Subsequent Events (Notes)	12 Months Ended
	Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events [Text Block]	SUBSEQUENT EVENTS In February 2022, the company entered into a new committed receivable repurchase facility of up to $500 million (the "2022 Repurchase Facility"), which expires in December 2022. Under the 2022 Repurchase Facility, Corteva may sell a portfolio of available and eligible outstanding customer notes receivables to participating institutions and simultaneously agree to repurchase at a future date. The 2022 Repurchase Facility is considered a secured borrowing with the customer notes receivables inclusive of those that are sold and repurchased, equal to 105 percent of the outstanding amounts borrowed utilized as collateral. Borrowings under the 2022 Repurchase Facility will have an interest rate equal to the Adjusted Term Secured Overnight Financing Rate ("SOFR") plus a margin of 0.75 percent.