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 Due from Parent	EIDP Retained Earnings [Member]	EIDP Accumulated Other Comp (Loss) Income	EIDP Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2024	$ 24,030	$ 7	$ 27,196	$ 55	$ (3,469)	$ 241	$ 24,037	$ 239	$ 0	$ 24,464	$ (129)	$ 2,930	$ (3,469)	$ 2
Net income (loss)	656			652		4	656					655		1
Other comprehensive (loss) income	198				198		198						198
Due from Parent							129				129
Dividends, Preferred Stock							(3)					(3)
Share-based compensation	(2)		(2)				(2)			(2)
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	(116)		(116)
Issuance of Corteva Stock	35		35				35			35
Dividend to Parent							(513)					(513)
Repurchase of common stock	(270)		(150)	(120)
Other-net	(4)		(1)			(3)	1					1
Ending Balance at Mar. 31, 2025	$ 24,527	7	26,962	587	(3,271)	242	24,538	239	0	24,497	0	3,070	(3,271)	3
Common Stock, Dividends, Per Share, Declared	$ 0.17
Beginning Balance at Dec. 31, 2025	$ 24,386	7	27,001	(67)	(2,797)	242	24,262	239	0	24,610	0	2,207	(2,797)	3
Net income (loss)	723			720		3	723					722		1
Other comprehensive (loss) income	(143)				(143)		(143)						(143)
Dividends, Preferred Stock							(2)					(2)
Share-based compensation	(2)		(2)				(2)			(2)
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings	(121)		(121)
Issuance of Corteva Stock	17		17				17			17
Dividend to Parent							(627)					(627)
Repurchase of common stock	(250)		(36)	(214)
Other-net	(5)			(3)		(2)	(1)			(1)
Ending Balance at Mar. 31, 2026	$ 24,605	$ 7	$ 26,859	$ 436	$ (2,940)	$ 243	$ 24,227	$ 239	$ 0	$ 24,624	$ 0	$ 2,300	$ (2,940)	$ 4
Common Stock, Dividends, Per Share, Declared	$ 0.18