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RESTRUCTURING AND ASSET RELATED CHARGES - NET - Schedule of Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended		5 Months Ended	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Jun. 30, 2026	Sep. 30, 2026	Sep. 30, 2025
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 6	$ 18		$ 49	$ 57
2026 DuPont Restructuring Program
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				0
Restructuring charges	9		$ 60	60
Adjustments against the reserve				(1)
Cash payments				(9)
Reserve balance at end of period	50			50
2026 DuPont Restructuring Program \| Severance and Related Benefit Cost
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				0
Restructuring charges			59	59
Adjustments against the reserve				0
Cash payments				(9)
Reserve balance at end of period	50			50
2026 DuPont Restructuring Program \| Asset Related Charges
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				0
Restructuring charges			$ 1	1
Adjustments against the reserve				(1)
Cash payments				0
Reserve balance at end of period	0			0
Transformational Separation-Related Restructuring Program
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				34
Restructuring charges	(2)	$ 17		(10)	$ 58
Adjustments against the reserve				6
Cash payments				(20)
Reserve balance at end of period	10			10
Transformational Separation-Related Restructuring Program \| Severance and Related Benefit Cost
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				34
Restructuring charges				(4)
Adjustments against the reserve				0
Cash payments				(20)
Reserve balance at end of period	10			10
Transformational Separation-Related Restructuring Program \| Asset Related Charges
Restructuring Reserve [Roll Forward]
Reserve balance at beginning of period				0
Restructuring charges				(6)
Adjustments against the reserve				6
Cash payments				0
Reserve balance at end of period	$ 0			$ 0