Revenues (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 21,695	$ 24,683	$ 70,957	$ 75,617
Contract with Customer, Liability [Abstract]
Contract with Customer, Liability	411		411		$ 694
Change in Contract with Customer, Liability [Abstract]
Contract with Customer, Liability, Revenue Recognized	21		694
Ag Services and Oilseeds [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	16,479	19,141	54,902	58,823
Ag Services [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	10,198	12,537	35,259	38,717
Crushing [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	3,352	3,220	10,515	9,804
Refined Products and Other [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	2,929	3,384	9,128	10,302
Carbohydrate Solutions [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	3,325	3,581	10,243	10,698
Starches and sweeteners [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	2,448	2,680	7,660	7,697
VCP [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	877	901	2,583	3,001
Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,784	1,864	5,490	5,791
Human Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	900	906	2,802	2,884
Animal Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	884	958	2,688	2,907
Other [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	107	97	322	305
Non MTM Products and Services [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	6,398	7,095	19,873	21,145
Non MTM Products and Services [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	6,224	6,868	19,321	20,534
Non MTM Products and Services [Member] | Transferred over Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	174	227	552	611
Non MTM Products and Services [Member] | Ag Services and Oilseeds [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,799	2,239	5,691	6,235
Non MTM Products and Services [Member] | Ag Services and Oilseeds [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,625	2,012	5,139	5,624
Non MTM Products and Services [Member] | Ag Services and Oilseeds [Member] | Transferred over Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	174	227	552	611
Non MTM Products and Services [Member] | Ag Services [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,154	1,322	3,620	3,689
Non MTM Products and Services [Member] | Ag Services [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	980	1,095	3,068	3,078
Non MTM Products and Services [Member] | Ag Services [Member] | Transferred over Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	174	227	552	611
Non MTM Products and Services [Member] | Crushing [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	118	202	341	455
Non MTM Products and Services [Member] | Crushing [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	118	202	341	455
Non MTM Products and Services [Member] | Refined Products and Other [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	527	715	1,730	2,091
Non MTM Products and Services [Member] | Refined Products and Other [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	527	715	1,730	2,091
Non MTM Products and Services [Member] | Carbohydrate Solutions [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	2,708	2,895	8,370	8,814
Non MTM Products and Services [Member] | Carbohydrate Solutions [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	2,708	2,895	8,370	8,814
Non MTM Products and Services [Member] | Starches and sweeteners [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,831	1,994	5,787	5,813
Non MTM Products and Services [Member] | Starches and sweeteners [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,831	1,994	5,787	5,813
Non MTM Products and Services [Member] | VCP [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	877	901	2,583	3,001
Non MTM Products and Services [Member] | VCP [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	877	901	2,583	3,001
Non MTM Products and Services [Member] | Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,784	1,864	5,490	5,791
Non MTM Products and Services [Member] | Nutrition [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	1,784	1,864	5,490	5,791
Non MTM Products and Services [Member] | Human Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	900	906	2,802	2,884
Non MTM Products and Services [Member] | Human Nutrition [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	900	906	2,802	2,884
Non MTM Products and Services [Member] | Animal Nutrition [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	884	958	2,688	2,907
Non MTM Products and Services [Member] | Animal Nutrition [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	884	958	2,688	2,907
Non MTM Products and Services [Member] | Other [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	107	97	322	305
Non MTM Products and Services [Member] | Other [Member] | Transferred at Point in Time [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	107	97	322	305
Mark-to-Market Products [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	15,297	17,588	51,084	54,472
Mark-to-Market Products [Member] | Ag Services and Oilseeds [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	14,680	16,902	49,211	52,588
Mark-to-Market Products [Member] | Ag Services [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	9,044	11,215	31,639	35,028
Mark-to-Market Products [Member] | Crushing [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	3,234	3,018	10,174	9,349
Mark-to-Market Products [Member] | Refined Products and Other [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	2,402	2,669	7,398	8,211
Mark-to-Market Products [Member] | Carbohydrate Solutions [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	617	686	1,873	1,884
Mark-to-Market Products [Member] | Starches and sweeteners [Member]
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 617	$ 686	$ 1,873	$ 1,884