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, 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
Derivative, Notional Amount	(2,889)
Derivative, Notional Amount	(1,600)
Beginning Balance at Dec. 31, 2023	25,279	7	27,748	(41)	(2,677)	242	25,660	239	0	24,349	3,747	(2,677)	2
Net income (loss)	423			419		4	428				426		(2)
Other comprehensive (loss) income	(333)				(333)		(333)					(333)
Common Dividends	(112)		(112)
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	8		8				8			8
Share-based compensation	2		3	(1)			2			3	(1)
Repurchase of common stock	(252)		(178)	(74)
Other-net	(7)		(1)	(1)		(5)	(1)						(1)
Ending Balance at Mar. 31, 2024	25,008	7	27,468	302	(3,010)	241	25,761	239	0	24,360	4,169	(3,010)	3
Beginning Balance at Dec. 31, 2023	25,279	7	27,748	(41)	(2,677)	242	25,660	239	0	24,349	3,747	(2,677)	2
Net income (loss)	1,479						1,494
Other comprehensive (loss) income	(647)				(647)		(647)
Ending Balance at Jun. 30, 2024	25,421	7	27,504	992	(3,324)	242	26,550	239	0	24,399	5,233	(3,324)	3
Beginning Balance at Mar. 31, 2024	25,008	7	27,468	302	(3,010)	241	25,761	239	0	24,360	4,169	(3,010)	3
Net income (loss)	1,056			1,053		(3)	1,066				1,066		0
Other comprehensive (loss) income	(314)				(314)		(314)					(314)
Common Dividends	(111)			(111)
Dividends, Preferred Stock							(2)				(2)
Issuance of Corteva Stock	20		20				20			20
Share-based compensation	15		15				15			15
Repurchase of common stock	(252)			(252)
Other-net	(1)		1			(2)	4			4			0
Ending Balance at Jun. 30, 2024	25,421	$ 7	$ 27,504	$ 992	$ (3,324)	$ 242	$ 26,550	$ 239	$ 0	$ 24,399	$ 5,233	$ (3,324)	$ 3
Derivative, Notional Amount	$ (979)