Regulatory Matters - GAS Atlanta Gas Light (Details) $ in Millions	Jun. 30, 2023 USD ($)
SOUTHERN Co GAS
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease) amount	$ 53

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.

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