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
Operating Segments [Member]
Segment Information
Revenues	21,738	23,969
Earnings Before Income Taxes	1,196	1,628
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Earnings Before Income Taxes	864	1,211
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	864	1,210
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	1
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Earnings Before Income Taxes	248	279
Operating Segments [Member] | Carbohydrate Solutions [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	248	273
Operating Segments [Member] | Carbohydrate Solutions [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	6
Operating Segments [Member] | Nutrition [Member]
Segment Information
Earnings Before Income Taxes	84	138
Operating Segments [Member] | Nutrition [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	84	145
Operating Segments [Member] | Nutrition [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	(7)
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	109	103
Earnings Before Income Taxes	121	97
Intersegment Elimination [Member]
Segment Information
Revenues	647	812
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	426	530
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Previously Reported
Segment Information
Revenues	609	1,335
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	1
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(595)
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	609	741
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	(183)	(211)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	208	270
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Previously Reported
Segment Information
Revenues	279	729
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	6
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(230)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	279	505
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	(71)	(235)
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	13	12
Intersegment Elimination [Member] | Nutrition [Member] | Previously Reported
Segment Information
Revenues	6	91
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	0
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(55)
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	6	36
Intersegment Elimination [Member] | Nutrition [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	7	(24)
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)