Revenue Disaggregation of Revenue - Geography (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Net Sales		$ 6,456	$ 6,112	$ 10,873	$ 10,604
Segments
Disaggregation of Revenue [Line Items]
Net Sales		6,456	6,112	10,873	10,604
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales		4,537	4,331
Seed [Member] | Segments
Disaggregation of Revenue [Line Items]
Net Sales		4,537	4,331	7,244	7,082
Seed [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	3,954	3,753	5,551	5,224
Seed [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[2]	282	251	1,108	1,169
Seed [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		154	207	339	478
Seed [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		147	120	246	211
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales		1,919	1,781	3,629	3,522
Crop Protection [Member] | Segments
Disaggregation of Revenue [Line Items]
Net Sales		1,919	1,781	3,629	3,522
Crop Protection [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	675	647	1,288	1,263
Crop Protection [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[2]	465	422	1,116	1,092
Crop Protection [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		518	443	775	687
Crop Protection [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		$ 261	$ 269	$ 450	$ 480

[1] Represents U.S. & Canada.

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