GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 1,591	$ 1,498
Goodwill from acquisitions	112	38
Purchase accounting and other adjustments		(1)
Foreign currency translation	(63)	56
Goodwill, ending balance	1,640	1,591
Performance Coatings
Goodwill [Roll Forward]
Goodwill, beginning balance	1,513	1,422
Goodwill from acquisitions	112	38
Purchase accounting and other adjustments		(1)
Foreign currency translation	(59)	54
Goodwill, ending balance	1,566	1,513
Mobility Coatings
Goodwill [Roll Forward]
Goodwill, beginning balance	78	76
Goodwill from acquisitions	0	0
Purchase accounting and other adjustments		0
Foreign currency translation	(4)	2
Goodwill, ending balance	$ 74	$ 78