REPORTABLE SEGMENTS - Schedule of Net sales and expenses by reporting segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information
Net sales	$ 3,515	$ 3,595
Cost of sales	2,876	2,951
Selling, general and administrative expenses - R&D, net	315	329
Segment Adjusted Operating Income (Loss)	237	295
Net sales - customers
Segment Reporting Information
Net sales	3,515	3,595
Net sales - inter-segment
Segment Reporting Information
Net sales	0	0
Inter-segment eliminations
Segment Reporting Information
Net sales	(11)	(11)
Inter-segment eliminations | Net sales - customers
Segment Reporting Information
Net sales	0	0
Inter-segment eliminations | Net sales - inter-segment
Segment Reporting Information
Net sales	(11)	(11)
Turbos & Thermal Technologies
Segment Reporting Information
Net sales	1,454	1,572
Turbos & Thermal Technologies | Operating segments
Segment Reporting Information
Net sales	1,454	1,574
Cost of sales	1,151	1,275
Selling, general and administrative expenses - R&D, net	41	42
Selling, general and administrative expenses - Other	27	28
Other segment items	0	1
Segment Adjusted Operating Income (Loss)	235	228
Turbos & Thermal Technologies | Operating segments | Net sales - customers
Segment Reporting Information
Net sales	1,454	1,572
Turbos & Thermal Technologies | Operating segments | Net sales - inter-segment
Segment Reporting Information
Net sales	0	2
Drivetrain & Morse Systems
Segment Reporting Information
Net sales	1,356	1,416
Drivetrain & Morse Systems | Operating segments
Segment Reporting Information
Net sales	1,361	1,419
Cost of sales	1,079	1,124
Selling, general and administrative expenses - R&D, net	29	32
Selling, general and administrative expenses - Other	10	9
Other segment items	0	1
Segment Adjusted Operating Income (Loss)	243	253
Drivetrain & Morse Systems | Operating segments | Net sales - customers
Segment Reporting Information
Net sales	1,356	1,416
Drivetrain & Morse Systems | Operating segments | Net sales - inter-segment
Segment Reporting Information
Net sales	5	3
PowerDrive Systems
Segment Reporting Information
Net sales	555	430
PowerDrive Systems | Operating segments
Segment Reporting Information
Net sales	561	436
Cost of sales	492	386
Selling, general and administrative expenses - R&D, net	99	100
Selling, general and administrative expenses - Other	14	13
Other segment items	(1)	(1)
Segment Adjusted Operating Income (Loss)	(43)	(62)
PowerDrive Systems | Operating segments | Net sales - customers
Segment Reporting Information
Net sales	555	430
PowerDrive Systems | Operating segments | Net sales - inter-segment
Segment Reporting Information
Net sales	6	6
Battery & Charging Systems
Segment Reporting Information
Net sales	150	177
Battery & Charging Systems | Operating segments
Segment Reporting Information
Net sales	150	177
Cost of sales	150	171
Selling, general and administrative expenses - R&D, net	11	12
Selling, general and administrative expenses - Other	11	11
Other segment items	0	(2)
Segment Adjusted Operating Income (Loss)	(22)	(15)
Battery & Charging Systems | Operating segments | Net sales - customers
Segment Reporting Information
Net sales	150	177
Battery & Charging Systems | Operating segments | Net sales - inter-segment
Segment Reporting Information
Net sales	$ 0	$ 0