Retirement, Other Postretirement Benefits, And Defined Contribution Plans Retirement, Other Postretirement Benefits, And Defined Contribution Plans (Reclassification Out of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	$ 15,337	$ 20,947
Amortization of loss	(33,859)	(88,838)
Settlement loss	(25,321)	(16,379)
Total	(43,843)	(84,270)
Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	(715)	(204)
Amortization of loss	(1,331)	(2,194)
Settlement loss	(1,685)	(4,378)
Total	(3,731)	(6,776)
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	(30,147)	(84,661)
Settlement loss	(23,636)	(12,001)
Total	(53,783)	(96,662)
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	16,052	21,151
Amortization of loss	(2,381)	(1,983)
Settlement loss	0	0
Total	13,671	19,168
Entergy Louisiana [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	4,630	4,920
Amortization of loss	(927)	(2,322)
Settlement loss	(2,342)	(2,484)
Total	1,361	114
Entergy Louisiana [Member] | Non-Qualified Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	(2)	(5)
Settlement loss	0	(6)
Total	(2)	(11)
Entergy Louisiana [Member] | Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	0	0
Amortization of loss	(1,669)	(2,681)
Settlement loss	(2,342)	(2,478)
Total	(4,011)	(5,159)
Entergy Louisiana [Member] | Other Postretirement Benefits Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Amortization of prior service cost	4,630	4,920
Amortization of loss	744	364
Settlement loss	0	0
Total	$ 5,374	$ 5,284