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Equity (Schedule of Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Other Nonoperating Income (Expense) | $ (342,549) |  | $ (48,544) |  | $ (393,294) | $ (102,997)
Income Tax Expense (Benefit) | (33,634) |  | (134,796) |  | (54,627) | (55,821)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | (246,489) |  | 3,292 |  | (242,821) | 1,265
Consolidated net income | 51,732 | $ 76,536 | 392,014 | $ 312,299 | 128,268 | 704,312
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (246,489) |  | 3,292 |  | (242,821) | 1,265
Reclassification out of Accumulated Other Comprehensive Income [Member] | Net Periodic Pension And Other Postretirement Benefit Costs [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | 3,473 |  | 3,398 |  | 6,946 | 6,795
Defined Benefit Plan, Amortization of Gain (Loss) | 1,641 |  | 1,633 |  | 3,037 | 3,295
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | (316,974) |  | (674) |  | (316,974) | (8,490)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax | (311,860) |  | 4,357 |  | (306,991) | 1,600
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax | (65,371) |  | 1,065 |  | (64,170) | 335
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | (246,489) |  | 3,292 |  | (242,821) | 1,265
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (246,489) |  | 3,292 |  | (242,821) | 1,265
Entergy Louisiana [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Other Nonoperating Income (Expense) | (20,646) |  | (42,583) |  | (67,821) | (90,668)
Income Tax Expense (Benefit) | (20,750) |  | (68,561) |  | (59,674) | 42,268
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | 2,023 |  | 1,773 |  | 4,047 | 2,559
Consolidated net income | 131,114 | $ 182,723 | 263,260 | $ 244,024 | 313,837 | 507,284
Entergy Louisiana [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Net Periodic Pension And Other Postretirement Benefit Costs [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | 1,136 |  | 951 |  | 2,272 | 1,902
Defined Benefit Plan, Amortization of Gain (Loss) | 1,632 |  | 1,564 |  | 3,266 | 3,129
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment | 0 |  | (89) |  | 0 | (1,529)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax | 2,768 |  | 2,426 |  | 5,538 | 3,502
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax | 745 |  | 653 |  | 1,491 | 943
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax | 2,023 |  | 1,773 |  | 4,047 | 2,559
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | 2,023 |  | 1,773 |  | 4,047 | 2,559
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | $ 2,023 |  | $ 1,773 |  | $ 4,047 | $ 2,559

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