Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Average Coupon Rate of Debt Securities Percentage Average Coupon Rate of Debt Securities Percentage Average coupon rate of debt securities percentage. Debt Securities, Available-for-Sale Debt Securities, Available-for-Sale [Table Text Block] Schedule of Short-Term Debt [Table Text Block] Schedule of Short-Term Debt [Table Text Block] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Schedule of Expected Benefit Payments [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Variable Interest Entity [Domain] Variable Interest Entity [Domain] Variable Interest Entity [Domain] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Debt Securities [Member] Debt Securities [Member] 5.375% Series A Preferred Stock, Cumulative, No Par Value [Member] 5.375% Series A Preferred Stock, Cumulative, No Par Value [Member] 5.375% Series A Preferred Stock, Cumulative, No Par Value Adjustment to Compensation: Adjustment to Compensation [Axis] Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Forward Contract Indexed to Issuer's Equity, Type [Domain] Forward Contract Indexed to Issuer's Equity, Type [Domain] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Catastrophic Event [Axis] Catastrophic Event [Axis] Revenue from Contract with Customer [Text Block] Revenue from Contract with Customer [Text Block] Public Utilities Disclosure [Text Block] Public Utilities Disclosure [Text Block] Proceeds From Issuance Of [Abstract] Proceeds From Issuance Of [Abstract] Proceeds From Issuance Of. Payments of Ordinary Dividends, Preferred Stock and Preference Stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Public Utilities, Property, Plant and Equipment, Fuel Public Utilities, Property, Plant and Equipment, Fuel Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Formula rate plan historical year rate adjustment [Member] Formula rate plan historical year rate adjustment [Member] Formula rate plan historical year rate adjustment 2026 Formula Rate Plan Filing [Member] 2026 Formula Rate Plan Filing [Member] 2026 Formula Rate Plan Filing Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Plan [Member] Pension Plan [Member] Variable Interest Entity [Axis] Variable Interest Entity [Axis] Variable Interest Entity Securitized Regulatory Transition Assets, Noncurrent Securitized Regulatory Transition Assets, Noncurrent Employee Stock Option Share-Based Payment Arrangement, Option [Member] Allowance for Funds Used During Construction, Investing Activities Allowance for Funds Used During Construction, Investing Activities Deferred Fuel Costs, Current Liability Deferred Fuel Costs, Current Liability Carrying amount as of the balance sheet date of capitalized fuel costs of a regulated entity that are expected to be returned to customers through rate adjustments within one year. Antidilutive Securities [Axis] Antidilutive Securities [Axis] Dividends, Common Stock, Cash Dividends, Common Stock, Cash Dividends, Common Stock, Cash Equity, Attributable to Parent, Total Equity, Attributable to Parent Asset Impairment Charges Asset Impairment Charges Incremental annual revenues Incremental annual revenues Incremental annual revenues Other Comprehensive Income (Loss), Net of Tax [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common Stock, Shares Authorized Common Stock, Shares Authorized Uncommitted Credit Facility of $65 Million [Member] Uncommitted Credit Facility of $65 Million [Member] Uncommitted Credit Facility of $65 Million NYSE CHICAGO, INC. [Member] NYSE CHICAGO, INC. [Member] Percent of performance measure based on relative total shareholder return Percent of performance measure based on relative total shareholder return Percent of performance measure based on relative total shareholder return Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Interest Rate at Period End Customer Advances, Noncurrent Liabilities Customer Advances, Noncurrent Liabilities Customer Advances, Noncurrent Liabilities Cash and Cash Equivalents, Fair Value Disclosure Cash and Cash Equivalents, Fair Value Disclosure Maximum [Member] Maximum [Member] 4% Series mortgage bonds due June 2026 [Member] 4% Series mortgage bonds due June 2026 [Member] 4% Series mortgage bonds due June 2026 Subsidiaries’ Preferred Stock Value and Equity Attributable to Noncontrolling Interests Subsidiaries’ Preferred Stock Value and Equity Attributable to Noncontrolling Interests Subsidiaries’ Preferred Stock Value and Equity Attributable to Noncontrolling Interests Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest Facility 2 [Member] Facility 2 [Member] Facility 2 Debt Securities, Available-for-Sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Entergy Corporation [Member] Entergy Corporation [Member] Entergy Corporation [Member] Resilience Plan Cost Recovery Rider [Member] Resilience Plan Cost Recovery Rider [Member] Resilience Plan Cost Recovery Rider Restricted Stock [Member] Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Percent of performance measure based on environmental achievement measure Percent of performance measure based on environmental stewardship achievement measure Percent of performance measure based on environmental stewardship achievement measure Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Uncommitted Credit Facility of $125 Million [Member] Uncommitted Credit Facility of $125 Million [Member] Uncommitted Credit Facility of $125 Million VIE Notes Payable, 5.28% Series L due January 2029 [Member] VIE Notes Payable, 5.28% Series L due January 2029 [Member] VIE Notes Payable, 5.28% Series L due January 2029 Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount System Energy VIE [Member] System Energy VIE [Member] System Energy VIE Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Receipts from storm reserve escrow accounts Receipts from storm reserve escrow accounts The cash inflow associated with receipts from storm reserve escrow accounts Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from Issuance of Debt Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments [Member] Operating Segments [Member] Share-Based Payment Arrangement, Amount Capitalized Share-Based Payment Arrangement, Amount Capitalized Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Line of Credit Facility [Table] Line of Credit Facility [Table] Share-based Compensation Performance Measure [Axis] Share-based Compensation Performance Measure [Axis] Share-based Compensation Performance Measure [Axis] Letters of credit, type [Axis] Letters of credit, type [Axis] Letters of credit, type Equity [Line Items] Equity [Line Items] Equity [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Other Receivables Other Receivables Uncommitted Credit Facility of $100 Million [Member] Uncommitted Credit Facility of $100 Million [Member] Uncommitted Credit Facility of $100 Million Capital contribution from parent Capital contribution from parent Capital contribution from parent that is a source of financing Document Fiscal Period Focus Document Fiscal Period Focus 4.44% Series mortgage bonds due January 2026 [Member] 4.44% Series mortgage bonds due January 2026 [Member] 4.44% Series mortgage bonds due January 2026 Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Entergy Arkansas [Member] Entergy Arkansas [Member] Entergy Arkansas. Award Type Award Type [Axis] AR Searcy Partnership, LLC [Member] AR Searcy Partnership, LLC [Member] AR Searcy Partnership, LLC Sale Leaseback Transaction, Name [Domain] Sale Leaseback Transaction, Name [Domain] Trading Symbol Trading Symbol Member Units [Member] Member Units [Member] 3.5% Series mortgage bonds due April 2026 [Member] 3.5% Series mortgage bonds due April 2026 [Member] 3.5% Series mortgage bonds due April 2026 Entity Address, City or Town Entity Address, City or Town Credit Facility