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, 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)				(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
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)	1,539						1,525
Other comprehensive (loss) income	(325)				(325)		(325)
Ending Balance at Jun. 30, 2022	26,071	7	27,795	1,252	(3,223)	240	24,691	239	0	24,235	3,439	(3,223)	1
Beginning 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
Net income (loss)	972			969		3	965				965
Other comprehensive (loss) income	(402)				(402)		(402)					(402)
Common Dividends	(101)			101
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	22		22				22			22
Share-based compensation	12		13	(1)			12			13	(1)
Repurchase of common stock	(365)			(365)
Other-net	(3)					(3)	(2)			(2)
Ending Balance at Jun. 30, 2022	26,071	7	27,795	1,252	(3,223)	240	24,691	239	0	24,235	3,439	(3,223)	1
Beginning Balance at Dec. 31, 2022	25,541	7	27,851	250	(2,806)	239	24,749	239	0	24,284	3,031	(2,806)	1
Net income (loss)	599			595		4	589				588		1
Other comprehensive (loss) income	67				67		67					67
Common Dividends	(107)			107
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	7		7				7			7
Share-based compensation	(14)		(14)				(14)			(14)
Repurchase of common stock	(252)			(252)
Other-net	(2)			1		(3)	(4)			(2)	(2)
Ending Balance at Mar. 31, 2023	25,839	7	27,844	487	(2,739)	240	25,391	239	0	24,275	3,614	(2,739)	2
Beginning Balance at Dec. 31, 2022	25,541	7	27,851	250	(2,806)	239	24,749	239	0	24,284	3,031	(2,806)	1
Net income (loss)	1,316						1,301
Other comprehensive (loss) income	129				129		129
Ending Balance at Jun. 30, 2023	26,461	7	27,877	1,013	(2,677)	241	26,191	239	0	24,306	4,321	(2,677)	2
Beginning Balance at Mar. 31, 2023	25,839	7	27,844	487	(2,739)	240	25,391	239	0	24,275	3,614	(2,739)	2
Net income (loss)	717			714		3	712				711		1
Other comprehensive (loss) income	62				62		62					62
Common Dividends	(107)			107
Dividends, Preferred Stock							(2)				(2)
Issuance of Corteva Stock	19		19				19			19
Share-based compensation	13		14	(1)			13			14	(1)
Repurchase of common stock	(81)			(81)
Other-net	(1)			1		(2)	(4)			(2)	(1)		(1)
Ending Balance at Jun. 30, 2023	$ 26,461	$ 7	$ 27,877	$ 1,013	$ (2,677)	$ 241	$ 26,191	$ 239	$ 0	$ 24,306	$ 4,321	$ (2,677)	$ 2