EID - Basis of Presentation (Notes)	9 Months Ended
Sep. 30, 2022
EID [Member]
Entity Information [Line Items]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	BASIS OF PRESENTATION Corteva, Inc. owns 100% of the outstanding common stock of EID. EID is a subsidiary of Corteva, Inc. and continues to be a reporting company, subject to the requirements of the Exchange Act. The primary differences between Corteva, Inc. and EID are outlined below: •Preferred Stock - EID has preferred stock outstanding to third parties which is accounted for as a non-controlling interest at the Corteva, Inc. level. Each share of EID Preferred Stock - $4.50 Series and EID Preferred Stock - $3.50 Series issued and outstanding at the effective date of the Corteva Distribution remains issued and outstanding as to EID and was unaffected by the Corteva Distribution. •Related Party Loan - EID engaged in a series of debt redemptions during the second quarter of 2019 that were partially funded through an intercompany loan from Corteva, Inc. This was eliminated in consolidation at the Corteva, Inc. level but remains on EID's consolidated financial statements at the standalone level (including the associated interest). •Capital Structure - At September 30, 2022, Corteva, Inc.'s capital structure consists of 716,225,000 issued shares of common stock, par value $0.01 per share. The accompanying footnotes relate to EID only, and not to Corteva, Inc., and are presented to show differences between EID and Corteva, Inc. For the footnotes listed below, refer to the following Corteva, Inc. footnotes: •Note 1 - Summary of Significant Accounting Policies - refer to page 10 of the Corteva, Inc. interim Consolidated Financial Statements •Note 2 - Recent Accounting Guidance - refer to page 10 of the Corteva, Inc. interim Consolidated Financial Statements •Note 3 - Revenue - refer to page 11 of the Corteva, Inc. interim Consolidated Financial Statements •Note 4 - Restructuring and Asset Related Charges - Net - refer to page 13 of the Corteva, Inc. interim Consolidated Financial Statements •Note 5 - Supplementary Information - refer to page 15 of the Corteva, Inc. interim Consolidated Financial Statements •Note 6 - Income Taxes - refer to page 17 of the Corteva, Inc. interim Consolidated Financial Statements •Note 7 - Earnings Per Share of Common Stock - Not applicable for EID •Note 8 - Accounts and Notes Receivable - Net - refer to page 19 of the Corteva, Inc. interim Consolidated Financial Statements •Note 9 - Inventories - refer to page 20 of the Corteva, Inc. interim Consolidated Financial Statements •Note 10 - Other Intangible Assets - refer to page 20 of the Corteva, Inc. interim Consolidated Financial Statements •Note 11 - Short-Term Borrowings, Long-Term Debt and Available Credit Facilities - refer to page 21 of the Corteva, Inc. interim Consolidated Financial Statements. In addition, EID has a related party loan payable to Corteva, Inc.; refer to EID Note 2 - Related Party Transactions, below •Note 12 - Commitments and Contingent Liabilities - refer to page 23 of the Corteva, Inc. interim Consolidated Financial Statements •Note 13 - Stockholders' Equity - refer to page 30 of the Corteva, Inc. interim Consolidated Financial Statements •Note 14 - Pension Plans and Other Post Employment Benefits - refer to page 33 of the Corteva, Inc. interim Consolidated Financial Statements •Note 15 - Financial Instruments - refer to page 33 of the Corteva, Inc. interim Consolidated Financial Statements •Note 16 - Fair Value Measurements - refer to page 39 of the Corteva, Inc. interim Consolidated Financial Statements •Note 17 - Segment Information - Differences exist between Corteva, Inc. and EID; refer to EID Note 3 - Segment Information, below •Note 18 - Subsequent Events - refer to page 43 of the Corteva, Inc. interim Consolidated Financial Statements

Corteva, Inc. owns 100% of the outstanding common stock of EID. EID is a subsidiary of Corteva, Inc. and continues to be a reporting company, subject to the requirements of the Exchange Act. The primary differences between Corteva, Inc. and EID are outlined below:

•Preferred Stock - EID has preferred stock outstanding to third parties which is accounted for as a non-controlling interest at the Corteva, Inc. level. Each share of EID Preferred Stock - $4.50 Series and EID Preferred Stock - $3.50 Series issued and outstanding at the effective date of the Corteva Distribution remains issued and outstanding as to EID and was unaffected by the Corteva Distribution.

•Related Party Loan - EID engaged in a series of debt redemptions during the second quarter of 2019 that were partially funded through an intercompany loan from Corteva, Inc. This was eliminated in consolidation at the Corteva, Inc. level but remains on EID's consolidated financial statements at the standalone level (including the associated interest).

•Capital Structure - At September 30, 2022, Corteva, Inc.'s capital structure consists of 716,225,000 issued shares of common stock, par value $0.01 per share.

The accompanying footnotes relate to EID only, and not to Corteva, Inc., and are presented to show differences between EID and Corteva, Inc.

•Note 1 - Summary of Significant Accounting Policies - refer to page 10 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 2 - Recent Accounting Guidance - refer to page 10 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 3 - Revenue - refer to page 11 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 4 - Restructuring and Asset Related Charges - Net - refer to page 13 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 5 - Supplementary Information - refer to page 15 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 6 - Income Taxes - refer to page 17 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 8 - Accounts and Notes Receivable - Net - refer to page 19 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 9 - Inventories - refer to page 20 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 10 - Other Intangible Assets - refer to page 20 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 11 - Short-Term Borrowings, Long-Term Debt and Available Credit Facilities - refer to page 21 of the Corteva, Inc. interim Consolidated Financial Statements. In addition, EID has a related party loan payable to Corteva, Inc.; refer to EID Note 2 - Related Party Transactions, below

•Note 12 - Commitments and Contingent Liabilities - refer to page 23 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 13 - Stockholders' Equity - refer to page 30 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 14 - Pension Plans and Other Post Employment Benefits - refer to page 33 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 15 - Financial Instruments - refer to page 33 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 16 - Fair Value Measurements - refer to page 39 of the Corteva, Inc. interim Consolidated Financial Statements

•Note 17 - Segment Information - Differences exist between Corteva, Inc. and EID; refer to EID Note 3 - Segment Information, below

•Note 18 - Subsequent Events - refer to page 43 of the Corteva, Inc. interim Consolidated Financial Statements