Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended			3 Months Ended		6 Months Ended
	Jul. 28, 2023	Jun. 28, 2023	Jun. 06, 2023	Nov. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jan. 31, 2021
Equity [Abstract]
Common stock dividend (in dollars per share)							$ 1.07	$ 1.01	$ 2.14	$ 2.02
Common Stock, Shares Authorized							499,000,000		499,000,000		499,000,000
Preferred Stock, Shares Authorized							1,000,000		1,000,000		1,000,000
Forward Sale Agreement, Aggregate Compensation to Sales Agents		$ 400	$ 100		$ 2,500	$ 1,700
Stock Issued During Period, Shares, Treasury Stock Reissued									277,804
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount							1,200,000	900,000	1,100,000	900,000
Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share		$ 101.39	$ 101.36		$ 116.94	$ 108.14
Forward Contract Indexed to Equity, Settlement, Cash, Amount		$ 37,400	$ 10,500		$ 250,900	$ 168,000		$ 250,900		$ 250,900
Forward Contract Indexed to Issuer's Equity, Indexed Shares		365,307	102,995		2,124,086	1,538,010		2,124,086		2,124,086
Proceeds from Issuance of Common Stock				$ 853,300
Stock Issued During Period, Shares, New Issues									0	0
Equity Distribution Program
Equity [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									468,302	956,989
Forward Contract Indexed to Equity, Settlement, Cash, Amount							$ 1,126,000		$ 1,126,000
Equity Distribution Sales Agreement Increase in Aggregate Gross Sales Price												$ 2,000,000
Common Stock [Member]
Equity [Abstract]
Forward Contract Indexed to Issuer's Equity, Shares				7,688,419
Entergy Louisiana [Member]
Equity [Abstract]
Members' Equity Attributable to Noncontrolling Interest							47,215		$ 47,215		$ 31,735
LURC's percentage of annual dividends									1.00%
ELL's percentage of annual dividends									99.00%
Entergy Louisiana [Member] | Restoration Law Trust I
Equity [Abstract]
Members' Equity Attributable to Noncontrolling Interest							32,359		$ 32,359		31,735
Entergy Arkansas [Member]
Equity [Abstract]
Members' Equity Attributable to Noncontrolling Interest							$ 24,973		$ 24,973		$ 27,825
System Energy [Member]
Equity [Abstract]
Common Stock, Shares Authorized							1,000,000		1,000,000		1,000,000
Entergy Texas [Member]
Equity [Abstract]
Common Stock, Shares Authorized							200,000,000		200,000,000		200,000,000
Subsequent Event [Member]
Equity [Abstract]
Common stock dividend (in dollars per share)	$ 1.07