Commitments and Contingent Liabilities Other PFOA Matters / Fayetteville (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) lawsuits
Firefighting Foam [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	2,350
Personal injury cases [Member] | Firefighting Foam [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	2,020
Municipal water districts | Firefighting Foam [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	190
Chemours Contribution to MDL Settlement
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party	$ 29.0
NEW YORK | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	50
NEW JERSEY | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	2
NEW JERSEY | Natural Resources Damages [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	4
OHIO | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	3
NORTH CAROLINA | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Number of Property Owners	100
Loss Contingency, Number of Additional Plaintiffs	100
DELAWARE | Natural Resources Damages [Member] | Corteva [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Threshold for payments to fund the NRST Trust	$ 50.0
Supplemental payment threshold	$ 25.0
Period for supplemental payment	8 years
Corteva and DuPont Share of NRST Trust Payment	$ 12.5
DELAWARE | Natural Resources Damages [Member] | Chemours [Member]
Loss Contingencies [Line Items]
Chemours share of payment to NRST Trust	$ 25.0
Chemours share of payment to NRST Trust, percentage	50.00%
NETHERLANDS | PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits	4
Alabama Water Utility [Member] | Natural Resources Damages [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number	1