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Asset Retirement Obligations (Tables) | 9 Months Ended
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Sep. 30, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Summary Of Changes In Asset Retirement Obligations | The following table presents the changes in Devon’s asset retirement obligations.
|  | Nine Months Ended September 30, |
|  | 2020 |  |  | 2019 |
Asset retirement obligations as of beginning of period |  | $ | 398 |  |  | $ | 484 |
Liabilities incurred |  |  | 15 |  |  |  | 14 |
Liabilities settled and divested |  |  | (24 | ) |  |  | (50 | )
Revision of estimated obligation |  |  | 4 |  |  |  | (62 | )
Accretion expense on discounted obligation |  |  | 15 |  |  |  | 16 |
Asset retirement obligations as of end of period |  |  | 408 |  |  |  | 402 |
Less current portion |  |  | 10 |  |  |  | 17 |
Asset retirement obligations, long-term |  | $ | 398 |  |  | $ | 385 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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