Revenue Disaggregation of Revenue - Principal Product Groups (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Net Sales	$ 6,112	$ 6,045	$ 10,604	$ 10,929
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales	4,331	4,264	7,082	6,959
Seed [Member] | Corn [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,683	2,673	4,770	4,652
Seed [Member] | Soybean [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,317	1,255	1,609	1,524
Seed [Member] | Other oilseeds [Member]
Disaggregation of Revenue [Line Items]
Net Sales	186	194	431	495
Seed [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	145	142	272	288
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales	1,781	1,781	3,522	3,970
Crop Protection [Member] | Herbicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	946	986	1,832	2,228
Crop Protection [Member] | Insecticides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	415	331	788	740
Crop Protection [Member] | Fungicides [Member]
Disaggregation of Revenue [Line Items]
Net Sales	250	252	545	611
Crop Protection [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net Sales	$ 170	$ 212	$ 357	$ 391