Segment and Geographic Information - Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Information
Revenues	$ 80,269	$ 85,530	$ 93,935
Selling, general, and administrative expenses	3,609	3,706	3,456
Asset impairment, restructuring, and net settlement contingencies	(473)	(545)	(342)
ADM's share of equity method investment non-recurring (gains) and charges, net	648	621	551
Earnings Before Income Taxes	1,255	2,255	4,294
Depreciation expense	932	875	825
Amortization expense	249	266	234
Interest and investment income	118	562	499
Impairment charges	$ 179	43	201
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]	Asset impairment, restructuring, and net settlement contingencies
Wilmar
Segment Information
Equity method investment impairment		461
Eliminations
Segment Information
Revenues	$ 2,621	2,673	3,074
Eliminations | Ag Services and Oilseeds
Segment Information
Revenues	1,759	1,716	2,108
Eliminations | Carbohydrate Solutions
Segment Information
Revenues	805	889	918
Eliminations | Nutrition
Segment Information
Revenues	57	68	48
Operating Segments
Segment Information
Revenues	79,820	85,099	93,511
Segment operating profit	3,242	4,209	5,869
ADM's share of equity method investment non-recurring (gains) and charges, net	654	630	556
Depreciation expense	886	832	786
Amortization expense	173	178	161
Interest and investment income	(61)	84	36
Operating Segments | Ag Services and Oilseeds
Segment Information
Revenues	61,571	66,516	73,426
Cost of materials	56,128	60,378	65,751
Manufacturing costs	3,545	3,436	3,338
Selling, general, and administrative expenses	847	919	880
Other segment items	(563)	(664)	(610)
Segment operating profit	1,614	2,447	4,067
ADM's share of equity method investment non-recurring (gains) and charges, net	521	474	459
Depreciation expense	413	376	350
Amortization expense	12	14	17
Interest and investment income	54	84	54
Operating Segments | Ag Services and Oilseeds | Wilmar
Segment Information
ADM's share of equity method investment non-recurring (gains) and charges, net	(163)
Operating Segments | Carbohydrate Solutions
Segment Information
Revenues	10,737	11,234	12,874
Cost of materials	6,679	7,170	8,729
Manufacturing costs	2,657	2,592	2,550
Selling, general, and administrative expenses	327	326	323
Other segment items	(137)	(230)	(103)
Segment operating profit	1,211	1,376	1,375
ADM's share of equity method investment non-recurring (gains) and charges, net	104	127	76
Depreciation expense	315	305	304
Amortization expense	5	6	8
Operating Segments | Nutrition
Segment Information
Revenues	7,512	7,349	7,211
Cost of materials	4,644	4,651	4,608
Manufacturing costs	1,306	1,249	1,136
Selling, general, and administrative expenses	1,126	1,166	1,034
Other segment items	19	(103)	6
Segment operating profit	417	386	427
ADM's share of equity method investment non-recurring (gains) and charges, net	29	29	21
Depreciation expense	158	151	132
Amortization expense	156	158	136
Interest and investment income	(115)	0	(18)
Other Business
Segment Information
Revenues	449	431	424
Segment operating profit	298	247	375
Depreciation expense	9	9	10
Interest and investment income	395	463	499
Corporate
Segment Information
Segment operating profit	(2,049)	(1,721)	(1,606)
Gains on sales of assets and businesses	39	10	17
Asset impairment, restructuring, and net settlement contingencies	(435)	(490)	(361)
Gain on contract termination	69
ADM's share of equity method investment non-recurring (gains) and charges, net	(6)	(9)	(5)
Depreciation expense	37	34	29
Amortization expense	76	88	73
Interest and investment income	(216)	$ 15	$ (36)
Impairment charges	179
Equity method investment impairment	254
Corporate | Wilmar
Segment Information
ADM's share of equity method investment non-recurring (gains) and charges, net	$ 91