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Equity (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Competitive Energy Revenue |  | $ 418,924 | $ 553,367
Other Nonoperating Income (Expense) |  | (31,356) | (15,189)
INCOME BEFORE INCOME TAXES |  | 179,863 | 93,814
Income taxes (benefits) |  | (43,663) | (7,763)
Consolidated net income | [1] | 136,200 | 86,051
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Consolidated net income |  | (6,741) | 26,549
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Consolidated net income |  | 33,694 | 2,045
Parent Company [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Competitive Energy Revenue |  | (30,082) | 51,227
Other Nonoperating Income (Expense) |  | (122) | (250)
INCOME BEFORE INCOME TAXES |  | (30,204) | 50,977
Income taxes (benefits) |  | 6,343 | (17,841)
Consolidated net income |  | (23,861) | 33,136
Parent Company [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Realized gain (loss) |  | 53,314 | 4,010
Income taxes (benefits) |  | (19,620) | (1,965)
Parent Company [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of prior-service credit |  | 5,426 | 6,562
Amortization of loss |  | (24,952) | (21,571)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement |  | (1,616) | 0
INCOME BEFORE INCOME TAXES |  | (21,142) | (15,009)
Income taxes (benefits) |  | 4,568 | 6,377
Consolidated net income |  | (16,574) | (8,632)
Entergy Louisiana [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other Nonoperating Income (Expense) |  | (7,665) | (9,142)
INCOME BEFORE INCOME TAXES |  | 133,341 | 137,303
Income taxes (benefits) |  | (21,748) | (42,925)
Consolidated net income |  | 111,593 | 94,378
Entergy Louisiana [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of prior-service credit |  | 1,934 | 1,934
Amortization of loss |  | (1,257) | (1,332)
INCOME BEFORE INCOME TAXES |  | 677 | 602
Income taxes (benefits) |  | (176) | (232)
Consolidated net income |  | $ 501 | $ 370
[1] | Text selection found with no content.

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