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v3.23.2

Retirement And Other Postretirement Benefits (Expected Employer Contributions) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Dec. 31, 2023 | Jun. 30, 2023
Entergy Louisiana [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | $ 44,565
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | 13,518
Entergy Louisiana [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 31,047 |
Entergy Mississippi [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | 21,110
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | 7,130
Entergy Mississippi [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 13,980 |
Entergy New Orleans [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | 1,420
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | 355
Entergy New Orleans [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 1,065 |
Entergy Texas [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | 5,314
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | 1,438
Entergy Texas [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 3,876 |
System Energy [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | 15,543
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | 5,529
System Energy [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 10,014 |
Entergy Arkansas [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year |  | 54,468
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | $ 18,444
Entergy Arkansas [Member] | Subsequent Event [Member] |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 36,024 |

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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