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EID - Basis of Presentation Narrative (Details) - $ / shares	3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Jun. 01, 2019
Common Stock, Shares, Outstanding				689,170,000				689,170,000	685,595,000
Common Stock, Par Value	$ 0.01			$ 0.01			$ 0.01	$ 0.01	$ 0.01
EIDP
Common Stock, Shares, Outstanding	200			200			200	200	200
Common Stock, Par Value	$ 0.30			$ 0.30			$ 0.30	$ 0.30	$ 0.30
EIDP | $4.50 Series Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	4.50	$ 4.50	$ 4.50	4.50	$ 4.50	$ 4.50	4.50	4.50	4.50
EIDP | $3.50 Series Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50
Corteva [Member]
Common Stock, Shares, Outstanding	676,755,000						676,755,000
Common Stock, Par Value	$ 0.01						$ 0.01			$ 0.01
Corteva [Member] | EIDP
Ownership of outstanding common shares in EIDP							100.00%

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