Segment Information - Reportable Segment Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Information
Revenues	$ 20,372,000,000	$ 19,937,000,000	$ 61,713,000,000	$ 64,032,000,000
Selling, general, and administrative expenses	873,000,000	905,000,000	2,716,000,000	2,763,000,000
Impairment, exit, restructuring charges, and settlement contingencies	(246,000,000)	(507,000,000)	(421,000,000)	(532,000,000)
Gain on contract termination			69,000,000
ADM's share of equity method investment penalty charge	(41,000,000)	134,000,000	237,000,000	498,000,000
Earnings Before Income Taxes	147,000,000	108,000,000	779,000,000	1,588,000,000
Impairment charge - goodwill and other intangible assets		43,000,000	173,000,000	43,000,000
Depreciation expense	234,000,000	221,000,000	686,000,000	654,000,000
Amortization expense	61,000,000	66,000,000	188,000,000	200,000,000
Interest and investment income (expense)	121,000,000	137,000,000	189,000,000	400,000,000
Equity in (losses) earnings of unconsolidated affiliates	(41,000,000)	134,000,000	237,000,000	498,000,000
Wilmar
Segment Information
ADM's share of equity method investment penalty charge	(163,000,000)
Equity method investment, other-than-temporary impairment		461,000,000	0	461,000,000
Equity in (losses) earnings of unconsolidated affiliates	(163,000,000)
Intersegment sales
Segment Information
Revenues	657,000,000	733,000,000	2,022,000,000	2,055,000,000
Intersegment sales | Ag Services and Oilseeds
Segment Information
Revenues	418,000,000	463,000,000	1,345,000,000	1,320,000,000
Intersegment sales | Carbohydrate Solutions
Segment Information
Revenues	223,000,000	247,000,000	629,000,000	680,000,000
Intersegment sales | Nutrition
Segment Information
Revenues	16,000,000	23,000,000	48,000,000	55,000,000
Operating Segments
Segment Information
Revenues	20,263,000,000	19,828,000,000	61,379,000,000	63,701,000,000
Segment operating profit	845,000,000	1,037,000,000	2,422,000,000	3,158,000,000
ADM's share of equity method investment penalty charge	(41,000,000)	135,000,000	240,000,000	507,000,000
Depreciation expense	222,000,000	211,000,000	650,000,000	622,000,000
Amortization expense	43,000,000	44,000,000	130,000,000	134,000,000
Interest and investment income (expense)	10,000,000	14,000,000	(48,000,000)	35,000,000
Equity in (losses) earnings of unconsolidated affiliates	(41,000,000)	135,000,000	240,000,000	507,000,000
Operating Segments | Ag Services and Oilseeds
Segment Information
Revenues	15,613,000,000	15,089,000,000	47,557,000,000	49,642,000,000
Cost of materials	14,238,000,000	13,680,000,000	43,518,000,000	45,103,000,000
Manufacturing costs	879,000,000	853,000,000	2,626,000,000	2,529,000,000
Selling, general, and administrative expenses	216,000,000	216,000,000	631,000,000	677,000,000
Other segment items	(99,000,000)	(140,000,000)	(388,000,000)	(470,000,000)
Segment operating profit	379,000,000	480,000,000	1,170,000,000	1,803,000,000
ADM's share of equity method investment penalty charge	(77,000,000)	89,000,000	142,000,000	387,000,000
Depreciation expense	105,000,000	94,000,000	308,000,000	280,000,000
Amortization expense	3,000,000	3,000,000	9,000,000	10,000,000
Interest and investment income (expense)	10,000,000	14,000,000	40,000,000	35,000,000
Equity in (losses) earnings of unconsolidated affiliates	(77,000,000)	89,000,000	142,000,000	387,000,000
Operating Segments | Carbohydrate Solutions
Segment Information
Revenues	2,734,000,000	2,908,000,000	8,096,000,000	8,484,000,000
Cost of materials	1,700,000,000	1,815,000,000	5,046,000,000	5,408,000,000
Manufacturing costs	652,000,000	660,000,000	1,977,000,000	1,940,000,000
Selling, general, and administrative expenses	80,000,000	73,000,000	245,000,000	243,000,000
Other segment items	(34,000,000)	(92,000,000)	(84,000,000)	(164,000,000)
Segment operating profit	336,000,000	452,000,000	912,000,000	1,057,000,000
ADM's share of equity method investment penalty charge	27,000,000	37,000,000	77,000,000	99,000,000
Depreciation expense	75,000,000	77,000,000	225,000,000	229,000,000
Amortization expense	1,000,000	1,000,000	4,000,000	4,000,000
Equity in (losses) earnings of unconsolidated affiliates	27,000,000	37,000,000	77,000,000	99,000,000
Operating Segments | Nutrition
Segment Information
Revenues	1,916,000,000	1,831,000,000	5,726,000,000	5,575,000,000
Cost of materials	1,181,000,000	1,160,000,000	3,535,000,000	3,520,000,000
Manufacturing costs	332,000,000	315,000,000	977,000,000	925,000,000
Selling, general, and administrative expenses	277,000,000	288,000,000	839,000,000	877,000,000
Other segment items	(4,000,000)	(37,000,000)	35,000,000	(45,000,000)
Segment operating profit	130,000,000	105,000,000	340,000,000	298,000,000
ADM's share of equity method investment penalty charge	9,000,000	9,000,000	21,000,000	21,000,000
Impairment charge - goodwill and other intangible assets		43,000,000		43,000,000
Depreciation expense	42,000,000	40,000,000	117,000,000	113,000,000
Amortization expense	39,000,000	40,000,000	117,000,000	120,000,000
Interest and investment income (expense)	0	0	(88,000,000)	0
Equity in (losses) earnings of unconsolidated affiliates	9,000,000	9,000,000	21,000,000	21,000,000
Other Business
Segment Information
Revenues	109,000,000	109,000,000	334,000,000	331,000,000
Segment operating profit	55,000,000	(17,000,000)	245,000,000	200,000,000
Depreciation expense	2,000,000	2,000,000	7,000,000	7,000,000
Interest and investment income (expense)	109,000,000	115,000,000	306,000,000	357,000,000
Corporate
Segment Information
Segment operating profit	(532,000,000)	(409,000,000)	(1,472,000,000)	(1,254,000,000)
Gains on sales of assets and businesses	31,000,000	1,000,000	39,000,000	1,000,000
Impairment, exit, restructuring charges, and settlement contingencies	(89,000,000)	(504,000,000)	(361,000,000)	(517,000,000)
ADM's share of equity method investment penalty charge	0	(1,000,000)	(3,000,000)	(9,000,000)
Impairment charge - goodwill and other intangible assets	173,000,000		173,000,000
Depreciation expense	10,000,000	8,000,000	29,000,000	25,000,000
Amortization expense	18,000,000	22,000,000	58,000,000	66,000,000
Interest and investment income (expense)	2,000,000	8,000,000	(69,000,000)	8,000,000
Equity in (losses) earnings of unconsolidated affiliates	0	$ (1,000,000)	(3,000,000)	$ (9,000,000)
Corporate | Wilmar
Segment Information
ADM's share of equity method investment penalty charge	(163,000,000)		(163,000,000)
Equity in (losses) earnings of unconsolidated affiliates	$ (163,000,000)		$ (163,000,000)