Segment and Geographic Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Information
Revenues	$ 22,978	$ 21,695	$ 25,190	$ 24,072	$ 25,939	$ 24,683	$ 27,284	$ 23,650	$ 93,935	$ 101,556	$ 85,249
Depreciation									825	794	807
Asset Abandonments and Impairments									108	35	73
Interest income									499	293	96
Equity in earnings of affiliates									551	832	595
Operating profit									4,294	5,233	3,313
Investments in and advances to affiliates	5,500				5,467				5,500	5,467
Assets	54,631				59,774				54,631	59,774
Segment, Expenditure, Addition to Long-Lived Assets									1,383	1,211
Restructuring, Settlement and Impairment Provisions									(342)	(66)	(164)
Operating Segments [Member]
Segment Information
Revenues									93,511	101,160	84,869
Depreciation									786	761	772
Interest income									36	54	28
Equity in earnings of affiliates									556	831	594
Operating profit	1,253	1,446	1,542	1,628	1,575	1,562	1,831	1,514	5,869	6,482	4,749
Investments in and advances to affiliates	5,413				5,339				5,413	5,339
Assets	42,148				46,073				42,148	46,073
Segment, Expenditure, Addition to Long-Lived Assets									1,345	1,143
Intersegment Eliminations [Member]
Segment Information
Revenues	627	837	798	812	718	847	829	681	3,074	3,075
Corporate, Non-Segment [Member]
Segment Information
Depreciation									29	24	27
Interest income									(36)	54	52
Equity in earnings of affiliates									(5)	1	1
Operating profit									(1,606)	(1,316)	(1,325)
Investments in and advances to affiliates	87				128				87	128
Assets	3,782				3,132				3,782	3,132
Segment, Expenditure, Addition to Long-Lived Assets									37	53
Segment Reconciling Items [Member]
Segment Information
Gain (Loss) on Disposition of Other Assets									17	47	77
Restructuring, Settlement and Impairment Provisions									(361)	(147)	(213)
Ag Services and Oilseeds [Member]
Segment Information
Revenues									73,426	79,563	67,047
Ag Services and Oilseeds [Member] | Ag Services [Member]
Segment Information
Revenues									47,420	53,181	45,017
Ag Services and Oilseeds [Member] | Crushing [Member]
Segment Information
Revenues									14,020	13,139	11,368
Ag Services and Oilseeds [Member] | Refined Products and Other [Member]
Segment Information
Revenues									11,986	13,243	10,662
Ag Services and Oilseeds [Member] | Operating Segments [Member]
Segment Information
Depreciation									350	334	349
Asset Abandonments and Impairments									11	0	10
Interest income									54	52	27
Equity in earnings of affiliates									459	714	500
Operating profit	954	848	1,054	1,211	1,194	1,077	1,119	1,011	4,067	4,401	2,799
Investments in and advances to affiliates	4,888				4,863				4,888	4,863
Assets	25,473				28,657				25,473	28,657
Segment, Expenditure, Addition to Long-Lived Assets									732	568
Ag Services and Oilseeds [Member] | Operating Segments [Member] | Previously Reported
Segment Information
Operating profit									4,066	4,386	2,775
Ag Services and Oilseeds [Member] | Operating Segments [Member] | Intersegment pricing adjustments
Segment Information
Operating profit									1	15	24
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member]
Segment Information
Revenues	422	594	562	530	508	597	536	404	2,108	2,045	1,606
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member] | Previously Reported
Segment Information
Revenues									4,031	4,123	3,408
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member] | Intersegment pricing adjustments
Segment Information
Revenues									1	15	24
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member] | Intersegment classification adjustments
Segment Information
Revenues									(1,446)	(1,579)	(1,115)
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues									2,586	2,559	2,317
Ag Services and Oilseeds [Member] | Intersegment Eliminations [Member] | Additional intersegment classification adjustments
Segment Information
Revenues									(478)	(514)	(711)
Carbohydrate Solutions [Member]
Segment Information
Revenues									12,874	13,961	11,110
