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Revenue (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 3,812,019 | $ 3,389,100 | $ 9,987,742 | $ 9,137,348
Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 864,063 | 662,148 | 2,175,261 | 1,892,991
Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 1,633,197 | 1,478,093 | 4,444,807 | 3,956,657
Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 577,132 | 508,171 | 1,492,716 | 1,365,921
Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 220,298 | 232,515 | 611,353 | 624,817
Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 640,291 | 596,998 | 1,613,871 | 1,560,566
Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | 26,281 | 13,163 | 37,619 | 40,125
Revenues | 3,797,177 | 3,337,820 | 9,829,988 | 8,950,373
Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | 2,596 | 2,350 | 6,887 | 7,154
Revenues | 864,063 | 662,148 | 2,175,261 | 1,892,991
Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | 4,311 | 6,697 | 4,091 | 20,140
Revenues | 1,633,050 | 1,464,627 | 4,400,500 | 3,898,864
Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | 17,586 | 2,557 | 22,333 | 7,443
Revenues | 577,132 | 508,171 | 1,492,716 | 1,365,921
Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | 1,897 | 1,816 | 4,737 | 4,550
Revenues | 220,290 | 213,663 | 542,996 | 549,268
Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue Not from Contract with Customer | (125) | 24 | (461) | (81)
Revenues | 640,291 | 596,998 | 1,613,871 | 1,560,566
Natural Gas, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 155 | 32,318 | 112,664 | 133,342
Revenues | 155 | 32,318 | 112,664 | 133,342
Natural Gas, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 0
Natural Gas, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 147 | 13,466 | 44,307 | 57,793
Revenues | 147 | 13,466 | 44,307 | 57,793
Natural Gas, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 0
Natural Gas, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 8 | 18,852 | 68,357 | 75,549
Revenues | 8 | 18,852 | 68,357 | 75,549
Natural Gas, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 0
Product and Service, Other [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 14,687 | 18,962 | 45,090 | 53,633
Residential [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,572,450 | 1,468,705 | 3,776,790 | 3,548,881
Residential [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 359,366 | 325,128 | 846,238 | 805,702
Residential [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 543,879 | 514,131 | 1,330,410 | 1,213,133
Residential [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 241,786 | 227,867 | 600,669 | 569,533
Residential [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 107,461 | 106,079 | 246,430 | 245,598
Residential [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 319,958 | 295,500 | 753,043 | 714,915
Commercial [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 924,677 | 855,823 | 2,379,782 | 2,260,956
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 184,715 | 169,242 | 457,800 | 443,499
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 351,663 | 319,065 | 921,779 | 841,630
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 181,937 | 170,093 | 464,863 | 444,584
Commercial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 64,068 | 64,957 | 169,822 | 175,542
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 142,294 | 132,466 | 365,518 | 355,701
Industrial [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,014,161 | 870,576 | 2,734,181 | 2,412,254
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 229,183 | 183,636 | 552,803 | 471,829
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 560,165 | 475,890 | 1,596,175 | 1,355,907
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 62,651 | 52,802 | 163,625 | 148,409
Industrial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 8,064 | 8,148 | 21,518 | 22,727
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 154,098 | 150,100 | 400,060 | 413,382
Governmental [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 75,715 | 71,482 | 209,156 | 202,655
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 5,739 | 5,117 | 14,869 | 14,250
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 24,034 | 21,868 | 69,324 | 64,912
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 16,688 | 15,495 | 44,921 | 42,886
Governmental [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 21,156 | 21,763 | 58,342 | 59,284
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 8,098 | 7,239 | 21,700 | 21,323
Billed Retail [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 3,587,003 | 3,266,586 | 9,099,909 | 8,424,746
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 779,003 | 683,123 | 1,871,710 | 1,735,280
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,479,741 | 1,330,954 | 3,917,688 | 3,475,582
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 503,062 | 466,257 | 1,274,078 | 1,205,412
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 200,749 | 200,947 | 496,112 | 503,151
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 624,448 | 585,305 | 1,540,321 | 1,505,321
Sales for Resale [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 109,255 | 69,288 | 307,585 | 202,871
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 60,582 | 48,078 | 181,842 | 130,885
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 117,807 | 86,563 | 338,599 | 250,114
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 43,811 | 25,995 | 133,621 | 95,188
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 20,427 | 8,627 | 34,343 | 29,702
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,950 | 6,189 | 10,542 | 11,111
Other Electric [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 74,638 | (11,217) | 384,875 | 282,631
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 21,882 | (71,403) | 114,822 | 19,672
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 31,191 | 40,413 | 140,122 | 153,028
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 12,673 | 13,362 | 62,684 | 57,878
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | (2,783) | 2,273 | 7,804 | 11,865
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 13,018 | 5,480 | 63,469 | 44,215
Customer [Member] | Electricity, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 3,770,896 | 3,324,657 | 9,792,369 | 8,910,248
Customer [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 861,467 | 659,798 | 2,168,374 | 1,885,837
Customer [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,628,739 | 1,457,930 | 4,396,409 | 3,878,724
Customer [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 559,546 | 505,614 | 1,470,383 | 1,358,478
Customer [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 218,393 | 211,847 | 538,259 | 544,718
Customer [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 640,416 | $ 596,974 | $ 1,614,332 | $ 1,560,647

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