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Rate And Regulatory Matters (Narrative) (Details) | 1 Months Ended | 3 Months Ended | 5 Months Ended | 6 Months Ended | 9 Months Ended | 10 Months Ended | 11 Months Ended | 12 Months Ended | 20 Months Ended |  |  |
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Jul. 31, 2022 USD ($) | Jun. 30, 2022 USD ($) | May 31, 2022 USD ($) shares | Apr. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Feb. 28, 2022 USD ($) | Jan. 31, 2022 USD ($) | Oct. 31, 2021 USD ($) | Aug. 31, 2021 USD ($) | May 31, 2021 USD ($) | Apr. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 1988 | Jun. 30, 2022 USD ($) | Aug. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jul. 31, 2021 USD ($) | Dec. 31, 2023 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Jan. 01, 2022 USD ($) | Sep. 30, 2021 USD ($) | Apr. 30, 2020 USD ($)
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (163,321,000) | $ 345,339,000 |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | $ 1,827,581,000 |  |  |  |  |  |  |  |  |  |  |  | $ 1,827,581,000 |  | 1,827,581,000 |  |  |  |  |  |  |  | $ 1,511,966,000 | $ 1,511,966,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,851,061,000 | 5,008,330,000 |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Transition Bond, Noncurrent |  | 335,995,000 |  |  |  |  |  |  |  |  |  |  |  | 335,995,000 |  | 335,995,000 |  |  |  |  |  |  |  | 83,639,000 | 83,639,000 |  |  |
Deferred Fuel Cost |  | 983,935,000 |  |  |  |  |  |  |  |  |  |  |  | 983,935,000 |  | 983,935,000 |  |  |  |  |  |  |  | 324,394,000 | 324,394,000 |  |  |
Replacement Reserve Escrow |  | 331,000,000 |  |  |  |  |  |  |  |  |  |  |  | 331,000,000 |  | 331,000,000 |  |  |  |  |  |  |  | 49,000,000 | 49,000,000 |  |  |
Reduction of income tax expense |  |  | $ 283,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Transition Bond, Noncurrent |  | $ 335,995,000 |  |  |  |  |  |  |  |  |  |  |  | $ 335,995,000 |  | $ 335,995,000 |  |  |  |  |  |  |  | 83,639,000 | 83,639,000 |  |  |
4.00% Series mortgage bonds due July 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  | 4.00% | 4.00% |  |  |  |  |  |  |  |  |  |  | 4.00% |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of First Mortgage Bond |  |  | $ 650,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | $ 785,737,000 |  |  |  |  |  |  |  |  |  |  |  | $ 785,737,000 |  | $ 785,737,000 |  |  |  |  |  |  |  | 847,924,000 | 847,924,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,777,192,000 | 2,097,214,000 |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs |  |  |  | $ 2,640,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Storm Reserve Escrow Account |  | 290,065,000 |  |  |  | $ 290,000,000 |  |  |  |  | $ 290,000,000 |  |  | 290,065,000 |  | 290,065,000 |  |  |  |  |  |  |  | 0 | 0 |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of system restoration bonds authorization requested |  |  |  |  |  | 3,186,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned return on common equity |  |  | 8.33% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Fuel Cost |  | 412,695,000 |  |  |  |  |  |  |  |  |  |  |  | 412,695,000 |  | 412,695,000 |  |  |  |  |  |  |  | 45,374,000 | 45,374,000 |  |  |
Reclassification from utility plant to other regulatory assets |  | 1,942,000,000 |  |  |  |  |  |  |  |  |  |  |  | 1,942,000,000 |  | 1,942,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Replacement Reserve Escrow |  | 290,100,000 |  |  |  |  |  |  |  |  |  |  |  | 290,100,000 |  | $ 290,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Fuel Costs |  |  |  |  |  |  |  |  |  |  |  |  |  | 135,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate Increase Included in Formula Rate Plan |  |  | $ 65,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Formula rate plan revenue increase |  |  | 152,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LCDA issuance of bonds under Act 293 financing |  |  | $ 3,194,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LURC's percentage of annual dividends |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |
ELL's percentage of annual dividends |  |  | 99.00% |  |  |  |  |  |  |  |  |  |  |  |  | 99.00% |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Contributed Capital |  |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000 | 0 |  |  |  |  |  |  |  |  |  |  |
Proceeds from capital contribution used to fund Hurricane Ida escrow |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Funds withdrawn from Hurricane Ida escrow and applied to restoration costs |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted storm escrow funds |  |  | 290,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction of income tax expense |  |  | 290,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory charge recorded as a result of reduction in income tax expense |  |  | 224,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory charge recorded as a result of reduction in income tax expense, net of tax |  |  | 165,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LURC's beneficial interest in the storm trust |  |  | 31,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Unsecured