Revenue Disaggregation of Revenue - Principal Product Groups (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Net Sales	$ 4,884	$ 4,601
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,695	2,524
Seed [Member] | Corn [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,979	1,930
Seed [Member] | Soybean [Member]
Disaggregation of Revenue [Line Items]
Net Sales	269	172
Seed [Member] | Other oilseeds [Member]
Disaggregation of Revenue [Line Items]
Net Sales	301	277
Seed [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	146	145
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,189	2,077
Crop Protection [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	179	150
Crop Protection [Member] | Herbicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,242	1,205
Crop Protection [Member] | Insecticides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	409	418
Crop Protection [Member] | Fungicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	$ 359	$ 304