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Retirement And Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2025
Defined Benefit Plan Disclosure [Line Items] |
Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block] | Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the third quarters of 2025 and 2024:
2025 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $3,494 |  |  | ($31) |  |  | $3,463 |
Amortization of net gain (loss) |  | (418) |  |  | 2,786 |  |  | (103) |  |  | 2,265 |
Settlement loss |  | (167) |  |  | — |  |  | (238) |  |  | (405) |
|  | ($585) |  |  | $6,280 |  |  | ($372) |  |  | $5,323 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $1,136 |  |  | $— |  |  | $1,136 |
Amortization of net gain (loss) |  | (94) |  |  | 1,500 |  |  | — |  |  | 1,406 |
Settlement loss |  | (106) |  |  | — |  |  | — |  |  | (106) |
|  | ($200) |  |  | $2,636 |  |  | $— |  |  | $2,436 |
2024 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $3,513 |  |  | ($40) |  |  | $3,473 |
Amortization of net gain (loss) |  | (405) |  |  | 2,615 |  |  | (80) |  |  | 2,130 |
|  | ($405) |  |  | $6,128 |  |  | ($120) |  |  | $5,603 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $1,136 |  |  | $— |  |  | $1,136 |
Amortization of net gain (loss) |  | (104) |  |  | 1,738 |  |  | — |  |  | 1,634 |
|  | ($104) |  |  | $2,874 |  |  | $— |  |  | $2,770 |
Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the nine months ended September 30, 2025 and 2024:
2025 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $10,480 |  |  | ($93) |  |  | $10,387 |
Amortization of net gain (loss) |  | (1,240) |  |  | 8,926 |  |  | (319) |  |  | 7,367 |
Settlement loss |  | (167) |  |  | — |  |  | (238) |  |  | (405) |
|  | ($1,407) |  |  | $19,406 |  |  | ($650) |  |  | $17,349 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $3,408 |  |  | $— |  |  | $3,408 |
Amortization of net gain (loss) |  | (276) |  |  | 5,122 |  |  | (2) |  |  | 4,844 |
Settlement loss |  | (106) |  |  | — |  |  | — |  |  | (106) |
|  | ($382) |  |  | $8,530 |  |  | ($2) |  |  | $8,146 |
2024 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $10,539 |  |  | ($120) |  |  | $10,419 |
Amortization of net gain (loss) |  | (2,438) |  |  | 7,845 |  |  | (240) |  |  | 5,167 |
Settlement loss |  | (316,974) |  |  | — |  |  | — |  |  | (316,974) |
|  | ($319,412) |  |  | $18,384 |  |  | ($360) |  |  | ($301,388) |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $3,408 |  |  | $— |  |  | $3,408 |
Amortization of net gain (loss) |  | (312) |  |  | 5,214 |  |  | (2) |  |  | 4,900 |
|  | ($312) |  |  | $8,622 |  |  | ($2) |  |  | $8,308 |
Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | Entergy’s qualified pension costs, including amounts capitalized, for the third quarters of 2025 and 2024, included the following components:
| 2025 |  | 2024
| (In Thousands)
Service cost - benefits earned during the period | $23,454 |  |  | $23,358 |
Interest cost on projected benefit obligation | 58,145 |  |  | 56,631 |
Expected return on assets | (75,383) |  |  | (76,557) |
Recognized net loss | 13,086 |  |  | 14,322 |
Settlement charges | 23,874 |  |  | — |
Asset transfer gain (a) | (5,780) |  |  | — |
Net pension cost | $37,396 |  |  | $17,754 |
Entergy’s qualified pension costs, including amounts capitalized, for the nine months ended September 30, 2025 and 2024, included the following components:
| 2025 |  | 2024
| (In Thousands)
Service cost - benefits earned during the period | $70,688 |  |  | $70,104 |
Interest cost on projected benefit obligation | 177,505 |  |  | 193,218 |
Expected return on assets | (225,943) |  |  | (262,043) |
Recognized net loss | 39,704 |  |  | 44,296 |
Settlement charges | 23,874 |  |  | 325,253 |