Term Loan due June 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Unsecured Debt |  |  | $ 1,200,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Mortgage Bonds Zero Point Six Two Percent Series Due November 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  | 0.62% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of First Mortgage Bond |  |  | $ 435,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Deferred COVID 19 Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  | 47,800,000 |  |  |  |  |  |  |  |  |  |  |  | 47,800,000 |  | 47,800,000 |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Hurricane Ida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System |  |  |  | 2,540,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-capital storm costs |  |  |  | 586,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Storm and Property Reserve Deficiency, Noncurrent |  |  |  | 1,960,000,000 |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |  | $ 1,000,000,000 |  |  |  |  | 1,000,000,000 | 1,000,000,000 |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs |  |  |  | 2,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of system restoration bonds authorization requested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 | 1,000,000,000 |  |  |
Entergy Louisiana [Member] | Hurricanes Laura, Delta, Zeta, and Winter Storm Uri |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System |  |  |  |  |  |  |  |  |  |  | 2,060,000,000.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-capital storm costs |  |  |  |  |  |  |  |  |  |  | 380,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Storm and Property Reserve Deficiency, Noncurrent |  |  |  |  |  | 51,000,000 |  |  |  |  | 1,680,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs |  |  |  | $ 32,000,000 |  | 2,100,000,000 |  |  |  |  | $ 2,110,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Winter Storm Uri |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fuel Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 166,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Subsequent Event [Member] | Hurricanes Laura, Delta, Zeta, and Winter Storm Uri |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying costs associated with storm restoration costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |
Entergy Louisiana [Member] | Subsequent Event [Member] | Hurricane Ida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying costs associated with storm restoration costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 57,000,000 |  |  |  |  |  |  |  |  |  |
Entergy Mississippi [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  | $ 69,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | 266,686,000 |  |  |  |  |  |  |  |  |  |  |  | 266,686,000 |  | 266,686,000 |  |  |  |  |  |  |  | 95,452,000 | 95,452,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 249,746,000 | 200,543,000 |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Return on Equity, Percentage |  |  |  |  | 6.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interim increase in formula rate plan revenues |  | $ 34,300,000 |  |  | $ 34,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interim increase in formula rate plan revenues due to adjustments |  |  |  |  | 24,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned return on common equity |  | 5.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Fuel Cost |  | $ 246,630,000 |  |  |  |  |  |  |  |  |  |  |  | 246,630,000 |  | 246,630,000 |  |  |  |  |  |  |  | 121,878,000 | 121,878,000 |  |  |
Replacement Reserve Escrow |  | 41,100,000 |  |  |  |  |  |  |  |  |  |  |  | 41,100,000 |  | 41,100,000 |  |  |  |  |  |  |  | 48,900,000 | 48,900,000 |  |  |
Potential settlement refund |  | 353,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Mississippi [Member] | Formula Rate Plan Historical Year Rate Adjustment Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets, Noncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,000,000 | 19,000,000 |  |  |
Entergy Mississippi [Member] | Deferred COVID 19 Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  | 13,100,000 |  |  |  |  |  |  |  |  |  |  |  | 13,100,000 |  | $ 13,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Entergy Mississippi [Member] | Grand Gulf [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |
Entergy Mississippi [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  | $ 48,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Percentage |  |  |  | 2.00% | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Mississippi [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interim fuel refund for cumulative over-recovery | $ 14,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MPSC settlement refund | 235,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  | $ 42,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | 32,408,000 |  |  |  |  |  |  |  |  |  |  |  | 32,408,000 |  | $ 32,408,000 |  |  |  |  |  |  |  | 22,199,000 | 22,199,000 |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Transition Bond, Noncurrent |  | 23,866,000 |  |  |  |  |  |  |  |  |  |  |  | 23,866,000 |  | 23,866,000 |  |  |  |  |  |  |  | 29,661,000 | 29,661,000 |  |  |
