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Revenue Recognition (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 2,846,026 | $ 3,395,196 | $ 5,827,085 | $ 6,273,122
Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 616,347 | 696,939 | 1,199,096 | 1,255,895
Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,205,612 | 1,515,785 | 2,550,820 | 2,781,757
Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 445,130 | 405,459 | 857,558 | 754,488
Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 188,016 | 254,249 | 396,836 | 452,521
Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 464,430 | 564,591 | 971,936 | 1,037,073
Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,785,244 | 3,258,255 | 5,668,654 | 5,914,031
Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 616,347 | 696,939 | 1,199,096 | 1,255,895
Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,191,909 | 1,497,942 | 2,511,661 | 2,735,179
Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 445,130 | 405,459 | 857,558 | 754,488
Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 168,216 | 224,084 | 337,911 | 378,730
Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 464,430 | 564,591 | 971,936 | 1,037,073
Natural Gas, US Regulated [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 33,503 | 48,008 | 98,084 | 120,369
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 | 13,703 | 17,843 | 39,159 | 46,578
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 | 19,800 | 30,165 | 58,925 | 73,791
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
Competitive Businesses [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 27,279 | 88,933 | 60,347 | 238,722
Residential [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 951,424 | 1,035,063 | 1,992,883 | 2,021,085
Residential [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 204,808 | 199,209 | 444,307 | 426,995
Residential [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 334,246 | 400,915 | 694,892 | 754,483
Residential [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 163,001 | 143,705 | 332,390 | 296,643
Residential [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 68,535 | 80,484 | 132,101 | 139,141
Residential [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 180,834 | 210,750 | 389,193 | 403,823
Commercial [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 692,788 | 715,665 | 1,407,089 | 1,350,290
Commercial [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 136,591 | 127,230 | 261,927 | 240,469
Commercial [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 253,365 | 290,063 | 531,543 | 547,653
Commercial [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 142,997 | 118,278 | 276,673 | 228,939
Commercial [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 56,095 | 58,801 | 110,164 | 104,373
Commercial [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 103,740 | 121,293 | 226,782 | 228,856
Industrial [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 750,177 | 878,194 | 1,613,899 | 1,621,828
Industrial [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 153,817 | 135,809 | 285,053 | 245,483
Industrial [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 407,045 | 536,229 | 916,949 | 988,182
Industrial [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 54,738 | 43,738 | 106,153 | 82,895
Industrial [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 7,562 | 9,216 | 14,975 | 15,490
Industrial [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 127,015 | 153,202 | 290,769 | 289,778
Governmental [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 63,816 | 67,101 | 131,153 | 124,395
Governmental [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 4,945 | 5,137 | 9,605 | 9,598
Governmental [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 19,407 | 21,841 | 42,481 | 40,857
Governmental [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 14,971 | 12,611 | 28,854 | 24,612
Governmental [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 17,896 | 20,179 | 35,694 | 35,211
Governmental [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 6,597 | 7,333 | 14,519 | 14,117
Billed Retail [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,458,205 | 2,696,023 | 5,145,024 | 5,117,598
Billed Retail [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 500,161 | 467,385 | 1,000,892 | 922,545
Billed Retail [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,014,063 | 1,249,048 | 2,185,865 | 2,331,175
Billed Retail [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 375,707 | 318,332 | 744,070 | 633,089
Billed Retail [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 150,088 | 168,680 | 292,934 | 294,215
Billed Retail [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 418,186 | 492,578 | 921,263 | 936,574
Sales for Resale [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 68,262 | 249,035 | 176,209 | 377,994
Sales for Resale [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 48,266 | 156,754 | 114,283 | 227,167
Sales for Resale [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 80,248 | 123,231 | 163,484 | 230,932
Sales for Resale [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 26,073 | 43,524 | 64,816 | 65,165
Sales for Resale [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 11,075 | 36,825 | 35,985 | 63,365
Sales for Resale [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,986 | 18,133 | 4,431 | 35,778
Non-Customer [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 11,446 | 10,846 | 55,633 | 22,208
Non-Customer [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,113 | 1,980 | 4,397 | 4,791
Non-Customer [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 6,226 | 5,816 | 44,373 | 11,743
Non-Customer [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,384 | 2,278 | 4,832 | 4,572
Non-Customer [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,386 | 1,136 | 2,908 | 2,314
Non-Customer [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | (603) | (379) | (843) | (988)
Other Electric [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 247,331 | 302,351 | 291,788 | 396,231
Other Electric [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 65,807 | 70,820 | 79,524 | 101,392
Other Electric [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 91,372 | 119,847 | 117,939 | 161,329
Other Electric [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 40,966 | 41,325 | 43,840 | 51,662
Other Electric [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 5,667 | 17,443 | 6,084 | 18,836
Other Electric [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 44,861 | 54,259 | 47,085 | 65,709
Revenues from customers [Member] | Electricity [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,773,798 | 3,247,409 | 5,613,021 | 5,891,823
Revenues from customers [Member] | Electricity [Member] | Entergy Arkansas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 614,234 | 694,959 | 1,194,699 | 1,251,104
Revenues from customers [Member] | Electricity [Member] | Entergy Louisiana [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,185,683 | 1,492,126 | 2,467,288 | 2,723,436
Revenues from customers [Member] | Electricity [Member] | Entergy Mississippi [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 442,746 | 403,181 | 852,726 | 749,916
Revenues from customers [Member] | Electricity [Member] | Entergy New Orleans [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 166,830 | 222,948 | 335,003 | 376,416
Revenues from customers [Member] | Electricity [Member] | Entergy Texas [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 465,033 | 564,970 | 972,779 | 1,038,061
Competitive Business Sales [Member] | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 27,279 | $ 88,933 | $ 60,347 | $ 238,722

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