Other Intangible Assets Other Intangible Assets (Details) - USD ($) $ in Millions		Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		$ 12,986	$ 13,073	$ 13,044
Finite-Lived Intangible Assets, Accumulated Amortization		(3,907)	(3,452)	(3,265)
Finite-Lived Intangible Assets, Net		9,079	9,621	9,779
Indefinite-lived Intangible Assets (Excluding Goodwill)		5	5	16
Intangible Assets, Gross (Excluding Goodwill)		12,991	13,078	13,060
Total other intangible assets		9,084	9,626	9,795
In Process Research and Development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)		5	5	16
Germplasm [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		6,291	6,291	6,291
Finite-Lived Intangible Assets, Accumulated Amortization		(1,272)	(1,081)	(1,017)
Finite-Lived Intangible Assets, Net		5,019	5,210	5,274
Customer-Related Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2,413	2,427	2,403
Finite-Lived Intangible Assets, Accumulated Amortization		(844)	(734)	(688)
Finite-Lived Intangible Assets, Net		1,569	1,693	1,715
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,838	1,849	1,845
Finite-Lived Intangible Assets, Accumulated Amortization		(1,126)	(1,004)	(958)
Finite-Lived Intangible Assets, Net		712	845	887
Trademarks and Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		2,056	2,111	2,110
Finite-Lived Intangible Assets, Accumulated Amortization		(359)	(339)	(314)
Finite-Lived Intangible Assets, Net		1,697	1,772	1,796
Other Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	[1]	388	395	395
Finite-Lived Intangible Assets, Accumulated Amortization	[1]	(306)	(294)	(288)
Finite-Lived Intangible Assets, Net	[1]	$ 82	$ 101	$ 107

[1] Primarily consists of sales and farmer networks, marketing and manufacturing alliances and noncompetition agreements.