Asset transfer gain (a) | (5,780) |  |  | — |
Net pension cost | $80,048 |  |  | $370,828 |
Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | Entergy’s other postretirement benefits cost (income), including amounts capitalized, for the third quarters of 2025 and 2024, included the following components:
| 2025 |  | 2024
| (In Thousands)
Service cost - benefits earned during the period | $2,702 |  |  | $3,126 |
Interest cost on accumulated postretirement benefit obligation (APBO) | 9,447 |  |  | 9,852 |
Expected return on assets | (9,830) |  |  | (10,569) |
Amortization of prior service credit | (5,661) |  |  | (5,720) |
Recognized net gain | (3,679) |  |  | (2,761) |
Settlement credit | (2,957) |  |  | — |
Curtailment credit | (2,202) |  |  | — |
Asset transfer loss (a) | 13,725 |  |  | — |
Net other postretirement benefits cost (income) | $1,545 |  |  | ($6,072) |
Entergy’s other postretirement benefits income, including amounts capitalized, for the nine months ended September 30, 2025 and 2024, included the following components:
| 2025 |  | 2024
| (In Thousands)
Service cost - benefits earned during the period | $8,216 |  |  | $9,378 |
Interest cost on APBO | 28,827 |  |  | 29,556 |
Expected return on assets | (30,248) |  |  | (31,707) |
Amortization of prior service credit | (17,101) |  |  | (17,160) |
Recognized net gain | (11,419) |  |  | (8,283) |
Settlement credit | (2,957) |  |  | — |
Curtailment credit | (2,202) |  |  | — |
Asset transfer loss (a) | 13,725 |  |  | — |
Net other postretirement benefits income | ($13,159) |  |  | ($18,216) |
Entergy Arkansas [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
Entergy Arkansas [Member] | Pension Plan [Member] | Nonqualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for third quarters of 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $46 |  |  | $35 |  |  | $301 |  |  | $34 |  |  | $39 |
2024 | $68 |  |  | $51 |  |  | $83 |  |  | $31 |  |  | $62 |
The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the nine months ended September 30, 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $140 |  |  | $107 |  |  | $481 |  |  | $104 |  |  | $117 |
2024 | $204 |  |  | $153 |  |  | $249 |  |  | $93 |  |  | $186 |
Entergy Arkansas [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |
Entergy Louisiana [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block] | Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the third quarters of 2025 and 2024:
2025 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $3,494 |  |  | ($31) |  |  | $3,463 |
Amortization of net gain (loss) |  | (418) |  |  | 2,786 |  |  | (103) |  |  | 2,265 |
Settlement loss |  | (167) |  |  | — |  |  | (238) |  |  | (405) |
|  | ($585) |  |  | $6,280 |  |  | ($372) |  |  | $5,323 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $1,136 |  |  | $— |  |  | $1,136 |
Amortization of net gain (loss) |  | (94) |  |  | 1,500 |  |  | — |  |  | 1,406 |
Settlement loss |  | (106) |  |  | — |  |  | — |  |  | (106) |
|  | ($200) |  |  | $2,636 |  |  | $— |  |  | $2,436 |
2024 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $3,513 |  |  | ($40) |  |  | $3,473 |
Amortization of net gain (loss) |  | (405) |  |  | 2,615 |  |  | (80) |  |  | 2,130 |
|  | ($405) |  |  | $6,128 |  |  | ($120) |  |  | $5,603 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $1,136 |  |  | $— |  |  | $1,136 |
Amortization of net gain (loss) |  | (104) |  |  | 1,738 |  |  | — |  |  | 1,634 |
|  | ($104) |  |  | $2,874 |  |  | $— |  |  | $2,770 |
Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the nine months ended September 30, 2025 and 2024:
2025 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $10,480 |  |  | ($93) |  |  | $10,387 |
