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Business Segment Information (Segment Financial Information) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Segment Financial Information |  |  |
Operating revenues | $ 3,208,843 | $ 2,608,874 |
Income taxes (benefits) | 216,966 | 116,536 |
Consolidated net income | 406,053 | 166,982 | [1]
Utility [Member] |  |  |
Segment Financial Information |  |  |
Operating revenues | 2,304,704 | 2,003,441 |
Income taxes (benefits) | 115,064 | 71,075 |
Consolidated net income | 205,440 | 127,835 |
Entergy Wholesale Commodities [Member] |  |  |
Segment Financial Information |  |  |
Operating revenues | 912,122 | 613,733 |
Income taxes (benefits) | 118,877 | 56,936 |
Consolidated net income | 242,470 | 82,114 |
All Other [Member] |  |  |
Segment Financial Information |  |  |
Operating revenues | 761 | 1,000 |
Income taxes (benefits) | (16,975) | (11,475) |
Consolidated net income | (15,462) | (16,572) |
Eliminations [Member] |  |  |
Segment Financial Information |  |  |
Operating revenues | (8,744) | (9,300) |
Consolidated net income | $ (26,395) | $ (26,395) |
[1] | Consolidated net income and preferred dividend requirements of subsidiaries for 2014 and 2013 include $3.2 million and $3.9 million, respectively, of preferred dividends on subsidiaries’ preferred stock without sinking fund that is not presented within equity.

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