expense, net of cash paid	0	16	0	$ 23
Number of positions eliminated (in employees) | employee				80
Drivetrain & Battery Systems | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	0	14	0	$ 14
Fuel Systems
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	2	4	6	5
Fuel Systems | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	1	2	5	3
ePropulsion
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	0	1	0	1
ePropulsion | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	0	0	0	0
Aftermarket
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	1	0	1	0
Aftermarket | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	1	0	1	0
2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	9		12
2023 Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related plan	130		130
2023 Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related plan	150		150
2023 Restructuring Plan | Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	9		12
2020 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	3	10	7	23
Restructuring and related plan					$ 300
Restructuring cost, incurred to date	294		294
2020 Restructuring Plan | Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid		7		$ 13
Number of positions eliminated (in employees) | employee				36
2020 Restructuring Plan | Air Management | Severance costs and professional fees
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net				$ 8
2020 Restructuring Plan | Fuel Systems | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	2		6
2020 Restructuring Plan | ePropulsion | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid		1		1
2020 Restructuring Plan | Aftermarket | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid			1
Delphi Technologies Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring cost, incurred to date	$ 67	4	$ 67	4
Delphi Technologies Restructuring | Fuel Systems | Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid		$ 4		$ 5