Asset Impairment, Exit, and Restructuring Costs - Asset Impairment Charges and Exit Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Feb. 04, 2025
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	$ 126	$ 0	$ 164	$ 15
Impairment charge - other long-lived assets	11	7	11	10
Total asset impairment, exit, and restructuring costs	137	7	175	25
Expected cost savings					$ 500
Operating Segments | Nutrition
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	119		123	3
Impairment charge - other long-lived assets	11	7	11	10
Operating Segments | Ag Services and Oilseeds Segment
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	4		27
Operating Segments | Carbohydrate Solutions Segment
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs			5
Corporate
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	3		7	12
Total asset impairment, exit, and restructuring costs	$ 224	$ 7	$ 273	$ 13