Consolidated Balance Sheets - Share Details (Parentheticals) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Common Stock, Par Value	$ 0.01	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,666,667,000	1,666,667,000	1,666,667,000
Corteva [Member]
Common Stock, Par Value	$ 0.01
Common Stock, Shares, Issued	670,044,000	683,026,000	672,163,000
EIDP
Common Stock, Par Value	$ 0.30	$ 0.30	$ 0.30
Common Stock, Shares Authorized	1,800,000,000	1,800,000,000	1,800,000,000
Common Stock, Shares, Issued	200	200	200
EIDP | $4.50 Series Preferred Stock [Member]
Preferred Stock, Shares Authorized	23,000,000	23,000,000	23,000,000
Preferred Stock, Shares Issued	1,673,000	1,673,000	1,673,000
Preferred Stock, Redemption Amount	$ 120	$ 120	$ 120
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 4.50	$ 4.50	$ 4.50
EIDP | $3.50 Series Preferred Stock [Member]
Preferred Stock, Shares Authorized	23,000,000	23,000,000	23,000,000
Preferred Stock, Shares Issued	700,000	700,000	700,000
Preferred Stock, Redemption Amount	$ 102	$ 102	$ 102
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 3.50	$ 3.50	$ 3.50