Segment Reporting Reconciliation of Profitability (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Net Sales		$ 6,456	$ 6,112	$ 10,873	$ 10,604
Cost of Goods Sold		2,932	2,918	5,274	5,468
Segments
Segment Reporting Information [Line Items]
Net Sales		6,456	6,112	10,873	10,604
Cost of Goods Sold		2,885	2,934	5,178	5,483
Other Expenses	[1]	1,374	1,225	2,279	2,110
Segment operating EBITDA		2,197	1,953	3,416	3,011
Seed [Member]
Segment Reporting Information [Line Items]
Net Sales		4,537	4,331
Seed [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales		4,537	4,331	7,244	7,082
Cost of Goods Sold		1,704	1,762	2,979	3,202
Other Expenses	[1]	970	871	1,560	1,434
Segment operating EBITDA		1,863	1,698	2,705	2,446
Crop Protection [Member]
Segment Reporting Information [Line Items]
Net Sales		1,919	1,781	3,629	3,522
Crop Protection [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales		1,919	1,781	3,629	3,522
Cost of Goods Sold		1,181	1,172	2,199	2,281
Other Expenses	[1]	404	354	719	676
Segment operating EBITDA		$ 334	$ 255	$ 711	$ 565

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