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Restructuring and Asset Related Charges (Tables) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | A reconciliation of the December 31, 2019 to the December 31, 2020 liability balances related to the Execute to Win Productivity Program is summarized below:
(In millions) | Severance and Related Benefit (Credits) Costs | Asset Related Charges | Total
Balance at December 31, 2019 | $ | — |  | $ | — |  | $ | — |
Charges to income from continuing operations for the year ended December 31, 2020 | 63 |  | 113 |  | 176 |
Payments | (10) |  | (5) |  | (15) |
Asset write-offs | — |  | (105) |  | (105) |
Balance at December 31, 2020 | $ | 53 |  | $ | 3 |  | $ | 56 |
DowDuPont Agriculture Division Restructuring Program [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] |  |
(In millions) | For the Year Ended December 31, 2019 | For the Year Ended December 31, 2018
Severance and related benefit (credits) costs - net | $ | (17) |  | $ | 78 |
Asset related charges | 3 |  | 6 |
Total | $ | (14) |  | $ | 84 |
Schedule of Restructuring Reserve by Segment |  |
(In millions) | For the Year Ended December 31, 2019 | For the Year Ended December 31, 2018
Seed | $ | 3 |  | $ | 5 |
Crop Protection | (4) |  | 1 |
Corporate expenses | (13) |  | 78 |
Total | $ | (14) |  | $ | 84 |
DowDuPont Cost Synergy Program [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] |
| For the Year Ended December 31,
(In millions) | 2020 | 2019 | 2018
Seed | $ | (9) |  | $ | 66 |  | $ | 237 |
Crop Protection | 11 |  | 27 |  | 57 |
Corporate expenses | (2) |  | (1) |  | 190 |
Total | $ | — |  | $ | 92 |  | $ | 484 |
| For the Year Ended December 31,
(In millions) | 2020 | 2019 | 2018
Severance and related benefit (credits) costs - net | $ | (2) |  | $ | (7) |  | $ | 191 |
Contract termination charges | — |  | 69 |  | 84 |
Asset related charges | 2 |  | 30 |  | 209 |
Total restructuring and asset related charges - net | $ | — |  | $ | 92 |  | $ | 484 |
(In millions) | Severance and Related Benefit (Credits) Costs | Costs Associated with Exit and Disposal Activities 1 | Asset Related Charges | Total
Balance at December 31, 2019 | $ | 29 |  | $ | 40 |  | $ | — |  | $ | 69 |
(Benefits) charges to income from continuing operations for the year ended December 31, 2020 | (2) |  | — |  | 5 |  | 3 |
Payments | (19) |  | (10) |  | 2 |  | (27) |
Asset write-offs | — |  | — |  | (7) |  | (7) |
Balance at December 31, 2020 | $ | 8 |  | $ | 30 |  | $ | — |  | $ | 38 |
1.Relates primarily to contract terminations charges. |
Execute to Win Productivity Program |  |
Restructuring Cost and Reserve [Line Items] |  |
Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | The below is a summary of charges incurred related to the Execute to Win Productivity Program for the year ended December 31, 2020:
(In millions) | For the Year Ended December 31, 2020
Severance and related benefit costs - net | $ | 63 |
Asset related charges | 113 |
Total restructuring and asset related charges - net | $ | 176 |
Schedule of Restructuring Reserve by Segment | The Execute to Win Productivity Program charges related to the segments, as well as corporate expenses, were as follows:
(In millions) | For the Year Ended December 31, 2020
Seed | $ | 15 |
Crop Protection | 98 |
Corporate expenses | 63 |
Total | $ | 176 |

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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