Amortization of net gain (loss) |  | (1,240) |  |  | 8,926 |  |  | (319) |  |  | 7,367 |
Settlement loss |  | (167) |  |  | — |  |  | (238) |  |  | (405) |
|  | ($1,407) |  |  | $19,406 |  |  | ($650) |  |  | $17,349 |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $3,408 |  |  | $— |  |  | $3,408 |
Amortization of net gain (loss) |  | (276) |  |  | 5,122 |  |  | (2) |  |  | 4,844 |
Settlement loss |  | (106) |  |  | — |  |  | — |  |  | (106) |
|  | ($382) |  |  | $8,530 |  |  | ($2) |  |  | $8,146 |
2024 |  | Qualified Pension Costs |  | Other Postretirement Costs |  | Non-Qualified Pension Costs |  | Total
|  | (In Thousands) |  |
Entergy |  |  |  |  |  |  |  |
Amortization of prior service credit (cost) |  | $— |  |  | $10,539 |  |  | ($120) |  |  | $10,419 |
Amortization of net gain (loss) |  | (2,438) |  |  | 7,845 |  |  | (240) |  |  | 5,167 |
Settlement loss |  | (316,974) |  |  | — |  |  | — |  |  | (316,974) |
|  | ($319,412) |  |  | $18,384 |  |  | ($360) |  |  | ($301,388) |
Entergy Louisiana |  |  |  |  |  |  |  |
Amortization of prior service credit |  | $— |  |  | $3,408 |  |  | $— |  |  | $3,408 |
Amortization of net gain (loss) |  | (312) |  |  | 5,214 |  |  | (2) |  |  | 4,900 |
|  | ($312) |  |  | $8,622 |  |  | ($2) |  |  | $8,308 |
Entergy Louisiana [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
Entergy Louisiana [Member] | Pension Plan [Member] | Nonqualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for third quarters of 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $46 |  |  | $35 |  |  | $301 |  |  | $34 |  |  | $39 |
2024 | $68 |  |  | $51 |  |  | $83 |  |  | $31 |  |  | $62 |
The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the nine months ended September 30, 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $140 |  |  | $107 |  |  | $481 |  |  | $104 |  |  | $117 |
2024 | $204 |  |  | $153 |  |  | $249 |  |  | $93 |  |  | $186 |
Entergy Louisiana [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |
Entergy Mississippi [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
Entergy Mississippi [Member] | Pension Plan [Member] | Nonqualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for third quarters of 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $46 |  |  | $35 |  |  | $301 |  |  | $34 |  |  | $39 |
2024 | $68 |  |  | $51 |  |  | $83 |  |  | $31 |  |  | $62 |
The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the nine months ended September 30, 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $140 |  |  | $107 |  |  | $481 |  |  | $104 |  |  | $117 |
2024 | $204 |  |  | $153 |  |  | $249 |  |  | $93 |  |  | $186 |
Entergy Mississippi [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |
Entergy New Orleans [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
Entergy New Orleans [Member] | Pension Plan [Member] | Nonqualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for third quarters of 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $46 |  |  | $35 |  |  | $301 |  |  | $34 |  |  | $39 |
2024 | $68 |  |  | $51 |  |  | $83 |  |  | $31 |  |  | $62 |
The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the nine months ended September 30, 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $140 |  |  | $107 |  |  | $481 |  |  | $104 |  |  | $117 |
2024 | $204 |  |  | $153 |  |  | $249 |  |  | $93 |  |  | $186 |
Entergy New Orleans [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |
Entergy Texas [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
Entergy Texas [Member] | Pension Plan [Member] | Nonqualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for third quarters of 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $46 |  |  | $35 |  |  | $301 |  |  | $34 |  |  | $39 |
