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Segment Reporting Sig Items (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | [1] | Sep. 30, 2020 | [1] | Jun. 30, 2020 | [1] | Mar. 31, 2020 | [1] | Dec. 31, 2019 | [1] | Sep. 30, 2019 | [1] | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Integration and Separation Costs |  |  |  |  |  | $ 50 | $ 152 | $ 330 | [1] | $ 212 | [1] | $ 0 | $ 744 |  | $ 992 |
Pre-tax exchange (loss) gain | [2],[3] |  |  |  |  |  |  |  |  |  |  | (174) | (99) |  | (127) |
Loss on Extinguishment of Debt |  |  |  |  |  |  |  | (13) |  |  |  | 0 | (13) | [4] | (81) | [4]
Significant items |  |  |  |  |  |  |  |  |  |  |  | 388 | 991 |  | 1,346 |
Restructuring and asset related charges- net |  | $ 37 | $ 49 | $ 179 | $ 70 | $ 55 | $ 46 | $ 60 | [1] | 61 | [1] | 335 | 222 |  | 694 |
Sale of JV [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets |  |  |  |  |  |  |  |  |  | $ (24) |  |  |  |  |  |
Hedging Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain |  |  |  |  |  |  |  |  |  |  |  | 89 | (58) |  | 94 |
Hedging Program [Member] | Argentine peso devaluation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain |  |  |  |  |  |  |  |  |  |  |  | (82) | (51) |  | (68) |
Hedging Program [Member] | Tax Reform Foreign Currency Exchange Impact [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (50) |
Segment Reconciling Items [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Integration and Separation Costs | [5],[6] |  |  |  |  |  |  |  |  |  |  |  | (632) |  | (571) |
Gain (Loss) on Disposition of Assets | [6],[7] |  |  |  |  |  |  |  |  |  |  |  | (24) |  |  |
Pre-tax exchange (loss) gain | [8] |  |  |  |  |  |  |  |  |  |  | 174 | 66 |  | 77 |
Business Combination, Fair Value Step-Up Of Acquired Inventory, Amount recognized in Cost of Goods sold | [6],[9] |  |  |  |  |  |  |  |  |  |  |  | (67) |  |  |
Loss on Extinguishment of Debt | [6],[10] |  |  |  |  |  |  |  |  |  |  |  | (13) |  |  |
Argentine Peso Devaluation | [6],[11] |  |  |  |  |  |  |  |  |  |  |  | (33) |  |  |
Significant items |  |  |  |  |  |  |  |  |  |  |  | (388) | (991) | [6] | (1,346) | [6]
Restructuring and asset related charges- net | [12] |  |  |  |  |  |  |  |  |  |  | (335) | (222) | [6] | (694) | [6]
Segment Reconciling Items [Member] | Seed [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Fair Value Step-Up Of Acquired Inventory, Amount recognized in Cost of Goods sold | [6],[9] |  |  |  |  |  |  |  |  |  |  |  | (67) |  |  |
Significant items |  |  |  |  |  |  |  |  |  |  |  | (165) | (304) | [6] | (399) | [6]
Restructuring and asset related charges- net | [12] |  |  |  |  |  |  |  |  |  |  | (165) | (213) | [6] | (368) | [6]
Segment Reconciling Items [Member] | Crop Protection [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Significant items |  |  |  |  |  |  |  |  |  |  |  | (162) | (23) | [6] | (58) | [6]
Restructuring and asset related charges- net | [12] |  |  |  |  |  |  |  |  |  |  | (109) | (23) | [6] | (58) | [6]
Segment Reconciling Items [Member] | Corporate, Non-Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Integration and Separation Costs | [5],[6] |  |  |  |  |  |  |  |  |  |  |  | (632) |  | (571) |
Loss on Extinguishment of Debt | [6],[10] |  |  |  |  |  |  |  |  |  |  |  | (13) |  |  |
Argentine Peso Devaluation | [6],[11] |  |  |  |  |  |  |  |  |  |  |  | (33) |  |  |
Significant items |  |  |  |  |  |  |  |  |  |  |  | (61) | (664) | [6] | (889) | [6]
Restructuring and asset related charges- net | [12] |  |  |  |  |  |  |  |  |  |  | (61) | 14 | [6] | (268) | [6]
Segment Reconciling Items [Member] | Sale of JV [Member] | Seed [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[7] |  |  |  |  |  |  |  |  |  |  |  | (24) |  |  |
Segment Reconciling Items [Member] | Asset sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[13] |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 |
Segment Reconciling Items [Member] | Asset sale [Member] | Seed [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[13] |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 |
Segment Reconciling Items [Member] | Deconsolidation of a subsidiary [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[14] |  |  |  |  |  |  |  |  |  |  |  |  |  | (53) |
Segment Reconciling Items [Member] | Deconsolidation of a subsidiary [Member] | Seed [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[14] |  |  |  |  |  |  |  |  |  |  |  |  |  | (53) |
Segment Reconciling Items [Member] | Other loss on sale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[15] |  |  |  |  |  |  |  |  |  |  |  |  |  | (2) |
Segment Reconciling Items [Member] | Other loss on sale [Member] | Seed [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [6],[15] |  |  |  |  |  |  |  |  |  |  |  |  |  | (2) |
