Revenues Revenues (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
Disaggregation of Revenue [Line Items]
Revenues	$ 22,978	$ 21,695	$ 25,190	$ 24,072	$ 25,939	$ 24,683	$ 27,284	$ 23,650	$ 93,935	$ 101,556	$ 85,249
Contract with Customer, Liability, Current	$ 626				$ 694				626	694
Contract with Customer, Liability, Revenue Recognized									469
Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									73,426	79,563	67,047
Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									12,874	13,961	11,110
Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,211	7,636	6,712
Other Segments [Member]
Disaggregation of Revenue [Line Items]
Revenues									424	396	380
Non MTM Products and Services [Member]
Disaggregation of Revenue [Line Items]
Revenues									25,691	27,606	22,793
Non MTM Products and Services [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,636	8,168	6,336
Non MTM Products and Services [Member] | Ag Services [Member]
Disaggregation of Revenue [Line Items]
Revenues									4,871	4,871	3,437
Non MTM Products and Services [Member] | Crushing [Member]
Disaggregation of Revenue [Line Items]
Revenues									470	573	441
Non MTM Products and Services [Member] | Refined Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues									2,295	2,724	2,458
Non MTM Products and Services [Member] | Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									10,420	11,406	9,365
Non MTM Products and Services [Member] | Starches and sweeteners [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,431	7,696	5,866
Non MTM Products and Services [Member] | Vantage Corn Processors
Disaggregation of Revenue [Line Items]
Revenues									2,989	3,710	3,499
Non MTM Products and Services [Member] | Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,211	7,636	6,712
Non MTM Products and Services [Member] | Human Nutrition
Disaggregation of Revenue [Line Items]
Revenues									3,634	3,769	3,189
Non MTM Products and Services [Member] | Animal Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									3,577	3,867	3,523
Non MTM Products and Services [Member] | Other Segments [Member]
Disaggregation of Revenue [Line Items]
Revenues									424	396	380
Non MTM Products and Services [Member] | Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenues									24,930	26,788	22,187
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									6,875	7,350	5,730
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Ag Services [Member]
Disaggregation of Revenue [Line Items]
Revenues									4,110	4,053	2,831
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Crushing [Member]
Disaggregation of Revenue [Line Items]
Revenues									470	573	441
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Refined Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues									2,295	2,724	2,458
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									10,420	11,406	9,365
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Starches and sweeteners [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,431	7,696	5,866
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Vantage Corn Processors
Disaggregation of Revenue [Line Items]
Revenues									2,989	3,710	3,499
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									7,211	7,636	6,712
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Human Nutrition
Disaggregation of Revenue [Line Items]
Revenues									3,634	3,769	3,189
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Animal Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									3,577	3,867	3,523
Non MTM Products and Services [Member] | Transferred at Point in Time [Member] | Other Segments [Member]
Disaggregation of Revenue [Line Items]
Revenues									424	396	380
Non MTM Products and Services [Member] | Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenues									761	818	606
Non MTM Products and Services [Member] | Transferred over Time [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									761	818	606
Non MTM Products and Services [Member] | Transferred over Time [Member] | Ag Services [Member]
Disaggregation of Revenue [Line Items]
Revenues									761	818	606
Mark-to-Market Products [Member]
Disaggregation of Revenue [Line Items]
Revenues									68,244	73,950	62,456
Mark-to-Market Products [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									65,790	71,395	60,711
Mark-to-Market Products [Member] | Ag Services [Member]
Disaggregation of Revenue [Line Items]
Revenues									42,549	48,310	41,580
Mark-to-Market Products [Member] | Crushing [Member]
Disaggregation of Revenue [Line Items]
Revenues									13,550	12,566	10,927
Mark-to-Market Products [Member] | Refined Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues									9,691	10,519	8,204
Mark-to-Market Products [Member] | Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									2,454	2,555	1,745
Mark-to-Market Products [Member] | Starches and sweeteners [Member]
Disaggregation of Revenue [Line Items]
Revenues									2,454	2,555	1,745
Ag Services [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									47,420	53,181	45,017
Crushing [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									14,020	13,139	11,368
Refined Products and Other [Member] | Ag Services and Oilseeds [Member]
Disaggregation of Revenue [Line Items]
Revenues									11,986	13,243	10,662
Starches and sweeteners [Member] | Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									9,885	10,251	7,611
Vantage Corn Processors | Carbohydrate Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues									2,989	3,710	3,499
Human Nutrition | Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									3,634	3,769	3,189
Animal Nutrition [Member] | Nutrition [Member]
Disaggregation of Revenue [Line Items]
Revenues									$ 3,577	$ 3,867	$ 3,523