Preferred Equity and Noncontrolling Interests (Schedule of Preferred Stock, Preferred Membership Interests, and Noncontrolling Interests) (Details) - USD ($) $ / shares in Units, $ in Thousands	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, 2024	Dec. 31, 2023	Dec. 31, 2022
Temporary Equity, Shares Authorized									450,000	450,000
Temporary Equity, Shares Outstanding									450,000	450,000
Temporary Equity, Carrying Amount, Attributable to Parent									$ 219,410	$ 219,410
Preferred Stock, Value, Issued									$ 0	$ 0
Total 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
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 1,768	$ 9,438
Total preferred stock or preferred membership interests without sinking fund and noncontrolling interests									$ 320,486	$ 339,869
Preferred Stock, Shares Authorized									1,000,000	1,000,000
Subsidiaries’ Preferred Stock Value and Equity Attributable to Noncontrolling Interests									$ 101,076	$ 120,459
Subsidiaries [Member]
Preferred Stock, Shares Outstanding									1,400,000	1,400,000
Preferred Stock, Shares Authorized									1,550,000	1,550,000
Subsidiaries’ Preferred Stock Value and Equity Attributable to Noncontrolling Interests									$ 101,076	$ 120,459
Entergy Louisiana [Member]
Equity, Attributable to Noncontrolling Interest									42,706	45,107
Preferred Stock, Dividend Rate, Percentage	7.50%	7.00%
Entergy Louisiana [Member] | Subsidiaries [Member]
Equity, Attributable to Noncontrolling Interest									42,706	45,107
Entergy Texas [Member]
Preferred Stock, Value, Issued									$ 38,750	$ 38,750
Preferred Stock, Shares Outstanding									1,550,000	1,550,000
Preferred Stock, Shares Authorized									1,550,000	1,550,000
Entergy Mississippi [Member]
Equity, Attributable to Noncontrolling Interest									$ 8,202	$ 18,753
Entergy Mississippi [Member] | Subsidiaries [Member]
Equity, Attributable to Noncontrolling Interest									8,202	18,753
Entergy Arkansas [Member]
Equity, Attributable to Noncontrolling Interest									15,168	21,599
Entergy Arkansas [Member] | Subsidiaries [Member]
Equity, Attributable to Noncontrolling Interest									15,168	$ 21,599
8.75% Series Preferred Stock [Member] | Entergy Finance Holding Inc [Member]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 751
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
8.75% Series Preferred Stock [Member] | Entergy Finance Holding Inc [Member] | Subsidiaries [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	$ 24,249
Preferred Stock, Dividend Rate, Percentage									8.75%
7.5% Series A Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 2,575
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
7.5% Series A Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member] | Subsidiaries [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	$ 107,425
Preferred Stock, Dividend Rate, Percentage									7.50%
6.25% Series B Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 634
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
6.25% Series B Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member] | Subsidiaries [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	$ 14,366
Preferred Stock, Dividend Rate, Percentage									6.25%
6.75% Series C Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member]
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs									$ 1,630
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
6.75% Series C Preferred Membership Interests [Member] | Entergy Utility Holding Company, LLC [Member] | Subsidiaries [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	$ 73,370
Preferred Stock, Dividend Rate, Percentage									6.75%
5.375% Series A Preferred Stock [Member] | Entergy Texas [Member]
Preferred Stock, Value, Issued				$ 35,000
Preferred Stock, Dividend Rate, Percentage				5.375%					5.375%
Preferred Stock, Shares Outstanding									1,400,000	1,400,000
Preferred Stock, Shares Authorized				1,400,000					1,400,000	1,400,000
5.375% Series A Preferred Stock [Member] | Entergy Texas [Member] | Subsidiaries [Member]
Preferred Stock, Value, Issued									$ 35,000	$ 35,000
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
5.10% Series B Preferred Stock [Member] | Entergy Texas [Member]
Preferred Stock, Value, Issued			$ 3,750
Preferred Stock, Dividend Rate, Percentage			5.10%						5.10%
Preferred Stock, Shares Outstanding									150,000	150,000
Preferred Stock, Shares Authorized			150,000						150,000	150,000
5.10% Series B Preferred Stock [Member] | Entergy Texas [Member] | Subsidiaries [Member]
Preferred Stock, Value, Issued									$ 0	$ 0
Preferred Stock, Dividend Rate, Percentage									5.10%
Preferred Stock, Shares Outstanding									0	0
Preferred Stock, Shares Authorized									150,000	150,000