Earned return on common equity |  |  |  | 6.88% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized return on common equity |  |  |  | 9.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Fuel Cost |  | 23,992,000 |  |  |  |  |  |  |  |  |  |  |  | 23,992,000 |  | 23,992,000 |  |  |  |  |  |  |  | 0 | 0 |  |  |
Long-term Transition Bond, Noncurrent |  | 23,866,000 |  |  |  |  |  |  |  |  |  |  |  | 23,866,000 |  | 23,866,000 |  |  |  |  |  |  |  | 29,661,000 | 29,661,000 |  |  |
Entergy New Orleans [Member] | Deferred COVID 19 Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  | 14,500,000 |  |  |  |  |  |  |  |  |  |  |  | 14,500,000 |  | 14,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Hurricane Zeta |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System |  |  |  |  |  |  |  |  |  | $ 36,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excess withdrawn replacement reserve escrow |  |  | 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Withdrawal from storm reserves |  |  | 44,000,000 |  |  |  |  |  |  |  |  | $ 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prudently incurred storm restoration costs |  |  | $ 33,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated costs included in filing for total restoration costs for repair and replacement of electrical system |  |  |  |  |  |  |  |  |  | $ 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Hurricane Ida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Restoration Costs For Repair and Replacement of Electrical System |  | 170,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Replacement Reserve Escrow |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39,000,000 |
Excess withdrawn replacement reserve escrow |  | 7,000,000 |  |  |  |  |  |  |  |  |  |  |  | 7,000,000 |  | 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Reduction to requested total restoration costs for repair and replacement of electrical system |  | 46,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Electricity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  | $ 34,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional revenue increase due to previously approved amounts |  |  |  | 4,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Natural Gas, US Regulated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  | 3,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Subsequent Event [Member] | Hurricane Ida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying costs associated with storm restoration costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,000,000 |  |  |  |  |  |  |  |  |  |
Entergy New Orleans [Member] | Subsequent Event [Member] | Electricity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amended, Amount | $ 17,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Texas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | 245,788,000 |  |  |  |  |  |  |  |  |  |  |  | 245,788,000 |  | 245,788,000 |  |  |  |  |  |  |  | 183,965,000 | 183,965,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 286,842,000 | 0 |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Transition Bond, Noncurrent |  | 312,129,000 |  |  |  |  |  |  |  |  |  |  |  | 312,129,000 |  | 312,129,000 |  |  |  |  |  |  |  | 53,979,000 | 53,979,000 |  |  |
Deferred Fuel Cost |  | 189,472,000 |  |  |  |  |  |  |  |  |  |  |  | 189,472,000 |  | 189,472,000 |  |  |  |  |  |  |  | 48,280,000 | 48,280,000 |  |  |
Interim fuel surcharge, including interest, for under-recovery of fuel and purchased power costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51,700,000 |  |  |
Long-term Transition Bond, Noncurrent |  | 312,129,000 |  |  |  |  |  |  |  |  |  |  |  | 312,129,000 |  | 312,129,000 |  |  |  |  |  |  |  | 53,979,000 | 53,979,000 |  |  |
Interim fuel surcharge, including interest, for under-recovery of fuel and purchased power costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51,700,000 |  |  |
Entergy Texas [Member] | Aggregate Senior secured restoration bonds (securitization bonds) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | 290,850,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Texas [Member] | Deferred COVID 19 Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  | 10,400,000 |  |  |  |  |  |  |  |  |  |  |  | 10,400,000 |  | 10,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Entergy Texas [Member] | Hurricanes Laura and Delta and Winter Storm Uri |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of system restoration bonds authorization requested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 242,900,000 |  |
Reclassification from utility plant to other regulatory assets |  |  |  |  | $ 153,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 153,000,000 |  |  |  |  |
Entergy Texas [Member] | Hurricanes Laura and Delta and Winter Storm Uri | Aggregate Senior secured restoration bonds (securitization bonds) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | 290,850,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Arkansas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | 371,705,000 |  |  |  |  |  |  |  |  |  |  |  | 371,705,000 |  | 371,705,000 |  |  |  |  |  |  |  | 241,127,000 | 241,127,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 223,882,000 | 694,137,000 |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Energy Cost Recovery Rider Rate Per kWh |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00959 |  |  |  |  |
