Commitments and Contingent Liabilities Other PFOA Matters / Fayetteville (Details)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2025 USD ($) lawsuits	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($) lawsuits	Jun. 30, 2021 USD ($) lawsuits	Dec. 31, 2023 USD ($)	Aug. 03, 2025 USD ($)
Firefighting Foam [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	6,900			6,900
Nationwide Water District Settlement
Loss Contingencies [Line Items]
Number of water district opt-outs	900			900
Water Districts remaining in Settlement Class	93.00%			93.00%
MDL Settlement [Domain]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party			$ 59,000,000		$ 83,000,000
MDL Settlement [Domain] | Chemours [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party					29,000,000
MDL Settlement [Domain] | DuPont de Nemours and Corteva
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party					27,000,000
MDL Settlement [Domain] | Corteva [Member]
Loss Contingencies [Line Items]
Payments for Legal Settlements		$ 8,000,000			$ 27,000,000
MDL Settlement [Domain] | Settled Litigation | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits					95
NEW YORK | Baker Class Action [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party, Supplemental Payment	$ 1,000,000
Period for supplemental payment	5 years
Litigation Settlement, Amount Awarded to Other Party	$ 22,000,000
NEW JERSEY | New Jersey Statewide Settlement [Member]
Loss Contingencies [Line Items]
New Jersey Statewide Settlement Reserve Fund	475,000,000
NEW JERSEY | Chemours [Member] | Subsequent Event
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] | Subsequent Event
Loss Contingencies [Line Items]
Purchase of Chemours' Future Interest in Insurance Proceeds							$ 44,000,000
NEW JERSEY | DuPont de Nemours [Member] | Chemours [Member] | Subsequent Event
Loss Contingencies [Line Items]
Purchase of Chemours' Future Interest in Insurance Proceeds							$ 106,000,000
NEW JERSEY | New Jersey Statewide Settlement [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party	$ 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%			25.00%
Discontinued Operation, Income (Loss) 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
OHIO | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	2			2
Litigation Settlement, Amount Awarded to Other Party						$ 110,000,000
OHIO | Corteva Contribution to Ohio NRD Settlement | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party		$ 16,000,000
NORTH CAROLINA | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Number of Property Owners				2,400
DELAWARE | Natural Resources Damages [Member] | Corteva [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Threshold for payments to fund the NRST Trust	$ 50,000,000			$ 50,000,000
Supplemental payment threshold	25,000,000			$ 25,000,000
Period for supplemental payment				8 years
Estimated Litigation Liability	$ 4,000,000			$ 4,000,000
Alabama Water Utility [Member] | Natural Resources Damages [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	1			1