Segment Information (Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Information
Revenues	$ (27,284)	$ (22,926)	$ (50,934)	$ (41,819)
Earnings Before Income Taxes	1,519	825	2,790	1,649
Ag Services and Oilseeds [Member]
Segment Information
Revenues	(21,429)	(18,271)	(39,682)	(33,278)
Earnings Before Income Taxes	1,119	570	2,127	1,347
Ag Services [Member]
Segment Information
Revenues	(14,333)	(12,815)	(26,180)	(22,961)
Crushing [Member]
Segment Information
Revenues	(3,362)	(2,827)	(6,584)	(5,569)
Refined Products and Other [Member]
Segment Information
Revenues	(3,734)	(2,629)	(6,918)	(4,748)
Carbohydrate Solutions [Member]
Segment Information
Revenues	(3,751)	(2,820)	(7,117)	(5,043)
Earnings Before Income Taxes	473	383	790	642
Starches and sweeteners [Member]
Segment Information
Revenues	(2,519)	(1,846)	(5,017)	(3,591)
VCP [Member]
Segment Information
Revenues	(1,232)	(974)	(2,100)	(1,452)
Nutrition [Member]
Segment Information
Revenues	(2,003)	(1,733)	(3,927)	(3,296)
Earnings Before Income Taxes	239	201	428	355
Human Nutrition [Member]
Segment Information
Revenues	(1,020)	(848)	(1,978)	(1,602)
Animal Nutrition [Member]
Segment Information
Revenues	(983)	(885)	(1,949)	(1,694)
Other [Member]
Segment Information
Revenues	(101)	(102)	(208)	(202)
Earnings Before Income Taxes	18	6	60	15
Operating Segments [Member]
Segment Information
Earnings Before Income Taxes	1,840	1,145	3,379	2,250
Operating Segments [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	(22,468)	(18,799)	(41,600)	(34,738)
Operating Segments [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	(4,500)	(3,271)	(8,680)	(5,905)
Operating Segments [Member] | Nutrition [Member]
Segment Information
Revenues	(2,055)	(1,793)	(4,021)	(3,417)
Operating Segments [Member] | Other [Member]
Segment Information
Revenues	(101)	(102)	(208)	(202)
Intersegment Elimination [Member]
Segment Information
Revenues	1,840	1,039	3,575	2,443
Intersegment Elimination [Member] | Ag Services and Oilseeds [Member]
Segment Information
Revenues	1,039	528	1,918	1,460
Intersegment Elimination [Member] | Carbohydrate Solutions [Member]
Segment Information
Revenues	749	451	1,563	862
Intersegment Elimination [Member] | Nutrition [Member]
Segment Information
Revenues	52	60	94	121
Corporate, Non-Segment [Member]
Segment Information
Earnings Before Income Taxes	(321)	(320)	(589)	(601)
Other (Income) Expense - Net [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	0	22	1	22
Asset impairment, restructuring, and settlement [Member] | Segment Reconciling Items [Member]
Segment Information
Earnings Before Income Taxes	$ (9)	$ (37)	$ (27)	$ (131)