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Stock-Based Compensation (Tables) - Parent Company [Member] | 3 Months Ended
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Mar. 31, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
Financial Information For Stock Options |
The following table includes financial information for outstanding stock options for the three months ended March 31, 2016 and 2015:
| 2016 |  | 2015
| (In Millions)
Compensation expense included in Entergy’s net income |  | $1.1 |  |  |  | $1.1 |
Tax benefit recognized in Entergy’s net income |  | $0.4 |  |  |  | $0.4 |
Compensation cost capitalized as part of fixed assets and inventory |  | $0.2 |  |  |  | $0.2 |
Financial Information For Restricted Stock |
The following table includes financial information for other outstanding equity awards for the three months ended March 31, 2016 and 2015:
| 2016 |  | 2015
| (In Millions)
Compensation expense included in Entergy’s net income |  | $8.4 |  |  |  | $8.1 |
Tax benefit recognized in Entergy’s net income |  | $3.2 |  |  |  | $3.1 |
Compensation cost capitalized as part of fixed assets and inventory |  | $1.8 |  |  |  | $1.5 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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