of $105 Million [Member] Credit Facility of $105 Million [Member] Credit Facility of $105 Million Public Utilities, Property, Plant and Equipment, Plant in Service, Total Public Utilities, Property, Plant and Equipment, Plant in Service Letters of credit, type [Domain] Letters of credit, type [Domain] Letters of credit, type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Proceeds from (Repayments of) Short-Term Debt Proceeds from (Repayments of) Short-Term Debt Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Other Restricted Assets, Current Other Restricted Assets, Current Changes in securitization account Changes in securitization account Changes in the account in which recoveries from customers through a transition charge are deposited and from which payments are made to service the securitization bonds issued by the entity's securitization company Equity Distribution Sales Agreement, Maximum Aggregate Gross Sales Price Equity Distribution Sales Agreement, Maximum Aggregate Gross Sales Price Equity Distribution Sales Agreement, Maximum Aggregate Gross Sales Price Entity Emerging Growth Company Entity Emerging Growth Company VIE Notes Payable, 5.54% Series O due May 2029 [Member] VIE Notes Payable, 5.54% Series O due May 2029 [Member] VIE Notes Payable, 5.54% Series O due May 2029 Regulatory liability for income taxes - net Regulatory liability for income taxes - net The regulatory noncurrent liability for income taxes as of the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Derivative, Gain (Loss) on Derivative, Net Derivative, Gain (Loss) on Derivative, Net Recommended reduction to requested rate increase Recommended reduction to requested rate increase Recommended reduction to requested rate increase Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Accretion Expense, Including Asset Retirement Obligations Accretion Expense, Including Asset Retirement Obligations Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative, Fair Value, Net [Abstract] Derivative, Fair Value, Net [Abstract] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current Increase (Decrease) in Customer advances - current Increase (Decrease) in Customer advances - current Increase (Decrease) in Customer advances - current Mortgage Bonds 4.875% Series Due September 2066 [Member] Mortgage Bonds 4.875% Series Due September 2066 [Member] Mortgage Bonds 4.875% Series Due September 2066 Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income Tax Expense (Benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Test Year [Domain] Test Year [Domain] Test Year [Domain] Payments to Acquire Investments to be Held in Decommissioning Trust Fund Payments to Acquire Investments to be Held in Decommissioning Trust Fund Earned rate of return on common equity Earned rate of return on common equity Earned rate of return on common equity Preferred Stock, Shares Issued Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Statement [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Credit Facility of $80 Million [Member] Credit Facility of $80 Million [Member] Credit Facility of $80 Million Preferred Stock Dividends, Income Statement Impact Preferred Stock Dividends, Income Statement Impact System Energy [Member] System Energy [Member] System Energy. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Public Utilities, Requested Rate Increase (Decrease), Amount Public Utilities, Requested Rate Increase (Decrease), Amount Public Utilities, Requested Rate Increase (Decrease), Amount Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Proceeds from Insurance Settlement, Investing Activities Proceeds from Insurance Settlement, Investing Activities Long-Term Investments, Total Long-Term Investments Mortgage Bonds 4.90% Series Due October 2066 [Member] Mortgage Bonds 4.90% Series Due October 2066 [Member] Mortgage Bonds 4.90% Series Due October 2066 Proceeds from Sale of Debt Securities, Available-for-Sale Proceeds from Sale of Debt Securities, Available-for-sale Proceeds from Sale of Debt Securities, Available-for-Sale Subsequent Event [Member] Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Power island equipment Power island equipment [Member] Power island equipment Derivative Liability, Subject to Master Netting Arrangement, before Offset Derivative Liability, Subject to Master Netting Arrangement, before Offset Derivative Liability, Subject to Master Netting Arrangement, before Offset Facility [Domain] Facility [Domain] Facility [Domain] Equity Components [Axis] Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Operation and Maintenance: Operating Costs and Expenses [Abstract] Number of Reportable Segments Number of Reportable Segments Basis points bandwidth above and below midpoint return on common equity Basis points bandwidth above and below midpoint return on common equity Basis points bandwidth above and below midpoint return on common equity Facility 1 [Member] Facility 1 [Member] Facility 1 Variable Interest Entity Disclosure [Text Block] Variable Interest Entity Disclosure [Text Block] Regulatory Liability, Noncurrent Regulatory Liability, Noncurrent Regulatory Liability, Noncurrent Entity Address, State or Province Entity Address, State or Province Dividends, Common Stock Dividends, Common Stock Liabilities, Current, Total Liabilities, Current Accumulated Deferred Investment Tax Credit Accumulated Deferred Investment Tax Credit Long-Term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Individual: Individual [Axis] Public Utilities, Approved Return on Equity, Percentage Public Utilities, Approved Return on Equity, Percentage Payments of Ordinary Dividends, Common Stock Payments of Ordinary Dividends, Common Stock Commitment and Contingencies [Table] Commitment and Contingencies [Table] Commitment and Contingencies Effect Of Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income [Line Items] Effect Of Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income [Line Items] Effect Of Derivative Instruments Not Designated As Hedging Instruments On The Consolidated Statements Of Income [Line Items] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Natural Gas, US Regulated [Member] Natural Gas, US Regulated [Member] Repayments of Long-Term Debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current 2026 Base Rate Case [Member] 2026 Base Rate Case [Member] 2026 Base Rate Case Catastrophic Event [Domain] Catastrophic Event [Domain] Percent of performance measure based on a reliability achievement measure Percent of performance measure based on a reliability achievement measure Percent of performance measure based on a reliability achievement measure Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Proceeds from Contributions from Parent Proceeds from Contributions from Parent Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Joint Targeted Interconnection Queue Cost Allocation Dispute [Member] Joint Targeted Interconnection Queue Cost Allocation Dispute [Member] Joint Targeted Interconnection Queue Cost Allocation Dispute Credit Facility of $400 Million [Member] Credit Facility of $400 Million [Member] Credit Facility of $400 Million Commercial Paper Commercial Paper Decommissioning Trust Fund [Text Block] Decommissioning Trust Fund [Text Block] Describes decommissioning trust assets. May include disclosures such as the purpose of the funds, funding requirements, regulatory authorities and related cost recovery aspects. Mortgage Bonds 5.0% Series Due December 2052 [Member] Mortgage Bonds 5.0% Series Due December 2052 [Member] Mortgage Bonds 5.0% Series Due December 2052 Other Assets, Noncurrent Other Assets, Noncurrent Customer [Domain] Customer [Domain] Interest Payable, Current Interest Payable, Current Central Index Key Entity Central Index Key PEO Name PEO Name Revenues Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Nonqualified Plan Nonqualified Plan [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Temporary Equity, Carrying Amount, Attributable to Parent Temporary Equity, Carrying Amount, Attributable to Parent Estimate of proposed MISO cost assignment charges Estimate of proposed MISO cost assignment charges Estimate of proposed MISO cost assignment charges Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Common Stock, No Par Value Common Stock, No Par Value Subsequent Event Type [Axis] Subsequent Event Type [Axis] Long-Term Debt, Excluding Current Maturities Long-Term Debt, Excluding Current Maturities Nonrelated Party [Member] Nonrelated Party [Member] Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Billed Retail [Member] Billed Retail [Member] Billed Retail [Member] Qualified Plan Qualified Plan [Member] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information. Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One VIE Notes Payable, 5.28% Series P due July 2031 [Member] VIE Notes Payable, 5.28% Series P due July 2031 [Member] VIE Notes Payable, 5.28% Series P due July 2031 AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Facility [Axis] Facility [Axis] Facility Uncommitted Credit Facility of $60 Million [Member] Uncommitted Credit Facility of $60 Million [Member] Uncommitted Credit Facility of $60 Million Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Long-Term Debt Instruments [Table Text Block] Schedule of Long-Term Debt Instruments [Table Text Block] Statement [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Costs and Expenses, Total Costs and Expenses Sale Leaseback Transaction, Description [Axis] Sale Leaseback Transaction, Description [Axis] Restoration Law Trust I [Member] Restoration Law Trust I [Member] Restoration Law Trust I Deferred Income Taxes and Other Tax Liabilities, Noncurrent Deferred Income Taxes and Other Tax Liabilities, Noncurrent Document Quarterly Report Document Quarterly Report Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Deferred Income Taxes and Tax Credits Deferred Income Taxes and Tax Credits Long-Term Debt, Fair Value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Public Utilities, Requested Return on Equity, Percentage Public Utilities, Requested Return on Equity, Percentage Tax credit type [Domain] Tax credit type [Domain] Tax credit type [Domain] Dividends Paid [Abstract] Dividends Paid [Abstract] Dividends Paid. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block] Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block] Schedule of reclassifications out of accumulated other comprehensive income Non-PEO NEO Non-PEO NEO [Member] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Forward Contract Indexed to Equity, Settlement, Number of Shares Forward Contract Indexed to Equity, Settlement, Number of Shares Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] All Award Types Award Type [Domain] Statement of Other Comprehensive Income [Abstract] Equity, Attributable to Noncontrolling Interest Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of nuclear fuel company VIE credit facilities [Abstract] Schedule of nuclear fuel company VIE credit facilities [Abstract] Schedule of nuclear fuel company VIE credit facilities Deferred Credits and Other Liabilities Deferred Credits and Other Liabilities Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] VIE Notes Payable, 5.94% Series J due September 2026 [Member] VIE Notes Payable, 5.94% Series J due September 2026 [Member] VIE Notes Payable, 5.94% Series J due September 2026 Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Retirement Plan Type [Domain] Retirement Plan Type [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Distribution Cost Recovery Factor Rider [Member] Distribution Cost Recovery Factor Rider [Member] Distribution Cost Recovery Factor Rider [Member] Revenues [Abstract] Revenues [Abstract] Increase (Decrease) in Deferred Fuel Costs Increase (Decrease) in Deferred Fuel Costs Increase (Decrease) in Deferred Fuel Costs Sales for Resale [Member] Sales for Resale [Member] Sales for Resale [Member] Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Equity Forward Sale Agreements [Member] Equity Forward Sale Agreements [Member] Equity Forward Sale Agreements Financial Instruments [Domain] Financial Instruments [Domain] Proceeds from Nuclear Fuel Proceeds from Nuclear Fuel Nuclear Refueling Outage Expenses Nuclear Refueling Outage Expenses Amortization of costs deferred during nuclear refueling outages over the estimated period to the next outage because these refueling outage expenses are incurred to prepare the units to operate for the next operating cycle without having to be taken off line. Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 20 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 20 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 20 Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Deferred Debits And Other Assets [Abstract] Deferred Debits And Other Assets [Abstract] Deferred Debits And Other Assets Abstract. Minimum [Member] Minimum [Member] Repayments of Notes Payable Repayments of Notes Payable Repayments of Notes Payable Company Selected Measure Name Company Selected Measure Name 5.91% Series mortgage bonds due June 2036 [Member] 5.91% Series mortgage bonds due June 2036 [Member] 5.91% Series mortgage bonds due June 2036 Credit Facility of $120 Million [Member] Credit Facility of $120 Million [Member] Credit Facility of $120 Million Debt Disclosure [Text Block] Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts Payable, Current Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Public Utilities, Property, Plant and Equipment, Generation or Processing Public Utilities, Property, Plant and Equipment, Generation or Processing Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Short term borrowings, outstanding Short term borrowings, outstanding Short term borrowings, outstanding Entity Small Business Entity Small Business Payments of Stock Issuance Costs Payments of Stock Issuance Costs Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Restoration Law Trust II [Member] Restoration Law Trust II [Member] Restoration Law Trust II Governmental [Member] Governmental [Member] Governmental [Member] Document Transition Report Document Transition Report Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Underlying Securities Award Underlying Securities Amount Debt Securities, Available-for-Sale, Realized Gain Debt Securities, Available-for-Sale, Realized Gain Asset Recovery Damaged Property Costs, Noncurrent Asset Recovery Damaged Property Costs, Noncurrent Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Natural Gas Swaps and Options [Member] Natural Gas Swaps and Options [Member] Natural Gas Swaps and Options Non-MISO [Member] Non-MISO [Member] Non-MISO Proceeds from Decommissioning Trust Fund Assets Proceeds from Decommissioning Trust Fund Assets Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Solar photovoltaic array [Member] Solar photovoltaic array [Member] Solar photovoltaic array Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract] Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract] Generation Capacity Generation Capacity Generation Capacity Equity, Including Portion Attributable to Noncontrolling Interest, Total Equity, Including Portion Attributable to Noncontrolling Interest Equity, Including Portion Attributable to Noncontrolling Interest Long-Term Transition Bond, Noncurrent Long-Term Transition Bond, Noncurrent Requested Energy Cost Recovery Rider Rate Per kWh Requested Energy Cost Recovery Rider Rate Per kWh Requested Energy Cost Recovery Rider Rate Per kWh Document Type Document Type Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Name Outstanding Recovery, Individual Name Additional