Consolidated Balance Sheets - Share Details (Parentheticals) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Common Stock, Shares Authorized	1,666,667,000	1,666,667,000	1,666,667,000	1,666,667,000	1,666,667,000
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
Corteva [Member]
Common Stock, Shares, Outstanding	676,755,000		676,755,000
Common Stock, Par Value	$ 0.01		$ 0.01
EIDP
Common Stock, Shares Authorized	1,800,000,000	1,800,000,000	1,800,000,000	1,800,000,000	1,800,000,000
Common Stock, Shares, Outstanding	200	200	200	200	200
Preferred Stock, Shares Authorized	23,000,000	23,000,000	23,000,000	23,000,000	23,000,000
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
Preferred Stock, Shares Issued	1,673,000	1,673,000	1,673,000	1,673,000	1,673,000
Preferred Stock, Redemption Amount	$ 120	$ 120	$ 120	$ 120	$ 120
EIDP | $3.50 Series Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 3.50	$ 3.50	$ 3.50	$ 3.50	$ 3.50
Preferred Stock, Shares Issued	700,000	700,000	700,000	700,000	700,000
Preferred Stock, Redemption Amount	$ 102	$ 102	$ 102	$ 102	$ 102