Segment Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Information
Revenues	$ (21,847)	$ (24,072)
Earnings Before Income Taxes	885	1,397
Restructuring, Settlement and Impairment Provisions	(18)	(7)
Ag Services and Oilseeds [Member]
Segment Information
Revenues	(17,219)	(18,579)
Ag Services [Member]
Segment Information
Revenues	(11,197)	(11,695)
Crushing [Member]
Segment Information
Revenues	(3,327)	(3,683)
Refined Products and Other [Member]
Segment Information
Revenues	(2,695)	(3,201)
Carbohydrate Solutions [Member]
Segment Information
Revenues	(2,683)	(3,537)
Starches and sweeteners [Member]
Segment Information
Revenues	(2,156)	(2,737)
VCP [Member]
Segment Information
Revenues	(527)	(800)
Nutrition [Member]
Segment Information
Revenues	(1,836)	(1,853)
Human Nutrition [Member]
Segment Information
Revenues	(964)	(936)
Animal Nutrition [Member]
Segment Information
Revenues	(872)	(917)
Other [Member]
Segment Information
Revenues	(109)	(103)
Operating Segments [Member]
Segment Information
Earnings Before Income Taxes	1,311	1,719
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	(17,828)	(19,320)
Earnings Before Income Taxes	864	1,211
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Revised for Transfer Price Adjustment
Segment Information
Revenues		(19,915)
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Previously Reported [Member]
Segment Information
Revenues		(19,914)
Earnings Before Income Taxes		1,210
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Revision of Prior Period, Error Correction, Adjustment
Segment Information
Revenues		(1)
Earnings Before Income Taxes		1
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		595
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	(2,962)	(4,042)
Earnings Before Income Taxes	248	279
Operating Segments [Member] | Carbohydrate Solutions [Member] | Revised for Transfer Price Adjustment
Segment Information
Revenues		(4,272)
Operating Segments [Member] | Carbohydrate Solutions [Member] | Previously Reported [Member]
Segment Information
Revenues		(4,266)
Earnings Before Income Taxes		273
Operating Segments [Member] | Carbohydrate Solutions [Member] | Revision of Prior Period, Error Correction, Adjustment
Segment Information
Revenues		(6)
Earnings Before Income Taxes		6
Operating Segments [Member] | Carbohydrate Solutions [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		230
Operating Segments [Member] | Nutrition [Member]
Segment Information
Revenues	(1,842)	(1,889)
Earnings Before Income Taxes	84	138
Operating Segments [Member] | Nutrition [Member] | Revised for Transfer Price Adjustment
Segment Information
Earnings Before Income Taxes		138
Operating Segments [Member] | Nutrition [Member] | Previously Reported [Member]
Segment Information
Revenues		(1,944)
Earnings Before Income Taxes		145
Operating Segments [Member] | Nutrition [Member] | Revision of Prior Period, Error Correction, Adjustment
Segment Information
Earnings Before Income Taxes		(7)
Operating Segments [Member] | Nutrition [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		55
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	(109)	(103)
Earnings Before Income Taxes	121	97
Intersegment Elimination [Member]
Segment Information
Revenues	894	1,282
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	609	741
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Revised for Transfer Price Adjustment
Segment Information
Revenues		1,336
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Previously Reported [Member]
Segment Information
Revenues		1,335
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Revision of Prior Period, Error Correction, Adjustment
Segment Information
Revenues		1
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		(595)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	279	505
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Revised for Transfer Price Adjustment
Segment Information
Revenues		735
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Previously Reported [Member]
Segment Information
Revenues		729
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Revision of Prior Period, Error Correction, Adjustment
Segment Information
Revenues		6
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		(230)
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	6	36
Intersegment Elimination [Member] | Nutrition [Member] | Previously Reported [Member]
Segment Information
Revenues		91
Intersegment Elimination [Member] | Nutrition [Member] | Revision of Prior Period, Reclassification, Adjustment
Segment Information
Revenues		(55)
Segment Reconciling Items [Member]
Segment Information
Gain (Loss) on Disposition of Other Assets	0	1
Restructuring, Settlement and Impairment Provisions	(6)	(7)
Corporate, Non-Segment [Member]
Segment Information
Earnings Before Income Taxes	$ (426)	$ (322)