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Business Segment Information | 9 Months Ended
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Sep. 30, 2025
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
Entergy Arkansas [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
Entergy Louisiana [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
Entergy Mississippi [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
Entergy New Orleans [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
Entergy Texas [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.
System Energy [Member] |
Segment Reporting Disclosure [Text Block] | BUSINESS SEGMENT INFORMATION (Entergy Corporation, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, and System Energy) Entergy has a single reportable segment, Utility, which includes the generation, transmission, distribution, and sale of electric power in portions of Arkansas, Mississippi, Texas, and Louisiana, including the City of New Orleans; and included operation of a small natural gas distribution business in portions of Louisiana through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy Louisiana and Entergy New Orleans natural gas distribution businesses on July 1, 2025. Parent & Other includes the parent company, Entergy Corporation, and other business activity, including Entergy’s non-utility operations business, which is an operating segment that does not meet the quantitative thresholds for determining reportable segments. The following table includes operating revenues and significant expense categories regularly provided to the chief operating decision maker for the Utility segment, a reconciliation of Utility operating revenues to Entergy’s consolidated operating revenues, and a reconciliation of Utility net income to consolidated net income and net income attributable to Entergy Corporation for the three and nine months ended September 30, 2025 and 2024:
|  | Three Months Ended |  | Nine Months Ended
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (In Thousands) |  | (In Thousands)
Utility operating revenues |  | $3,797,332 |  |  | $3,370,138 |  |  | $9,942,652 |  |  | $9,083,715 |
Reconciliation of revenues: |  |  |  |  |  |  |  |
Other revenues (a) |  | 14,709 |  |  | 18,985 |  |  | 45,157 |  |  | 53,687 |
Elimination of intersegment revenues |  | (22) |  |  | (23) |  |  | (67) |  |  | (54) |
Consolidated operating revenues |  | 3,812,019 |  |  | 3,389,100 |  |  | 9,987,742 |  |  | 9,137,348 |
Less Utility expenses and other items: |  |  |  |  |  |  |  |
Fuel, fuel-related expenses, and gas purchased for resale |  | 817,038 |  |  | 637,074 |  |  | 1,787,794 |  |  | 1,755,701 |
Purchased power |  | 265,629 |  |  | 205,144 |  |  | 980,555 |  |  | 617,348 |
Other operation and maintenance expenses |  | 763,966 |  |  | 714,162 |  |  | 2,139,736 |  |  | 2,080,867 |
Other regulatory charges (credits) - net |  | (23,815) |  |  | (102,911) |  |  | (96,615) |  |  | 132,043 |
Other Utility items (b) |  | 1,159,927 |  |  | 1,129,807 |  |  | 3,223,380 |  |  | 3,071,595 |
Utility net income |  | 814,587 |  |  | 786,862 |  |  | 1,907,802 |  |  | 1,426,161 |
Reconciliation of net income: |  |  |  |  |  |  |  |
Non-cash pension settlement charge (c) |  | — |  |  | — |  |  | — |  |  | (316,738) |
Income taxes on reconciling item noted above |  | — |  |  | — |  |  | — |  |  | 66,515 |
Other loss |  | (42,982) |  |  | (63,526) |  |  | (152,032) |  |  | (165,888) |
Elimination of intersegment loss |  | (73,181) |  |  | (77,582) |  |  | (222,970) |  |  | (236,028) |
Consolidated net income |  | 698,424 |  |  | 645,754 |  |  | 1,532,800 |  |  | 774,022 |
Preferred dividend requirements of subsidiaries and noncontrolling interests (d) |  | 4,624 |  |  | 814 |  |  | 10,310 |  |  | 4,879 |
Net income attributable to Entergy Corporation |  | $693,800 |  |  | $644,940 |  |  | $1,522,490 |  |  | $769,143 |
