| Document and Entity Information | Jan. 21, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001755672 |
| Document Type | 8-K |
| Document Period End Date | Jan. 21, 2021 |
| Entity Registrant Name | Corteva, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-38710 |
| Entity Tax Identification Number | 82-4979096 |
| Entity Address, Address Line One | 974 Centre Road |
| Entity Address, Address Line Two | Building 735 |
| Entity Address, City or Town | Wilmington |
| Entity Address, State or Province | DE |
| Entity Address, Postal Zip Code | 19805 |
| City Area Code | (302) |
| Local Phone Number | 485-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.01 per share |
| Trading Symbol | CTVA |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
