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Asset Retirement Obligations (Tables) | 3 Months Ended
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Mar. 31, 2022
Asset Retirement Obligation Disclosure [Abstract] |
Summary Of Changes In Asset Retirement Obligations | The following table presents the changes in Devon’s asset retirement obligations.
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Asset retirement obligations as of beginning of period |  | $ | 485 |  |  | $ | 369 |
Assumed WPX obligations |  |  | — |  |  |  | 98 |
Liabilities incurred |  |  | 8 |  |  |  | 9 |
Liabilities settled and divested |  |  | (3 | ) |  |  | (17 | )
Revision of estimated obligation |  |  | (35 | ) |  |  | 11 |
Accretion expense on discounted obligation |  |  | 7 |  |  |  | 7 |
Asset retirement obligations as of end of period |  |  | 462 |  |  |  | 477 |
Less current portion |  |  | 19 |  |  |  | 22 |
Asset retirement obligations, long-term |  | $ | 443 |  |  | $ | 455 |

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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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