RESTRUCTURING - Reserve by type of cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 123	$ 135	$ 30
Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expense	2	45	6
Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense	52	79	60
e-Propulsion & Drivetrain
Restructuring Cost and Reserve [Line Items]
Restructuring expense	55	70	6
Fuel Injection
Restructuring Cost and Reserve [Line Items]
Restructuring expense	54	8	0
Aftermarket
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	1	0
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring expense	99	157	44
Employee termination benefits | Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	44	0
Employee termination benefits | Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense	34	50	43
Employee termination benefits | e-Propulsion & Drivetrain
Restructuring Cost and Reserve [Line Items]
Restructuring expense	12	54	1
Employee termination benefits | Fuel Injection
Restructuring Cost and Reserve [Line Items]
Restructuring expense	53	8	0
Employee termination benefits | Aftermarket
Restructuring Cost and Reserve [Line Items]
Restructuring expense	0	1	0
Other
Restructuring Cost and Reserve [Line Items]
Restructuring expense	64	46	28
Other | Corporate, Non-Segment
Restructuring Cost and Reserve [Line Items]
Restructuring expense	2	1	6
Other | Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense	18	29	17
Other | e-Propulsion & Drivetrain
Restructuring Cost and Reserve [Line Items]
Restructuring expense	43	16	5
Other | Fuel Injection
Restructuring Cost and Reserve [Line Items]
Restructuring expense	1	0	0
Other | Aftermarket
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 0	$ 0	$ 0