Rate and Regulatory Matters (Storm Cost Recovery Filings with Retail Regulators - Narrative) (Details)			1 Months Ended																							3 Months Ended	6 Months Ended		9 Months Ended	12 Months Ended				62 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Oct. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Feb. 28, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Aug. 31, 2023 USD ($)	Mar. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Oct. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Aug. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 31, 2022 USD ($) shares	Apr. 30, 2022 USD ($)	Feb. 28, 2022 USD ($)	Sep. 30, 2021 USD ($)	Aug. 31, 2021	Apr. 30, 2021 USD ($)	Nov. 30, 2020 USD ($)	May 31, 2015 USD ($)	Aug. 31, 2014 USD ($) $ / unit shares	Jun. 30, 2014 USD ($)	Mar. 31, 2023 USD ($) shares	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2017	Jun. 30, 2024 USD ($)	Jan. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																														$ 5,750,445,000	$ 7,898,968,000	$ 4,273,297,000
Reduction of income tax expense										$ 129,000,000						$ 283,000,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	35.00%																												21.00%	21.00%	21.00%
Asset Recovery Damaged Property Costs, Noncurrent						$ 340,460,000																								$ 308,784,000	$ 340,460,000
Receipts from storm reserve escrow accounts																														46,570,000	736,000	$ 98,529,000
4.00% Series mortgage bonds due July 2022 [Member]
Regulatory Asset [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																4.00%
Repayments of First Mortgage Bond																$ 650,000,000
Mortgage Bonds Zero Point Six Two Percent Series Due November 2023 [Member]
Regulatory Asset [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																0.62%
Entergy Louisiana [Member]
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																														$ 2,098,625,000	$ 2,743,965,000	$ 1,410,893,000
Amount transfer from restricted escrow account as storm damage reserve																						$ 257,000,000
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs																	$ 2,640,000,000
Aggregate principal amount of system restoration bonds authorization requested																		$ 3,186,000,000
Reclassification from utility plant to other regulatory assets																																				$ 1,942,000,000
LCDA issuance of bonds under Act 293 financing																$ 3,194,000,000
Class preferred non voting membership interest units acquired in majority owned subsidiary | shares										14,576,757.48						31,635,718.7221										14,576,757.48
LURC's percentage of annual dividends																1.00%
Entergy Louisiana's percentage of annual dividends																99.00%											99.00%
Preferred Stock, Dividend Rate, Percentage										7.50%						7.00%
Preferred Stock, Liquidation Preference, Value										$ 100						$ 100										$ 100
Proceeds from Contributed Capital																1,000,000,000
Proceeds from capital contribution used to fund Hurricane Ida escrow																1,000,000,000
Funds withdrawn from Hurricane Ida escrow and applied to restoration costs																1,000,000,000
Restricted storm escrow funds																290,000,000
Reduction of income tax expense										$ 133,000,000						290,000,000
Regulatory charge recorded as a result of reduction in income tax expense																224,000,000										103,000,000
Regulatory charge recorded as a result of reduction in income tax expense, net of tax																165,000,000										$ 76,000,000
LURC's beneficial interest in the storm trust, percentage				1.00%						1.00%																1.00%	1.00%
Reduction to income tax expense - net of provision for uncertain tax positions																										$ 133,000,000
Reduction to income tax expense - net, offset by other tax charges																										129,000,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%																													21.00%	21.00%	21.00%	35.00%
Minimum customer benefits																									$ 30,800,000
Annual customer credits																									$ 6,200,000
LCDA issuance of bonds under Louisiana Act 55 financing																								$ 314,850,000
Bond proceeds loaned by LCDA to LURC under Louisiana Act 55 financing																								309,000,000
Amount transfered to restricted escrow account as storm damage reserve																								16,000,000
Bond proceeds transfered to company under Louisiana Act 55 financing																								$ 293,000,000
LURC's beneficial interest in the storm trust																										14,600,000
