XML 116 R66.htm IDEA: XBRL DOCUMENT v3.25.4
Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jan. 01, 2018
Dec. 31, 2017
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2017
Current Federal Tax Expense (Benefit)       $ 3,427 $ 66,708 $ 60,639  
Current State and Local Tax Expense (Benefit)       6,890 44,956 23,014  
Current Income Tax Expense (Benefit)       10,317 111,664 83,653  
Deferred Federal Income Tax Expense (Benefit)       408,851 136,671 (815,222)  
Deferred State and Local Income Tax Expense (Benefit)       85,757 144,519 46,281  
Deferred Income Tax Expense (Benefit)       494,608 281,190 (768,941)  
Other Tax Expense (Benefit)       (6,973) (11,827) (5,247)  
Income Tax Expense (Benefit)     $ 9,000 497,952 381,027 (690,535)  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       1,773,328 1,061,184 2,362,310  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       2,271,280 1,442,211 1,671,775  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 476,969 $ 302,864 $ 351,073  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 35.00%   21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 92,942 $ 81,377 $ 70,144  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       4.10% 5.60% 4.20%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 3,362 $ 3,737 $ 3,836  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.10% 0.30% 0.20%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (842,769)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (50.40%)  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount       $ 4,134 $ (780) $ (8,697)  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent       0.20% (0.10%) (0.50%)  
Effective Income Tax Rate Reconciliation, Percent       21.90% 26.40% (41.30%)  
Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (30,443) $ (30,288) $ (27,901)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.30%) (2.10%) (1.70%)  
Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (37,357) $ (27,343) $ (20,172)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.60%) (1.90%) (1.20%)  
Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (8,067) $ (8,808) $ (7,978)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.40%) (0.60%) (0.50%)  
Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 9,925 $ 33 $ (1,374)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.40% 0.00% (0.10%)  
Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 12,434 $ 21,487 $ 18,884  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.50% 1.50% 1.10%  
Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (6,452) $ (10,178) $ (4,852)  
State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       (521) (1,649) (395)  
Entergy Arkansas [Member]              
Current Federal Tax Expense (Benefit)       (21,471) (10,558) 33,100  
Current State and Local Tax Expense (Benefit)       (4,595) (2,275) (4,201)  
Current Income Tax Expense (Benefit)       (26,066) (12,833) 28,899  
Deferred Federal Income Tax Expense (Benefit)       117,798 68,988 (164,493)  
Deferred State and Local Income Tax Expense (Benefit)       17,379 19,649 37,615  
Deferred Income Tax Expense (Benefit)       135,177 88,637 (126,878)  
Other Tax Expense (Benefit)       (1,231) (1,230) (1,231)  
Income Tax Expense (Benefit)       107,880 74,574 (99,210)  
Net Income (Loss)       440,532 324,766 402,081  
Net Income (Loss) Attributable to Noncontrolling Interest       (3,079) (5,300) (5,231)  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       437,453 319,466 396,850  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       545,333 394,040 297,640  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 114,520 $ 82,748 $ 62,504  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 19,388 $ 13,940 $ 13,291  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       3.60% 3.50% 4.50%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 1,054 $ 1,073 $ 1,079  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.20% 0.30% 0.40%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (159,588)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (53.60%)  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount       $ 1,462 $ 0 $ 0  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent       0.30% 0.00% 0.00%  
Effective Income Tax Rate Reconciliation, Percent       19.80% 18.90% (33.30%)  
Entergy Arkansas [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (8,085) $ (9,885) $ (8,812)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.50%) (2.50%) (3.00%)  
Entergy Arkansas [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (4,934) $ (6,032) $ (4,093)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.90%) (1.50%) (1.40%)  
Entergy Arkansas [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,201) $ (1,201) $ (1,201)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.20%) (0.30%) (0.40%)  
Entergy Arkansas [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,866) $ 214 $ 1,105  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.30%) 0.10% 0.40%  
Entergy Arkansas [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,182) $ 1,800 $ 2,600  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.20%) 0.50% 0.90%  
Entergy Arkansas [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (1,231) $ (1,230) $ (1,231)  
Entergy Arkansas [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       0 0 0  
Entergy Louisiana [Member]              
Current Federal Tax Expense (Benefit)       (104,215) (79,519) (142,253)  
Current State and Local Tax Expense (Benefit)       (2,779) 1,709 (6,397)  
Current Income Tax Expense (Benefit)       (106,994) (77,810) (148,650)  
Deferred Federal Income Tax Expense (Benefit)       297,466 201,737 (94,167)  
Deferred State and Local Income Tax Expense (Benefit)       51,897 106,098 41,716  
Deferred Income Tax Expense (Benefit)       349,363 307,835 (52,451)  
Other Tax Expense (Benefit)       (4,556) (4,616) (4,680)  
Income Tax Expense (Benefit)       237,813 225,409 (205,781)  
Net Income (Loss)       1,109,948 887,645 1,270,382  
