Transactions With Affiliates (Schedule of Related Party Transactions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investment Income, Net	$ 317,348	$ 298,865	$ 162,726
Costs and Expenses	9,744,408	9,228,563	9,529,437
Revenues	12,946,686	11,879,653	12,147,412
Entergy Arkansas [Member]
Investment Income, Net	67,375	70,628	25,024
Costs and Expenses	2,089,420	1,944,491	2,191,189
Revenues	2,784,047	2,460,181	2,646,396
Entergy Arkansas [Member] | Affiliated Entity [Member]
Investment Income, Net	1,700	2,200	700
Costs and Expenses	534,000	540,600	585,800
Revenues	96,000	111,800	125,200
Entergy Louisiana [Member]
Costs and Expenses	4,368,055	4,012,084	3,984,619
Revenues	5,732,099	5,144,018	5,147,770
Entergy Louisiana [Member] | Affiliated Entity [Member]
Investment Income, Net	299,135	315,433	303,233
Costs and Expenses	639,600	649,300	719,800
Revenues	386,500	312,800	317,600
Entergy Mississippi [Member]
Investment Income, Net	18,024	3,249	2,275
Costs and Expenses	1,438,987	1,332,647	1,467,418
Revenues	1,955,705	1,764,593	1,802,533
Entergy Mississippi [Member] | Affiliated Entity [Member]
Investment Income, Net	2,900	400	200
Costs and Expenses	434,400	339,600	345,200
Revenues	1,000	1,000	1,000
Entergy New Orleans [Member]
Investment Income, Net	2,650	2,144	7,154
Costs and Expenses	660,459	754,568	772,069
Revenues	772,214	810,564	843,933
Entergy New Orleans [Member] | Affiliated Entity [Member]
Investment Income, Net	300	200	1,000
Costs and Expenses	294,000	293,900	302,500
Revenues	400	0	0
Entergy Texas [Member]
Investment Income, Net	5,964	15,107	11,116
Costs and Expenses	1,668,315	1,623,477	1,598,906
Revenues	2,127,584	2,050,150	2,028,586
Entergy Texas [Member] | Affiliated Entity [Member]
Investment Income, Net	700	2,700	1,800
Costs and Expenses	313,700	319,400	316,800
Revenues	0	0	700
System Energy [Member]
Investment Income, Net	54,971	47,953	13,131
Costs and Expenses	469,171	463,216	410,698
Revenues	581,481	585,049	586,603
System Energy [Member] | Affiliated Entity [Member]
Investment Income, Net	500	800	600
Costs and Expenses	146,800	166,600	179,000
Revenues	$ 581,400	$ 583,300	$ 588,400