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Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2023
Asset Retirement Obligation Disclosure [Abstract] |
Summary Of Changes In Asset Retirement Obligations | The following table presents the changes in asset retirement obligations.
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |
Asset retirement obligations as of beginning of period |  | $ | 529 |  |  | $ | 485 |
Liabilities incurred and assumed through acquisitions |  |  | 110 |  |  |  | 73 |
Liabilities settled and divested |  |  | (30 | ) |  |  | (19 | )
Revision of estimated obligation |  |  | 27 |  |  |  | (35 | )
Accretion expense on discounted obligation |  |  | 29 |  |  |  | 25 |
Asset retirement obligations as of end of period |  |  | 665 |  |  |  | 529 |
Less current portion |  |  | 22 |  |  |  | 18 |
Asset retirement obligations, long-term |  | $ | 643 |  |  | $ | 511 |

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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 -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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