Asset Impairment, Exit, and Restructuring Costs - Asset Impairment Charges and Exit Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Feb. 04, 2025
Schedule Of Equity Method Investments [Line Items]
Restructuring charges	$ 283	$ 26	$ 33
Impairment charge - goodwill and other intangible assets	179	43	201
Impairment charge - other long-lived assets	11	476	108
Total asset impairment, exit, and restructuring costs	473	545	342
Expected cost savings				$ 500
Impairments	179	$ 43
Goodwill impairment charge			$ 137
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]			Total asset impairment, exit, and restructuring costs
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Total asset impairment, exit, and restructuring costs
Wilmar
Schedule Of Equity Method Investments [Line Items]
Equity method investment impairment		$ 461
Nutrition
Schedule Of Equity Method Investments [Line Items]
Impairment charge - other long-lived assets			$ 65
Impairment of intangible assets			64
Ag Services and Oilseeds
Schedule Of Equity Method Investments [Line Items]
Impairment charge - other long-lived assets			10
Carbohydrate Solutions
Schedule Of Equity Method Investments [Line Items]
Impairment charge - other long-lived assets			33
Operating Segments | Nutrition
Schedule Of Equity Method Investments [Line Items]
Restructuring charges	207	3	18
Operating Segments | Nutrition | Wilmar
Schedule Of Equity Method Investments [Line Items]
Impairment charge - other long-lived assets	11
Operating Segments | Ag Services and Oilseeds
Schedule Of Equity Method Investments [Line Items]
Restructuring charges	46		5
Operating Segments | Carbohydrate Solutions
Schedule Of Equity Method Investments [Line Items]
Restructuring charges	8		4
Corporate
Schedule Of Equity Method Investments [Line Items]
Restructuring charges	22	23	6
Impairment charge - goodwill and other intangible assets	179
Total asset impairment, exit, and restructuring costs	435	$ 490	$ 361
Equity method investment impairment	$ 254