2024 | $68 |  |  | $51 |  |  | $83 |  |  | $31 |  |  | $62 |
The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the nine months ended September 30, 2025 and 2024:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas
| (In Thousands)
2025 | $140 |  |  | $107 |  |  | $481 |  |  | $104 |  |  | $117 |
2024 | $204 |  |  | $153 |  |  | $249 |  |  | $93 |  |  | $186 |
Entergy Texas [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |
System Energy [Member] | Pension Plan [Member] | Qualified Plan |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,385 |  |  | $5,403 |  |  | $1,296 |  |  | $410 |  |  | $1,008 |  |  | $1,352 |
Interest cost on projected benefit obligation |  | 13,580 |  |  | 14,347 |  |  | 3,661 |  |  | 1,613 |  |  | 2,917 |  |  | 3,497 |
Expected return on assets |  | (17,791) |  |  | (18,981) |  |  | (5,039) |  |  | (1,946) |  |  | (3,890) |  |  | (4,605) |
Recognized net loss |  | 4,171 |  |  | 2,367 |  |  | 750 |  |  | 703 |  |  | 454 |  |  | 954 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $5,799 |  |  | $6,646 |  |  | $814 |  |  | $5,041 |  |  | $1,106 |  |  | $1,710 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $4,101 |  |  | $5,550 |  |  | $1,284 |  |  | $441 |  |  | $963 |  |  | $1,380 |
Interest cost on projected benefit obligation |  | 13,218 |  |  | 13,962 |  |  | 3,522 |  |  | 1,569 |  |  | 2,832 |  |  | 3,375 |
Expected return on assets |  | (18,156) |  |  | (19,446) |  |  | (5,112) |  |  | (2,202) |  |  | (4,077) |  |  | (4,602) |
Recognized net loss |  | 5,745 |  |  | 2,601 |  |  | 1,140 |  |  | 471 |  |  | 393 |  |  | 1,155 |
Net pension cost |  | $4,908 |  |  | $2,667 |  |  | $834 |  |  | $279 |  |  | $111 |  |  | $1,308 |
The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024, included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $13,239 |  |  | $16,311 |  |  | $3,904 |  |  | $1,232 |  |  | $3,056 |  |  | $4,096 |
Interest cost on projected benefit obligation |  | 41,208 |  |  | 43,755 |  |  | 11,059 |  |  | 4,907 |  |  | 8,863 |  |  | 10,667 |
Expected return on assets |  | (53,143) |  |  | (56,775) |  |  | (14,937) |  |  | (6,294) |  |  | (11,668) |  |  | (13,755) |
Recognized net loss |  | 13,753 |  |  | 6,903 |  |  | 2,394 |  |  | 1,533 |  |  | 1,362 |  |  | 3,182 |
Settlement charges |  | 1,454 |  |  | 5,982 |  |  | 146 |  |  | 6,195 |  |  | 617 |  |  | 512 |
Asset transfer gain (a) |  | — |  |  | (2,472) |  |  | — |  |  | (1,934) |  |  | — |  |  | — |
Net pension cost |  | $16,511 |  |  | $13,704 |  |  | $2,566 |  |  | $5,639 |  |  | $2,230 |  |  | $4,702 |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $12,300 |  |  | $16,652 |  |  | $3,852 |  |  | $1,321 |  |  | $2,886 |  |  | $4,147 |
Interest cost on projected benefit obligation |  | 39,652 |  |  | 41,884 |  |  | 10,564 |  |  | 4,707 |  |  | 8,494 |  |  | 10,152 |
Expected return on assets |  | (54,466) |  |  | (58,340) |  |  | (15,338) |  |  | (6,609) |  |  | (12,231) |  |  | (13,883) |
Recognized net loss |  | 17,237 |  |  | 7,805 |  |  | 3,420 |  |  | 1,411 |  |  | 1,179 |  |  | 3,482 |
Settlement charges |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 611 |
Net pension cost |  | $14,723 |  |  | $8,001 |  |  | $2,498 |  |  | $830 |  |  | $328 |  |  | $4,509 |
Schedule of Expected Benefit Payments [Table Text Block] | Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:
| Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
| (In Thousands)
Expected 2025 pension contributions | $35,544 |  |  | $41,253 |  |  | $8,064 |  |  | $5,016 |  |  | $7,725 |  |  | $15,668 |
Pension contributions made through September 2025 | $23,160 |  |  | $25,383 |  |  | $5,322 |  |  | $3,080 |  |  | $4,735 |  |  | $9,498 |
Remaining estimated pension contributions to be made in 2025 | $12,384 |  |  | $15,870 |  |  | $2,742 |  |  | $1,936 |  |  | $2,990 |  |  | $6,170 |
