Commitments and Contingent Liabilities Corteva Separation (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Accounts and Notes Receivable [Member]
Loss Contingencies [Line Items]
Indemnification Assets	$ 36,000,000	$ 31,000,000	$ 33,000,000
Other Assets [Member]
Loss Contingencies [Line Items]
Indemnification Assets	126,000,000	105,000,000	91,000,000
Accrued and Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Indemnified Liabilities	38,000,000	31,000,000	24,000,000
Other noncurrent obligations
Loss Contingencies [Line Items]
Indemnified Liabilities	108,000,000	$ 115,000,000	$ 122,000,000
PFAS [Member] | Minimum [Member]
Loss Contingencies [Line Items]
De minimis threshold	1,000,000
Corteva and DuPont stray liability threshold for PFAS	1
Corteva [Member]
Loss Contingencies [Line Items]
Stray liability threshold	$ 200,000,000
Stray liability sharing percentage	29.00%
Corteva [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%
Corteva and DuPont stray liability threshold for PFAS	$ 200,000,000
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