Asset Recovery Damaged Property Costs, Noncurrent						256,718,000																								$ 234,961,000	$ 256,718,000
Receipts from storm reserve escrow accounts																														33,456,000	0	$ 64,036,000
Entergy Louisiana [Member] | Mortgage Bonds Zero Point Six Two Percent Series Due November 2023 [Member]
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																						$ 1,100,000,000
Debt Instrument, Interest Rate, Stated Percentage																						0.62%
Entergy Louisiana [Member] | Maximum [Member]
Regulatory Asset [Line Items]
Asset Recovery Damaged Property Costs, Noncurrent																		290,000,000			$ 290,000,000
Entergy Louisiana [Member] | Unsecured Term Loan due June 2023 [Member]
Regulatory Asset [Line Items]
Repayments of Unsecured Debt																1,200,000,000
Entergy Louisiana [Member] | Mortgage Bonds Zero Point Six Two Percent Series Due November 2023 [Member]
Regulatory Asset [Line Items]
Repayments of First Mortgage Bond																435,000,000
Entergy Louisiana [Member] | Hurricanes Laura, Delta, Zeta, and Winter Storm Uri [Member]
Regulatory Asset [Line Items]
Total Restoration Costs For Repair and Replacement of Electrical System																					2,060,000,000.00
Deferred Storm and Property Reserve Deficiency, Noncurrent																					1,680,000,000
Non-capital storm costs																					380,000,000
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs																	32,000,000	2,100,000,000			$ 2,110,000,000
Storm carrying costs																		51,000,000
Carrying costs associated with storm restoration costs																													$ 3,000,000
Aggregate principal amount of system restoration bond authorization approved										$ 1,491,000,000																$ 1,491,000,000
Entergy Louisiana [Member] | Hurricanes Laura, Delta, Zeta, and Winter Storm Uri [Member] | Storm Costs [Member]
Regulatory Asset [Line Items]
Regulatory Asset				$ 180,000,000																							$ 180,000,000
Entergy Louisiana [Member] | Hurricane Ida [Member]
Regulatory Asset [Line Items]
Total Restoration Costs For Repair and Replacement of Electrical System												$ 2,640,000,000					2,540,000,000
Deferred Storm and Property Reserve Deficiency, Noncurrent																	1,960,000,000	1,000,000,000	$ 1,000,000,000																	$ 1,000,000,000
Non-capital storm costs																	586,000,000
Total Restoration Costs For Repair and Replacement of Electrical System including carrying costs																	2,600,000,000
Aggregate principal amount of system restoration bonds authorization requested																			1,000,000,000
Carrying costs associated with storm restoration costs												$ 59,100,000					$ 57,000,000
Entergy Louisiana [Member] | Hurricanes Ida, Laura, Delta, Zeta, and Winter Storm Uri [Member]
Regulatory Asset [Line Items]
Total Restoration Costs For Repair and Replacement of Electrical System											$ 2,570,000,000
Aggregate principal amount of system restoration bonds authorization requested											1,657,000,000																		1,657,000,000						$ 1,491,000,000
Carrying costs associated with storm restoration costs											59,200,000
Entergy Louisiana [Member] | Hurricane Francine
Regulatory Asset [Line Items]
Total Restoration Costs For Repair and Replacement of Electrical System						183,600,000
Deferred Storm and Property Reserve Deficiency, Noncurrent						152,800,000																									152,800,000
Non-capital storm costs						29,800,000
Carrying costs associated with storm restoration costs						3,600,000
Public Utilities, Requested Rate Increase (Decrease), Amount						152,800,000
Amount requested for recovery from storm reserve escrow account						33,500,000
Receipts from storm reserve escrow accounts					$ 33,500,000
Exception to restoration costs to be recovered - estimated invoices and incentive compensation				10,600,000
Exception to restoration costs to be recovered - carrying costs				$ 1,800,000
Amount returned to storm reserve			$ 1,900,000
Entergy Finance Company, LLC [Member]
Regulatory Asset [Line Items]
Proceeds from issuance of preferred interest distributed from EFC to EHC																1,400,000,000
Proceeds from issuance of preferred interest distributed from EFC to ETR																$ 1,700,000,000
Entergy Holdings Company LLC [Member]
Regulatory Asset [Line Items]
Class preferred non voting membership interest units acquired in wholly owned Subsidiary | shares																								2,935,152.69
Annual distribution rate																								7.50%
Liquidation price per unit | $ / unit																								100
Net worth required under terms of membership interest																								$ 1,750,000,000