Carbohydrate Solutions [Member] | Starches and sweeteners [Member]
Segment Information
Revenues									9,885	10,251	7,611
Carbohydrate Solutions [Member] | Vantage Corn Processors
Segment Information
Revenues									2,989	3,710	3,499
Carbohydrate Solutions [Member] | Operating Segments [Member]
Segment Information
Depreciation									304	307	322
Asset Abandonments and Impairments									32	14	13
Equity in earnings of affiliates									76	94	70
Operating profit	309	468	319	279	276	306	502	329	1,375	1,413	1,318
Investments in and advances to affiliates	380				365				380	365
Assets	6,334				6,801				6,334	6,801
Segment, Expenditure, Addition to Long-Lived Assets									351	261
Carbohydrate Solutions [Member] | Operating Segments [Member] | Previously Reported
Segment Information
Operating profit									1,345	1,360	1,283
Carbohydrate Solutions [Member] | Operating Segments [Member] | Intersegment pricing adjustments
Segment Information
Operating profit									30	53	35
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member]
Segment Information
Revenues	192	232	224	270	196	233	272	267	918	968	955
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member] | Previously Reported
Segment Information
Revenues									1,635	2,375	1,562
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member] | Intersegment pricing adjustments
Segment Information
Revenues									30	53	35
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member] | Intersegment classification adjustments
Segment Information
Revenues									(11)	(487)	(295)
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues									1,654	1,941	1,302
Carbohydrate Solutions [Member] | Intersegment Eliminations [Member] | Additional intersegment classification adjustments
Segment Information
Revenues									(736)	(973)	(347)
Nutrition [Member]
Segment Information
Revenues									7,211	7,636	6,712
Nutrition [Member] | Human Nutrition
Segment Information
Revenues									3,634	3,769	3,189
Nutrition [Member] | Animal Nutrition [Member]
Segment Information
Revenues									3,577	3,867	3,523
Nutrition [Member] | Operating Segments [Member]
Segment Information
Depreciation									132	120	101
Asset Abandonments and Impairments									65	21	50
Interest income									(18)	2	1
Equity in earnings of affiliates									21	23	24
Operating profit	(10)	130	169	138	105	179	210	174	427	668	632
Investments in and advances to affiliates	145				111				145	111
Assets	10,341				10,615				10,341	10,615
Segment, Expenditure, Addition to Long-Lived Assets									262	314
Nutrition [Member] | Operating Segments [Member] | Previously Reported
Segment Information
Operating profit									458	736	691
Nutrition [Member] | Operating Segments [Member] | Intersegment pricing adjustments
Segment Information
Operating profit									(31)	(68)	(59)
Nutrition [Member] | Intersegment Eliminations [Member]
Segment Information
Revenues	13	$ 11	$ 12	$ 12	14	$ 17	$ 21	$ 10	48	62	48
Nutrition [Member] | Intersegment Eliminations [Member] | Previously Reported
Segment Information
Revenues									255	200	221
Nutrition [Member] | Intersegment Eliminations [Member] | Intersegment pricing adjustments
Segment Information
Revenues									0	0	0
Nutrition [Member] | Intersegment Eliminations [Member] | Intersegment classification adjustments
Segment Information
Revenues									(141)	(15)	(68)
Nutrition [Member] | Intersegment Eliminations [Member] | Intersegment revenues, as previously reported
Segment Information
Revenues									114	185	153
Nutrition [Member] | Intersegment Eliminations [Member] | Additional intersegment classification adjustments
Segment Information
Revenues									(66)	(123)	(105)
Other Segments [Member]
Segment Information
Revenues										396	380
Other Segments [Member] | Operating Segments [Member]
Segment Information
Revenues									424	396	380
Depreciation									10	9	8
Interest income									499	185	16
Operating profit									375	167	$ 25
Assets	$ 8,701				$ 10,569				8,701	10,569
Segment, Expenditure, Addition to Long-Lived Assets									$ 1	$ 15