REPORTABLE SEGMENTS - Schedule of Earnings before interest and income taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Segment Reporting Information
Segment Adjusted Operating Income	$ 442	$ 431	$ 855	$ 835
Corporate, including stock-based compensation	69	55	130	120
Restructuring expense (Note 5)	17	25	48	44
Impairment charges	3	0	42	0
Intangible asset amortization expense	16	17	33	34
Costs to exit charging business	6	0	32	0
Accelerated depreciation	21	8	21	8
Write-off of customer incentive asset	7	0	7	0
Chief Executive Officer ("CEO") transition compensation	6	0	6	0
Loss on sale of assets	5	0	5	0
Merger and acquisition expense, net	0	0	2	5
Loss (gain) on sale of businesses	0	0	1	(3)
Commercial contract settlement	0	15	0	15
Adjustments associated with Spin-Off related balances	2	11	(1)	11
Other non-comparable items	1	3	3	9
Equity in affiliates’ earnings, net of tax	(8)	(12)	(18)	(17)
Unrealized (gain) loss on equity securities	(1)	0	(1)	2
Interest expense, net	12	8	24
Other postretirement expense	2	3	5	6
Earnings from continuing operations before income taxes and noncontrolling interest	284	298	516	588
Depreciation and amortization	179	160	334	310
Long-lived asset expenditures	77	165	196	355
Total assets	14,399		14,399		$ 13,993
Operating segments
Segment Reporting Information
Depreciation and amortization	172	152	320	295
Long-lived asset expenditures	73	160	190	345
Total assets	11,783		11,783		11,439
Corporate
Segment Reporting Information
Depreciation and amortization	7	8	14	15
Long-lived asset expenditures	4	5	6	10
Total assets	2,616		2,616		2,554
Turbos & Thermal Technologies
Segment Reporting Information
Segment Adjusted Operating Income	227	224	462	452
Turbos & Thermal Technologies | Operating segments
Segment Reporting Information
Depreciation and amortization	42	44	82	87
Long-lived asset expenditures	28	41	69	81
Total assets	3,935		3,935		3,693
Drivetrain & Morse Systems
Segment Reporting Information
Segment Adjusted Operating Income	260	266	503	519
Drivetrain & Morse Systems | Operating segments
Segment Reporting Information
Depreciation and amortization	70	56	119	108
Long-lived asset expenditures	17	24	41	59
Total assets	3,925		3,925		3,872
PowerDrive Systems
Segment Reporting Information
Segment Adjusted Operating Income	(33)	(49)	(76)	(111)
PowerDrive Systems | Operating segments
Segment Reporting Information
Depreciation and amortization	45	41	88	77
Long-lived asset expenditures	24	66	68	154
Total assets	2,885		2,885		2,792
Battery & Charging Systems
Segment Reporting Information
Segment Adjusted Operating Income	(12)	(10)	(34)	(25)
Impairment charges			22
Battery & Charging Systems | Operating segments
Segment Reporting Information
Depreciation and amortization	15	11	31	23
Long-lived asset expenditures	4	$ 29	12	$ 51
Total assets	$ 1,038		$ 1,038		$ 1,082