Paid in Capital Additional Paid in Capital Accounts and Other Receivables, Net, Current Accounts and Other Receivables, Net, Current Product and Service [Axis] Product and Service [Axis] Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax Public Utilities, Property, Plant and Equipment, Accumulated Depreciation Public Utilities, Property, Plant and Equipment, Accumulated Depreciation Amortization of tax gross-up on customer advances Amortization of tax gross-up on customer advances Amortization of tax gross-up on customer advances Assets, Current, Total Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Payment for Advance for Construction, Financing Activity Payment for Advance for Construction, Financing Activity Financial transmission rights [Member] Financial transmission rights [Member] Financial transmission rights Electricity, US Regulated [Member] Electricity, US Regulated [Member] Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Loss Contingency Accrual Loss Contingency Accrual Regulatory Asset [Domain] Regulatory Asset [Domain] Entergy Louisiana River Bend VIE [Member] Entergy Louisiana River Bend VIE [Member] Entergy Louisiana River Bend VIE [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net Income (Loss) Available to Common Stockholders, Basic, Total Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Liabilities, Current [Abstract] Liabilities, Current [Abstract] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Long-Term Line of Credit Long-Term Line of Credit Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Earnings Per Share, Diluted Earnings Per Share, Diluted Earnings Per Share, Diluted Commercial Paper program limit Commercial Paper program limit Commercial Paper program limit Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Increase (Decrease) in Fuel Inventories Increase (Decrease) in Fuel Inventories Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Schedule of Realized Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share Dividends, Preferred Stock, Cash Dividends, Preferred Stock, Cash Treasury Stock, Common, Shares Treasury Stock, Common, Shares Consolidation Items [Domain] Consolidation Items [Domain] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Decrease (increase) in other investments Decrease (increase) in other investments Decrease (increase) in other investments Public Utilities General Disclosures [Table] Public Utilities General Disclosures [Table] Regulatory Liability [Domain] Regulatory Liability [Domain] Stockholders' Equity, Other Stockholders' Equity, Other Public Utilities, Property, Plant and Equipment, Net [Abstract] Public Utilities, Property, Plant and Equipment, Net [Abstract] Schedule of Forward Sales Agreements Settled - Equity Distribution Program [Table Text Block] Schedule of Forward Sales Agreements Settled - Equity Distribution Program [Table Text Block] Schedule of Forward Sales Agreements Settled - Equity Distribution Program Income Taxes Paid, Net Income Taxes Paid, Net Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Short Term Borrowings And The Outstanding Short Term Borrowings Abstract Short Term Borrowings And The Outstanding Short Term Borrowings Abstract Short-term borrowings and the outstanding short-term borrowings. Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Prepayments And Other [Member] Prepayments And Other [Member] Prepayments and other Member. Statement [Table] Federal Income Tax Note [Table] Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Proceeds from Sale of Treasury Stock Proceeds from Sale of Treasury Stock Equity Securities, FV-NI, Unrealized Gain (Loss) Equity Securities, FV-NI, Unrealized Gain (Loss) Earned return on rate base Earned return on rate base Earned return on rate base Property, Plant and Equipment, Net Property, Plant and Equipment, Net Forward Sale Agreement, Forward Sellers Fees Forward Sale Agreement, Forward Sellers Fees Forward Sale Agreement, Forward Sellers Fees Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Capacity Cost Recovery Rider [Domain] Capacity Cost Recovery Rider [Domain] Capacity Cost Recovery Rider Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Equity Offering [Member] Equity Offering [Member] Equity Offering Transaction [Domain] Transaction [Domain] Financial Instrument [Axis] Financial Instrument [Axis] Derivative Liability, Subject to Master Netting Arrangement, after Offset Derivative Liability, Subject to Master Netting Arrangement, after Offset Short Term and Long Term Debt [Table] Short Term and Long Term Debt [Table] Short Term and Long Term Debt Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Asset Retirement Obligations, Noncurrent Asset Retirement Obligations, Noncurrent Repayments of Debt Repayments of Debt Proceeds from Issuance of Long-Term Debt Proceeds from Issuance of Long-Term Debt Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Deferred Fuel Cost, Noncurrent Deferred Fuel Cost, Noncurrent Carrying amount as of the balance sheet date of capitalized fuel costs of a regulated entity that are not expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer. Average Dilutive Effect Of Other Equity Plans Per Share Average Dilutive Effect Of Other Equity Plans Per Share Average Dilutive Effect Of Other Equity Plans Per Share Tax credit type [Axis] Tax credit type [Axis] Tax credit type Derivative Liability Liabilities, Fair Value Disclosure on Recurring Basis Derivative Liability Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Average Maturity of Debt Securities, Years Average Maturity of Debt Securities, Years Average Maturity of Debt Securities, Years Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Winter Storm Fern [Member] Winter Storm Fern [Member] Winter Storm Fern Forward Contract Indexed to Equity, Settlement, Cash, Amount Forward Contract Indexed to Equity, Settlement, Cash, Amount Phase One Investment in Resilience Plan, Requested Phase One Investment in Resilience Plan, Requested Phase One Investment in Resilience Plan, Requested Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 15 Through 20 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 15 Through 20 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 15 Through 20 Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Public Utilities, Property, Plant and Equipment, Electric Public Utilities, Property, Plant and Equipment, Electric Period end book value of electric property, plant and equipment (PPE) owned by the public utility. Measure: Measure [Axis] Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses Utilities Operating Expense, Maintenance, Operations, and Other Costs and Expenses Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Forward Contract Indexed to Issuer's Equity, Shares Forward Contract Indexed to Issuer's Equity, Shares Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Derivative Asset, Subject to Master Netting Arrangement, after Offset Derivative Asset, Subject to Master Netting Arrangement, after Offset Notes Payable, Noncurrent [Abstract] Notes Payable, Noncurrent [Abstract] Entity Tax Identification Number Entity Tax Identification Number Cash Paid Received During Period For [Abstract] Cash Paid Received During Period For [Abstract] Cash Paid Received During Period For. Increase (Decrease) in Other Regulatory Assets Increase (Decrease) in Other Regulatory Assets Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract] Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract] Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow. Deferred Nuclear Refueling Outage Costs Deferred Nuclear Refueling Outage Costs Costs deferred during a nuclear refueling outage and amortized over the estimated period to the next outage because these refueling outage expenses are incurred to prepare the units to operate for the next operating cycle without having to be taken off line. Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Debt Securities, Available-for-Sale, Unrealized Loss Debt Securities, Available-for-Sale, Unrealized Loss Energy Cost Recovery Rider Rate Per kWh Energy Cost Recovery Rider Rate Per kWh Energy Cost Recovery Rider Rate Per kWh Common Stock, Shares, Issued Common Stock, Shares, Issued Derivative Asset, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Regulatory Liability Regulatory Liability Derivatives Not Designated as Hedging Instruments [Table Text Block] Derivatives Not Designated as Hedging Instruments [Table Text Block] Interest Expense, Nonoperating, Total Interest Expense, Nonoperating Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Average Duration of Debt Securities in Years Average Duration of Debt Securities in Years Average Duration of Debt Securities in Years Security Exchange Name Security Exchange Name Liabilities, Noncurrent, Total Liabilities, Noncurrent Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract] Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract] Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Entergy Arkansas VIE [Member] Entergy Arkansas VIE [Member] Entergy Arkansas VIE Operating Expenses [Abstract] Operating Expenses [Abstract] Other Liabilities, Current Other Liabilities, Current Generation Cost Recovery Factor Rider [Member] Generation Cost Recovery Factor Rider [Member] Generation Cost Recovery Factor Rider Asset Class [Domain] Asset Class [Domain] Line of Credit Facility, Interest Rate During Period Line of Credit Facility, Interest Rate During Period Liability, Defined Benefit Plan, Noncurrent Liability, Defined Benefit Plan, Noncurrent Tax Equity Partnership [Axis] Tax Equity Partnership [Axis] Tax Equity Partnership Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and Cash Equivalent, Total Cash and Cash Equivalent Settlement Charge [Axis] Settlement Charge [Axis] Settlement Charge Accounts Receivable [Abstract] Accounts Receivable [Abstract] Accounts Receivable. Ownership Interest in Partnership, Carrying Value Ownership Interest in Partnership, Carrying Value Ownership Interest in Partnership, Carrying Value Common Stock [Member] Common Stock [Member] Uncommitted Credit Facility of $1 Million [Member] Uncommitted Credit Facility of $1 Million [Member] Uncommitted Credit Facility of $1 Million Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Notes Payable, Current Notes Payable, Current Statistical Measurement [Domain] Statistical Measurement [Domain] Asset Class [Axis] Asset Class [Axis] Interest Rate Swap Interest Rate Swap [Member] Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value Industrial [Member] Industrial [Member] Industrial [Member] Other Regulatory Charges (Credits) - Net Other Regulatory Charges (Credits) - Net Other Regulatory Charges (Credits) - Net Other Regulatory Charges (Credits) - Net Increase (Decrease) in Accounts Payable Increase (Decrease) in Accounts Payable Equity Distribution Program [Member] Equity Distribution Program [Member] Equity Distribution Program Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] 4.90% Series mortgage bonds due April 2036 [Member] 4.90% Series mortgage bonds due April 2036 [Member] 4.90% Series mortgage bonds due April 2036 Earnings Per Share, Basic Earnings Per Share, Basic Earnings Per Share, Basic Schedule of Line of Credit Facilities [Table Text Block] Schedule of Line of Credit Facilities [Table Text Block] Commercial Paper [Member] Commercial Paper [Member] Liabilities, Fair Value Disclosure [Abstract] Liabilities, Fair Value Disclosure [Abstract] Long-Term Purchase Commitment, Minimum Quantity Required Long-Term Purchase Commitment, Minimum Quantity Required Other Comprehensive Income (Loss), Net of Tax, Total Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Unbilled Receivables, Current Unbilled Receivables, Current Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Short-Term Debt Short-Term Debt Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Amount Other Electric [Member] Other Electric [Member] Other Electric [Member] Affiliated Entity [Member] Affiliated Entity [Member] LURC's beneficial interest in the storm trust, percentage LURC's beneficial interest in the storm trust, percentage LURC's beneficial interest in the storm trust, percentage Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Proceeds from Sale of Productive Assets Proceeds from Sale of Productive Assets Category of Item Purchased [Axis] Category of Item Purchased [Axis] Share-Based Payment Arrangement, Expense Share-Based Payment Arrangement, Expense Public Utilities, Regulatory Proceeding [Domain] Public Utilities, Regulatory Proceeding [Domain] Hedging Designation [Domain] Hedging Designation [Domain] Vegetation Management Rider [Member] Vegetation Management Rider [Member] Vegetation Management Rider Assets, Current [Abstract] Assets, Current [Abstract] Liabilities and Equity, Total Liabilities and Equity Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Litigation proceeds for reimbursement of spent nuclear fuel storage costs, Investing Activities Litigation proceeds for reimbursement of spent nuclear fuel storage costs, Investing Activities Litigation proceeds for reimbursement of spent nuclear fuel storage costs. Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Common equity distributions Common equity distributions Amount of common equity distribution paid to member of limited liability company (LLC). Segment, Expenditure, Addition to Long-Lived Assets Segment, Expenditure, Addition to Long-Lived Assets Arkansas Cypress Solar [Member] Arkansas Cypress Solar [Member] Arkansas Cypress Solar Forward Contracts [Member] Forward Contracts [Member] Treasury Stock, Common [Member] Treasury Stock, Common [Member] Pay vs Performance Disclosure [Line Items] Mortgage Bonds5.50% Series Due April 2066 [Member] Mortgage Bonds5.50% Series Due April 2066 [Member] Mortgage Bonds5.50% Series Due April 2066 Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Long-Term Debt, Current Maturities Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Employer Cash Cash Cash Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of nuclear fuel company VIE notes payable [Table Text Block] Schedule of nuclear fuel company VIE notes payable [Table Text Block] Schedule of nuclear fuel company VIE notes payable Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Preferred dividend requirements of subsidiaries and net income (loss) attributable to noncontrolling interests Preferred dividend requirements of subsidiaries and net income (loss) attributable to noncontrolling interests The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders; and net income (loss) attributable to noncontrolling interest Commitments and Contingencies [Line Items] Commitments and Contingencies [Line Items] Commitments and Contingencies Increase (Decrease) in Accrued Taxes Payable Increase (Decrease) in Accrued Taxes Payable Long-Term Debt Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Assets, Total Assets Assets Pension Plan Classification [Domain] Pension Plan Classification [Domain] Pension Plan Classification [Domain] Proposed surcharge recovery amount Proposed surcharge recovery amount Proposed surcharge recovery amount Long Term Performance Unit [Member] Long Term Performance Unit [Member] Long Term Performance Unit Regulatory Liability [Axis] Regulatory Liability [Axis] 5.20% Series mortgage bonds due June 2036 [Member] 5.20% Series mortgage bonds due June 2036 [Member] 5.20% Series mortgage bonds due June 2036 Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Segment Reporting, Other Segment Item, Amount Segment Reporting, Other Segment Item, Amount Pension Plan Classification [Axis] Pension Plan Classification [Axis] Pension Plan Classification Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Notes Payable, Noncurrent Notes Payable, Noncurrent Assets, Fair Value Disclosure [Abstract] Assets, Fair Value Disclosure [Abstract] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Public Utilities, Interim Rate Increase (Decrease), Amount Public Utilities, Interim Rate Increase (Decrease), Amount Public Utilities, Inventory Public Utilities, Inventory Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Entergy Texas [Member] Entergy Texas [Member] Entergy Texas. Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Investments Classified by Contractual Maturity Date [Table Text Block] Investments Classified by Contractual Maturity Date [Table Text Block] Deferred Costs and Other Assets Deferred Costs and Other Assets Corporate Segment and Other Operating Segment [Member] Corporate Segment and Other Operating Segment [Member] Retained Earnings [Member] Retained Earnings [Member] Provision for Other Losses Provision for Other Losses Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Payment Arrangement [Abstract] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative Asset Derivative Asset Customer Advances, Current Liabilities Customer Advances, Current Liabilities Customer Advances, Current Liabilities Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Taxes Payable, Current Taxes Payable, Current Uncommitted Credit Facility of $160 Million [Member] Uncommitted Credit Facility of $160 Million [Member] Uncommitted Credit Facility of $160 Million Increase (Decrease) in Interest Payable, Net Increase (Decrease) in Interest Payable, Net Product and Service [Domain] Product and Service [Domain] Resilience Rider Over-Recovery [Member] Resilience Rider Over-Recovery [Member] Resilience Rider Over-Recovery MS Sunflower Partnership, LLC [Member] MS Sunflower Partnership, LLC [Member] MS Sunflower Partnership, LLC Total volume outstanding Total volume outstanding Total volume outstanding Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure Derivative, Notional Amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Payments to Acquire Other Productive Assets Payments to Acquire Other Productive Assets Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity Contract with Customer, Refund Liability, Current Contract with Customer, Refund Liability, Current Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Commitments and Contingencies [Table] Commitments and Contingencies [Table] Commitments and Contingencies Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of nuclear fuel company VIE credit facilities [Table Text Block] Schedule of nuclear fuel company VIE credit facilities [Table Text Block] Schedule of nuclear fuel company VIE credit facilities Consolidated debt ratio of lessees total capitalization Consolidated debt ratio of lessees total capitalization Consolidated debt ratio of lessees total capitalization Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Amortization of Gain (Loss) Goodwill Goodwill Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Member] Customer advances for construction, noncurrent Customer advances for construction, noncurrent Customer advances for construction, noncurrent Forward Sale Agreement, Gross Sales Price Forward Sale Agreement, Gross Sales Price Forward Sale Agreement, Gross Sales Price Public Utilities, Property, Plant and Equipment, Construction Work in Progress Public Utilities, Property, Plant and Equipment, Construction Work in Progress Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Debt Securities, Available-for-Sale, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Other Performance Measure, Amount Other Performance Measure, Amount VIE Notes Payable, 2.51% Series V Due June 2027 [Member] VIE Notes Payable, 2.51% Series V Due June 2027 [Member] VIE Notes Payable, 2.51% Series V due June 2027 Commercial [Member] Commercial [Member] Commercial [Member] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Derivative Instrument [Axis] Derivative Instrument [Axis] Uncommitted Credit Facility of $150 Million [Member] Uncommitted Credit Facility of $150 Million [Member] Uncommitted Credit Facility of $150 Million Entity [Domain] Entity [Domain] Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest Paid, Excluding Capitalized Interest, Operating Activity Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Credit Facility of $25 Million [Member] Credit Facility of $25 Million [Member] Credit Facility of $25 Million Plan Name [Domain] Plan Name [Domain] Equity [Abstract] Equity [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Increase (Decrease) in Regulatory Liabilities Increase (Decrease) in Regulatory Liabilities Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Decommissioning Trust Funds (Textual) [Abstract] Decommissioning Trust Funds (Textual) [Abstract] Decommissioning Trust Funds. Potential surcharges due from Entergy Texas to Entergy Louisiana Potential surcharges due from Entergy Texas to Entergy Louisiana Potential surcharges due from Entergy Texas to Entergy Louisiana Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net Exchange [Domain] Exchange [Domain] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Authorized Short Term Borrowings Authorized Short Term Borrowings Authorized Short Term Borrowings Authorized short-term borrowings. Energy Related Inventory Energy Related Inventory Settlement Charge [Domain] Settlement Charge [Domain] Settlement Charge [Domain] Arrangement Duration Trading Arrangement Duration Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Segments [Axis] Segments [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Accounts Receivable, before Allowance for Credit Loss, Current Accounts Receivable, before Allowance for Credit Loss, Current Payment for (Proceeds from) Other Investing Activity Payment for (Proceeds from) Other Investing Activity Payment for (Proceeds from) Other Investing Activity Payment for (Proceeds from) Other Investing Activity Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Share-Based Payment Arrangement [Text Block] Share-Based Payment Arrangement [Text Block] Forward Contract Indexed to Issuer's Equity, Type [Axis] Forward Contract Indexed to Issuer's Equity, Type [Axis] Credit Facility of $300 Million [Member] Credit Facility of $300 Million [Member] Credit Facility of $300 Million Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Generating Arkansas Jobs Act Rider [Member] Generating Arkansas Jobs Act Rider [Member] Generating Arkansas Jobs Act Rider Retirement Benefits [Text Block] Retirement Benefits [Text Block] Redemption of preferred membership interests of affiliate Redemption of preferred membership interests of affiliate Redemption of preferred membership interests of affiliate Credit Facility [Domain] Credit Facility [Domain] Public Utilities, Allowance for Funds Used During Construction, Additions Public Utilities, Allowance for Funds Used During Construction, Additions Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Other Long-Term Investments Other Long-Term Investments Test Year [Axis] Test Year [Axis] Test Year Derivative Asset, Subject to Master Netting Arrangement, before Offset Derivative Asset, Subject to Master Netting Arrangement, before Offset Derivative Asset, Subject to Master Netting Arrangement, before Offset Depreciation, Amortization and Accretion, Net Depreciation, Amortization and Accretion, Net Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Taxes, Other Taxes, Other Share-Based Payment Arrangement, Additional Disclosure [Abstract] Share-Based Payment Arrangement, Additional Disclosure [Abstract] NEW YORK STOCK EXCHANGE, INC. [Member] NEW YORK STOCK EXCHANGE, INC. [Member] Regulated Operations [Abstract] Regulated Operations [Abstract] 4.95% Series mortgage bonds due January 