Asset Impairment, Exit, and Restructuring Costs (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Asset Impairment Charges And Exit Costs [Line Items]
Restructuring Charges	$ 29	$ 39	$ 26
Other Asset Impairment Charges	35	73	28
Goodwill and Intangible Asset Impairment	2	52	26
Corporate [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Restructuring Charges	1	4	9
Other Asset Impairment Charges			7
Ag Services and Oilseeds [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Other Asset Impairment Charges		10	8
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	15	$ 13
Nutrition [Member]
Asset Impairment Charges And Exit Costs [Line Items]
Other Asset Impairment Charges	20	50	13
Goodwill, Impairment Loss		1
Impairment of Intangible Assets, Finite-lived	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	$ 28	$ 35	$ 17