Commitments and Contingent Liabilities - New Jersey (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Aug. 03, 2025
Corteva [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	29.00%
DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	71.00%
NEW JERSEY | New Jersey Statewide Settlement [Member]
Loss Contingencies [Line Items]
New Jersey Statewide Settlement Reserve Fund	$ 475,000,000
NEW JERSEY | Chemours [Member]
Loss Contingencies [Line Items]
Purchase of Chemours' Future Interest in Insurance Proceeds		$ 150,000,000
Litigation Settlement, Purchase of Chemours' Future Interest in Insurance Proceeds, Fee Threshold I		35,000,000
Litigation Settlement, Purchase of Chemours' Future Interest in Insurance Proceeds, Fee Threshold II		$ 3,000,000
Purchase of Chemours' Future Interest in Insurance Proceeds, Fee Interest Rate		2.00%
NEW JERSEY | Corteva [Member] | Chemours [Member]
Loss Contingencies [Line Items]
Purchase of Chemours' Future Interest in Insurance Proceeds		$ 44,000,000
NEW JERSEY | DuPont de Nemours [Member] | Chemours [Member]
Loss Contingencies [Line Items]
Purchase of Chemours' Future Interest in Insurance Proceeds		$ 106,000,000
NEW JERSEY | Natural Resources Damages [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	4
NEW JERSEY | PFAS [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	2
NEW JERSEY | New Jersey Statewide Settlement [Member]
Loss Contingencies [Line Items]
Litigation Settlement Amount	$ 875,000,000
Litigation Settlement, Amount Awarded to Other Party, Period	25 years
Litigation Settlement, Amount Awarded to Other Party, Present value	$ 500,000,000
Litigation Settlement, Amount Awarded to Other Party, Discount Rate	8.00%
Litigation Settlement, Amount Allocated to Statewide NRD	$ 16,000,000
Litigation Settlement, Percentage of Allocated Statewide NRD for Alleged Statewide AFFF Contamination	25.00%
(Loss) Income from Discontinued Operation, before Income Tax	$ 72,000,000
Discontinued Operation, Income (Loss) from Discontinued Operation, after Income Tax	$ 58,000,000
NEW JERSEY | New Jersey Statewide Settlement [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Historical DuPont Operating Sites	4