Transactions With Affiliates (Schedule of Related Party Transactions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investment Income, Net	$ 298,865	$ 162,726	$ (75,581)
Costs and Expenses	9,228,563	9,529,437	11,713,462
Revenues	11,879,653	12,147,412	13,764,237
Entergy Arkansas [Member]
Investment Income, Net	70,628	25,024	19,554
Costs and Expenses	1,944,491	2,191,189	2,165,546
Revenues	2,460,181	2,646,396	2,673,194
Entergy Arkansas [Member] | Affiliated Entity [Member]
Investment Income, Net	2,200	700	100
Costs and Expenses	540,600	585,800	617,400
Revenues	111,800	125,200	127,500
Entergy Louisiana [Member]
Costs and Expenses	4,012,084	3,984,619	5,436,579
Revenues	5,144,018	5,147,770	6,338,768
Entergy Louisiana [Member] | Affiliated Entity [Member]
Investment Income, Net	315,433	303,233	185,826
Costs and Expenses	649,300	719,800	770,200
Revenues	312,800	317,600	354,000
Entergy Louisiana [Member] | Affiliated Entity [Member] | Investment Income
Investment Income, Net			186,100
Entergy Mississippi [Member]
Investment Income, Net	3,249	2,275	508
Costs and Expenses	1,332,647	1,467,418	1,311,957
Revenues	1,764,593	1,802,533	1,624,234
Entergy Mississippi [Member] | Affiliated Entity [Member]
Investment Income, Net	400	200	100
Costs and Expenses	339,600	345,200	356,100
Revenues	1,000	1,000	1,000
Entergy New Orleans [Member]
Investment Income, Net	2,144	7,154	742
Costs and Expenses	754,568	772,069	876,207
Revenues	810,564	843,933	997,333
Entergy New Orleans [Member] | Affiliated Entity [Member]
Investment Income, Net	200	1,000	100
Costs and Expenses	293,900	302,500	341,700
Revenues	0	0	0
Entergy Texas [Member]
Investment Income, Net	15,107	11,116	4,141
Costs and Expenses	1,623,477	1,598,906	1,855,146
Revenues	2,050,150	2,028,586	2,288,905
Entergy Texas [Member] | Affiliated Entity [Member]
Investment Income, Net	2,700	1,800	300
Costs and Expenses	319,400	316,800	321,400
Revenues	0	700	18,900
System Energy [Member]
Investment Income, Net	47,953	13,131	5,096
Costs and Expenses	463,216	410,698	985,969
Revenues	585,049	586,603	658,812
System Energy [Member] | Affiliated Entity [Member]
Investment Income, Net	800	600	300
Costs and Expenses	166,600	179,000	215,000
Revenues	$ 583,300	$ 588,400	$ 658,800