Revenue Disaggregation of Revenue - Geography (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Net Sales		$ 4,601	$ 4,178
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales		2,524	2,492
Seed [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	1,184	1,210
Seed [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[2]	926	947
Seed [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		323	274
Seed [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		91	61
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales		2,077	1,686
Crop Protection [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	821	533
Crop Protection [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[2]	656	655
Crop Protection [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		327	244
Crop Protection [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		$ 273	$ 254

[1] Represents U.S. & Canada.

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