EID Segment FN Segment reconciliation (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Provision for income taxes on continuing operations		$ 178	$ 127
Income from continuing operations before income taxes		791	408
Interest income		21	18
Interest Expense		7	10
Exchange (gains) losses - net	[1]	(35)	(61)
Significant Items		100	123
Corporate Expenses		34	25
Segment operating EBITDA		938	819
EID [Member]
Segment Reporting Information [Line Items]
Income from Continuing Operations After Taxes		602	257
Provision for income taxes on continuing operations		174	119
Income from continuing operations before income taxes		776	376
Depreciation and Amortization		304	283
Interest Expense		22	42
Non-operating benefits - net		(311)	(73)
Significant Items		100	123
Corporate Expenses		34	25
Segment operating EBITDA		938	819
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges	[2]	(1)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization		304	283
Interest income		(21)	(18)
Exchange (gains) losses - net		35	61
Significant Items		(100)	(123)
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges	[3]	(1)
Segment Reconciling Items [Member] | EID [Member]
Segment Reporting Information [Line Items]
Interest income		(21)	(18)
Exchange (gains) losses - net		35	61
Hedging Program [Member]
Segment Reporting Information [Line Items]
Exchange (gains) losses - net		16	165
Hedging Program [Member] | Argentine Peso Devaluation [Member]
Segment Reporting Information [Line Items]
Exchange (gains) losses - net		(23)	(9)
Corporate | Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Significant Items		(47)	(42)
Crop Protection [Member]
Segment Reporting Information [Line Items]
Segment operating EBITDA		321	238
Crop Protection [Member] | Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Significant Items		$ (32)	$ (71)

[1] Includes net pre-tax exchange losses of $(23) million and $(9) million associated with the devaluation of the Argentine peso for the three months ended March 31, 2021 and 2020, respectively.

[2] Effective January 1, 2021, on a prospective basis, the company excludes net unrealized gain or loss from mark-to-market activity for certain foreign currency derivative instruments that do not qualify for hedge accounting. There was no activity in the three months ended March 31, 2020.

[3] Effective January 1, 2021, on a prospective basis, the company excludes net unrealized gain or loss from mark-to-market activity for certain foreign currency derivative instruments that do not qualify for hedge accounting. There was no activity in the three months ended March 31, 2020. Refer to page 48 for further discussion of the company’s Non-GAAP financial measures.