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Restructuring and Transaction Costs (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring And Related Activities [Abstract] |
Schedule Of Restructuring And Transaction Costs | The following table summarizes Devon’s restructuring and transaction costs.
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Restructuring |  | $ | 41 |  |  | $ | 84 |  |  | $ | 97 |
Transaction costs |  |  | 8 |  |  |  | — |  |  |  | — |
Total |  | $ | 49 |  |  | $ | 84 |  |  | $ | 97 |
Schedule Of The Activity And Balances Associated With Restructuring Liabilities | The following table summarizes Devon’s restructuring liabilities presented in the accompanying consolidated balance sheets.
|  | Other |  |  | Other |  |  |  |  |
|  | Current |  |  | Long-term |  |  |  |  |
|  | Liabilities |  |  | Liabilities |  |  | Total |
Balance as of December 31, 2018 |  | $ | 39 |  |  | $ | 3 |  |  | $ | 42 |
Changes due to 2019 workforce reductions |  |  | 18 |  |  |  | — |  |  |  | 18 |
Changes related to prior years' restructurings |  |  | (37 | ) |  |  | (2 | ) |  |  | (39 | )
Balance as of December 31, 2019 |  | $ | 20 |  |  | $ | 1 |  |  | $ | 21 |
Changes related to 2020 workforce reductions |  |  | 3 |  |  |  | — |  |  |  | 3 |
Changes related to prior years' restructurings |  |  | (18 | ) |  |  | — |  |  |  | (18 | )
Changes related to retained liabilities previously classified as discontinued operations |  |  | 30 |  |  |  | 136 |  |  |  | 166 |
Balance as of December 31, 2020 |  | $ | 35 |  |  | $ | 137 |  |  | $ | 172 |

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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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