Segment Reporting Segment Information (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024		Sep. 30, 2023		Dec. 31, 2023
Segment Reporting Information [Line Items]
Net Sales	$ 2,326		$ 2,590		$ 12,930		$ 13,519
Segment operating EBITDA	(74)		46		2,937		3,079
Total Assets	41,908		43,110		41,908		43,110		$ 42,996
Income (loss) from continuing operations after income taxes	(519)		(315)		913		1,172
Interest Expense	66		58		173		171
Income from continuing operations before income taxes	(633)		(444)		1,187		1,416
Interest income	33		59		93		153
Segments
Segment Reporting Information [Line Items]
Net Sales	2,326		2,590
Segment operating EBITDA	(74)		46
Total Assets	37,087		38,275		37,087		38,275		37,736
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Corporate Expenses	26		28		86		84
Interest income	(33)		(59)		(93)		(153)
EIDP
Segment Reporting Information [Line Items]
Net Sales	2,326		2,590		12,930		13,519
Segment operating EBITDA	(74)		46		2,937		3,079
Total Assets	43,413		43,327		43,413		43,327		43,373
Income (loss) from continuing operations after income taxes	(505)		(317)		942		1,155
Interest Expense	66		60		173		193
Income from continuing operations before income taxes	(615)		(446)		1,225		1,394
EIDP | Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Corporate Expenses	26		28		86		84
Interest income	(51)		(59)		(131)		(153)
Seed [Member]
Segment Reporting Information [Line Items]
Net Sales	691		878		7,773		7,837
Seed [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales	691		878		7,773
Segment operating EBITDA	(320)		(138)		2,126		1,972
Total Assets	22,192	[1]	22,829	[1]	22,192	[1]	22,829	[1]	22,732
Crop Protection [Member]
Segment Reporting Information [Line Items]
Net Sales	1,635		1,712		5,157		5,682
Crop Protection [Member] | Segments
Segment Reporting Information [Line Items]
Net Sales	1,635
Segment operating EBITDA	246		184		811		1,107
Total Assets	$ 14,895	[1]	$ 15,446		$ 14,895	[1]	$ 15,446		$ 15,004

[1] Segment assets at December 31, 2023 were $22,732 million and $15,004 million for Seed and Crop Protection, respectively. As of and for the Nine Months Ended September 30, (In millions) SeedCrop ProtectionTotal2024   Net sales$7,773 $5,157 $12,930 Segment operating EBITDA2,126 811 2,937 2023   Net sales$7,837 $5,682 $13,519 Segment operating EBITDA1,972 1,107 3,079