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v3.23.2

Introduction - Storm Damage Reserves (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2023 USD ($)
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Balance at December 31, 2022 | $ 216
Balance at June 30, 2023 | 159
Accrued Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Accrual | 28
Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Weather-related damages | (85)
ALABAMA POWER CO |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Balance at December 31, 2022 | 97
Balance at June 30, 2023 | 79
ALABAMA POWER CO | Accrued Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Accrual | 6
ALABAMA POWER CO | Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Weather-related damages | (24)
GEORGIA POWER CO |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Balance at December 31, 2022 | 83
Balance at June 30, 2023 | 41
GEORGIA POWER CO | Accrued Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Accrual | 16
GEORGIA POWER CO | Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Weather-related damages | (58)
MISSISSIPPI POWER CO |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Balance at December 31, 2022 | 36
Balance at June 30, 2023 | 39
MISSISSIPPI POWER CO | Accrued Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Accrual | 6
MISSISSIPPI POWER CO | Storm Reserve |
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |
Weather-related damages | $ (3)

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- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481878/980-340-50-1 + Details
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