Deferred Fuel Cost |  | 111,147,000 |  |  |  |  |  |  |  |  |  |  |  | 111,147,000 |  | 111,147,000 |  |  |  |  |  |  |  | 108,862,000 | 108,862,000 |  |  |
Entergy Arkansas [Member] | Deferred COVID 19 Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Assets |  | 36,600,000 |  |  |  |  |  |  |  |  |  |  |  | 36,600,000 |  | 36,600,000 |  |  |  |  |  |  |  |  |  |  |  |
Entergy Arkansas [Member] | 2021 February Winter Storms |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Fuel Cost |  |  |  |  | 32,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32,000,000 |  |  |  |  |
Entergy Arkansas [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Energy Cost Recovery Rider Rate Per kWh |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.016390 |  |  |  |  |  |
Requested Energy Cost Recovery Rider Rate Per kWh |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01785 |  |  |  |  |  |
Annual revenue constraint per rate class percentage | 400.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
System Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Property, Plant and Equipment, Construction Work in Progress |  | 79,596,000 |  |  |  |  |  |  |  |  |  |  |  | 79,596,000 |  | 79,596,000 |  |  |  |  |  |  |  | $ 97,968,000 | $ 97,968,000 |  |  |
Proceeds from the issuance of long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 556,696,000 | $ 453,981,000 |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned return on common equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.94% |  |  |  |  |  |  |  |  |  |  |  |
Recommended adjustment to earned return on equity |  |  |  |  |  |  |  |  |  |  |  | 9.32% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated return on equity complaint refund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 61,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Return on equity complaint, estimated annual rate reduction |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Regulatory charge related to System Energy settlement |  | 551,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory charge related to System Energy settlement - net of tax |  | 413,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Previously recorded liability related to applicable litigation |  | 37,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Liability related to potential settlement refund |  | 588,000,000 |  |  |  |  |  |  |  |  |  |  |  | 588,000,000 |  | $ 588,000,000 |  |  |  |  |  |  |  |  |  |  |  |
System Energy [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALJ recommended equity capital structure, percentage |  |  |  |  |  |  |  |  |  |  |  | 48.15% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
System Energy [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized return on common equity | 9.65% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Approved Equity Capital Structure, Percentage | 52.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Potential settlement refund | $ 588,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Finance Company, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class preferred non voting membership interest units acquired in wholly owned subsidiary | shares |  |  | 31,635,718.7221 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred interest distributed from EFC to EHC |  |  | $ 1,400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred interest distributed from EFC to ETR |  |  | 1,700,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference, Value |  |  | $ 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Holdings Company, LLC | Hurricane Katrina and Hurricane Rita |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class preferred non voting membership interest units acquired in wholly owned subsidiary | shares |  |  | 6,843,780.24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Holdings Company, LLC | Hurricane Gustav and Hurricane Ike |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class preferred non voting membership interest units acquired in wholly owned subsidiary | shares |  |  | 4,126,940.15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Entergy Holdings Company, LLC | Hurricane Isaac |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class preferred non voting membership interest units acquired in wholly owned subsidiary | shares |  |  | 2,935,152.69 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grand Gulf [Member] | System Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.50% |  |  |  |  |  |  |  |  |  |  |  |
