RESTRUCTURING - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	$ 19	$ 3
Restructuring expense, net of cash paid	13	2
Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	9	3
Drivetrain & Battery Systems
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	7	0
ePropulsion
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	3	0
2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	19	3	$ 98
2023 Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related plan	130
2023 Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related plan	150
2023 Restructuring Plan | Air Management
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net
Restructuring expense, net of cash paid	9	3
2023 Restructuring Plan | Air Management | Severance Costs and Professional Fees
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net	6	$ 2
2023 Restructuring Plan | Drivetrain & Battery Systems
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	7
2023 Restructuring Plan | ePropulsion
Restructuring Cost and Reserve [Line Items]
Restructuring expense, net of cash paid	$ 3