v3.26.1
Consolidated Statements Of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest $ 878,625 $ 834,376
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 1,326,139 1,255,204
Deferred Income Taxes and Tax Credits 220,890 231,274
Asset Impairment Charges 18,059 0
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (225,491) (275,045)
Increase (Decrease) in Fuel Inventories (5,679) (4,852)
Increase (Decrease) in Accounts Payable 134,118 (53,439)
Increase (Decrease) in Accrued Taxes Payable 12,201 11,230
Increase (Decrease) in Interest Payable, Net 45,508 22,867
Increase (Decrease) in Deferred Fuel Costs (131,572) (263,205)
Increase (Decrease) in Customer advances - current 740,977 303,791
Increase (Decrease) in Other Operating Assets and Liabilities, Net (118,766) (58,819)
Provision for Other Losses (23,610) (38,444)
Increase (Decrease) in Other Regulatory Assets 134,270 174,523
Increase (Decrease) in Regulatory Liabilities 32,992 20,040
Increase (Decrease) in Customer advances - non-current 135,298 25,000
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (105,395) (104,968)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item (346,811) (281,743)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 2,721,753 1,797,790
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 5,030,819 3,668,326
Allowance for Funds Used During Construction, Investing Activities 102,081 83,161
Payments for Nuclear Fuel (199,768) (129,124)
Payments to Acquire Other Productive Assets 263 1,608
Proceeds from Decommissioning Trust Fund Assets 1,548,167 713,102
Payments to Acquire Investments to be Held in Decommissioning Trust Fund (1,586,838) (780,211)
Changes in securitization account 215 3,309
Payments to storm reserve escrow accounts 5,551 6,808
Receipts from storm reserve escrow accounts 0 43,789
Decrease (increase) in other investments (65,548) 1,659
Litigation proceeds for reimbursement of spent nuclear fuel storage costs, Investing Activities 0 3,546
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (5,092,946) (3,740,829)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (4,625,848) (3,517,949)
Proceeds from Sale of Treasury Stock 11,534 24,539
Proceeds from Issuance of Common Stock 1,017,171 804,631
Repayments of Long-Term Debt (1,864,866) (1,599,728)
Dividends Paid [Abstract]    
Payments of Ordinary Dividends, Common Stock (585,899) (516,716)
Payments of Ordinary Dividends, Preferred Stock and Preference Stock 9,159 9,159
Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity 885,867 732,454
Payment for Advance for Construction, Financing Activity (436,221) (245,481)
Proceeds from (Repayments of) Short-Term Debt 911,722 (451,686)
Proceeds from (Payment for) Other Financing Activity (259,675) 2,164
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 4,296,322 2,258,967
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 1,925,129 315,928
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 3,854,045 1,175,631
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 683,997 647,900
Income Taxes Paid, Net (2,301) 2,487
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 1,002,641 576,992
Proceeds from Insurance Settlement, Investing Activities 14,282 0
Entergy Arkansas [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 168,120 185,716
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 336,915 324,540
Deferred Income Taxes and Tax Credits 69,959 65,494
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (33,892) (63,276)
Increase (Decrease) in Fuel Inventories (15,348) (14,868)
Increase (Decrease) in Accounts Payable (690) 43,551
Increase (Decrease) in Accrued Taxes Payable (32,357) (19,741)
Increase (Decrease) in Interest Payable, Net 19,873 69
Increase (Decrease) in Deferred Fuel Costs (101,077) (33,234)
Increase (Decrease) in Other Operating Assets and Liabilities, Net (33,560) (25,426)
Provision for Other Losses (370) (2,436)
Increase (Decrease) in Other Regulatory Assets 83,451 (4,658)
Increase (Decrease) in Regulatory Liabilities 51,004 65,970
Increase (Decrease) in Customer advances - non-current 66,800 0
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (19,801) (20,651)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item (145,070) (63,163)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 413,957 437,887
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 881,053 400,384
Allowance for Funds Used During Construction, Investing Activities 10,032 9,617
Payments for Nuclear Fuel (99,151) (73,283)
Payments to Acquire Other Productive Assets 262 1,608
Proceeds from Nuclear Fuel 38,369 40,601
Change in money pool receivable - net (17,420) (49,019)
Payment for (Proceeds from) Other Investing Activity 36,977 51
Proceeds from Decommissioning Trust Fund Assets 399,485 51,462
Payments to Acquire Investments to be Held in Decommissioning Trust Fund (406,062) (70,616)
Payment for (Proceeds from) Other Investing Activity (36,977) (51)
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (919,085) (493,179)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (1,267,608) (350,312)
Repayments of Long-Term Debt (854,811) (40,311)
Proceeds from Contributions from Parent 200,000 0
Change in money pool payable - net 0 (15,190)
Dividends Paid [Abstract]    
Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity 203,556 39,895
Payment for Advance for Construction, Financing Activity (75,369) (54,838)
Proceeds from (Payment for) Other Financing Activity (2,710) (2,335)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 738,274 277,533
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 233,146 222,241
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 508,716 226,988
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 103,952 115,404
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 140,749 77,169
