Retirement And Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2025

Defined Benefit Plan Disclosure [Line Items]

Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block]

Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the three months ended March 31, 2025 and 2024:

2025	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service credit (cost)	$—	$3,493	($31)	$3,462
Amortization of net gain (loss)	(411)	3,070	(108)	2,551
	($411)	$6,563	($139)	$6,013
Entergy Louisiana
Amortization of prior service credit	$—	$1,136	$—	$1,136
Amortization of net gain (loss)	(91)	1,811	(1)	1,719
	($91)	$2,947	($1)	$2,855

2024	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service credit (cost)	$—	$3,513	($40)	$3,473
Amortization of net gain (loss)	(1,138)	2,615	(80)	1,397
	($1,138)	$6,128	($120)	$4,870
Entergy Louisiana
Amortization of prior service credit	$—	$1,136	$—	$1,136
Amortization of net gain (loss)	(104)	1,738	—	1,634
	($104)	$2,874	$—	$2,770

Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Entergy’s qualified pension costs, including amounts capitalized, for the three months ended March 31, 2025 and 2024, included the following components:

	2025	2024
	(In Thousands)
Service cost - benefits earned during the period	$23,617	$23,376
Interest cost on projected benefit obligation	59,680	70,626
Expected return on assets	(75,280)	(95,980)
Recognized net loss	13,309	15,120
Net pension cost	$21,326	$13,142

Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

Entergy’s other postretirement benefits income, including amounts capitalized, for the three months ended March 31, 2025 and 2024, included the following components:

	2025	2024
	(In Thousands)
Service cost - benefits earned during the period	$2,757	$3,126
Interest cost on accumulated postretirement benefits obligation (APBO)	9,690	9,852
Expected return on assets	(10,209)	(10,569)
Amortization of prior service credit	(5,720)	(5,720)
Recognized net gain	(3,870)	(2,761)
Net other postretirement benefits income	($7,352)	($6,072)

Entergy Arkansas [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

Entergy Arkansas [Member] | Pension Plan [Member] | Nonqualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the three months ended March 31, 2025 and 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2025	$47	$36	$90	$35	$39
2024	$68	$51	$83	$31	$62

Entergy Arkansas [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)

Entergy Louisiana [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of reclassifications out of accumulated other comprehensive income [Table Text Block]

Entergy and Entergy Louisiana reclassified the following costs out of accumulated other comprehensive income (loss) (before taxes and including amounts capitalized) for the three months ended March 31, 2025 and 2024:

2025	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service credit (cost)	$—	$3,493	($31)	$3,462
Amortization of net gain (loss)	(411)	3,070	(108)	2,551
	($411)	$6,563	($139)	$6,013
Entergy Louisiana
Amortization of prior service credit	$—	$1,136	$—	$1,136
Amortization of net gain (loss)	(91)	1,811	(1)	1,719
	($91)	$2,947	($1)	$2,855

2024	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service credit (cost)	$—	$3,513	($40)	$3,473
Amortization of net gain (loss)	(1,138)	2,615	(80)	1,397
	($1,138)	$6,128	($120)	$4,870
Entergy Louisiana
Amortization of prior service credit	$—	$1,136	$—	$1,136
Amortization of net gain (loss)	(104)	1,738	—	1,634
	($104)	$2,874	$—	$2,770

Entergy Louisiana [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

Entergy Louisiana [Member] | Pension Plan [Member] | Nonqualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the three months ended March 31, 2025 and 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2025	$47	$36	$90	$35	$39
2024	$68	$51	$83	$31	$62

Entergy Louisiana [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)

Entergy Mississippi [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

Entergy Mississippi [Member] | Pension Plan [Member] | Nonqualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the three months ended March 31, 2025 and 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2025	$47	$36	$90	$35	$39
2024	$68	$51	$83	$31	$62

Entergy Mississippi [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)

Entergy New Orleans [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

Entergy New Orleans [Member] | Pension Plan [Member] | Nonqualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the three months ended March 31, 2025 and 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2025	$47	$36	$90	$35	$39
2024	$68	$51	$83	$31	$62

Entergy New Orleans [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)

Entergy Texas [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

Entergy Texas [Member] | Pension Plan [Member] | Nonqualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries recognized the following pension cost for their current and former employees for their non-qualified pension plans for the three months ended March 31, 2025 and 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2025	$47	$36	$90	$35	$39
2024	$68	$51	$83	$31	$62

Entergy Texas [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)

System Energy [Member] | Pension Plan [Member] | Qualified Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ qualified pension costs, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024, included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,427	$5,454	$1,304	$411	$1,024	$1,372
Interest cost on projected benefit obligation	13,814	14,704	3,699	1,647	2,973	3,585
Expected return on assets	(17,676)	(18,897)	(4,949)	(2,174)	(3,889)	(4,575)
Recognized net loss	4,791	2,268	822	415	454	1,114
Net pension cost	$5,356	$3,529	$876	$299	$562	$1,496

2024	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,099	$5,551	$1,284	$440	$961	$1,384
Interest cost on projected benefit obligation	13,217	13,961	3,521	1,569	2,831	3,391
Expected return on assets	(18,155)	(19,447)	(5,113)	(2,204)	(4,077)	(4,648)
Recognized net loss	5,746	2,602	1,140	470	393	1,165
Net pension cost	$4,907	$2,667	$832	$275	$108	$1,292

Schedule of Expected Benefit Payments [Table Text Block]

Based on current assumptions, the Registrant Subsidiaries expect to contribute the following to qualified pension plans for their current and former employees in 2025:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2025 pension contributions	$35,544	$41,253	$8,064	$5,016	$7,725	$15,668
Pension contributions made through March 2025	$10,776	$9,513	$2,580	$1,144	$1,745	$3,328
Remaining estimated pension contributions to be made in 2025	$24,768	$31,740	$5,484	$3,872	$5,980	$12,340

System Energy [Member] | Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

The Registrant Subsidiaries’ other postretirement benefits income, including amounts capitalized, for their current and former employees for the three months ended March 31, 2025 and 2024 included the following components:

2025	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$572	$671	$162	$52	$159	$174
Interest cost on APBO	1,775	2,012	489	249	582	394
Expected return on assets	(4,225)	—	(1,328)	(1,445)	(2,452)	(702)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	(353)	(1,811)	(57)	(27)	153	(7)
Net other postretirement benefits income	($1,707)	($264)	($973)	($1,400)	($2,651)	($214)

2024	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$642	$700	$184	$51	$168	$175
Interest cost on APBO	1,833	1,999	486	253	603	398
Expected return on assets	(4,384)	—	(1,372)	(1,479)	(2,539)	(728)
Amortization of prior service cost (credit)	524	(1,136)	(239)	(229)	(1,093)	(73)
Recognized net (gain) loss	—	(1,738)	15	19	148	—
Net other postretirement benefits income	($1,385)	($175)	($926)	($1,385)	($2,713)	($228)