Asset Retirement Obligations and Accrued Environmental Costs (Tables) |
6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2025 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligation Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Asset Retirement Obligations and Accrued Environmental Costs |
__________________ (a)Presented as “Other current liabilities” on the Consolidated Balance Sheets.
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| Schedule of Changes in Asset Retirement Obligations | The changes of the ARO carrying value during the period were:
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| Schedule of Disaggregation of Asset Retirement Obligations | The disaggregation of ARO carrying values on the Consolidated Balance Sheets were:
__________________ (a)Obligations are expected to be settled with available funds in the NDT at the time of decommissioning. See Note 11 for additional information on the NDT. (b)Certain obligations are: (i) partially supported by surety bonds, some of which have been collateralized with LCs; or (ii) partially prefunded under phased installment agreements.
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