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Inventories and natural gas in storage (Policies) | 9 Months Ended
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Sep. 30, 2023
Inventory Disclosure [Abstract] |
Inventories and natural gas in storage | Natural gas in storage for the Company's regulated operations is generally valued at lower of cost or market using the last-in, first-out method or lower of cost or net realizable value using the average cost or first-in, first-out method. The majority of all other inventories are valued at the lower of cost or net realizable value using the average cost method.

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