Asset Impairment, Exit, and Restructuring Costs (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Asset Impairment Charges And Exit Costs [Line Items]
Restructuring Charges	$ 33	$ 29	$ 39
Other Asset Impairment Charges	108	35	73
Goodwill and Intangible Asset Impairment	201	2	52
Goodwill, Impairment Loss	137
Corporate [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Restructuring Charges	6	1	4
Ag Services and Oilseeds [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Other Asset Impairment Charges	10		10
Goodwill, Impairment Loss			5
Impairment of Intangible Assets, Finite-lived			$ 42
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Restructuring, Settlement and Impairment Provisions
Carbohydrate Solutions [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Other Asset Impairment Charges	33	15	$ 13
Nutrition [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Other Asset Impairment Charges	65	20	50
Goodwill, Impairment Loss			1
Impairment of Intangible Assets, Finite-lived	64	2	$ 4
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Restructuring, Settlement and Impairment Provisions
All Reportable Segments [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Restructuring Charges	$ 27	$ 28	$ 35