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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Narrative) (Details) - Atlanta Gas Light | Dec. 31, 2021 customer
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Concentration Risk [Line Items] |
Number of customers in Georgia | 16
Percent of highest month's estimated bill | 200.00%

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- Definition Concentration Risk, Number of Customers. + References No definition available. + Details
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- Definition Public Utilities, Annual Credit Security Support, Percentage Of Highest Bill + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
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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. + References No definition available. + Details
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- Details
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