Income Taxes Income Taxes - Deferred Tax Balances (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2025
Assets
Deferred Tax Assets, Property, Plant and Equipment		$ 0		$ 0
Total Operating Loss and Tax Credit Carryforwards		552		631	[1]
Deferred Tax Assets, Accrued Employee Benefits		671	[1]	678
Deferred Tax Assets, Other Accruals and Reversals		590		767
Deferred Tax Assets, Inventory		184		275
Deferred Tax Assets, Research and Development Capitalization		761		689
Deferred Tax Assets, Investments		69		53
Unrealized Exchange Gains / Losses		0		0
Deferred Tax Assets, Other		40		42
Deferred Tax Assets, Gross		2,867		3,135
Deferred Tax Assets, Valuation Allowance	[2]	(666)		(887)
Deferred Tax Assets, Net of Valuation Allowance		2,201		2,248
Deferred Tax Assets, Net				69
Liabilities
Deferred Tax Liabilities, Property		278		347
Deferred Tax Liabilities, Intangible Assets		1,950		1,828
Deferred Tax Liabilities, Unrealized Exchange Gains/Losses		50		4
Deferred Tax Liabilities, Other		0		0
Deferred Tax Liabilities, Gross		2,278		$ 2,179
Net Deferred Tax Liability		(77)
Seed [Member] | Continuing Operations [Member] | Brazil Valuation Allowance [Member]
Liabilities
Other Tax (Benefit) Expense		$ 120

[1] 1.    Primarily related to tax loss and credit carryforwards from operations in the United States, Argentina, Brazil, Switzerland, and Spain.

[2] 2.    During the year ended December 31, 2025, the company established a valuation allowance recorded against the net deferred tax asset position of a legal entity in Brazil (Crop Protection business) in the amount of $132 million. During the year ended December 31, 2024, the company established a valuation allowance against the net deferred tax asset position of a legal entity in Brazil (Seed business) in the amount of $120 million.