2036 [Member] 4.95% Series mortgage bonds due January 2036 [Member] 4.95% Series mortgage bonds due January 2036 Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Assets, Fair Value Disclosure Assets, Fair Value Disclosure Regulatory Asset [Abstract] Regulatory Asset [Abstract] Ratio of Indebtedness to Net Capital Ratio of Indebtedness to Net Capital Equity [Table] Equity [Table] Equity Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Defined Benefit Plan, Interest Cost Defined Benefit Plan, Interest Cost Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value VIE Notes Payable, 2.05% Series K due September 2027 [Member] VIE Notes Payable, 2.05% Series K due September 2027 [Member] VIE Notes Payable, 2.05% Series K due September 2027 Restatement Determination Date: Restatement Determination Date [Axis] Performance measure based on the environmental achievement measure [Member] Performance measure based on the environmental achievement measure [Member] Performance measure based on the environmental achievement measure Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Performance measure based on relative total shareholder return [Member] Performance measure based on relative total shareholder return [Member] Performance measure based on relative total shareholder return [Member] Members' Equity Members' Equity Pension and other postretirement plans [Member] Pension and other postretirement plans [Member] Pension and other postretirement plans Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Proceeds from (Payment for) Other Financing Activity Proceeds from (Payment for) Other Financing Activity Proceeds from (Payment for) Other Financing Activity Interest Expense, Debt Interest Expense, Debt Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Regulatory Asset [Axis] Regulatory Asset [Axis] Name Trading Arrangement, Individual Name Earned return on equity Earned return on equity Earned return on equity Stock Issued During Period, Value, Other Stock Issued During Period, Value, Other Short-Term Debt [Table] Short-Term Debt [Table] Natural Gas Swaps Natural Gas Swaps [Member] Natural Gas Swaps 5.65% Series mortgage bonds due April 2056 [Member] 5.65% Series mortgage bonds due April 2056 [Member] 5.65% Series mortgage bonds due April 2056 Schedule of Forward Sales Agreements Settled [Table Text Block] Schedule of Forward Sales Agreements Settled [Table Text Block] Schedule of Forward Sales Agreements Settled Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Phase One Investment in Resilience Plan Phase One Investment in Resilience Plan Phase One Investment in Resilience Plan Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value Redeemable Noncontrolling Interest, Equity, Preferred, Fair Value Preferred Stock [Member] Preferred Stock [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Regulatory Asset, Noncurrent Regulatory Asset, Noncurrent Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included as Regulatory Liability/Asset Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset/(Liability), Gain (Loss) Included as Regulatory Liability/Asset Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset/(Liability), Gain (Loss) Included as Regulatory Liability/Asset Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value Stock Issued During Period, Shares, Treasury Stock Reissued Stock Issued During Period, Shares, Treasury Stock Reissued Treasury Stock, Value Treasury Stock, Value Common Shareholders Equity [Abstract] Common Shareholders Equity [Abstract] Common Shareholders Equity. Share-based Compensation Performance Measure [Domain] Share-based Compensation Performance Measure [Domain] [Domain] for Share-based Compensation Performance Measure [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Liability Class [Axis] Liability Class [Axis] Litigation Case [Axis] Litigation Case [Axis] Segments [Domain] Segments [Domain] Line of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Decommissioning Fund Investments Decommissioning Fund Investments Decommissioning Fund Investments Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Assets, Noncurrent [Abstract] Assets, Noncurrent [Abstract] Interest Expense, Operating and Nonoperating [Abstract] Interest Expense, Operating and Nonoperating [Abstract] Transmission Cost Recovery Factor Rider [Member] Transmission Cost Recovery Factor Rider [Member] Transmission Cost Recovery Factor Rider [Member] River Bend Deregulated Asset Plan Filing [Member] River Bend Deregulated Asset Plan Filing [Member] River Bend Deregulated Asset Plan Filing Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Preferred Stock, Value, Issued Preferred Stock, Value, Issued Increase (Decrease) in Customer advances - non-current Increase (Decrease) in Customer advances - non-current Increase (Decrease) in Customer advances - non-current All Executive Categories All Executive Categories [Member] Common Stock, Value, Issued Common Stock, Value, Issued Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Commitments and Contingencies Commitments and Contingencies Other Deferred Debits And Other Assets [Member] Other Deferred Debits And Other Assets [Member] Other deferred debits and other assets member. MISO [Member] MISO [Member] MISO Entergy Mississippi [Member] Entergy Mississippi [Member] Entergy Mississippi. 2025 Formula Rate Plan Filing [Member] 2025 Formula Rate Plan Filing [Member] 2025 Formula Rate Plan Filing Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] State Effective Income Tax Rate, Percent State Effective Income Tax Rate, Percent Percent of domestic statutory tax rate of respective state applicable to pretax income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Combustion turbine [Member] Combustion turbine [Member] Combustion turbine Noncontrolling Interest [Member] Noncontrolling Interest [Member] Long-Term Purchase Commitment, Milestones Long-Term Purchase Commitment, Milestones Short-Term Debt [Line Items] Short-Term Debt [Line Items] Changes In Working Capital [Abstract] Changes In Working Capital [Abstract] Changes In Working Capital. PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Average Dilutive Effect Of Stock Options Per Share Average Dilutive Effect Of Stock Options Per Share Average dilutive effect of stock options per share. Grand Gulf [Member] Grand Gulf [Member] Grand Gulf Member. Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] 5.05% Series mortgage bonds due April 2036 [Member] 5.05% Series mortgage bonds due April 2036 [Member] 5.05% Series mortgage bonds due April 2036 Residential [Member] Residential [Member] Residential [Member] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Utilities Operating Expense, Purchased Power Utilities Operating Expense, Purchased Power Derivative Contract [Domain] Derivative Contract [Domain] Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Debt Securities, Available-for-Sale, Realized Loss Debt Securities, Available-for-Sale, Realized Loss All Individuals All Individuals [Member] Customer [Member] Customer [Member] Customer Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entergy Finance Company [Member] Entergy Finance Company [Member] Entergy Finance Company Increase (Decrease) in Receivables Increase (Decrease) in Receivables Payments to Acquire Property, Plant, and Equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Schedule of Forward Sales Agreements [Table Text Block] Schedule of Forward Sales Agreements [Table Text Block] Schedule of Forward Sales Agreements Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Through 15 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Through 15 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Through 15 Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Historical Increase in Formula Rate Plan Revenues Historical Increase