Net Income (Loss) Attributable to Noncontrolling Interest       2,952 3,126 2,988  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       1,112,900 890,771 1,273,370  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       1,350,713 1,116,180 1,067,589  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 283,650 $ 234,398 $ 224,194  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%     21.00% 21.00% 21.00% 35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 49,965 $ 50,760 $ 51,899  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       3.70% 4.50% 4.90%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 1,181 $ 1,529 $ 1,601  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.10% 0.10% 0.10%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (179,111)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (16.80%)  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount       $ 5 $ 0 $ 0  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent       0.00% 0.00% 0.00%  
Effective Income Tax Rate Reconciliation, Percent       17.60% 20.20% (19.30%)  
Entergy Louisiana [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (10,069) $ (9,988) $ (5,535)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.70%) (0.90%) (0.50%)  
Entergy Louisiana [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (11,327) $ (7,513) $ (6,754)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.80%) (0.70%) (0.60%)  
Entergy Louisiana [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (4,502) $ (4,563) $ (4,625)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.30%) (0.40%) (0.40%)  
Entergy Louisiana [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (718) $ (3,244) $ 126  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.10%) (0.30%) 0.00%  
Entergy Louisiana [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 4,307 $ 3,400 $ (400)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.30% 0.30% 0.00%  
Entergy Louisiana [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (4,556) $ (4,616) $ (4,680)  
Entergy Louisiana [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       0 0 0  
Entergy Mississippi [Member]              
Current Federal Tax Expense (Benefit)       49,157 38,680 20,328  
Current State and Local Tax Expense (Benefit)       8,905 2,407 4,142  
Current Income Tax Expense (Benefit)       58,062 41,087 24,470  
Deferred Federal Income Tax Expense (Benefit)       26,320 25,316 21,244  
Deferred State and Local Income Tax Expense (Benefit)       10,991 14,292 9,446  
Deferred Income Tax Expense (Benefit)       37,311 39,608 30,690  
Other Tax Expense (Benefit)       (272) (380) (796)  
Income Tax Expense (Benefit)       95,101 80,315 54,364  
Net Income (Loss)       311,864 255,958 192,271  
Net Income (Loss) Attributable to Noncontrolling Interest       (3,136) (10,551) (10,302)  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       308,728 245,407 181,969  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       403,829 325,722 236,333  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 84,804 $ 68,402 $ 49,630  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 15,876 $ 13,210 $ 11,133  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       3.90% 4.10% 4.70%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 359 $ 365 $ 367  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.10% 0.10% 0.20%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (3,291)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (1.40%)  
Effective Income Tax Rate Reconciliation, Percent       23.50% 24.70% 23.00%  
Entergy Mississippi [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (5,400) $ (3,572) $ (5,290)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.30%) (1.10%) (2.20%)  
Entergy Mississippi [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,984) $ (1,910) $ (1,796)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.50%) (0.60%) (0.80%)  
Entergy Mississippi [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (228) $ (267) $ (223)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.10%) (0.10%) (0.10%)  
Entergy Mississippi [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 1,581 $ 2,987 $ 3,534  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.40% 0.90% 1.50%  
Entergy Mississippi [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 93 $ 1,100 $ 300  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.00% 0.30% 0.10%  
Entergy Mississippi [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (76) $ 3 $ (622)  
Entergy Mississippi [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       (196) (383) (174)  
Entergy New Orleans [Member]              
Current Federal Tax Expense (Benefit)       18,671 (8,022) (99,343)  
Current State and Local Tax Expense (Benefit)       3,169 5,331 (5,854)  
Current Income Tax Expense (Benefit)       21,840 (2,691) (105,197)  
Deferred Federal Income Tax Expense (Benefit)       (3,398) 9,297 (78,442)  
Deferred State and Local Income Tax Expense (Benefit)       (2,387) (2,916) (6,302)  
Deferred Income Tax Expense (Benefit)       (5,785) 6,381 (84,744)  
Other Tax Expense (Benefit)       (200) (848) (32)  
Income Tax Expense (Benefit)       15,855 2,842 (189,973)  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       50,411 15,847 228,938  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       66,266 18,689 38,965  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 13,916 $ 3,925 $ 8,183  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 3,985 $ 1,248 $ 1,907  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       6.00% 6.70% 4.90%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 207 $ 211 $ 214  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.30% 1.10% 0.50%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (198,424)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (509.20%)  
Effective Income Tax Rate Reconciliation, Percent       23.90% 15.20% (487.50%)  
Entergy New Orleans [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (131) $ (830) $ (1,353)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.20%) (4.40%) (3.50%)  
