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]	EIDP	EIDP Preferred Stock [Member]	EIDP Common Stock [Member]	EIDP Additional Paid-in Capital [Member]	EIDP Retained Earnings [Member]	EIDP Accumulated Other Comp (Loss) Income	EIDP 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
Share-based compensation	(14)		(14)				(14)			(14)
Common Dividends	(107)			(107)
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	7		7				7			7
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
Common Stock, Dividends, Per Share, Declared	$ 0.15
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)	998						981
Other comprehensive (loss) income	(195)				(195)		(195)
Ending Balance at Sep. 30, 2023	25,467	7	27,895	325	(3,001)	241	25,558	239	0	24,323	3,995	(3,001)	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
Share-based compensation	13		14	(1)			13			14	(1)
Common Dividends	(107)			(107)
Dividends, Preferred Stock							(2)				(2)
Issuance of Corteva Stock	19		19				19			19
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
Common Stock, Dividends, Per Share, Declared	$ 0.15
Net income (loss)	$ (318)			(321)		3	(320)				(320)
Other comprehensive (loss) income	(324)				(324)		(324)					(324)
Share-based compensation	15		16	(1)			15			16	(1)
Common Dividends	(113)			(113)
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	2		2				2			2
Repurchase of common stock	(252)			(252)
Other-net	(4)			(1)		(3)	(3)			(1)	(2)
Ending Balance at Sep. 30, 2023	$ 25,467	7	27,895	325	(3,001)	241	25,558	239	0	24,323	3,995	(3,001)	2
Common Stock, Dividends, Per Share, Declared	$ 0.16
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)
Share-based compensation	2		3	(1)			2			3	(1)
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	(112)		(112)
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	8		8				8			8
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
Common Stock, Dividends, Per Share, Declared	$ 0.16
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)	958						987
Other comprehensive (loss) income	(209)				(209)		(209)
Ending Balance at Sep. 30, 2024	24,979	7	27,518	98	(2,886)	242	26,495	239	0	24,417	4,722	(2,886)	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)
Share-based compensation	15		15				15			15
Common Dividends	(111)			(111)
Dividends, Preferred Stock											(2)
Issuance of Corteva Stock	20		20				20			20
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
Common Stock, Dividends, Per Share, Declared	$ 0.16
Net income (loss)	$ (521)			(524)		3	(507)				(508)		(1)
Other comprehensive (loss) income	438				438		438					438
Share-based compensation	13		13				13			13	0
Common Dividends	(117)			(117)
Dividends, Preferred Stock							(3)				(3)
Issuance of Corteva Stock	2		2				2			2
Repurchase of common stock	(253)			(253)
Other-net	(4)		(1)			(3)	2			3	0		(1)
Ending Balance at Sep. 30, 2024	$ 24,979	$ 7	$ 27,518	$ 98	$ (2,886)	$ 242	$ 26,495	$ 239	$ 0	$ 24,417	$ 4,722	$ (2,886)	$ 3
Common Stock, Dividends, Per Share, Declared	$ 0.17