(a)See Note 12 to the financial statements herein and Note 19 to the financial statements in the Form 10-K for discussion of other revenues. (b)Other Utility items includes nuclear refueling outage expenses, asset write-offs, decommissioning expenses, taxes other than income taxes, depreciation and amortization expenses, other income, interest expense, and income tax expense. (c)See Note 11 to the financial statements in the Form 10-K for discussion of the one-time non-cash pension settlement charge resulting from a group annuity contract purchased in second quarter 2024 to settle certain pension liabilities, of which $8 million was recorded at Utility and $317 million was recorded at Parent & Other. (d)Preferred dividend requirements of subsidiaries and noncontrolling interests is substantially derived from the Utility segment. See Note 6 to the financial statements in the Form 10-K for discussion of preferred stock and noncontrolling interests. The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the three months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $580,980 |  |  | $1,718 |  |  | $— |  |  | $582,698 |
Interest and investment income |  | $177,587 |  |  | $1,878 |  |  | ($73,375) |  |  | $106,090 |
Interest expense |  | $268,090 |  |  | $56,983 |  |  | ($195) |  |  | $324,878 |
Income taxes |  | $223,065 |  |  | ($17,758) |  |  | $— |  |  | $205,307 |
2024 |  |  |  |  |  |  |  |
Depreciation, amortization, and decommissioning |  | $552,161 |  |  | $1,640 |  |  | $— |  |  | $553,801 |
Interest and investment income |  | $137,518 |  |  | $4,274 |  |  | ($77,476) |  |  | $64,316 |
Interest expense |  | $228,493 |  |  | $66,545 |  |  | $105 |  |  | $295,143 |
Income taxes |  | $237,225 |  |  | ($21,750) |  |  | $— |  |  | $215,475 |
The following table presents segment financial information for Entergy’s single reportable segment, Utility, and a reconciliation to the corresponding consolidated amounts for Entergy Corporation for the nine months ended September 30, 2025 and 2024:
|  | Utility |  | Parent & Other |  | Eliminations |  | Consolidated
|  | (In Thousands)
2025 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $12,795 |  |  | $— |  |  | $— |  |  | $12,795 |
Depreciation, amortization, and decommissioning |  | $1,725,553 |  |  | $5,169 |  |  | $— |  |  | $1,730,722 |
Interest and investment income |  | $445,010 |  |  | $5,712 |  |  | ($223,807) |  |  | $226,915 |
Interest expense |  | $796,254 |  |  | $181,327 |  |  | ($838) |  |  | $976,743 |
Income taxes |  | $490,174 |  |  | ($46,427) |  |  | $— |  |  | $443,747 |
Total assets as of September 30, 2025 |  | $73,992,202 |  |  | $745,682 |  |  | ($4,889,477) |  |  | $69,848,407 |
Total expenditures for additions to long-lived assets |  | $5,725,533 |  |  | $1,247 |  |  | $— |  |  | $5,726,780 |
2024 |  |  |  |  |  |  |  |
Asset write-offs, impairments, and related charges (credits) |  | $131,775 |  |  | $— |  |  | $— |  |  | $131,775 |
Depreciation, amortization, and decommissioning |  | $1,661,613 |  |  | $4,786 |  |  | $— |  |  | $1,666,399 |
Interest and investment income |  | $504,018 |  |  | $19,628 |  |  | ($238,046) |  |  | $285,600 |
Interest expense |  | $666,151 |  |  | $187,786 |  |  | ($2,017) |  |  | $851,920 |
Income taxes |  | $384,790 |  |  | ($114,687) |  |  | $— |  |  | $270,103 |
Total assets as of December 31, 2024 |  | $68,951,564 |  |  | $721,459 |  |  | ($4,882,991) |  |  | $64,790,032 |
Total expenditures for additions to long-lived assets |  | $4,015,162 |  |  | $958 |  |  | $— |  |  | $4,016,120 |
Eliminations are primarily intersegment activity. All of Entergy’s goodwill is related to the Utility segment. Registrant Subsidiaries Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, and Entergy Texas each has one operating and reportable segment, an integrated utility business which includes the generation, transmission, and distribution of electric power; and included operation of a small natural gas distribution business at each of Entergy Louisiana and Entergy New Orleans through June 30, 2025. See Note 13 to the financial statements herein for discussion of the sale of the Entergy New Orleans and Entergy Louisiana natural gas distribution businesses on July 1, 2025. System Energy has one operating and reportable segment, which is an electricity generation business. Each of the Registrant Subsidiaries’ operations are managed on an integrated basis by that company because of the substantial effect of cost-based rates and regulatory oversight on the business process, cost structures, and operating results. All segment financial information for the Registrant Subsidiaries is as reported on the respective financial statements for each of the Registrant Subsidiaries.

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