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v3.23.2

Introduction - Decommissioning Expenses (Details) $ in Millions | 1 Months Ended
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Jun. 30, 2023 USD ($)
Estimated Inflation Rate |
Liability for Claims and Claims Adjustment Expense [Line Items] |
ARO measurement input | 0.045
Estimated Trust Earnings |
Liability for Claims and Claims Adjustment Expense [Line Items] |
ARO measurement input | 0.070
ALABAMA POWER CO |
Liability for Claims and Claims Adjustment Expense [Line Items] |
Total site study costs | $ 2,048
Radiated structures | ALABAMA POWER CO |
Liability for Claims and Claims Adjustment Expense [Line Items] |
Total site study costs | 1,402
Spent fuel management | ALABAMA POWER CO |
Liability for Claims and Claims Adjustment Expense [Line Items] |
Total site study costs | 513
Non-radiated structures | ALABAMA POWER CO |
Liability for Claims and Claims Adjustment Expense [Line Items] |
Total site study costs | $ 133

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- Definition Amount of a decommissioning liability associated with a legal obligation that a firm incurs when it constructs or operates an asset that must eventually be withdrawn from active service. This may include operating assets such as nuclear power plants or shipping vessels. + References No definition available. + Details
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