Preferred Equity (Schedule Of Number Of Shares And Units Authorized And Outstanding And Dollar Value Of Preferred Stock) (Details) - USD ($)	1 Months Ended								12 Months Ended
	Mar. 31, 2023	May 31, 2022	Nov. 30, 2021	Sep. 30, 2019	Nov. 30, 2018	Nov. 30, 2017	Oct. 31, 2015	Dec. 31, 2013	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 01, 2021
Temporary Equity, Shares Authorized									450,000	450,000
Temporary Equity, Shares Outstanding									450,000	450,000
Equity, Attributable to Noncontrolling Interest									$ 120,459,000	$ 97,907,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 219,410,000	$ 219,410,000
Preferred stock or preferred membership interests without sinking fund, Shares Authorized									2,000,000	2,000,000
Total preferred stock or preferred membership interests without sinking fund, Shares Outstanding									1,850,000	1,850,000
Preferred Stock, Value, Issued									$ 0	$ 0
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									1,768,000	9,438,000	$ 3,438,000
Total preferred stock or preferred membership interests without sinking fund									$ 339,869,000	$ 317,317,000
Preferred Stock, Shares Authorized									1,000,000	1,000,000		1,000,000
Subsidiaries
Preferred Stock, Shares Outstanding									1,400,000	1,400,000
Preferred Stock, Shares Authorized									1,550,000	1,550,000
Entergy Louisiana [Member]
Preferred Stock, Dividend Rate, Percentage	7.50%	7.00%
Preferred Stock, Shares Outstanding									0	0
Preferred Stock, Shares Authorized									0	0
Entergy Louisiana [Member] | Noncontrolling Interest [Member]
Equity, Attributable to Noncontrolling Interest									$ 45,107,000	$ 31,735,000
Entergy Texas [Member]
Equity, Attributable to Noncontrolling Interest									$ 38,750,000	$ 38,750,000
Preferred Stock, Shares Outstanding									1,550,000	1,550,000
Preferred Stock, Shares Authorized									1,550,000	1,550,000
Preferred Stock, Par or Stated Value Per Share									$ 25
Entergy Mississippi [Member]
Preferred Stock, Shares Outstanding									0	0
Preferred Stock, Shares Authorized									0	0
Entergy Mississippi [Member] | Noncontrolling Interest [Member]
Equity, Attributable to Noncontrolling Interest									$ 18,753,000	$ 3,347,000
Entergy Arkansas [Member]
Preferred Stock, Shares Outstanding									0	0
Preferred Stock, Shares Authorized									0	0
Entergy Arkansas [Member] | Noncontrolling Interest [Member]
Equity, Attributable to Noncontrolling Interest									$ 21,599,000	$ 27,825,000
Preferred Stock, Eight Point Seven Five Percent, Rate [Member] | Entergy Finance Holding Inc [Member]
Temporary Equity, Shares Authorized									250,000	250,000
Temporary Equity, Shares Outstanding									250,000	250,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 24,249,000	$ 24,249,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 751,000
Preferred Stock, Dividend Rate, Percentage								8.75%
Temporary Equity, Redemption Price Per Share									$ 100
Temporary Equity, Shares Issued								250,000
Temporary Equity, Par or Stated Value Per Share								$ 100
Preferred Membership Interests, Cumulative $1,000 Par Value, 7.5% Series A [Member] | Entergy Utility Holding Company LLC [Member]
Temporary Equity, Shares Authorized									110,000	110,000
Temporary Equity, Shares Outstanding									110,000	110,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 107,425,000	$ 107,425,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 2,575,000
Preferred Stock, Dividend Rate, Percentage							7.50%
Temporary Equity, Redemption Price Per Share									$ 1,000
Temporary Equity, Shares Issued							110,000
Temporary Equity, Liquidation Preference Per Share							$ 1,000
Preferred Membership Interests, Cumulative $1,000 Par Value, 6.25% Series B [Member] | Entergy Utility Holding Company LLC [Member]
Temporary Equity, Shares Authorized									15,000	15,000
Temporary Equity, Shares Outstanding									15,000	15,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 14,366,000	$ 14,366,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 634,000
Preferred Stock, Dividend Rate, Percentage						6.25%
Temporary Equity, Redemption Price Per Share									$ 1,000
Temporary Equity, Shares Issued						15,000
Temporary Equity, Liquidation Preference Per Share						$ 1,000
Preferred Membership Interests, Cumulative $1,000 Par Value, 6.75% Series C [Member] | Entergy Utility Holding Company LLC [Member]
Temporary Equity, Shares Authorized									75,000	75,000
Temporary Equity, Shares Outstanding									75,000	75,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 73,370,000	$ 73,370,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 1,630,000
Preferred Stock, Dividend Rate, Percentage					6.75%
Temporary Equity, Redemption Price Per Share									$ 1,000
Temporary Equity, Shares Issued					75,000
Temporary Equity, Liquidation Preference Per Share					$ 1,000
Preferred Stock, Five Point Three Seven Five Percent, Series A [Member] | Entergy Texas [Member]
Equity, Attributable to Noncontrolling Interest									$ 35,000,000	$ 35,000,000
Preferred Stock, Dividend Rate, Percentage				5.375%
Preferred Stock, Shares Outstanding									1,400,000	1,400,000
Preferred Stock, Shares Authorized									1,400,000	1,400,000
Preferred Stock, Five Point Three Seven Five Percent, Series A [Member] [Domain] | Entergy Texas [Member]
Temporary Equity, Shares Authorized				1,400,000
Preferred Stock, Dividend Rate, Percentage				5.375%
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member]
Temporary Equity, Shares Authorized			150,000
Equity, Attributable to Noncontrolling Interest									$ 0	$ 0
Preferred Stock, Dividend Rate, Percentage			5.10%
Preferred Stock, Shares Outstanding									0	0
Preferred Stock, Shares Authorized									150,000	150,000
Preferred Stock, Five Point Three Seven Five Percent, Series A [Member] | Entergy Texas [Member]
Preferred Stock, Redemption Price Per Share									$ 0
Equity, Attributable to Noncontrolling Interest									$ 35,000,000	$ 35,000,000
Preferred Stock, Value, Issued				$ 35,000,000
Preferred Stock, Shares Outstanding									1,400,000	1,400,000
Preferred Stock, Shares Authorized									1,400,000	1,400,000
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member]
Preferred Stock, Redemption Price Per Share									$ 25.50
Equity, Attributable to Noncontrolling Interest									$ 3,750,000	$ 3,750,000
Preferred Stock, Value, Issued			$ 3,750,000
Preferred Stock, Shares Outstanding									150,000	150,000
Preferred Stock, Shares Authorized									150,000	150,000