Legacy Entergy Louisiana [Member] | Entergy Louisiana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Formula rate plan revenue increase |  |  | $ 86,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legacy Entergy Gulf States Louisiana [Member] | Entergy Louisiana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Formula rate plan revenue increase |  |  | 66,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution Cost Recovery Factor Rider [Member] | Entergy Texas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  |  |  |  |  | $ 40,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue increase resulting from incremental revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,900,000 |  |  |  |  |  |  |  |  |
Generation Cost Recovery Rider | Entergy Texas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  |  | 5,000,000 | $ 88,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Generation Cost Recovery Rider | Entergy Texas [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 92,800,000 |  |  |  |  |  |  |  |  |  |
Revenue increase resulting from incremental revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,500,000 |  |  |  |  |  |  |  |  |  |
Grand Gulf Sale-leaseback Renewal Complaint | System Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  | 11.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Refund of Lease Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,200,000
Remaining net book value of the leased assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 70,000,000
Rate reduction for ADIT associated with uncertain tax positions resulting from Grand Gulf sale-leaseback |  | 422,000,000 |  |  |  |  |  |  |  |  |  |  |  | 422,000,000 |  | $ 422,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Interest Portion of rate reduction for ADIT associated with uncertain tax positions resulting from Grand Gulf sale-leaseback |  | 139,000,000 |  |  |  |  |  |  |  |  |  |  |  | 139,000,000 |  | 139,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Refund related to depreciation expense adjustments |  | $ 19,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 19,000,000 |  | $ 19,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Unit Power Sales Agreement Complaint | System Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FERC staff recommended refund |  |  |  | $ 106,600,000 | $ 84,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New Orleans City Council Recommended Hypothetical Equity Ratio Prospectively |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48.15% | 48.15% |  |  |
New Orleans City Council Witness Recommended Refund |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 98,800,000 | $ 98,800,000 |  |  |
New Orleans City Council proposed refunds related to the money pool |  |  | 51,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LPSC estimated refund without interest |  |  | 286,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in the revenue requirement |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in revenue requirement - money pool credited through UPSA |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in revenue requirement for every $50M in refunds |  |  | 1,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of refunds ordered in a given year |  |  | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
System Energy Formula Rate Annual Protocols Formal Challenge | Entergy Mississippi [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of retail customers receiving bill credit |  | 460,000 |  |  |  |  |  |  |  |  |  |  |  | 460,000 |  | 460,000 |  |  |  |  |  |  |  |  |  |  |  |
System Energy Formula Rate Annual Protocols Formal Challenge | Entergy Mississippi [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of refunds ordered in a given year | 80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements | 235,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
System Energy Formula Rate Annual Protocols Formal Challenge | System Energy [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated financial impact |  |  |  |  |  | $ 53,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transmission Cost Recovery Factor Rider [Member] | Entergy Texas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  |  |  |  | $ 66,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue increase resulting from incremental revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,100,000 |  |  |  |  |  |  |  |
2022 Base Rate Case | Entergy Texas [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount | 131,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2022 Formula Rate Plan | Entergy Arkansas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,200,000 |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned return on common equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.38% |  |  |  |
2022 Formula Rate Plan | Entergy Arkansas [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Public Utilities, Requested Rate Increase (Decrease), Amount | 119,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 104,800,000 |  |  |  |  |  |  |
Public Utilities, Requested Return on Equity, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.40% |  |  |  |  |  |  |
Regulatory Asset [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduced proposed increase in revenue requirement to comply with annual revenue constraint | $ 79,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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