Entergy New Orleans [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (390) $ (445) $ (309)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.60%) (2.40%) (0.80%)  
Entergy New Orleans [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (97) $ (839) $ (25)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.10%) (4.50%) (0.10%)  
Entergy New Orleans [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,138) $ (338) $ (1,913)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.70%) (1.80%) (4.90%)  
Entergy New Orleans [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 847 $ 0 $ 600  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       1.30% 0.00% 1.50%  
Entergy New Orleans [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (200) $ (848) $ (32)  
Entergy New Orleans [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       0 0 0  
Entergy Texas [Member]              
Current Federal Tax Expense (Benefit)       4,479 8,281 2,851  
Current State and Local Tax Expense (Benefit)       3,442 5,468 3,719  
Current Income Tax Expense (Benefit)       7,921 13,749 6,570  
Deferred Federal Income Tax Expense (Benefit)       58,464 51,588 56,496  
Deferred State and Local Income Tax Expense (Benefit)       (252) 1,114 570  
Deferred Income Tax Expense (Benefit)       58,212 52,702 57,066  
Other Tax Expense (Benefit)       (767) (767) (764)  
Income Tax Expense (Benefit)       65,366 65,684 62,872  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       334,071 293,622 291,273  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       399,437 359,306 354,145  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 83,882 $ 75,454 $ 74,370  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 2,731 $ 5,164 $ 2,574  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       0.70% 1.40% 0.70%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 371 $ 377 $ 381  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.10% 0.10% 0.10%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ (3,112)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (0.90%)  
Effective Income Tax Rate Reconciliation, Percent       16.40% 18.30% 17.80%  
Entergy Texas [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (3,427) $ (4,537) $ (6,394)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.90%) (1.30%) (1.80%)  
Entergy Texas [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (17,172) $ (10,045) $ (5,920)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (4.30%) (2.80%) (1.70%)  
Entergy Texas [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (748) $ (748) $ (748)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (0.20%) (0.20%) (0.20%)  
Entergy Texas [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (149) $ (760) $ 1,493  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.00% (0.20%) 0.40%  
Entergy Texas [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (122) $ 777 $ 211  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.00% 0.20% 0.10%  
Entergy Texas [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ (767) $ 0 $ (764)  
Entergy Texas [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       0 (767) 0  
System Energy [Member]              
Current Federal Tax Expense (Benefit)       (3,190) (5,527) 337  
Current State and Local Tax Expense (Benefit)       (3,115) (396) (1,570)  
Current Income Tax Expense (Benefit)       (6,305) (5,923) (1,233)  
Deferred Federal Income Tax Expense (Benefit)       18,485 29,470 26,528  
Deferred State and Local Income Tax Expense (Benefit)       7,339 9,939 4,477  
Deferred Income Tax Expense (Benefit)       25,824 39,409 31,005  
Other Tax Expense (Benefit)       56 (3,983) 2,260  
Income Tax Expense (Benefit)       19,575 29,503 32,032  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest       88,095 103,500 108,772  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest       107,670 133,003 140,804  
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount       $ 22,611 $ 27,931 $ 29,569  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent       21.00% 21.00% 21.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount       $ 4,893 $ 4,936 $ 5,798  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent       4.50% 3.70% 4.10%  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ 198 $ 202 $ 204  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       0.20% 0.20% 0.10%  
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount       $ 0 $ 0 $ (1,575)  
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent       0.00% 0.00% (1.10%)  
Effective Income Tax Rate Reconciliation, Percent       18.20% 22.20% 22.70%  
System Energy [Member] | Regulatory differences - utility plant items [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (3,330) $ (1,475) $ (517)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (3.10%) (1.10%) (0.40%)  
System Energy [Member] | Equity component of AFUDC [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,549) $ (1,398) $ (1,301)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.40%) (1.10%) (0.90%)  
System Energy [Member] | Amortization of investment tax credits              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,155) $ (1,155) $ (1,155)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.10%) (0.90%) (0.80%)  
System Energy [Member] | Flow-through / permanent differences [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,057) $ (538) $ (191)  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.00%) (0.40%) (0.10%)  
System Energy [Member] | Provision for uncertain tax positions [Member]              
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount       $ (1,036) $ 1,000 $ 1,200  
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent       (1.00%) 0.80% 0.90%  
System Energy [Member] | Domestic Tax Jurisdiction              
Other Tax Expense (Benefit)       $ 381 $ (2,716) $ 2,482  
System Energy [Member] | State and Local Jurisdiction [Member]              
Other Tax Expense (Benefit)       $ (325) $ (1,267) $ (222)