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Background and Basis of Presentation (Notes) | 12 Months Ended
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Dec. 31, 2020
Intended Business Separations [Abstract] |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | BACKGROUND AND BASIS OF PRESENTATION Corteva, Inc. is a leading global provider of seed and crop protection solutions focused on the agriculture industry. The company intends to leverage its rich heritage of scientific achievement to advance its robust innovation pipeline and continue to shape the future of responsible agriculture. The company's broad portfolio of agriculture solutions fuels farmer productivity in approximately 140 countries. Corteva has two reportable segments: seed and crop protection. See Note 25 - Segment Information, to the Consolidated Financial Statements, for additional information on the company's reportable segments. Throughout this Annual Report on Form 10-K, except as otherwise noted by the context, the terms "Corteva" or "company" used herein mean Corteva, Inc. and its consolidated subsidiaries (including EID) and the term “EID” used herein means E. I. du Pont de Nemours and Company and its consolidated subsidiaries or E. I. du Pont de Nemours and Company excluding its consolidated subsidiaries, as the context may indicate. Additionally, on June 1, 2019, DowDuPont Inc. changed its registered name to DuPont de Nemours, Inc. (“DuPont”), for certain events prior to, or on, June 1, 2019, DuPont may be referred to as DowDuPont. Principles of Consolidation and Basis of Presentation On June 1, 2019, Corteva, Inc. became an independent, publicly traded company through the previously announced separation (the “Separation”) of the agriculture business of DuPont de Nemours, Inc. (formerly known as DowDuPont Inc.) (“DowDuPont” or “DuPont”). The separation was effectuated through a pro rata distribution (the “Corteva Distribution”) of all of the then-issued and outstanding shares of common stock, par value $0.01 per share, of Corteva, Inc., which was then a wholly-owned subsidiary of DowDuPont, to holders of record of DowDuPont common stock as of the close of business on May 24, 2019. Previously, DowDuPont was formed on December 9, 2015, to effect an all-stock merger of equals strategic combination between The Dow Chemical Company ("Historical Dow") and EID. On August 31, 2017 at 11:59 pm ET (the “Merger Effectiveness Time”) pursuant to the Agreement and Plan of Merger, dated as of December 11, 2015, as amended March 31, 2017 (the "Merger Agreement"), Historical Dow and EID each merged with wholly-owned subsidiaries of DowDuPont and became subsidiaries of DowDuPont (the “Merger”). Prior to the Merger, DowDuPont did not conduct any business activities other than those required for its formation and matters contemplated by the Merger Agreement. Subsequent to the Merger, Historical Dow and EID engaged in a series of internal reorganization and realignment steps to realign their businesses into three subgroups: agriculture, materials science and specialty products through a series of tax-efficient transactions (collectively, the "Business Separations”). Effective as of 5:00 pm ET on April 1, 2019, DowDuPont completed the previously announced separation of its materials science business into a separate and independent public company by way of a distribution of Dow Inc. (“Dow”) through a pro rata dividend in-kind of all of the then-issued and outstanding shares of Dow’s common stock, par value $0.01 per share, to holders of DowDuPont's common stock, as of the close of business on March 21, 2019 (the “Dow Distribution” and together with the Corteva Distribution, the “Distributions”). Prior to the Dow Distribution, Historical Dow conveyed or transferred the assets and liabilities aligned with Historical Dow’s agriculture business to separate legal entities (“Dow Ag Entities”) and the assets and liabilities associated with its specialty products business to separate legal entities (the “Dow SP Entities”). On April 1, 2019, Dow Ag Entities and the Dow SP Entities were transferred and conveyed to DowDuPont. In furtherance of the Business Separations, EID engaged in a series of internal reorganization and realignment steps (the “Internal Reorganization” and the "Business Realignment," respectively) to realign its businesses into three subgroups: agriculture, materials science and specialty products. As part of the Internal Reorganization: •the assets and liabilities aligned with EID’s materials science business, including EID’s ethylene and ethylene copolymers business, excluding its ethylene acrylic elastomers business, (“EID ECP”) were transferred or conveyed to separate legal entities (the “Materials Science Entities”) that were ultimately conveyed by DowDuPont to Dow; •the assets and liabilities aligned with the EID’s specialty products business were transferred or conveyed to separate legal entities (“EID Specialty Products Entities”); •on April 1, 2019, EID transferred and conveyed its Materials Science Entities to DowDuPont; •on May 1, 2019, EID distributed its Specialty Products Entities to DowDuPont; •on May 2, 2019, DowDuPont conveyed Dow Ag Entities to EID and in connection with the foregoing, EID issued additional shares of its Common Stock to DowDuPont; and •on May 31, 2019, DowDuPont contributed EID to Corteva, Inc. On May 6, 2019, the Board of Directors of DowDuPont approved the distribution of all the then issued and outstanding shares of common stock of