Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (738)	$ 738	$ 462
Other comprehensive income (loss), net of tax
Cumulative translation adjustments	735	(575)	38
Pension and other post-employment benefit plans	(12)	(60)	(92)
Derivative instruments	(71)	32	(41)
Separation of M&M Divestitures	0	0	(32)
Total other comprehensive income (loss)	652	(603)	(127)
Comprehensive (loss) income	(86)	135	335
Comprehensive income attributable to noncontrolling interests, net of tax	48	22	31
Comprehensive (loss) income attributable to DuPont	$ (134)	$ 113	$ 304