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Property, Plant, and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Public Utility Property, Plant, and Equipment | The following table sets forth our property, plant and equipment by property type, for the periods indicated:
|  | December 31, |  | December 31,
|  | 2023 |  | 2022
|  | (Thousands of dollars)
Natural gas distribution pipelines and related equipment |  | $ | 6,716,074 |  |  | $ | 6,240,236 |
Natural gas transmission pipelines and related equipment |  | 713,505 |  |  | 661,379 |
General plant and other |  | 907,946 |  |  | 782,870 |
Construction work in process |  | 131,442 |  |  | 150,072 |
Property, plant and equipment |  | 8,468,967 |  |  | 7,834,557 |
Accumulated depreciation and amortization |  | (2,333,755) |  |  | (2,205,717) |
Net property, plant and equipment |  | $ | 6,135,212 |  |  | $ | 5,628,840 |

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- Definition Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation expense and method used, including composite depreciation, and accumulated depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 980 -SubTopic 20 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481834/980-20-45-1 + Details
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