Supplementary Information Other Income (Expense) - Net (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Schedule of Sundry Income (Expense) - Net [Line Items]
Interest income		$ 283	$ 124		$ 77
Equity in earnings (losses) of affiliates - net		10	20		14
Net gain on sales of businesses and other assets	[1]	22	18		21
Net exchange losses	[2]	(397)	(229)		(54)
Non-operating pension and other post employment benefit credit (cost)	[3]	(119)	163		1,318
Miscellaneous income (expenses) - net	[4]	(247)	(156)		(28)
Other income (expense) - net		(448)	(60)		1,348
Estimated Settlement Expense	[5]	204	87
Segment Reconciling Items [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Interest income		(283)	(124)		(77)
Net exchange losses		397	229		54
Non-operating pension and other post employment benefit credit (cost)		151	(111)		(1,256)	[6]
Employee Retention Credit		3	9		60
Segment Reconciling Items [Member] | Crop Protection [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
(Loss) Gain on sale or disposition of assets			15	[7]	19
Employee Retention Credit		3	3		23
Estimated Settlement Expense	[5]	204	87
Contract Termination Cost					(24)
Hedging Program [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Net exchange losses		(26)	(12)		18
Hedging Program [Member] | Argentine peso devaluation [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Net exchange losses		$ (284)	$ (110)		$ (67)

[1] The years ended December 31, 2022 and 2021 include a gain of $15 million and $19 million, respectively, relating to the sale of a business in the crop protection segment.

[2] Includes net pre-tax exchange gains (losses) of $(284) million, $(110) million and $(67) million associated with the devaluation of the Argentine peso for the years ended December 31, 2023, 2022 and 2021, respectively.

[3] Includes non-service related components of net periodic benefit credits (costs) (interest cost, expected return on plan assets, amortization of unrecognized gain (loss), amortization of prior service benefit and settlement gain (loss)). 

[4] Includes losses from sale of receivables, tax indemnification adjustments related to changes in indemnification balances as a result of the application of the terms of the Tax Matters Agreement between Corteva and Dow and/or DuPont, and other items. The years ended December 31, 2023, 2022, and 2021 also includes an Employee Retention Credit pursuant to the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act as enhanced by the Consolidated Appropriations Act (“CAA”) and American Rescue Plan Act (“ARPA”). The years ended December 31, 2023 and 2022 also includes estimated settlement reserves and gains (losses) associated with the sale of businesses, assets and equity investments. The year ended December 31, 2022 also includes legal accruals and settlement cost associated with the Russia Exit. The year ended December 31, 2021 also includes a charge related to a contract termination with a third-party service provider, a gain from the remeasurement of an equity investment and an officer indemnification payment. See Note 23 - Segment Information, to the Consolidated Financial Statements, for additional information on significant items.

[5] Consists of estimated Lorsban® related charges.

[6] The year ended December 31, 2021 includes non-cash benefits related to the 2020 OPEB Plan Amendments. Refer to Note 18 - Pension Plans and Other Post-Employment Benefits, to the Consolidated Financial Statements, for additional information.

[7] Incremental gains (losses) associated with activities related to the 2022 Restructuring Actions.