Asset Impairment, Exit, and Restructuring Costs - Asset Impairment Charges and Exit Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Feb. 04, 2025
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	$ 38	$ 15
Impairment charge - other long-lived assets	0	3
Total asset impairment, exit, and restructuring costs	38	18
Expected cost savings			$ 500
Nutrition
Schedule of Equity Method Investments [Line Items]
Impairment charge - other long-lived assets		3
Operating Segments | Ag Services and Oilseeds Segment
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	23
Operating Segments | Carbohydrate Solutions Segment
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	5
Operating Segments | Nutrition
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	4	3
Corporate
Schedule of Equity Method Investments [Line Items]
Restructuring and exit costs	4	12
Total asset impairment, exit, and restructuring costs	$ 49	$ 6