Revenue Disaggregation of Revenue - Geography (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Net Sales	$ 6,252		$ 5,627		$ 10,853	$ 9,805
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales	3,947		3,780		6,471	6,272
Seed [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	3,235	[1]	3,104	[1]	4,419	4,314
Seed [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	359	[2]	298	[2]	1,285	1,245
Seed [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales	206		234		529	508
Seed [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales	147		144		238	205
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales	2,305		1,847		4,382	3,533
Crop Protection [Member] | North America
Disaggregation of Revenue [Line Items]
Net Sales	843	[1]	738	[1]	1,664	1,271
Crop Protection [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	499	[2]	412	[2]	1,155	1,067
Crop Protection [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales	627		354		954	598
Crop Protection [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales	$ 336		$ 343		$ 609	$ 597

[1] Represents U.S. & Canada.

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