SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Natural Gas for Sale (Narrative) (Details) - Nicor Gas $ in Millions |
Dec. 31, 2024
USD ($)
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| Inventory [Line Items] | |
| LIFO inventory balance | $ 188 |
| Estimated replacement cost of inventory | $ 326 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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