Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	$ 24,373	$ 25,691	$ 27,606
Topic 815 Revenue	61,157	68,244	73,950
Revenues	85,530	93,935	101,556
Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	23,942	25,267	27,210
Topic 815 Revenue	61,157	68,244	73,950
Revenues	85,099	93,511	101,160
Other Business
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	431	424	396
Topic 815 Revenue	0	0	0
Revenues	431	424	396
Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	7,611	7,636	8,168
Topic 815 Revenue	58,905	65,790	71,395
Revenues	66,516	73,426	79,563
Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	8,982	10,420	11,406
Topic 815 Revenue	2,252	2,454	2,555
Revenues	11,234	12,874	13,961
Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	7,349	7,211	7,636
Topic 815 Revenue	0	0	0
Revenues	7,349	7,211	7,636
Point in Time
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	23,450	24,930	26,788
Point in Time | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	23,019	24,506	26,392
Point in Time | Other Business
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	431	424	396
Point in Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	6,688	6,875	7,350
Point in Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	8,982	10,420	11,406
Point in Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	7,349	7,211	7,636
Over Time
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	923	761	818
Over Time | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	923	761	818
Over Time | Other Business
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Over Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	923	761	818
Over Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Over Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Ag Services | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	4,702	4,871	4,871
Topic 815 Revenue	39,381	42,549	48,310
Revenues	44,083	47,420	53,181
Ag Services | Point in Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	3,779	4,110	4,053
Ag Services | Over Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	923	761	818
Crushing | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	462	470	573
Topic 815 Revenue	11,374	13,550	12,566
Revenues	11,836	14,020	13,139
Crushing | Point in Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	462	470	573
Crushing | Over Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Refined Products and Other | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	2,447	2,295	2,724
Topic 815 Revenue	8,150	9,691	10,519
Revenues	10,597	11,986	13,243
Refined Products and Other | Point in Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	2,447	2,295	2,724
Refined Products and Other | Over Time | Ag Services and Oilseeds | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Starches and Sweeteners | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	6,335	7,431	7,696
Topic 815 Revenue	2,252	2,454	2,555
Revenues	8,587	9,885	10,251
Starches and Sweeteners | Point in Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	6,335	7,431	7,696
Starches and Sweeteners | Over Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Vantage Corn Processors | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	2,647	2,989	3,710
Topic 815 Revenue	0	0	0
Revenues	2,647	2,989	3,710
Vantage Corn Processors | Point in Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	2,647	2,989	3,710
Vantage Corn Processors | Over Time | Carbohydrate Solutions | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Human Nutrition | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	3,944	3,634	3,769
Topic 815 Revenue	0	0	0
Revenues	3,944	3,634	3,769
Human Nutrition | Point in Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	3,944	3,634	3,769
Human Nutrition | Over Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	0	0	0
Animal Nutrition | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	3,405	3,577	3,867
Topic 815 Revenue	0	0	0
Revenues	3,405	3,577	3,867
Animal Nutrition | Point in Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	3,405	3,577	3,867
Animal Nutrition | Over Time | Nutrition | Operating Segments
Revenue from Contract with Customer [Abstract]
Topic 606 Revenue	$ 0	$ 0	$ 0