Statement of Stockholders Equity Statement - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comp (Loss) Income	Noncontrolling Interest [Member]	EID [Member]	EID [Member] Preferred Stock [Member]	EID [Member] Common Stock [Member]	EID [Member] Additional Paid-in Capital [Member]	EID [Member] Retained Earnings [Member]	EID [Member] Accumulated Other Comp (Loss) Income	EID [Member] Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2020	$ 25,063	$ 7	$ 27,707	$ 0	$ (2,890)	$ 239	$ 21,601	$ 239	$ 0	$ 24,049	$ 203	$ (2,890)	$ 0
Net income (loss)	603			600		3	592				591		1
Other comprehensive (loss) income	(477)				(477)		(477)					(477)
Common Dividends	(97)		(97)
Dividends, Preferred Stock							(2)
Issuance of Corteva Stock	38		38				38			38
Share-based compensation	0
Repurchase of common stock	(350)		(18)	(332)
Other-net	(2)					(2)	(4)			(4)
Ending Balance at Mar. 31, 2021	24,778	7	27,630	268	(3,367)	240	21,748	239	0	24,083	792	(3,367)	1
Beginning Balance at Dec. 31, 2021	25,623	7	27,751	524	(2,898)	239	23,459	239	0	24,196	1,922	(2,898)	0
Net income (loss)	567			564		3	560				559		1
Other comprehensive (loss) income	77				77		77					77
Common Dividends	(102)			(102)
Dividends, Preferred Stock							(2)				(2)
Issuance of Corteva Stock	40		40				40			40
Share-based compensation	(31)		(31)
Repurchase of common stock	(235)			(235)
Other-net	(3)			(1)		(2)	(4)			(3)	(1)
Ending Balance at Mar. 31, 2022	$ 25,936	$ 7	$ 27,760	$ 750	$ (2,821)	$ 240	$ 24,099	$ 239	$ 0	$ 24,202	$ 2,478	$ (2,821)	$ 1