Segment Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Information
Revenues	$ 25,190	$ 27,284	$ 49,262	$ 50,934
Earnings Before Income Taxes	1,132	1,519	2,529	2,790
Ag Services and Oilseeds [Member]
Segment Information
Revenues	19,844	21,429	38,423	39,682
Earnings Before Income Taxes	1,054	1,119	2,264	2,127
Ag Services [Member]
Segment Information
Revenues	13,366	14,333	25,061	26,180
Crushing [Member]
Segment Information
Revenues	3,480	3,362	7,163	6,584
Refined Products and Other [Member]
Segment Information
Revenues	2,998	3,734	6,199	6,918
Carbohydrate Solutions [Member]
Segment Information
Revenues	3,381	3,751	6,918	7,117
Earnings Before Income Taxes	303	473	576	790
Starches and sweeteners [Member]
Segment Information
Revenues	2,475	2,519	5,212	5,017
VCP [Member]
Segment Information
Revenues	906	1,232	1,706	2,100
Nutrition [Member]
Segment Information
Revenues	1,853	2,003	3,706	3,927
Earnings Before Income Taxes	185	239	330	428
Human Nutrition [Member]
Segment Information
Revenues	966	1,020	1,902	1,978
Animal Nutrition [Member]
Segment Information
Revenues	887	983	1,804	1,949
Other [Member]
Segment Information
Revenues	112	101	215	208
Earnings Before Income Taxes	86	18	183	60
Operating Segments [Member]
Segment Information
Earnings Before Income Taxes	1,525	1,840	3,244	3,379
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	20,864	22,468	40,778	41,600
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	3,829	4,500	8,095	8,680
Operating Segments [Member] | Nutrition [Member]
Segment Information
Revenues	1,926	2,055	3,870	4,021
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	112	101	215	208
Intersegment Elimination [Member]
Segment Information
Revenues	(1,541)	(1,840)	(3,696)	(3,575)
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	(1,020)	(1,039)	(2,355)	(1,918)
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	(448)	(749)	(1,177)	(1,563)
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	(73)	(52)	(164)	(94)
Corporate, Non-Segment [Member]
Segment Information
Earnings Before Income Taxes	(393)	(321)	(715)	(589)
Other (Income) Expense - Net [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	11	0	12	1
Asset impairment, restructuring, and settlement [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	$ (114)	$ (9)	$ (121)	$ (27)