Revenue Disaggregation of Revenue - Geo (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Net Sales		$ 17,401	$ 16,908	$ 17,226
Segments
Disaggregation of Revenue [Line Items]
Net Sales		17,401	16,908	17,226
EMEA
Disaggregation of Revenue [Line Items]
Net Sales		3,110	3,124	3,367
Latin America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	3,928	3,776	3,906
Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		1,339	1,348	1,363
Seed [Member] | Segments
Disaggregation of Revenue [Line Items]
Net Sales		9,898	9,545	9,472
Seed [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net Sales	[2]	6,271	6,033	5,768
Seed [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[3]	1,560	1,581	1,622
Seed [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		1,614	1,523	1,637
Seed [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		453	408	445
Crop Protection [Member] | Segments
Disaggregation of Revenue [Line Items]
Net Sales		7,503	7,363	7,754
Crop Protection [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net Sales	[2]	2,753	2,627	2,822
Crop Protection [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[3]	1,550	1,543	1,745
Crop Protection [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		2,314	2,253	2,269
Crop Protection [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		$ 886	$ 940	$ 918

[1] Net sales for Brazil for the years ended December 31, 2025, 2024 and 2023 were $2,900 million, $2,618 million and $2,523 million, respectively.

[2] Represents U.S. & Canada.

[3] Europe, Middle East, and Africa ("EMEA")