Commitments and Contingent Liabilities Chemours (Details) - USD ($) $ in Millions		60 Months Ended
	Jul. 01, 2015	Jul. 06, 2022	Mar. 31, 2020
Loss Contingencies [Line Items]
Indemnification Assets			$ 198
PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Limited Sharing of Potential Future Liabilities, Period		5 years
Additional annual PFOA liabilities for the next five years paid by Corteva			25
Chemours [Member] | PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Additional annual PFOA liabilities for the next five years paid by Chemours			25
Chemours [Member] | Accounts and Notes Receivable [Member]
Loss Contingencies [Line Items]
Indemnification Assets			60
Chemours [Member] | Other Assets [Member]
Loss Contingencies [Line Items]
Indemnification Assets			294
Chemours [Member] | Accrued and Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Indemnified Liabilities			60
Chemours [Member] | Other noncurrent obligations
Loss Contingencies [Line Items]
Indemnified Liabilities			$ 294
Chemours [Member]
Loss Contingencies [Line Items]
Proceeds from Dividends Received	$ 3,910