Segment Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Information
Revenues	$ (23,650)	$ (18,893)
Earnings Before Income Taxes	1,271	824
Ag Services and Oilseeds [Member]
Segment Information
Revenues	(18,253)	(15,007)
Earnings Before Income Taxes	1,008	777
Ag Services [Member]
Segment Information
Revenues	(11,847)	(10,146)
Crushing [Member]
Segment Information
Revenues	(3,222)	(2,742)
Refined Products and Other [Member]
Segment Information
Revenues	(3,184)	(2,119)
Carbohydrate Solutions [Member]
Segment Information
Revenues	(3,366)	(2,223)
Earnings Before Income Taxes	317	259
Starches and sweeteners [Member]
Segment Information
Revenues	(2,498)	(1,745)
VCP [Member]
Segment Information
Revenues	(868)	(478)
Nutrition [Member]
Segment Information
Revenues	(1,924)	(1,563)
Earnings Before Income Taxes	189	154
Human Nutrition [Member]
Segment Information
Revenues	(958)	(754)
Animal Nutrition [Member]
Segment Information
Revenues	(966)	(809)
Other [Member]
Segment Information
Revenues	(107)	(100)
Earnings Before Income Taxes	42	9
Operating Segments [Member]
Segment Information
Earnings Before Income Taxes	1,539	1,105
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	(19,132)	(15,939)
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	(4,180)	(2,634)
Operating Segments [Member] | Nutrition [Member]
Segment Information
Revenues	(1,966)	(1,624)
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	(107)	(100)
Intersegment Elimination [Member]
Segment Information
Revenues	1,735	1,404
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	879	932
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	814	411
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	42	61
Corporate, Non-Segment [Member]
Segment Information
Earnings Before Income Taxes	(268)	(281)
Other (Income) Expense - Net [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	1	0
Asset impairment, restructuring, and settlement [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	$ (18)	$ (94)