System Energy [Member] | Other Postretirement Benefits Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs [Table Text Block] | The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the third quarters of 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $571 |  |  | $632 |  |  | $162 |  |  | $32 |  |  | $158 |  |  | $175 |
Interest cost on APBO |  | 1,775 |  |  | 1,932 |  |  | 489 |  |  | 203 |  |  | 581 |  |  | 394 |
Expected return on assets |  | (4,225) |  |  | — |  |  | (1,327) |  |  | (1,065) |  |  | (2,451) |  |  | (703) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (170) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | (353) |  |  | (1,500) |  |  | (58) |  |  | (83) |  |  | 154 |  |  | (7) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($1,708) |  |  | ($4,721) |  |  | ($973) |  |  | $16,097 |  |  | ($2,651) |  |  | ($214) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $642 |  |  | $700 |  |  | $184 |  |  | $51 |  |  | $168 |  |  | $175 |
Interest cost on APBO |  | 1,833 |  |  | 1,999 |  |  | 486 |  |  | 253 |  |  | 603 |  |  | 398 |
Expected return on assets |  | (4,384) |  |  | — |  |  | (1,372) |  |  | (1,479) |  |  | (2,539) |  |  | (728) |
Amortization of prior service cost (credit) |  | 524 |  |  | (1,136) |  |  | (239) |  |  | (229) |  |  | (1,093) |  |  | (73) |
Recognized net (gain) loss |  | — |  |  | (1,738) |  |  | 15 |  |  | 19 |  |  | 148 |  |  | — |
Net other postretirement benefits income |  | ($1,385) |  |  | ($175) |  |  | ($926) |  |  | ($1,385) |  |  | ($2,713) |  |  | ($228) |
The Registrant Subsidiaries’ other postretirement benefits cost (income), including amounts capitalized, for their current and former employees for the nine months ended September 30, 2025 and 2024 included the following components:
2025 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,715 |  |  | $1,974 |  |  | $486 |  |  | $136 |  |  | $476 |  |  | $523 |
Interest cost on APBO |  | 5,325 |  |  | 5,956 |  |  | 1,467 |  |  | 701 |  |  | 1,745 |  |  | 1,182 |
Expected return on assets |  | (12,675) |  |  | — |  |  | (3,983) |  |  | (3,955) |  |  | (7,355) |  |  | (2,107) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (628) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | (1,059) |  |  | (5,122) |  |  | (172) |  |  | (137) |  |  | 460 |  |  | (21) |
Settlement credit |  | — |  |  | (1,014) |  |  | — |  |  | (1,345) |  |  | — |  |  | — |
Curtailment credit |  | — |  |  | (1,094) |  |  | — |  |  | (268) |  |  | — |  |  | — |
Asset transfer (gain) loss (a) |  | — |  |  | (2,541) |  |  | — |  |  | 18,793 |  |  | — |  |  | — |
Net other postretirement benefits cost (income) |  | ($5,122) |  |  | ($5,249) |  |  | ($2,919) |  |  | $13,297 |  |  | ($7,953) |  |  | ($642) |
2024 |  | Entergy Arkansas |  | Entergy Louisiana |  | Entergy Mississippi |  | Entergy New Orleans |  | Entergy Texas |  | System Energy
|  | (In Thousands)
Service cost - benefits earned during the period |  | $1,926 |  |  | $2,100 |  |  | $552 |  |  | $153 |  |  | $504 |  |  | $525 |
Interest cost on APBO |  | 5,499 |  |  | 5,997 |  |  | 1,458 |  |  | 759 |  |  | 1,809 |  |  | 1,194 |
Expected return on assets |  | (13,152) |  |  | — |  |  | (4,116) |  |  | (4,437) |  |  | (7,617) |  |  | (2,184) |
Amortization of prior service cost (credit) |  | 1,572 |  |  | (3,408) |  |  | (717) |  |  | (687) |  |  | (3,279) |  |  | (219) |
Recognized net (gain) loss |  | — |  |  | (5,214) |  |  | 45 |  |  | 57 |  |  | 444 |  |  | — |
Net other postretirement benefits income |  | ($4,155) |  |  | ($525) |  |  | ($2,778) |  |  | ($4,155) |  |  | ($8,139) |  |  | ($684) |

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