v3.26.1
Revenue (Schedule of Disaggregation of Revenue) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Revenues $ 3,523,638 $ 3,328,849 $ 6,711,264 $ 6,175,723
Revenue, Remaining Performance Obligation, Amount 8,563,000   8,563,000  
Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 693,486 697,687 1,339,783 1,311,198
Revenue, Remaining Performance Obligation, Amount 4,740,000   4,740,000  
Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 1,606,355 1,510,063 3,030,440 2,811,610
Revenue, Remaining Performance Obligation, Amount 788,000   788,000  
Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 557,882 491,875 1,083,266 915,584
Revenue, Remaining Performance Obligation, Amount 2,570,000   2,570,000  
Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 190,548 210,000 362,199 391,055
Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 568,657 531,641 1,072,189 973,580
Revenue, Remaining Performance Obligation, Amount 465,000   465,000  
Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer 8,144 3,158 17,676 (1,316)
Revenues 3,513,488 3,274,945 6,683,761 6,032,811
Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer 1,731 1,147 4,194 2,346
Revenues 693,486 697,687 1,339,783 1,311,198
Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer 3,592 1,256 7,059 (5,149)
Revenues 1,606,355 1,495,504 3,030,440 2,767,450
Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer 2,397 623 4,766 1,220
Revenues 557,882 491,875 1,083,266 915,584
Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer 1,508 107 3,088 212
Revenues 190,548 183,781 362,199 322,706
Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue Not from Contract with Customer (1,085) 30 (1,461) 60
Revenues 568,657 531,641 1,072,189 973,580
Natural Gas, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 0 40,778 0 112,509
Revenues 0 40,778 0 112,509
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 0 14,559 0 44,160
Revenues 0 14,559 0 44,160
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 0 26,219 0 68,349
Revenues 0 26,219 0 68,349
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 10,150 13,126 27,503 30,403
Residential [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,154,074 1,091,035 2,303,510 2,204,340
Residential [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 226,609 212,265 497,995 486,871
Residential [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 426,035 408,293 818,039 786,531
Residential [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 196,834 172,575 403,439 358,883
Residential [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 71,647 73,279 138,640 138,969
Residential [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 232,949 224,623 445,397 433,086
Commercial [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 822,850 771,097 1,570,969 1,455,104
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 150,110 141,468 290,308 273,085
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 321,904 306,916 606,452 570,116
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 168,041 147,052 322,165 282,925
Commercial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 56,309 58,133 107,248 105,755
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 126,486 117,528 244,796 223,223
Industrial [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,068,589 945,901 2,003,034 1,720,020
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 193,328 174,555 367,088 323,620
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 627,316 570,303 1,162,030 1,036,010
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 80,997 53,629 151,568 100,974
Industrial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 6,837 7,800 12,956 13,454
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 160,111 139,614 309,392 245,962
Governmental [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 73,822 70,623 141,482 133,441
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 4,832 4,911 9,491 9,130
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 24,287 23,622 45,887 45,290
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 16,822 14,544 32,325 28,234
Governmental [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 19,514 20,656 37,189 37,185
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 8,367 6,890 16,590 13,602
Billed Retail [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 3,119,335 2,878,656 6,018,995 5,512,905
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 574,879 533,199 1,164,882 1,092,706
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,399,542 1,309,134 2,632,408 2,437,947
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 462,694 387,800 909,497 771,016
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 154,307 159,868 296,033 295,363
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 527,913 488,655 1,016,175 915,873
Sales for Resale [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 96,041 146,457 238,124 198,330
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 40,255 84,533 77,560 121,262
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 95,716 109,243 207,191 220,791
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 34,442 61,713 92,428 89,810
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 22,574 10,027 53,097 13,917
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 5,153 5,195 9,309 7,590
Other Electric [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 289,968 246,674 408,966 322,892
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 76,621 78,808 93,147 94,884
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 107,505 75,871 183,782 113,861
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 58,349 41,739 76,575 53,538
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 12,159 13,779 9,981 13,214
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 36,676 37,761 48,166 50,057
Customer [Member] | Electricity, US Regulated [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 3,505,344 3,271,787 6,666,085 6,034,127
Customer [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 691,755 696,540 1,335,589 1,308,852
Customer [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 1,602,763 1,494,248 3,023,381 2,772,599
Customer [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 555,485 491,252 1,078,500 914,364
Customer [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax 189,040 183,674 359,111 322,494
Customer [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contract with Customer, Excluding Assessed Tax $ 569,742 $ 531,611 $ 1,073,650 $ 973,520