Segment Reporting Significant Items (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Restructuring and Asset related charges, net		$ 5	$ 100
Significant Items		22	100
Net exchange gains (losses)	[1]	(47)	(35)
Hedging Program [Member]
Segment Reporting Information [Line Items]
Net exchange gains (losses)		(53)	16
Argentine Peso Devaluation [Member] | Hedging Program [Member]
Segment Reporting Information [Line Items]
Net exchange gains (losses)		(15)	(23)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Restructuring and Asset related charges, net	[2]	(5)	(100)
Litigation Settlement, Expense		(17)
Significant Items		(22)	(100)
Net exchange gains (losses)		47	35
Segment Reconciling Items [Member] | Seed [Member]
Segment Reporting Information [Line Items]
Restructuring and Asset related charges, net	[2]	(5)	(21)
Significant Items		(5)	(21)
Segment Reconciling Items [Member] | Crop Protection [Member]
Segment Reporting Information [Line Items]
Restructuring and Asset related charges, net	[2]	2	(32)
Litigation Settlement, Expense		(17)
Significant Items		(15)	(32)
Segment Reconciling Items [Member] | Corporate
Segment Reporting Information [Line Items]
Restructuring and Asset related charges, net	[2]	(2)	(47)
Significant Items		$ (2)	$ (47)

[1] Includes net pre-tax exchange gains (losses) of $(15) million and $(23) million associated with the devaluation of the Argentine peso for the three months ended March 31, 2022 and 2021, respectively.

[2] Includes Board approved restructuring plans and asset related charges as well as accelerated prepaid amortization expense. See Note 4 - Restructuring and Asset Related Charges - Net, to the interim Consolidated Financial Statements for additional information.2.Consists of estimated Lorsban® related reserves.