Selected Balance Sheet Information (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2026 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Selected Balance Sheet Information [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Receivable Schedule | Following is a summary of Accounts receivable, net included in the accompanying Consolidated Balance Sheets as of:
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| Financing Receivable, Current, Allowance for Credit Loss | Changes to allowance for credit losses for the six months ended June 30, 2026, and 2025, respectively, were as follows:
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| Materials, Supplies and Fuel | The following amounts by major classification are included in Materials, supplies, and fuel on the accompanying Consolidated Balance Sheets as of:
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| Schedule of Accrued Liabilities | The following amounts by major classification are included in Accrued liabilities on the accompanying Consolidated Balance Sheets as of:
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