Entergy Holdings Company LLC [Member] | Hurricane Katrina and Hurricane Rita [Member]
Regulatory Asset [Line Items]
Class preferred non voting membership interest units acquired in majority owned subsidiary | shares																6,843,780.24
Entergy Holdings Company LLC [Member] | Hurricane Gustav And Ike [Member]
Regulatory Asset [Line Items]
Class preferred non voting membership interest units acquired in majority owned subsidiary | shares																4,126,940.15
Entergy Holdings Company LLC [Member] | Hurricane Isaac [Member]
Regulatory Asset [Line Items]
Class preferred non voting membership interest units acquired in majority owned subsidiary | shares																2,935,152.69
Entergy Mississippi [Member]
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																														$ 592,506,000	$ 395,881,000	$ 396,833,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent																														21.00%	21.00%	21.00%
Monthly storm damage provision																												$ 1,750,000
Storm Damage Provision Balance								$ 15,000,000																				15,000,000				$ 15,000,000		$ 15,000,000
Storm damage provision balance at which collections will resume																												$ 10,000,000						$ 10,000,000
Receipts from storm reserve escrow accounts								$ 34,500,000																						$ 0	$ 736,000	34,493,000
Entergy Mississippi [Member] | Storm cost recovery combined dual cost filing
Regulatory Asset [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount							$ 5,200,000
Vegetation management and storm damage provision							70,000,000
Vegetation management and storm damage provision balance at which collections will resume							$ 60,000,000
Entergy New Orleans [Member]
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																														$ 79,678,000	$ 148,913,000	$ 14,610,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent																														21.00%	21.00%	21.00%
Replenishment amount for storm reserve spending																							$ 63,900,000
Up front financing costs associated with securitization																							$ 3,000,000
Asset Recovery Damaged Property Costs, Noncurrent						$ 83,742,000																								$ 73,822,000	$ 83,742,000
Receipts from storm reserve escrow accounts																														13,114,000	0	$ 0
Entergy New Orleans [Member] | Hurricane Ida [Member]
Regulatory Asset [Line Items]
Total Restoration Costs For Repair and Replacement of Electrical System															$ 170,000,000
Carrying costs associated with storm restoration costs																													9,000,000
Estimated costs included in filing for total restoration costs for repair and replacement of electrical system															11,000,000
Prudently incurred storm restoration costs									$ 164,100,000
Outages from storm																				100.00%
Reduction to requested total restoration costs for repair and replacement of electrical system															$ 46,000,000
storm securitization costs approved for securitization allocated to Hurricane Ida													$ 125,000,000
Carrying costs associated with storm restoration costs deemed prudently incurred									7,500,000
Storm costs deemed previously recovered through base rates									1,200,000
Credits available to be applied to future storm costs									$ 900,000
Receipts from storm reserve escrow accounts											125,000,000								$ 39,000,000
Entergy New Orleans [Member] | Hurricane Zeta [Member]
Regulatory Asset [Line Items]
Excess withdrawn replacement reserve escrow																$ 7,000,000
Entergy New Orleans [Member] | Hurricane [Member]
Regulatory Asset [Line Items]
Issuance of bond by government authority											209,300,000																		$ 209,300,000
Amount transfer to restricted escrow account as storm damage reserve by corporation											200,000,000
Replenishment amount for storm reserve spending																		$ 150,000,000
initial funding for storm reserve spending														$ 75,000,000
storm restoration costs approved for securitization													$ 206,000,000
Proceeds from Debt, Net of Issuance Costs											201,800,000
Up front financing costs associated with securitization											$ 1,800,000
Entergy Texas [Member]
Regulatory Asset [Line Items]
Proceeds from Issuance of Long-Term Debt																														$ 493,515,000	$ 343,124,000	$ 344,895,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent																														21.00%	21.00%	21.00%
Entergy Texas [Member] | Hurricane Harvey [Member]
Regulatory Asset [Line Items]
Regulatory Asset																																					$ 13,300,000