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Introduction - Asset Retirement Obligations (Details) - USD ($) $ in Millions | 1 Months Ended |
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Jun. 30, 2023 | Mar. 06, 2023
ALABAMA POWER CO |  |
Schedule of Asset Retirement Obligation [Line Items] |  |
Asset retirement obligation, period increase | $ 15 |
Plant Vogtle Unit 3 |  |
Schedule of Asset Retirement Obligation [Line Items] |  |
Asset retirement obligations |  | $ 90

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- Definition [Line Items] for Schedule of Asset Retirement Obligation [Table] + References No definition available. + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481999/410-20-25-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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- Definition Amount of increase (decrease) in asset retirement obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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- Details
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- Details
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