GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Millions	9 Months Ended
Sep. 30, 2026 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 1,795
Goodwill from acquisitions	5
Foreign currency translation	(38)
Goodwill, ending balance	1,762
Performance Coatings
Goodwill [Roll Forward]
Goodwill, beginning balance	1,714
Goodwill from acquisitions	5
Foreign currency translation	(36)
Goodwill, ending balance	1,683
Mobility Coatings
Goodwill [Roll Forward]
Goodwill, beginning balance	81
Goodwill from acquisitions	0
Foreign currency translation	(2)
Goodwill, ending balance	$ 79

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details