Corteva, Inc., a wholly-owned subsidiary of DowDuPont, to DowDuPont stockholders. On June 1, 2019, DowDuPont completed the Separation. Each DowDuPont stockholder received one share of Corteva common stock for every three shares of DowDuPont common stock held at the close of business on May 24, 2019, the record date of distribution. Corteva, Inc.'s common stock began trading the "regular way" under the ticker symbol "CTVA" on June 3, 2019, the first business day after June 1, 2019. Upon becoming an independent company, the capital structure of Corteva consisted of 748,815,000 authorized shares of common stock (par value of $0.01 per share), which represents the number of common shares issued on June 3, 2019. Information related to the Corteva Distribution and its effect on the company's financial statements is discussed throughout these Notes to the Consolidated Financial Statements. As a result of the Business Realignment and the Internal Reorganization discussed above, Corteva owns 100% of the outstanding common stock of EID, and EID owns 100% of DAS. EID is a subsidiary of Corteva, Inc. and continues to be a reporting company, subject to the requirements of the Securities Exchange Act of 1934, as amended. DAS Common Control Business Combination The transfer or conveyance of DAS to Corteva was treated as a transfer of entities under common control. As such, the company recorded the assets, liabilities, and equity of DAS on its balance sheet at their historical basis. Transfers of businesses between entities under common control requires the financial statements to be presented as if the transaction had occurred at the point at which common control first existed (the Merger Effectiveness Time). As a result, the accompanying Consolidated Financial Statements and Notes thereto include the results of DAS as of the Merger Effectiveness Time. See Note 4 - Common Control Business Combination, to the Consolidated Financial Statements, for additional information. For periods prior to the Corteva Distribution, the combined results of operations and assets and liabilities of EID and DAS were derived from the Consolidated Financial Statements and accounting records of EID as well as the carve-out financial statements of DAS. The DAS carve-out financial statements reflect the historical results of operations, financial position, and cash flows of Historical Dow's Agricultural Sciences Business and include allocations of certain expenses for services from Historical Dow, including, but not limited to, general corporate expenses related to finance, legal, information technology, human resources, ethics and compliance, shared services, employee benefits and incentives, insurance, and stock-based compensation. These expenses were allocated on the basis of direct usage when identifiable, with the remainder allocated under the basis of headcount or other measures. The company's Consolidated Balance Sheets for all periods presented consist of Corteva, Inc. and its consolidated subsidiaries. The company's Consolidated Statements of Operations (the "Consolidated Statements of Operations") for all periods prior to the Corteva Distribution consist of the combined results of operations for Historical EID and DAS. The Consolidated Statements of Operations for all periods after the Corteva Distribution represent the consolidated balances of the company. Intercompany balances and transactions with Historical EID and DAS have been eliminated. During the first quarter 2020, the company recorded an increase of $40 million to APIC relating to net assets recorded as transferred as part of the 2019 Internal Reorganizations that were retained. Divestiture of EID ECP The transfer of EID ECP meets the criteria for discontinued operations and as such, results of operations are presented as discontinued operations and have been excluded from continuing operations for all periods presented. The comprehensive income (loss), stockholder's equity and cash flows related to EID ECP have not been segregated and are included in the Consolidated Statements of Comprehensive Income (Loss), Consolidated Statements of Equity and Consolidated Statements of Cash Flows, respectively, for 2019 and all prior periods. Amounts related to EID ECP are consistently included or excluded from the Notes to the Consolidated Financial Statements based on the respective financial statement line item. See Note 5 - Divestitures and Other Transactions, to the Consolidated Financial Statements, for additional information. Divestiture of EID Specialty Products Entities The transfer of the EID Specialty Products Entities meets the criteria for discontinued operations and as such, results of operations are presented as discontinued operations and have been excluded from continuing operations for all periods presented. The comprehensive income (loss), stockholder's equity and cash flows related to the EID Specialty Products Entities have not been segregated and are included in the Consolidated Statements of Comprehensive Income (Loss), Consolidated Statements of Equity and Consolidated Statements of Cash Flows, respectively, for 2019 and all prior periods. Amounts related to the EID Special Products Entities are consistently included or excluded from the Notes to the Consolidated Financial Statements based on the respective financial statement line item. See Note 5 - Divestitures and Other Transactions, to the Consolidated Financial Statements, for additional information.

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