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Background and Basis of Presentation (Policies) | 12 Months Ended
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Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Intended Business Separations [Policy Text Block] | Subsequent to the Merger, Historical Dow and EIDP engaged in a series of internal reorganization and realignment steps to realign their businesses into three subgroups: agriculture, materials science and specialty products ("Internal Reorganization"). On April 1, 2019, DowDuPont completed the separation of its materials science business into a separate and independent public company by way of a distribution of Dow common stock to holders of DowDuPont's common stock (the “Dow Distribution” and together with the Corteva Distribution, the “Distributions”). On April 1, 2019, Historical Dow entities, which held certain assets and liabilities aligned with Historical Dow’s agriculture business and the assets and liabilities associated with its specialty products business, respectively, were transferred and conveyed to DowDuPont. On April 1, 2019 and May 1, 2019, EIDP’s materials science and specialty products entities, along with their respective assets and liabilities, were conveyed to Dow and DowDuPont, respectively. On May 2, 2019, DowDuPont conveyed Historical Dow agricultural entities to EIDP. 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., then a wholly-owned subsidiary of DowDuPont, to DowDuPont stockholders. On May 31, 2019, DowDuPont contributed EIDP to Corteva, Inc. and on June 1, 2019, the Separation was completed. 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.
Basis of Accounting, Policy [Policy Text Block] | 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.
Specialty Products Disposal [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Discontinued Operations, Policy [Policy Text Block] | Since 2018, Argentina has been considered a hyper-inflationary economy under U.S. GAAP and therefore the U.S. Dollar (“USD”) is the functional currency for our related subsidiaries. Argentina contributes approximately 5 percent to both the company's annual Sales and Segment Operating EBITDA. We remeasure net monetary assets and translate our financial statements utilizing the official Argentine Peso (“Peso”) to USD exchange rate. The ability to draw down Peso cash balances is limited at this time due to government restrictions and market availability of U.S. Dollars. The devaluation of the Peso relative to the USD over the last several years has resulted in the recognition of exchange losses (refer to Note 6 – Supplementary Information, to the Consolidated Financial Statements). As of December 31, 2022, a further 10 percent deterioration in the official Peso to USD exchange rate would reduce the USD value of our net monetary assets and negatively impact pre-tax earnings by approximately $15 million. We will continue to assess the implications to our operations and financial reporting.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References No definition available. + Details
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