Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 2,362,310	$ 1,097,138	$ 1,118,719
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	0	1,035	(29,754)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	29,294	146,893	195,929
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	0	(7,154)	(49,496)
Other Comprehensive Income (Loss), Net of Tax, Total	29,294	140,774	116,679
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	2,391,604	1,237,912	1,235,398
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	5,774	(6,028)	227
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	2,385,830	1,243,940	1,235,171
Entergy Louisiana [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	1,273,370	855,870	653,984
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	(572)	47,092	3,951
Other Comprehensive Income (Loss), Net of Tax, Total	(572)	47,092	3,951
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	1,272,798	902,962	657,935
Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable	2,988	1,366	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ 1,269,810	$ 901,596	$ 657,935