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v3.25.1

Retirement And Other Postretirement Benefits (Schedule of Expected Benefit Payments) (Details) - Pension Plan [Member] - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2025
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 52,900 |  |
Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 23,617 | $ 23,376 |
Entergy Louisiana [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 41,253 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 9,513 |  |
Entergy Louisiana [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 5,454 | 5,551 |
Entergy Louisiana [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | $ 31,740
Entergy Mississippi [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 8,064 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 2,580 |  |
Entergy Mississippi [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 1,304 | 1,284 |
Entergy Mississippi [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | 5,484
Entergy New Orleans [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 5,016 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 1,144 |  |
Entergy New Orleans [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 411 | 440 |
Entergy New Orleans [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | 3,872
Entergy Texas [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 7,725 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 1,745 |  |
Entergy Texas [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 1,024 | 961 |
Entergy Texas [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | 5,980
System Energy [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 15,668 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 3,328 |  |
System Energy [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | 1,372 | 1,384 |
System Energy [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | 12,340
Entergy Arkansas [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | 35,544 |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 10,776 |  |
Entergy Arkansas [Member] | Qualified Plan |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Service Cost | $ 4,427 | $ 4,099 |
Entergy Arkansas [Member] | Subsequent Event [Member] |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  |  | $ 24,768

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