Revenue Disaggregation of Revenue - Principal Product Groups (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Net Sales	$ 4,492	$ 4,884
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,751	2,695
Seed [Member] | Corn [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,087	1,979
Seed [Member] | Soybean [Member]
Disaggregation of Revenue [Line Items]
Net Sales	292	269
Seed [Member] | Other oilseeds [Member]
Disaggregation of Revenue [Line Items]
Net Sales	245	301
Seed [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	127	146
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,741	2,189
Crop Protection [Member] | Herbicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	886	1,242
Crop Protection [Member] | Insecticides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	373	409
Crop Protection [Member] | Fungicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	295	359
Crop Protection [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	$ 187	$ 179