Segment Reporting Segment Information (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021		Sep. 30, 2022		Sep. 30, 2021		Dec. 31, 2021
Segment Reporting Information [Line Items]
Net Sales		$ 2,777		$ 2,371		$ 13,630		$ 12,176
Segment operating EBITDA		128		(11)		2,937		2,420
Segment Assets		36,139		36,240		36,139		36,240		$ 35,698
Net exchange gains (losses)	[1]	(13)		2		(96)		(47)
Income from continuing operations before income taxes		(396)		8		1,629		2,101
Interest Expense		18		8		43		22
Interest income		36		19		75		58
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges				(27)
Significant Items		202		(21)		379		214
Corporate Expenses		32		40		83		106
EID [Member]
Segment Reporting Information [Line Items]
Net Sales		2,777		2,371		13,630		12,176
Segment operating EBITDA		128		(11)		2,937		2,420
Income from continuing operations before income taxes		(410)		(3)		1,596		2,062
Interest Expense		32		19		76		61
Depreciation and Amortization		310		309		919		926
Non-operating benefits - net		(9)		(315)		(134)		(941)
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges		(6)		(19)		(3)		3
Significant Items		202		(21)		379		214
Corporate Expenses		32		40		83		106
Seed [Member]
Segment Reporting Information [Line Items]
Net Sales		862		738		7,333		7,010
Segment operating EBITDA		(224)		(217)		1,585		1,523
Segment Assets		22,665	[2]	23,701	[2]	22,665	[2]	23,701	[2]	23,270
Crop Protection [Member]
Segment Reporting Information [Line Items]
Net Sales		1,915		1,633		6,297		5,166
Segment operating EBITDA		352		206		1,352		897
Segment Assets		13,474	[2]	12,539	[2]	13,474	[2]	12,539	[2]	$ 12,428
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net exchange gains (losses)		13		(2)		96		47
Depreciation and Amortization		310		309		919		926
Interest income		(36)		(19)		(75)		(58)
Mark-to-market gain (loss) on certain foreign currency contracts not designated as hedges		(6)		(19)		(3)		3
Significant Items		(202)		21		(379)		(214)
Segment Reconciling Items [Member] | EID [Member]
Segment Reporting Information [Line Items]
Net exchange gains (losses)		13		(2)		96		47
Interest income		(36)		(19)		(75)		(58)
Segment Reconciling Items [Member] | Seed [Member]
Segment Reporting Information [Line Items]
Significant Items		(94)		38		(237)		(98)
Segment Reconciling Items [Member] | Crop Protection [Member]
Segment Reporting Information [Line Items]
Significant Items		$ (42)		$ (8)		$ (59)		$ (51)

[1] Includes net pre-tax exchange gains (losses) of $(32) million and $(65) million associated with the devaluation of the Argentine peso for the three and nine months ended September 30, 2022, respectively, and $(16) million and $(53) million for the three and nine months ended September 30, 2021, respectively.

[2] Segment assets at December 31, 2021 were $23,270 million and $12,428 million for Seed and Crop Protection, respectively.