Commitments and Contingent Liabilities DuPont (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Accounts and Notes Receivable [Member]
Loss Contingencies [Line Items]
Indemnification Assets	$ 33,000,000	$ 25,000,000	$ 25,000,000
Other Assets [Member]
Loss Contingencies [Line Items]
Indemnification Assets	91,000,000	75,000,000	70,000,000
Accrued and Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Indemnified Liabilities	24,000,000	20,000,000	54,000,000
Other noncurrent obligations
Loss Contingencies [Line Items]
Indemnified Liabilities	122,000,000	$ 117,000,000	$ 90,000,000
PFAS [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Corteva and DuPont stray liability threshold for PFAS	1
PFAS [Member] | Minimum [Member] | Once $300 million threshold is met [Member]
Loss Contingencies [Line Items]
De minimis threshold	1,000,000
PFAS [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Corteva and DuPont stray liability threshold for PFAS	300,000,000
DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Amount credited to each company's threshold	150,000,000
Litigation Settlement [Abstract]
Escrow Balance	$ 125,000,000
Corteva [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	29.00%
Corteva [Member] | PFAS [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS	50.00%
Corteva [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability threshold	$ 200,000,000
Corteva [Member] | DuPont de Nemours [Member] | PFAS [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS	50.00%
DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	71.00%
DuPont de Nemours [Member] | PFAS [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS	50.00%
DuPont de Nemours [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability threshold	$ 200,000,000
Corteva and DuPont stray liability threshold for PFAS	$ 200,000,000