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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 5 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | May 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2024 | Apr. 30, 2024
Regulatory Liability, Noncurrent |  | $ 3,116,926 |  | $ 3,488,314 |  |  |
Increase (Decrease) in Regulatory Liabilities |  |  |  | 380,394 | $ 308,058 |  |
Entergy New Orleans [Member] |  |  |  |  |  |  |
Regulatory Liability, Noncurrent |  | 90,434 |  | 259,613 |  |  |
Increase (Decrease) in Regulatory Liabilities |  |  |  | 167,529 | 30,722 |  |
Entergy Arkansas [Member] |  |  |  |  |  |  |
Regulatory Liability, Noncurrent |  | 759,181 |  | 803,680 |  |  |
Increase (Decrease) in Regulatory Liabilities |  |  |  | 71,529 | $ 97,349 |  |
State Effective Income Tax Rate, Percent |  |  | 4.80% |  |  |  |
Regulatory Liability For Income Taxes - Current and Non Current |  |  |  | $ 31,000 |  |  |
Entergy Arkansas [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
State Effective Income Tax Rate, Percent |  |  |  |  |  | 4.30% |
Credits expected to be shared with customers from resolution of the 2016-2018 IRS audit [Member] | Entergy New Orleans [Member] |  |  |  |  |  |  |
Regulatory Liability, Noncurrent | $ 138,000 | 60,000 |  |  |  |  | $ 138,000
Regulatory charge, net of tax | 57,000 | $ 44,000 |  |  |  |  |
Increase (Decrease) in Regulatory Liabilities | $ 78,000 |  |  |  |  |  |

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- Definition The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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- Definition The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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