Derivative Instruments Gain Loss Reclassified From Accumulated OCI Into Income Effective Portion, Tax.

No definition available.

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- Definition

Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset and Liability Unrealized Gains (Loss) Included in Earnings

+ References

No definition available.

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- Definition

Letters of credit.

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- Definition

Planned generation sold forward from non utility nuclear power plants for the remainder of the period

+ References

No definition available.

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- Definition

Total planned generation for remainder of the period

+ References

No definition available.

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- Definition

Total volume of natural gas swaps outstanding.

+ References

No definition available.

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- Definition

Volume of Financial Transmission Rights Outstanding

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No definition available.

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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- Definition

Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Risk Management and Fair Values (Narrative) (Details) TWh in Millions, $ in Millions	2 Months Ended	3 Months Ended
	May 31, 2022 TWh	Mar. 31, 2022 USD ($) GWh MMBTU	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Maturity of cash flow hedges, Tax			$ 8.0
Total volume of natural gas swaps outstanding (MMBtu) \| MMBTU		37,339,100
Total volume of fixed transmission rights outstanding \| GWh		23,303
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset and Liability Unrealized Gains (Loss) Included in Earnings			0.7
Debt Securities, Available-for-sale, Allowance for Credit Loss		$ 3.2		$ 0.4
Letters Of Credit		3.0
Entergy Arkansas [Member]
Letters of Credit Outstanding, Amount		$ 0.3
Total volume of fixed transmission rights outstanding \| GWh		4,969
Entergy Louisiana [Member]
Total volume of natural gas swaps outstanding (MMBtu) \| MMBTU		14,620,000
Total volume of fixed transmission rights outstanding \| GWh		10,681
Entergy Mississippi [Member]
Letters of Credit Outstanding, Amount		$ 0.4		0.2
Total volume of natural gas swaps outstanding (MMBtu) \| MMBTU		22,719,100
Total volume of fixed transmission rights outstanding \| GWh		2,529
Entergy New Orleans [Member]
Total volume of fixed transmission rights outstanding \| GWh		1,070
Entergy Texas [Member]
Letters of Credit Outstanding, Amount				0.1
Total volume of fixed transmission rights outstanding \| GWh		3,959
Gas Hedge Contracts [Member] \| Entergy Louisiana [Member]
Maximum Length of Time Hedged in Cash Flow Hedge		2 years
Gas Hedge Contracts [Member] \| Entergy Mississippi [Member]
Maximum Length of Time Hedged in Cash Flow Hedge		7 months
Electricity Swaps And Options [Member] \| Cash Flow Hedging [Member] \| Competitive Businesses Operating Revenues [Member]
Maturity of cash flow hedges, before taxes			$ 39.0
Entergy Wholesale Commodities [Member]
Cash collateral posted		$ 8.0		$ 8.0
Utility [Member]
Letters Of Credit		$ 1.0
Subsequent Event [Member]
Planned generation sold forward from non utility nuclear power plants for the remainder of the period	99.00%
Total planned generation for remainder of the period \| TWh	1.1