Segment Reconciling Items [Member] | La Porte |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [16] |  |  |  |  |  |  |  |  |  |  | (53) |  |  |  |
Segment Reconciling Items [Member] | La Porte | Crop Protection [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Disposition of Assets | [16] |  |  |  |  |  |  |  |  |  |  | $ (53) |  |  |  |
Segment Reconciling Items [Member] | Hedging Program [Member] | Argentine peso devaluation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain |  |  |  |  |  |  |  |  |  |  |  |  | $ (33) |  |  |
Segment Reconciling Items [Member] | Hedging Program [Member] | Tax Reform Foreign Currency Exchange Impact [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain | [6],[17] |  |  |  |  |  |  |  |  |  |  |  |  |  | (50) |
Segment Reconciling Items [Member] | Hedging Program [Member] | Tax Reform Foreign Currency Exchange Impact [Member] | Corporate, Non-Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax exchange (loss) gain | [6],[17] |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (50) |
[1] | See Note 2 - Summary of Significant Accounting Polices, Note 7 - Restructuring and Asset Related Charges - Net, Note 5 - Divestitures and Other Transactions, and Note 15 - Goodwill and Other Intangible Assets, to the Consolidated Financial Statements for additional information related to integration and separation costs, restructuring and asset related charges - net, and discontinued operations, respectively.
[2] | Includes a $(50) million foreign exchange loss for the year ended December 31, 2018 related to adjustments to foreign currency exchange contracts as a result of U.S. tax reform, which is included within significant items.
[3] | Includes net pre-tax exchange losses of $(82) million, $(51) million and $(68) million associated with the devaluation of the Argentine peso for the years ended December 31, 2020, 2019 and 2018, respectively.
[4] | The cash flows for the years ended December 31, 2018 and 2019 includes cash flows of EID's ECP and Specialty Products Entities.
[5] | Integration and separation costs include costs incurred to prepare for and close the Merger, post-Merger integration expenses, and costs incurred to prepare for the Internal Reorganizations. Beginning in the second quarter of 2019, this includes both integration and separation costs.
[6] | The years ended December 31, 2019 and December 31, 2018 are presented on a pro forma basis, prepared in accordance with Article 11 of Regulation S-X that was in effect prior to recent amendments.
[7] | Includes a loss recorded in other income - net related to DAS's sale of a joint venture related to synergy actions.
[8] | Excludes a $(33) million foreign exchange loss for the year ended December 31, 2019 associated with the devaluation of the Argentine peso and a $(50) million foreign exchange loss for the year ended December 31, 2018 related to adjustments to foreign currency exchange contracts as a result of U.S. tax reform, as they are included within significant items. See Note 9 - Supplementary Information, to the Consolidated Financial Statements, for additional information.
[9] | Includes a charge related to the amortization of the inventory that was stepped up to fair value in connection with the Merger.
[10] | Includes a loss on early extinguishment of debt related to the difference between the redemption price and the par value of the Make Whole Notes and Term Loan Facility, partially offset by the write-off of unamortized step-up related to the fair value step-up of EID's debt.
[11] | Includes a charge included in other income (expense) - net associated with remeasuring the company’s Argentine Peso net monetary assets, resulting from an unexpected August primary election result in Argentina. Throughout the three months ended September 30, 2019, the Argentine Peso dropped approximately a third of its value against the US dollar and in September of 2019, the country’s central bank announced new restrictions on foreign currency transactions.
[12] | Includes Board approved restructuring plans and asset related charges as well as accelerated prepaid amortization. See Note 7 - Restructuring and Asset Related Charges - Net, to the Consolidated Financial Statements, for additional information.
[13] | Includes a gain recorded in other income (expense) - net related to an asset sale.
[14] | Includes a loss recorded in other income (expense) - net related to the deconsolidation of a subsidiary.
[15] | Includes a loss recorded in other income (expense) - net related to an asset sale.
[16] | Includes a loss recorded in other income - net related to the expected sale of the La Porte site.
[17] | Includes a foreign exchange loss recorded in other income (expense) - net related to adjustments to foreign currency exchange contracts as a result of U.S. tax reform.

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