Segment Reporting Sig Items (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025		Dec. 31, 2024		Dec. 31, 2023
Segment Reporting Information [Line Items]
Restructuring and asset related charges - net	[1]	$ (146)		$ (288)		$ (336)
Bayer resolution	[2]	(610)
Inventory Write-down	[3]			2
Gain (loss) on sale of business, assets and equity investments		41		17		22
AltEn facility remediation charges	[4]	(37)				(10)
Insurance Proceeds	[5]	98		71
Estimated Settlement Expense	[6]			(101)		(204)
Acquisition Related Costs	[7]			(6)		(45)
Employee Retention Credit						3
Significant Items		(658)		(315)		(579)
2022 Restructuring Actions
Segment Reporting Information [Line Items]
Inventory Write-down	[3]					(7)
Gain (loss) on sale of business, assets and equity investments	[3],[8]	14		7		14
2022 Restructuring Actions - Russia Exit
Segment Reporting Information [Line Items]
Russia Seed Sale, pre-tax benefit	[3],[9]					18
Crop Protection Strategy Operations Program [Member]
Segment Reporting Information [Line Items]
Inventory Write-down	[8]					(12)
Gain (loss) on sale of business, assets and equity investments	[3],[8]	23
2022 Restructuring Actions and Crop Protection Operation Strategy Restructuring Program
Segment Reporting Information [Line Items]
Gain (loss) on sale of business, assets and equity investments	[3],[8]	37
Seed [Member]
Segment Reporting Information [Line Items]
Restructuring and asset related charges - net	[1]	(4)		(55)		(86)
Bayer resolution	[2]	(610)
Inventory Write-down				2	[3]	0	[8]
Gain (loss) on sale of business, assets and equity investments	[3]	0	[8]	4		4
AltEn facility remediation charges	[4]	(37)				(10)
Insurance Proceeds	[5]	0		0
Estimated Settlement Expense	[6]			0		0
Acquisition Related Costs	[7]			0		0
Employee Retention Credit						0
Russia Seed Sale, pre-tax benefit	[3],[9]					18
Other Nonrecurring Income		(651)		(49)		(81)
Seed [Member] | 2022 Restructuring Actions
Segment Reporting Information [Line Items]
Inventory Write-down	[3]					(7)
Crop Protection [Member]
Segment Reporting Information [Line Items]
Restructuring and asset related charges - net	[1]	(135)		(142)		(228)
Bayer resolution	[2]	0
Inventory Write-down	[3]			0		0
Gain (loss) on sale of business, assets and equity investments	[3]	37	[8]	3		10
AltEn facility remediation charges	[4]	0				0
Insurance Proceeds	[5]	98		71
Estimated Settlement Expense	[6]			(101)		(204)
Acquisition Related Costs	[7]			(6)		(45)
Employee Retention Credit						3
Russia Seed Sale, pre-tax benefit	[3],[9]					0
Other Nonrecurring Income		0		(175)		(476)
Crop Protection [Member] | Crop Protection Strategy Operations Program [Member]
Segment Reporting Information [Line Items]
Inventory Write-down	[8]					(12)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Restructuring and asset related charges - net	[1]	(7)		(91)		(22)
Bayer resolution	[2]	0
Inventory Write-down	[3]			0		0	[8]
Gain (loss) on sale of business, assets and equity investments	[3]	0	[8]	0		0
AltEn facility remediation charges	[4]	0				0
Insurance Proceeds	[5]	0		0
Estimated Settlement Expense	[6]			0		0
Acquisition Related Costs	[7]			0		0
Employee Retention Credit						0
Russia Seed Sale, pre-tax benefit	[3],[9]					0
Other Nonrecurring Income		$ (7)		$ (91)		$ (22)

[1] Includes restructuring plans and asset related charges as well as accelerated prepaid amortization expense. See Note 5 - Restructuring and Asset Related Charges - Net, to the Consolidated Financial Statements, for additional information.

[2] Consists of a charge relating to the resolution of litigation with Bayer. See Note 15 - Commitments and Contingent Liabilities, to the Consolidated Financial Statements, for additional information.

[3] Incremental gains (losses) associated with activities related to the 2022 Restructuring Actions. Within gain (loss) on sale of business, assets and equity investments, such benefits are $14 million, $7 million and $14 million for the years ended December 31, 2025, 2024 and 2023, respectively.

[4] Relates to a charge to increase the remediation accrual at the AltEn facility relating to Corteva's estimated voluntary contribution to the solid waste and wastewater remedial action plans. See Note 15 - Commitments and Contingent Liabilities, to the Consolidated Financial Statements, for additional information.

[5] Includes proceeds received related to prior significant items.

[6] Consists of estimated Lorsban® related charges.

[7] Relates to acquisition-related costs, including transaction and third-party integration costs associated with the completed acquisitions of Stoller and Symborg as well as the recognition of the inventory fair value step-up.

[8] Incremental gains (losses) associated with activities related to the Crop Protection Operations Strategy Restructuring Program. Within gain (loss) on sale of business, assets and equity investments, a $23 million benefit was recorded for the year ended December 31, 2025.

[9] Includes a benefit of $18 million for the year ended December 31, 2023, relating to the sale of seeds already under production in Russia when the decision to exit the country was made and that the company was contractually required to purchase. It consists of $71 million of net sales and $53 million of cost of goods sold for the year ended December 31, 2023.