Preferred Equity (Narratives) (Details) - USD ($)	1 Months Ended								6 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	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 01, 2021	Apr. 30, 2021
Preferred Equity [Line Items]
Preferred Stock, Value, Issued										$ 0	$ 0
Temporary Equity, Shares Authorized										450,000	450,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 1,768,000	$ 9,438,000	$ 3,438,000
Equity, Attributable to Noncontrolling Interest										$ 120,459,000	$ 97,907,000
Preferred Stock, Shares Authorized										1,000,000	1,000,000		1,000,000
Common Stock, Shares Authorized										499,000,000	499,000,000		499,000,000	500,000,000
Common Stock, Par or Stated Value Per Share										$ 0.01	$ 0.01		$ 0.01
Preferred Stock, Shares Issued										$ 0	$ 0		$ 0
Entergy Arkansas [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 21,599,000	$ 27,825,000
Preferred Stock, Shares Authorized										0	0
Entergy Arkansas [Member] | AR Searcy Partnership, LLC [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 21,599,000	$ 27,825,000
Entergy Texas [Member]
Preferred Equity [Line Items]
Equity, Attributable to Noncontrolling Interest										$ 38,750,000	$ 38,750,000
Preferred Stock, Shares Authorized										1,550,000	1,550,000
Common Stock, Shares Authorized										200,000,000	200,000,000
Entergy Louisiana [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate	7.50%	7.00%
Members' Equity Attributable to Noncontrolling Interest										$ 45,107,000	$ 31,735,000
LURC's percentage of annual dividends		1.00%
Entergy Louisiana's percentage of annual dividends		99.00%							99.00%
Preferred Stock, Shares Authorized										0	0
Entergy Louisiana [Member] | Restoration Law Trust I [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 30,488,000	$ 31,735,000
LURC's percentage of annual dividends										1.00%
Entergy Louisiana's percentage of annual dividends										99.00%
Entergy Louisiana [Member] | Restoration Law Trust II [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 14,619,000	0
LURC's percentage of annual dividends										1.00%
Entergy Louisiana's percentage of annual dividends										99.00%
Entergy Mississippi [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 18,753,000	$ 3,347,000
Preferred Stock, Shares Authorized										0	0
Entergy Mississippi [Member] | MS Sunflower Partnership, LLC [Member]
Preferred Equity [Line Items]
Members' Equity Attributable to Noncontrolling Interest										$ 18,753,000	$ 3,347,000
Preferred Stock, Eight Point Seven Five Percent, Rate [Member] | Entergy Finance Holding Inc [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate								8.75%
Temporary Equity, Shares Authorized										250,000	250,000
Temporary Equity, Redemption Price Per Share										$ 100
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 751,000
Preferred Membership Interests, Cumulative $1,000 Par Value, 6.75% Series C [Member] | Entergy Utility Holding Company LLC [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate					6.75%
Temporary Equity, Shares Authorized										75,000	75,000
Temporary Equity, Redemption Price Per Share										$ 1,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 1,630,000
Preferred Membership Interests, Cumulative $1,000 Par Value, 7.5% Series A [Member] | Entergy Utility Holding Company LLC [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate							7.50%
Temporary Equity, Shares Authorized										110,000	110,000
Temporary Equity, Redemption Price Per Share										$ 1,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 2,575,000
Preferred Membership Interests, Cumulative $1,000 Par Value, 6.25% Series B [Member] | Entergy Utility Holding Company LLC [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate						6.25%
Temporary Equity, Shares Authorized										15,000	15,000
Temporary Equity, Redemption Price Per Share										$ 1,000
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs										$ 634,000
Preferred Stock, Five Point Three Seven Five Percent, Series A [Member] [Domain] | Entergy Texas [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate				5.375%
Temporary Equity, Shares Authorized				1,400,000
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member]
Preferred Equity [Line Items]
Preferred stock/preferred membership interests rate			5.10%
Temporary Equity, Shares Authorized			150,000
Equity, Attributable to Noncontrolling Interest										$ 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 Equity [Line Items]
Preferred Stock, Value, Issued				$ 35,000,000
Preferred Stock, Liquidation Preference Per Share				$ 25
Preferred Stock, Redemption Price Per Share										$ 0
Equity, Attributable to Noncontrolling Interest										$ 35,000,000	$ 35,000,000
Preferred Stock, Shares Authorized										1,400,000	1,400,000
Preferred Stock, Five Point Three Seven Five Percent, Series A [Member] | Entergy Texas [Member] | On or after October 15, 2024 [Member]
Preferred Equity [Line Items]
Preferred Stock, Redemption Price Per Share										$ 25
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member]
Preferred Equity [Line Items]
Preferred Stock, Value, Issued			$ 3,750,000
Preferred Stock, Liquidation Preference Per Share			$ 25
Preferred Stock, Redemption Price Per Share										$ 25.50
Equity, Attributable to Noncontrolling Interest										$ 3,750,000	$ 3,750,000
Preferred Stock, Shares Authorized										150,000	150,000
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member] | Prior to November 1, 2026 [Member]
Preferred Equity [Line Items]
Preferred Stock, Redemption Price Per Share										$ 25.50
Preferred Stock, Five Point One Zero Percent, Series B [Member] | Entergy Texas [Member] | On or after November 1, 2026 [Member]
Preferred Equity [Line Items]
Preferred Stock, Redemption Price Per Share										$ 25