Segment Reporting Reconciliation of Profitability (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net Sales		$ 17,401	$ 16,908	$ 17,226
Cost of Goods Sold		9,172	9,529	9,920
Segments
Segment Reporting Information [Line Items]
Net Sales		17,401	16,908	17,226
Cost of Goods Sold		9,118	9,512	9,895
Other Expenses	[1]	4,297	3,905	3,840
Segment Operating EBITDA		3,986	3,491	3,491
Seed [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales		9,898	9,545	9,472
Cost of Goods Sold		4,533	4,876	4,982
Other Expenses	[1]	2,729	2,450	2,373
Segment Operating EBITDA		2,636	2,219	2,117
Crop Protection [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales		7,503	7,363	7,754
Cost of Goods Sold		4,585	4,636	4,913
Other Expenses	[1]	1,568	1,455	1,467
Segment Operating EBITDA		$ 1,350	$ 1,272	$ 1,374

[1] Other expenses consist primarily of selling, general and administrative expenses and research and development expense, net of depreciation add-back.