Revenue Disaggregation of Revenue - Geo (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net Sales		$ 15,655	$ 14,217	$ 13,846
EMEA
Disaggregation of Revenue [Line Items]
Net Sales		3,123	2,842	2,740
Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		1,451	1,402	1,288
Latin America
Disaggregation of Revenue [Line Items]
Net Sales	[1]	3,545	2,805	2,889
Seed [Member]
Disaggregation of Revenue [Line Items]
Net Sales		8,402	7,756	7,590
Seed [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net Sales	[2]	5,004	4,795	4,724
Seed [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[3]	1,599	1,468	1,378
Seed [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		379	376	358
Seed [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		1,420	1,117	1,130
Crop Protection [Member]
Disaggregation of Revenue [Line Items]
Net Sales		7,253	6,461	6,256
Crop Protection [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net Sales	[2]	2,532	2,373	2,205
Crop Protection [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net Sales	[3]	1,524	1,374	1,362
Crop Protection [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales		1,072	1,026	930
Crop Protection [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net Sales		$ 2,125	$ 1,688	$ 1,759

[1] Net sales for Brazil for the years ended December 31, 2021, 2020 and 2019 were $2,315 million, $1,724 million and $1,794 million, respectively.

[2] Represents U.S. & Canada.

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