Change in Contract Amount For Decommissioning the Plants Less the Decommissioning Cost

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- Definition

Increase in decommissioning liability.

+ References

No definition available.

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- Definition

Present Value Of The Difference Between The Stipulated Contract Amount For Decommissioning The Plants Less The Decommissioning Cost

+ References

No definition available.

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- Definition

Present Value Of The Difference Between The Stipulated Contract Amount For Decommissioning The Plants Less The Decommissioning Cost After Impairment

+ References

No definition available.

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- Definition

Receivables recorded for beneficial interests in decommissioning trust funds for Indian Point 3 and FitzPatrick

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- Definition

Reduction in decommissioning liability.

+ References

No definition available.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Asset Retirement Obligation
-URI http://asc.fasb.org/extlink&oid=6505190

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- Definition

Decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. Decommission fund investment for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. In the case of a nuclear station this comprises three different states of clearance. Immediately after the final closure, radioactive material such as nuclear fuel and operational waste is removed and the buildings surrounding the reactor shield are dismantled and finally the reactor itself is dismantled.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Provision for the disposal costs of spent nuclear fuel from generating stations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.Y.Q2)
-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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Asset Retirement Obligations (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Receivables recorded for beneficial interests in decommissioning trust funds			$ 1,500,000
Decommissioning Fund Investments		$ 5,723,897		$ 5,349,953
Entergy Louisiana [Member]
Decommissioning Fund Investments		1,140,707		1,042,293
Asset Retirement Obligation		1,082,700		1,027,900		$ 950,300
System Energy [Member]
Decommissioning Fund Investments		780,496		701,460
Asset Retirement Obligation		854,200		803,400		757,900
Entergy Wholesale Commodities [Member]
Asset Retirement Obligation		300		300		0
Entergy Arkansas [Member]
Decommissioning Fund Investments		834,735		771,313
Asset Retirement Obligation		924,400		872,300		$ 818,400
Vermont Yankee [Member] \| Entergy Wholesale Commodities [Member]
Increase in decommissioning liability							$ 101,600
Spent Nuclear Fuel Obligation, Noncurrent					$ 225,000
Grand Gulf [Member] \| System Energy [Member]
Reduction in decommissioning liability				2,500
Waterford 3 [Member] \| Entergy Louisiana [Member]
Increase in decommissioning liability				24,900
Pilgrim [Member] \| Entergy Wholesale Commodities [Member]
Increase in decommissioning liability	$ 134,000
FitzPatrick [Member] \| Entergy Wholesale Commodities [Member]
Present Value Of The Difference Between The Stipulated Contract Amount For Decommissioning The Plants Less The Decommissioning Cost	335,000
Present Value Of The Difference Between The Stipulated Contract Amount For Decommissioning The Plants Less The Decommissioning Cost After Impairment	131,000
Change in Contract Amount For Decommissioning The Plants Less The Decommissioning Cost	$ 204,000
Asset Retirement Obligation		714,300
FitzPatrick [Member] \| NYPA [Member]
Decommissioning Fund Investments		785,000
Palisades [Member] \| Entergy Wholesale Commodities [Member]
Reduction in decommissioning liability					$ 77,600
Increase in decommissioning liability		129,000		$ 42,400
Indian Point Energy Center Units [Member] \| Entergy Wholesale Commodities [Member]
Increase in decommissioning liability		392,000
Indian Point 3 [Member] \| NYPA [Member]
Decommissioning Fund Investments		$ 719,000