GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Goodwill [Line Items]
Payment to acquire business	$ 6	$ 290
Customer Relationships
Goodwill [Line Items]
Weighted average amortization periods (in years)	19 years		19 years 1 month 6 days
Performance Coatings Segment Acquisition
Goodwill [Line Items]
Consideration transferred	$ 9
Payment to acquire business	6
Cash acquired	$ 1
Weighted average amortization periods (in years)	10 years
Performance Coatings Segment Acquisition | Customer Relationships
Goodwill [Line Items]
Identifiable intangible assets	$ 5