DIVESTITURES - Schedule of Other Discontinued Operations Activity (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax	$ (12)	$ (209)	$ 46	$ (661)	$ 185	$ 243	$ 210	$ 196	$ (836)	$ 834	$ 524
Aramids Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net tax (benefit) provision									(74)
M&M Divestitures
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net tax (benefit) provision											21
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Electronics Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax									513	775	612
(Loss) income from discontinued operations attributable to DuPont common stockholders									482	742	584
Net tax (benefit) provision									141	181	166
Discontinued Operations, Held for sale | Aramids Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax									(1,095)	99	(16)
(Loss) income from discontinued operations attributable to DuPont common stockholders									(1,095)	99	(21)
Loss from classification to held for sale		$ 437							444	0	0
Goodwill impairment charges									768	0	136
Net tax (benefit) provision									(67)	20	22
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax related matters									(6)	57	0
Other									(10)	(10)	(19)
(Loss) income from discontinued operations attributable to DuPont common stockholders									(836)	834	524
Discontinued Operations, Disposed of by Sale | Indemnification Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification activity - environmental and legal									(35)	(24)	(50)
Discontinued Operations, Disposed of by Sale | M&M Divestitures
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax											(57)
(Loss) income from discontinued operations									(2)	(27)	423
Net tax (benefit) provision											31
Discontinued Operations, Disposed of by Sale | MOU Activity
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations									(201)	(36)	(426)
Discontinued Operations, Held-for-Sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net tax (benefit) provision									$ (90)	$ 224	$ 131