Asset Retirement Obligations (Tables) |
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Dec. 31, 2020 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligations [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Changes in Asset Retirement Obligations |
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- References No definition available.
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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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