Entergy Louisiana [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 588,670 554,377
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 520,656 474,334
Deferred Income Taxes and Tax Credits 208,499 225,635
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (90,616) (122,848)
Increase (Decrease) in Fuel Inventories 4,405 8,300
Increase (Decrease) in Accounts Payable 128,737 9,253
Increase (Decrease) in Accrued Taxes Payable 34,902 (790)
Increase (Decrease) in Interest Payable, Net 18,454 10,430
Increase (Decrease) in Deferred Fuel Costs 36,122 (92,390)
Increase (Decrease) in Customer advances - current 666,217 200,389
Increase (Decrease) in Other Operating Assets and Liabilities, Net (260,463) (122,808)
Provision for Other Losses 5,891 (23,918)
Increase (Decrease) in Other Regulatory Assets (19,466) 48,355
Increase (Decrease) in Regulatory Liabilities (54,004) (70,161)
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (19,221) (18,124)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item (57,580) (101,335)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 1,711,203 978,699
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 2,419,557 1,450,693
Allowance for Funds Used During Construction, Investing Activities 45,158 26,560
Proceeds from Sale of Productive Assets 0 366
Payments for Nuclear Fuel (92,108) (130,279)
Proceeds from Nuclear Fuel 67,461 17,240
Change in money pool receivable - net (58,710) (48,540)
Redemption of preferred membership interests of affiliate 123,874 118,805
Proceeds from Decommissioning Trust Fund Assets 657,378 291,901
Payments to Acquire Investments to be Held in Decommissioning Trust Fund (680,951) (321,342)
Payments to storm reserve escrow accounts 4,228 5,144
Receipts from storm reserve escrow accounts 0 33,456
Decrease (increase) in other investments (39,333) 0
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (2,308,068) (1,467,670)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (1,843,941) (1,465,747)
Repayments of Long-Term Debt (650,119) (936,318)
Dividends Paid [Abstract]    
Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity 470,638 548,476
Payment for Advance for Construction, Financing Activity (272,221) (117,339)
Proceeds from (Payment for) Other Financing Activity (4,304) (4,247)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 1,387,935 461,319
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 791,070 (27,652)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 1,568,031 299,450
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 214,130 222,889
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 535,676 258,408
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid 0 (495,000)
Proceeds from Insurance Settlement, Investing Activities 14,282 0
Entergy Mississippi [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 188,494 131,138
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 139,209 136,462
Deferred Income Taxes and Tax Credits 19,073 (19,714)
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (45,418) (41,738)
Increase (Decrease) in Fuel Inventories 617 (4,855)
Increase (Decrease) in Accounts Payable 72,907 (9,305)
Increase (Decrease) in Accrued Taxes Payable (33,454) (3,929)
Increase (Decrease) in Interest Payable, Net 12,276 9,125
Increase (Decrease) in Deferred Fuel Costs (41,460) (64,303)
Increase (Decrease) in Customer advances - current 170,989 103,402
Increase (Decrease) in Other Operating Assets and Liabilities, Net (19,226) (18,217)
Provision for Other Losses (27,593) (3,962)
Increase (Decrease) in Other Regulatory Assets 662 52,132
Increase (Decrease) in Regulatory Liabilities 3,703 (1,066)
Increase (Decrease) in Customer advances - non-current 68,498 25,000
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (4,312) (6,261)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item 30,250 3,104
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 535,215 287,013
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 969,252 703,400
Allowance for Funds Used During Construction, Investing Activities 3,519 5,365
Change in money pool receivable - net (37,004) (93,459)
Decrease (increase) in other investments 6,625 (46)
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (1,009,362) (791,448)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (643,911) (592,679)
Proceeds from Contributions from Parent 198,000 62,500
Dividends Paid [Abstract]    
Proceeds from Advance for and Contribution in Aid of Construction, Financing Activity 201,235 155,594
Payment for Advance for Construction, Financing Activity (78,084) (59,271)
Proceeds from (Payment for) Other Financing Activity (1,473) (1,394)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 963,589 750,108
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 489,442 245,673
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 830,926 401,366
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 66,473 62,373
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 201,395 78,363
Entergy New Orleans [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 21,766 30,141
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 38,307 44,203
Deferred Income Taxes and Tax Credits (4,883) (9,350)
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (16,884) (22,585)
Increase (Decrease) in Fuel Inventories (1,135) (1,188)
Increase (Decrease) in Accounts Payable 2,969 (5,661)
Increase (Decrease) in Accrued Taxes Payable 10,635 19,556
Increase (Decrease) in Interest Payable, Net (959) (2,629)
Increase (Decrease) in Deferred Fuel Costs (2,798) (4,203)
Increase (Decrease) in Other Operating Assets and Liabilities, Net (12,181) (8,825)
Provision for Other Losses 1,307 (10,772)
Increase (Decrease) in Other Regulatory Assets (5,361) 10,338
