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Retirement And Other Postretirement Benefits (Narrative) (Details) (USD $) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Expected current year pension contributions |  |  | $ 400,000,000 |
Pension contributions made through Year To Date |  |  | 138,100,000 |
Entergy Arkansas [Member] |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Expected current year pension contributions |  |  | 93,999,000 |
Pension contributions made through Year To Date |  |  | 32,746,000 |
Remaining estimated pension contributions to be made in current year | 61,253,000 |  | 61,253,000 |
Entergy Texas [Member] |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Expected current year pension contributions |  |  | 18,302,000 |
Pension contributions made through Year To Date |  |  | 5,889,000 |
Remaining estimated pension contributions to be made in current year | 12,413,000 |  | 12,413,000 |
Non-Qualified Pension Plans [Member] | Parent Company [Member] |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Net periodic benefit costs | 9,100,000 | 5,500,000 | 19,100,000 | 10,900,000
Settlement loss | 4,800,000 |  | 10,200,000 |
Non-Qualified Pension Plans [Member] | Entergy Arkansas [Member] |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Net periodic benefit costs | 119,000 | 102,000 | 280,000 | 205,000
Settlement loss | 11,000 |  | 62,000 |
Non-Qualified Pension Plans [Member] | Entergy Texas [Member] |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |
Net periodic benefit costs | 119,000 | 148,000 | 244,000 | 297,000
Settlement loss |  |  | $ 6,000 |

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- Definition The remaining contributions to be made in current fiscal year. + References No definition available. + Details
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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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