Supplementary Information Foreign Currency Exchange Gain (Loss) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net	[1]	$ (25)	$ (78)	$ (52)	$ (137)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		(11)	30	(14)	37
Foreign Currency Transaction (Loss) Gain After Tax		(36)	(48)	(66)	(100)
Noncontrolling Interest [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Foreign Currency Transaction (Loss) Gain After Tax		0	0	0	1
Corteva [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Foreign Currency Transaction (Loss) Gain After Tax		(36)	(48)	(66)	(99)
Subsidiary Monetary Position
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net		(154)	(66)	(201)	(43)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		14	28	13	18
Foreign Currency Transaction (Loss) Gain After Tax		(140)	(38)	(188)	(25)
Hedging Program [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net		129	(12)	149	(94)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		(25)	2	(27)	19
Foreign Currency Transaction (Loss) Gain After Tax		$ 104	$ (10)	$ 122	$ (75)

[1] Includes net pre-tax exchange gains (losses) of $(11) million associated with impacts from the devaluation of the Argentine Peso for both the three and six months ended June 30, 2025, and $(18) million and $(28) million for the three and six months ended June 30, 2024, respectively.