Supplementary Information Foreign Currency Exchange Gain (Loss) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net	[1]	$ (59)	$ (36)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		7	11
Foreign Currency Transaction (Loss) Gain After Tax		(52)	(25)
EID [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Foreign Currency Transaction (Loss) Gain After Tax		1	0
Corteva [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Foreign Currency Transaction (Loss) Gain After Tax		(51)	(25)
Subsidiary Monetary Position
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net		23	(30)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		(10)	9
Foreign Currency Transaction (Loss) Gain After Tax		13	(21)
Hedging Program [Member]
Foreign Currency Exchange Gain (Loss) [Line Items]
Pre-tax exchange (losses) gains - net		(82)	(6)
Foreign Currency Transaction (Loss) Gain Tax (Expense) Benefit		17	2
Foreign Currency Transaction (Loss) Gain After Tax		$ (65)	$ (4)

[1] Includes net pre-tax exchange gains (losses) of $(10) million and $(21) million associated with the devaluation of the Argentine peso for the three months ended March 31, 2024, and 2023, respectively.