Segment Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Information
Revenues	$ 22,248	$ 25,190	$ 44,095	$ 49,262
Earnings Before Income Taxes	596	1,132	1,481	2,529
Restructuring, Settlement and Impairment Provisions	(7)	(60)	(25)	(67)
Ag Services and Oilseeds [Member]
Segment Information
Revenues	17,333	19,844	34,552	38,423
Ag Services [Member]
Segment Information
Revenues	11,746	13,366	22,943	25,061
Crushing [Member]
Segment Information
Revenues	2,850	3,480	6,177	7,163
Refined Products and Other [Member]
Segment Information
Revenues	2,737	2,998	5,432	6,199
Carbohydrate Solutions [Member]
Segment Information
Revenues	2,894	3,381	5,577	6,918
Starches and sweeteners [Member]
Segment Information
Revenues	2,211	2,475	4,367	5,212
VCP [Member]
Segment Information
Revenues	683	906	1,210	1,706
Nutrition [Member]
Segment Information
Revenues	1,908	1,853	3,744	3,706
Human Nutrition [Member]
Segment Information
Revenues	1,061	966	2,025	1,902
Animal Nutrition [Member]
Segment Information
Revenues	847	887	1,719	1,804
Operating Segments [Member]
Segment Information
Revenues	22,135	25,078	43,873	49,047
Earnings Before Income Taxes	925	1,542	2,121	3,170
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Earnings Before Income Taxes	459	1,054	1,323	2,265
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	459	1,054	1,323	2,264
Operating Segments [Member] | Ag Services and Oilseeds [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	0	0	1
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Earnings Before Income Taxes	357	319	605	598
Operating Segments [Member] | Carbohydrate Solutions [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	357	303	605	576
Operating Segments [Member] | Carbohydrate Solutions [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	16	0	22
Operating Segments [Member] | Nutrition [Member]
Segment Information
Earnings Before Income Taxes	109	169	193	307
Operating Segments [Member] | Nutrition [Member] | Previously Reported
Segment Information
Earnings Before Income Taxes	109	185	193	330
Operating Segments [Member] | Nutrition [Member] | Intersegment pricing adjustments
Segment Information
Earnings Before Income Taxes	0	(16)	0	(23)
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	113	112	222	215
Earnings Before Income Taxes	96	86	217	183
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	432	562	858	1,092
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Previously Reported
Segment Information
Revenues	546	1,020	1,155	2,355
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	1	0	2
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(320)	0	(915)
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	546	701	1,155	1,442
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	(114)	(139)	(297)	(350)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	225	224	434	494
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Previously Reported
Segment Information
Revenues	239	448	518	1,177
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	16	0	22
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(60)	0	(290)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	239	404	518	909
Intersegment Elimination [Member] | Carbohydrate Solutions [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	(14)	(180)	(84)	(415)
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	18	12	31	24
Intersegment Elimination [Member] | Nutrition [Member] | Previously Reported
Segment Information
Revenues	13	73	19	164
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment pricing adjustments
Segment Information
Revenues	0	0	0	0
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment classification adjustments
Segment Information
Revenues	0	(39)	0	(94)
Intersegment Elimination [Member] | Nutrition [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues	13	34	19	70
Intersegment Elimination [Member] | Nutrition [Member] | Additional intersegment classification adjustments
Segment Information
Revenues	5	(22)	12	(46)
Segment Reconciling Items [Member]
Segment Information
Gain (Loss) on Disposition of Other Assets	0	11	0	12
Restructuring, Settlement and Impairment Provisions	(7)	(114)	13	121
Corporate, Non-Segment [Member]
Segment Information
Earnings Before Income Taxes	$ (418)	$ (393)	$ (844)	$ (715)