GOODWILL AND OTHER INTANGIBLES - Schedule of Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Gross goodwill balance, December 31, 2024	$ 3,436
Accumulated impairment losses, December 31, 2024		$ (1,079)
Goodwill, beginning balance	2,357
Impairment	(13)
Other, primarily translation adjustment	123
Goodwill, ending balance	2,467
Turbos & Thermal Technologies
Goodwill [Roll Forward]
Gross goodwill balance, December 31, 2024	1,235
Accumulated impairment losses, December 31, 2024		(502)
Goodwill, beginning balance	733
Impairment	0
Other, primarily translation adjustment	44
Goodwill, ending balance	777
Drivetrain & Morse Systems
Goodwill [Roll Forward]
Gross goodwill balance, December 31, 2024	1,120
Accumulated impairment losses, December 31, 2024		0
Goodwill, beginning balance	1,120
Impairment	0
Other, primarily translation adjustment	14
Goodwill, ending balance	1,134
PowerDrive Systems
Goodwill [Roll Forward]
Gross goodwill balance, December 31, 2024	468
Accumulated impairment losses, December 31, 2024		(468)
Goodwill, beginning balance	0
Impairment	0
Other, primarily translation adjustment	0
Goodwill, ending balance	0
Battery & Charging Systems
Goodwill [Roll Forward]
Gross goodwill balance, December 31, 2024	613
Accumulated impairment losses, December 31, 2024		$ (109)
Goodwill, beginning balance	504
Impairment	(13)
Other, primarily translation adjustment	65
Goodwill, ending balance	$ 556