Increase (Decrease) in Regulatory Liabilities (13,655) (13,791)
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (4,268) (4,804)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item 33 3,222
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 12,893 23,652
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 67,087 91,611
Allowance for Funds Used During Construction, Investing Activities 1,301 800
Change in money pool receivable - net 4,075 3,146
Changes in securitization account 0 1,611
Payments to storm reserve escrow accounts 1,323 1,664
Receipts from storm reserve escrow accounts 0 10,333
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (63,034) (77,385)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (89,106) (79,717)
Repayments of Long-Term Debt (85,000) (78,000)
Change in money pool payable - net 0 20,884
Dividends Paid [Abstract]    
Proceeds from (Payment for) Other Financing Activity (563) (619)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 3,543 21,982
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total (46,598) (31,751)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 63,666 26
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 16,267 27,816
Income Taxes Paid, Net 150 0
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 12,900 5,059
Entergy Texas [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 166,683 148,352
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 160,875 161,510
Deferred Income Taxes and Tax Credits (10,178) 21,466
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables (36,115) (36,849)
Increase (Decrease) in Fuel Inventories 1,770 9,817
Increase (Decrease) in Accounts Payable (11,168) 37,267
Increase (Decrease) in Accrued Taxes Payable 23,984 (20,591)
Increase (Decrease) in Interest Payable, Net 2,044 5,971
Increase (Decrease) in Deferred Fuel Costs (22,358) (69,075)
Increase (Decrease) in Other Operating Assets and Liabilities, Net 11,611 (6,447)
Provision for Other Losses (107) 1,201
Increase (Decrease) in Other Regulatory Assets 9,854 60,125
Increase (Decrease) in Regulatory Liabilities 23,369 (13,317)
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (8,027) (7,131)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item (45,650) (49,963)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 266,587 242,336
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 550,055 932,013
Allowance for Funds Used During Construction, Investing Activities 38,313 37,335
Change in money pool receivable - net (19,231) 13,669
Changes in securitization account 215 1,698
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (530,758) (879,311)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (419,755) (493,772)
Repayments of Long-Term Debt (8,673) (9,359)
Proceeds from Contributions from Parent 365,000 0
Dividends Paid [Abstract]    
Payments of Ordinary Dividends, Preferred Stock and Preference Stock 1,036 1,036
Proceeds from (Payment for) Other Financing Activity (1,134) (13,656)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 525,590 469,721
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 261,419 (167,254)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 536,527 17,743
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 83,825 78,477
Income Taxes Paid, Net (3,275) 2,077
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid 58,262 127,069
Repayments of Notes Payable 248,322 0
System Energy [Member]    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 46,343 44,714
Consolidated Net Income Adjustments To Reconcile Consolidated Net Income To Net Cash Flow [Abstract]    
Depreciation, Amortization and Accretion, Net 109,555 111,023
Deferred Income Taxes and Tax Credits 9,855 11,063
Changes In Working Capital [Abstract]    
Increase (Decrease) in Receivables 15,065 722
Increase (Decrease) in Accounts Payable (879) (18,674)
Increase (Decrease) in Accrued Taxes Payable (10,853) (10,605)
Increase (Decrease) in Interest Payable, Net 2,048 (99)
Increase (Decrease) in Other Operating Assets and Liabilities, Net (34,282) 344
Increase (Decrease) in Other Regulatory Assets 57,963 1,716
Increase (Decrease) in Regulatory Liabilities 22,573 52,405
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits (6,915) (6,875)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item (108,283) (54,233)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total 102,190 131,501
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]    
Payments to Acquire Property, Plant, and Equipment 110,599 51,746
Allowance for Funds Used During Construction, Investing Activities 3,759 3,484
Payments for Nuclear Fuel (129,546) (26,957)
Proceeds from Nuclear Fuel 15,206 43,555
Change in money pool receivable - net 0 (5,810)
Proceeds from Decommissioning Trust Fund Assets 491,305 369,739
Payments to Acquire Investments to be Held in Decommissioning Trust Fund (499,826) (388,253)
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total (229,701) (55,988)
Proceeds From Issuance Of [Abstract]    
Proceeds from Issuance of Long-Term Debt (364,108) (538,108)
Repayments of Long-Term Debt (266,262) (535,740)
Change in money pool payable - net 29,981 0
Dividends Paid [Abstract]    
Payments of Ordinary Dividends, Common Stock 0 (75,000)
Proceeds from (Payment for) Other Financing Activity (87) 0
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total 127,740 (72,632)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation, Total 229 2,881
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation 285 31,789
Cash Paid Received During Period For [Abstract]    
Interest Paid, Excluding Capitalized Interest, Operating Activity 36,622 33,146
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]    
Capital Expenditures Incurred but Not yet Paid $ 27,910 $ 8,448