Maximum Total Rate NDR Charge Per Month, Monthly Nonresidential Customer Account

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Maximum Total Rate NDR Charge Per Month, Monthly Residential Customer Account

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Minimum Natural Disaster Reserve Balance, Triggering Establishment Charge

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- Definition

Natural Disaster Reserve Authorized Limit

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Natural Disaster Reserve, Expected Recovery Amount

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Maximum Period for recovery deferred storm-related operations and maintenance costs and any future reserve deficits.

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Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims.

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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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Regulatory Matters - APC Rate NDR and Reliability Reserve Accounting Order (Details) - Alabama Power - USD ($)		6 Months Ended	12 Months Ended
	Jul. 12, 2022	Dec. 31, 2022	Dec. 31, 2023	Jun. 30, 2022
Public Utilities, General Disclosures [Line Items]
Natural disaster reserve balance				$ 103,000,000
Natural disaster reserve authorized limit				75,000,000
Minimum natural disaster reserve balance, triggering establishment charge				$ 50,000,000
Subsequent Event
Public Utilities, General Disclosures [Line Items]
Maximum rate NDR charge per month, monthly nonresidential customer account	$ 5.00
Maximum rate NDR charge per month, monthly residential customer account	2.50
Natural disaster reserve authorized limit	$ 35,000,000
Minimum \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Maximum period for recovery deferred stock related operations and maintenance costs and any future reserve deficits	24 months
Maximum \| Subsequent Event
Public Utilities, General Disclosures [Line Items]
Maximum period for recovery deferred stock related operations and maintenance costs and any future reserve deficits	48 months
Scenario, Forecast
Public Utilities, General Disclosures [Line Items]
Natural disaster reserve, expected recovery amount		$ 6,000,000	$ 12,000,000