Supplementary Information Other Income (Expense) - Net (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Sundry Income (Expense) - Net [Line Items]
Interest income		$ 124	$ 77	$ 56
Equity in earnings (losses) of affiliates - net		20	14	0
Net gain on sales of businesses and other assets	[1]	18	21	(2)
Net exchange losses	[2]	(229)	(54)	(174)
Non-operating pension and other post employment benefit credit (cost)	[3]	163	1,318	368
Miscellaneous income (expenses) - net	[4]	(156)	(28)	(36)
Other income (expense) - net		(60)	1,348	212
Equity Securities Mark-to-Mark Gain			47
Crop Protection [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Litigation Settlement, Expense	[5]	(87)
Segment Reconciling Items [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Interest income		(124)	(77)	(56)
Net exchange losses	[6]	229	54	174
Non-operating pension and other post employment benefit credit (cost)	[7]	(111)	(1,256)	(316)
(Loss) Gain on sale or disposition of assets			(236)
Employee Retention Credit		9	60
Contract Termination Cost			(54)
Equity Securities Mark-to-Mark Gain			47
Segment Reconciling Items [Member] | Crop Protection [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
(Loss) Gain on sale or disposition of assets		15	19
Employee Retention Credit		3	23
Litigation Settlement, Expense	[5]	(87)
Contract Termination Cost			(24)
La Porte | Segment Reconciling Items [Member] | Crop Protection [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
(Loss) Gain on sale or disposition of assets				(53)
APAC Business [Member] | Segment Reconciling Items [Member] | Crop Protection [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
(Loss) Gain on sale or disposition of assets				27
Hedging Program [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Net exchange losses		(12)	18	89
Hedging Program [Member] | Argentine peso devaluation [Member]
Schedule of Sundry Income (Expense) - Net [Line Items]
Net exchange losses		$ (110)	$ (67)	$ (82)

[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. The year ended December 31, 2020 includes a loss of $(53) million and a gain of $27 million relating to the sale of the La Porte site, for which the company signed an agreement in 2020, and closed during the first quarter of 2021, and the sale of a business in Asia Pacific in the crop protection segment, respectively.

[2] Includes net pre-tax exchange gains (losses) of $(110) million, $(67) million and $(82) million associated with the devaluation of the Argentine peso for the years ended December 31, 2022, 2021 and 2020, 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, 2022 and 2021 also includes the Employee Retention Credit of $9 million and $60 million, respectively, 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 year ended December 31, 2022 also includes estimated settlement reserves of $(87) million, losses associated with a previously held equity investment, legal accruals, settlement cost associated with the Russia Exit, and charges associated with the exit of a non-strategic asset. The year ended December 31, 2021 includes a charge related to a contract termination with a third-party service provider of $(54) million, a gain from the remeasurement of an equity investment of $47 million, and an officer indemnification payment.

[5] Consists of estimated Lorsban® related charges.

[6] Effective January 1, 2021, on a prospective basis, the company excludes net unrealized gain or loss from mark-to-market activity for certain foreign currency derivative instruments that do not qualify for hedge accounting. There was no unrealized mark-to-market (gain) loss for the year ended December 31, 2020.

[7] The year ended December 31, 2021 includes non-cash benefits related to the 2020 OPEB Plan Amendments. Refer to Note 17 - Pension Plans and Other Post Employment Benefits, to the Consolidated Financial Statements, for additional information.