Equity [Line Items]

No definition available.

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Namespace Prefix:	etr_
Data Type:	xbrli:stringItemType
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- Definition

Forward Sale Agreement, Forward Sellers Fees

+ References

No definition available.

+ Details

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Namespace Prefix:	etr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Forward Sale Agreement, Gross Sales Price

+ References

No definition available.

+ Details

Name:	etr_ForwardSaleAgreementGrossSalesPrice
Namespace Prefix:	etr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The per share price of the Company's stock at which the contract holder of the freestanding contract has the right to purchase or sell the Company's stock at a future date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount that would be paid upon settlement of forward contract indexed to equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of shares as a settlement alternative for each freestanding forward contract.

+ References

+ Details

Name:	us-gaap_ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum number of shares that could be issued to settle forward contract indexed to equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

Name:	us-gaap_ForwardContractIndexedToIssuersEquityShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
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EQUITY (Entergy Corporation and Entergy Louisiana) (Schedule of Forward Sales Agreements Settled) (Details) - Equity Distribution Program - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended
	Jun. 30, 2026	Feb. 28, 2026	Mar. 31, 2025	Sep. 30, 2024	Sep. 30, 2024	Sep. 15, 2024	Sep. 30, 2026
Equity [Line Items]
Cash Proceeds at Settlement							$ 2,800,000
Common Stock
Equity [Line Items]
Shares of Common Stock Issued (in shares)			2,713,790	888,756	1,900,000	1,169,070
Gross Sales Price			$ 232,216	$ 57,702	$ 115,314	$ 70,952
Forward Sellers Fees			$ 2,322	$ 577	$ 1,153	$ 710
Shares of Common Stock Issued (in shares)	2,057,826	4,613,790
Forward Sale Price per Share (in dollars per share)	$ 61.28	$ 75.05
Cash Proceeds at Settlement	$ 126,098	$ 346,243