Investments in and Advances to Affiliates - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) affiliate	Dec. 31, 2024 USD ($) affiliate	Dec. 31, 2023 USD ($)
Schedule Of Equity Method Investments [Line Items]
Loss from equity method investment	$ (648)	$ (621)	$ (551)
Revenues	80,269	85,530	93,935
Accounts receivable	3,021	3,708
Other assets, current	3,796	4,369
Affiliated Entity
Schedule Of Equity Method Investments [Line Items]
Revenues	6,000	6,700	7,000
Accounts receivable	$ 270	$ 342
Number of unconsolidated affiliates provided with credit facilities by the entity | affiliate	6
Amount of credit facility provided to unconsolidated affiliates	$ 128
Other assets, current	$ 4
Affiliated Entity | Minimum
Schedule Of Equity Method Investments [Line Items]
Interest rates ranging (in percentage)	3.50%
Affiliated Entity | Maximum
Schedule Of Equity Method Investments [Line Items]
Interest rates ranging (in percentage)	6.90%
Equity Method Investments
Schedule Of Equity Method Investments [Line Items]
Number of unconsolidated affiliates | affiliate	64	69
Undistributed earnings of unconsolidated affiliates	$ 6,300
Operating Segments
Schedule Of Equity Method Investments [Line Items]
Loss from equity method investment	(654)	$ (630)	(556)
Revenues	79,820	85,099	93,511
Operating Segments | Ag Services and Oilseeds
Schedule Of Equity Method Investments [Line Items]
Loss from equity method investment	(521)	(474)	(459)
Revenues	$ 61,571	$ 66,516	$ 73,426
Wilmar
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	22.50%	22.50%
Non cash gain on equity investments	$ 254
Carrying value	4,000
Market value	3,400
Equity method investment impairment		$ 461
Wilmar | Operating Segments | Ag Services and Oilseeds
Schedule Of Equity Method Investments [Line Items]
Loss from equity method investment	$ 163
Pacificor
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	32.20%
Olenex
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	37.50%
Hungrana
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
SoyVen
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Almidones Mexicanos
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Vimison S.A. de C.V.
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	45.30%
Aston Foods
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Edible Oils
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Stratas Foods
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
LSCP
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	22.10%
Red Star Yeast Company, LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	40.00%
Plainsman Company, LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	40.00%
Gradable, LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Terminal de Grãos Ponta da Montanha S.A.
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Dusial S.A.
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	42.80%
Vitafort ZRT
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	34.30%
Novial
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	26.20%
ADM Matsutani LLC
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Matsutani Singapore Pte. Ltd.
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	50.00%
Wilmar | Adani Wilmar Limited
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	57.00%
Additional interests purchased	13.00%