Revenue Recognition (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 3,389,100	$ 3,595,522	$ 9,137,348	$ 9,422,607
Revenues	3,389,100	3,595,522	9,137,348	9,422,607
Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenues	662,148	831,659	1,892,991	2,030,755
Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,478,093	1,434,867	3,956,657	3,985,687
Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenues	508,171	538,815	1,365,921	1,396,373
Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenues	232,515	254,316	624,817	651,152
Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenues	596,998	616,595	1,560,566	1,588,531
Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	13,163	15,310	40,125	70,942
Revenues	3,337,820	3,526,935	8,950,373	9,195,588
Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	2,350	2,671	7,154	7,068
Revenues	662,148	831,659	1,892,991	2,030,755
Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	6,697	8,542	20,140	52,914
Revenues	1,464,627	1,421,598	3,898,864	3,933,259
Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	2,557	2,442	7,443	7,276
Revenues	508,171	538,815	1,365,921	1,396,373
Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	1,816	1,988	4,550	4,895
Revenues	213,663	235,280	549,268	573,191
Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue Not from Contract with Customer	24	(333)	(81)	(1,177)
Revenues	596,998	616,595	1,560,566	1,588,531
Natural Gas, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	32,318	32,305	133,342	130,389
Revenues	32,318	32,305	133,342	130,389
Natural Gas, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Natural Gas, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	13,466	13,269	57,793	52,428
Revenues	13,466	13,269	57,793	52,428
Natural Gas, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Natural Gas, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	18,852	19,036	75,549	77,961
Revenues	18,852	19,036	75,549	77,961
Natural Gas, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Product and Service, Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	18,962	36,282	53,633	96,630
Residential [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,468,705	1,602,496	3,548,881	3,595,378
Residential [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	325,128	346,454	805,702	790,760
Residential [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	514,131	547,485	1,213,133	1,242,378
Residential [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	227,867	257,241	569,533	589,630
Residential [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	106,079	120,311	245,598	252,412
Residential [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	295,500	331,005	714,915	720,198
Commercial [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	855,823	884,585	2,260,956	2,291,673
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	169,242	183,352	443,499	445,279
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	319,065	313,112	841,630	844,655
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	170,093	184,164	444,584	460,836
Commercial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	64,957	69,927	175,542	180,091
Commercial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	132,466	134,030	355,701	360,812
Industrial [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	870,576	797,982	2,412,254	2,411,882
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	183,636	194,284	471,829	479,337
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	475,890	393,172	1,355,907	1,310,121
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	52,802	58,253	148,409	164,406
Industrial [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	8,148	9,163	22,727	24,138
Industrial [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	150,100	143,110	413,382	433,880
Governmental [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	71,482	73,846	202,655	204,999
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	5,117	5,895	14,250	15,500
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	21,868	20,936	64,912	63,417
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	15,495	17,226	42,886	46,080
Governmental [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	21,763	22,358	59,284	58,052
Governmental [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	7,239	7,431	21,323	21,950
Billed Retail [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	3,266,586	3,358,909	8,424,746	8,503,932
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	683,123	729,985	1,735,280	1,730,876
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,330,954	1,274,705	3,475,582	3,460,571
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	466,257	516,884	1,205,412	1,260,952
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	200,947	221,759	503,151	514,693
Billed Retail [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	585,305	615,576	1,505,321	1,536,840
Sales for Resale [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	69,288	86,505	202,871	262,714
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	48,078	73,081	130,885	187,365
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	86,563	95,257	250,114	258,741
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	25,995	17,403	95,188	82,219
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	8,627	13,007	29,702	48,992
Sales for Resale [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	6,189	3,426	11,111	7,857
Other Electric [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(11,217)	66,211	282,631	358,000
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	(71,403)	25,922	19,672	105,446
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	40,413	43,094	153,028	161,033
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	13,362	2,086	57,878	45,926
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	2,273	(1,474)	11,865	4,611
Other Electric [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	5,480	(2,074)	44,215	45,011
Customer [Member] | Electricity, US Regulated [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	3,324,657	3,511,625	8,910,248	9,124,646
Customer [Member] | Electricity, US Regulated [Member] | Entergy Arkansas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	659,798	828,988	1,885,837	2,023,687
Customer [Member] | Electricity, US Regulated [Member] | Entergy Louisiana [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,457,930	1,413,056	3,878,724	3,880,345
Customer [Member] | Electricity, US Regulated [Member] | Entergy Mississippi [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	505,614	536,373	1,358,478	1,389,097
Customer [Member] | Electricity, US Regulated [Member] | Entergy New Orleans [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	211,847	233,292	544,718	568,296
Customer [Member] | Electricity, US Regulated [Member] | Entergy Texas [Member]
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 596,974	$ 616,928	$ 1,560,647	$ 1,589,708