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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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STOCK-BASED COMPENSATION (Entergy Corporation) (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	9 Months Ended
	Jan. 29, 2026	Jan. 31, 2026	Sep. 30, 2026
Share-Based Payment Arrangement
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period			3 years
Stock options \| 2019 Omnibus Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Grants in period (in shares)		298,829
Weighted average grants in period (in dollars per share)		$ 20.81
Options outstanding (in shares)			2,971,677
Weighted average exercise price of options outstanding (in dollars per share)			$ 60.47
Shares outstanding			$ 115.3
Other equity plans \| 2019 Omnibus Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period	3 years
Grants in period (in shares)	461,708
Weighted average grants in period (in dollars per share)	$ 96.03
Vesting rights percentage	33.33%
Restricted Stock Units (RSUs) \| 2019 Omnibus Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Grants in period (in shares)	20,954
Long Term Performance Unit
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Award vesting period	3 years
Long Term Performance Unit \| Performance measure based on relative total shareholder return
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average grants in period (in dollars per share)	$ 118.24
Long Term Performance Unit \| Performance measure based on the environmental achievement measure
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average grants in period (in dollars per share)	$ 96.03
Long Term Performance Unit \| 2019 Omnibus Incentive Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Grants in period (in shares)	195,692
Number of shares represented (in shares)			1
Performance period			3 years
Percent of performance measure based on relative total shareholder return	80.00%		80.00%
Percent of performance measure based on environmental achievement measure	10.00%		10.00%
Percent of performance measure based on a reliability achievement measure	10.00%		10.00%