Revenue Disaggregation of Revenue - Principal Product Groups (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net Sales	$ 6,045	$ 6,252	$ 10,929	$ 10,853
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales	4,264	3,947	6,959	6,471
Seed [Member] | Corn [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,673	2,222	4,652	4,152
Seed [Member] | Soybean [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,255	1,308	1,524	1,480
Seed [Member] | Other oilseeds [Member]
Disaggregation of Revenue [Line Items]
Net Sales	194	246	495	523
Seed [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	142	171	288	316
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,781	2,305	3,970	4,382
Crop Protection [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	212	139	391	289
Crop Protection [Member] | Herbicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	986	1,224	2,228	2,429
Crop Protection [Member] | Insecticides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	331	494	740	912
Crop Protection [Member] | Fungicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	$ 252	$ 448	$ 611	$ 752