in Formula Rate Plan Revenues Historical Increase in Formula Rate Plan Revenues Disposal Group Classification [Axis] Disposal Group Classification [Axis] Reclassification out of Accumulated Other Comprehensive Income [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Annual revenue constraint percentage Annual revenue constraint percentage Annual revenue constraint percentage Payments for Nuclear Fuel Payments for Nuclear Fuel Transaction Type [Axis] Transaction Type [Axis] Increase (Decrease) in Other Operating Assets and Liabilities, Net Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] VIE Notes Payable, 1.84% Series N due July 2026 [Member] VIE Notes Payable, 1.84% Series N due July 2026 [Member] VIE Notes Payable, 1.84% Series N due July 2026 Preferred Stock, No Par Value Preferred Stock, No Par Value Utility [Member] Utility [Member] Utility Member. Tax Equity Partnership [Domain] Tax Equity Partnership [Domain] Tax Equity Partnership [Domain] Utilities Operating Expense, Fuel Used Utilities Operating Expense, Fuel Used Utilities Operating Expense, Fuel Used Cost, Depreciation and Amortization Cost, Depreciation and Amortization Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year Earnings Per Share [Abstract] Earnings Per Share [Abstract] Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity Nonoperating Income (Expense), Total Nonoperating Income (Expense) Debt Securities, Available-for-Sale, Unrealized Gain Debt Securities, Available-for-Sale, Unrealized Gain Entergy New Orleans [Member] Entergy New Orleans [Member] Entergy New Orleans. Other Equity Awards [Member] Other Equity Awards [Member] Other Equity Awards [Member] Change in money pool receivable - net Change in money pool receivable - net Change in money pool receivable - net. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Entergy Louisiana Waterford VIE [Member] Entergy Louisiana Waterford VIE [Member] Entergy Louisiana Waterford VIE [Member] Award Timing Disclosures [Line Items] Energy Cost Recovery Rider [Member] Energy Cost Recovery Rider [Member] Energy Cost Recovery Rider Defined Benefit Plan, Service Cost Defined Benefit Plan, Service Cost Defined Benefit Plan, Service Cost Uncommitted Credit Facility of $200 Million [Member] Uncommitted Credit Facility of $200 Million [Member] Uncommitted Credit Facility of $200 Million Equity [Text Block] Equity [Text Block] Subsidiaries Preferred Stock and Noncontrolling Interests [Member] Subsidiaries Preferred Stock and Noncontrolling Interests [Member] Subsidiaries Preferred Stock and Noncontrolling Interests Net Income (Loss) Attributable to Parent, Total Net Income (Loss) Attributable to Parent Liabilities, Noncurrent [Abstract] Liabilities, Noncurrent [Abstract] Public Utilities, Property, Plant and Equipment, Net, Total Public Utilities, Property, Plant and Equipment, Net Public Utilities, Property, Plant and Equipment, Net Change in money pool payable - net Change in money pool payable - net Change in money pool payable - net Netting Adjustment Netting Adjustment Netting Adjustment Revenue Not from Contract with Customer Revenue Not from Contract with Customer Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] 2025 Test Year [Member] 2025 Test Year [Member] 2025 Test Year Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Consolidation, Eliminations Consolidation, Eliminations [Member] Customer [Axis] Customer [Axis] Resilience Rider Under-Recovery [Member] Resilience Rider Under-Recovery [Member] Resilience Rider Under-Recovery Operating Income (Loss), Total Operating Income (Loss) Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit) Decommissioning Fund Investments, Fair Value Decommissioning Fund Investments, Fair Value Derivative, Remaining Maturity Derivative, Remaining Maturity Average Dilutive Effect Of Equity Forwards Per Share Average Dilutive Effect Of Equity Forwards Per Share Average Dilutive Effect Of Equity Forwards Per Share Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Request for Extension of Formula Rate Plan [Member] Request for Extension of Formula Rate Plan [Member] Request for Extension of Formula Rate Plan 2019 Omnibus Incentive Plan [Member] 2019 Omnibus Incentive Plan [Member] 2019 Omnibus Incentive Plan All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Share-Based Payment Arrangement, Expense, Tax Benefit Share-Based Payment Arrangement, Expense, Tax Benefit Other Postretirement Benefits Plan [Member] Other Postretirement Benefits Plan [Member] Deferred Fuel Cost Deferred Fuel Cost Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] 1.50% Series mortgage bonds due September 2026 [Member] 1.50% Series mortgage bonds due September 2026 [Member] 1.50% Series mortgage bonds due September 2026 Rate At Which Electricity Sold To Retail Customers Rate At Which Electricity Sold To Retail Customers Rate at which electricity sold to retail customers Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] 6.65% Series mortgage bonds due June 2056 [Member] 6.65% Series mortgage bonds due June 2056 [Member] 6.65% Series mortgage bonds due June 2056 Debt Disclosure [Abstract] Debt Disclosure [Abstract] Nonoperating Income (Expense) [Abstract] Nonoperating Income (Expense) [Abstract] Battery energy storage system [Member] Battery energy storage system [Member] Battery energy storage system Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share 5.75% Series mortgage bonds due January 2056 [Member] 5.75% Series mortgage bonds due January 2056 [Member] 5.75% Series mortgage bonds due January 2056 Public Utilities, Regulatory Proceeding [Axis] Public Utilities, Regulatory Proceeding [Axis] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Regulatory Asset Regulatory Asset Liability, Defined Benefit Plan, Current Liability, Defined Benefit Plan, Current NYSE Texas [Member] NYSE Texas [Member] NYSE Texas Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Equity Securities [Member] Equity Securities [Member] Product and Service, Other [Member] Product and Service, Other [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Commitment Fee Percentage Decommissioning Trust Fund [Abstract] Decommissioning Trust Fund [Abstract] Decommissioning Trust Fund. Investment Income, Net Investment Income, Net River Bend 70 Depreciation LPSC Complaint [Member] River Bend 70 Depreciation LPSC Complaint [Member] River Bend 70 Depreciation LPSC Complaint Schedule of uncommitted standby letter of credit facilities [Table Text Block] Schedule of uncommitted standby letter of credit facilities [Table Text Block] Schedule of uncommitted standby letter of credit facilities Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Entergy Louisiana [Member] Entergy Louisiana [Member] Entergy Louisiana. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit Amount of total borrowing capacity against which fronting commitments exist for the issuance of letters of credit Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Payments to storm reserve escrow accounts Payments to storm reserve escrow accounts The cash outflow for payments made to storm reserve escrow accounts Credit Facility of $3 Billion [Member] Credit Facility of $3 Billion [Member] Credit Facility of $3 Billion Payments on lease including interest Payments on lease including interest Payments on lease, including interest. Customer rate credits Customer rate credits Customer rate credits Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] Stock Issued During Period, Value, New Issues Stock Issued During Period, Value, New Issues Income taxes Income taxes [Member] Income taxes Percentage Interest in River Bend Percentage Interest in River Bend Percentage Interest in River Bend Consolidation Items [Axis] Consolidation Items [Axis] Debt Securities, Available-for-Sale Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]