Retirement And Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024 and 2023, included the following components:

	2024	2023
	(In Thousands)
Service cost - benefits earned during the period	$23,376	$25,678
Interest cost on projected benefit obligation	70,626	75,701
Expected return on assets	(95,980)	(98,133)
Recognized net loss	15,120	22,347
Settlement charges	—	138,427
Net pension cost	$13,142	$164,020

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, 2024 and 2023:

2024	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service (cost) credit	$—	$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

2023	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service (cost) credit	$—	$3,510	($113)	$3,397
Amortization of net gain (loss)	(1,040)	2,898	(197)	1,661
Settlement loss	(6,647)	—	(1,169)	(7,816)
	($7,687)	$6,408	($1,479)	($2,758)
Entergy Louisiana
Amortization of prior service credit	$—	$951	$—	$951
Amortization of net gain (loss)	(199)	1,764	—	1,565
Settlement loss	(1,440)	—	—	(1,440)
	($1,639)	$2,715	$—	$1,076

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, 2024 and 2023, included the following components:

	2024	2023
	(In Thousands)
Service cost - benefits earned during the period	$3,126	$3,664
Interest cost on accumulated postretirement benefit obligation (APBO)	9,852	10,568
Expected return on assets	(10,569)	(9,183)
Amortization of prior service credit	(5,720)	(5,640)
Recognized net gain	(2,761)	(2,862)
Net other postretirement benefits income	($6,072)	($3,453)

Entergy Arkansas [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)

Entergy Arkansas [Member] | Non Qualified Pension Plans [Member]

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, 2024 and 2023:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2024	$68	$51	$83	$31	$62
2023	$450	$27	$552	$33	$63

Entergy Louisiana [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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, 2024 and 2023:

2024	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service (cost) credit	$—	$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

2023	Qualified Pension Costs	Other Postretirement Costs	Non-Qualified Pension Costs	Total
	(In Thousands)
Entergy
Amortization of prior service (cost) credit	$—	$3,510	($113)	$3,397
Amortization of net gain (loss)	(1,040)	2,898	(197)	1,661
Settlement loss	(6,647)	—	(1,169)	(7,816)
	($7,687)	$6,408	($1,479)	($2,758)
Entergy Louisiana
Amortization of prior service credit	$—	$951	$—	$951
Amortization of net gain (loss)	(199)	1,764	—	1,565
Settlement loss	(1,440)	—	—	(1,440)
	($1,639)	$2,715	$—	$1,076

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)

Entergy Louisiana [Member] | Non Qualified Pension Plans [Member]

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, 2024 and 2023:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2024	$68	$51	$83	$31	$62
2023	$450	$27	$552	$33	$63

Entergy Mississippi [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)

Entergy Mississippi [Member] | Non Qualified Pension Plans [Member]

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, 2024 and 2023:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2024	$68	$51	$83	$31	$62
2023	$450	$27	$552	$33	$63

Entergy New Orleans [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)

Entergy New Orleans [Member] | Non Qualified Pension Plans [Member]

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, 2024 and 2023:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2024	$68	$51	$83	$31	$62
2023	$450	$27	$552	$33	$63

Entergy Texas [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)

Entergy Texas [Member] | Non Qualified Pension Plans [Member]

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, 2024 and 2023:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas
	(In Thousands)
2024	$68	$51	$83	$31	$62
2023	$450	$27	$552	$33	$63

System Energy [Member]

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, 2024 and 2023, included the following components:

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

2023	Entergy Arkansas	Entergy Louisiana	Entergy  Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$4,749	$6,280	$1,482	$491	$1,107	$1,467
Interest cost on projected benefit obligation	14,280	15,379	3,930	1,715	3,242	3,528
Expected return on assets	(18,076)	(19,233)	(4,884)	(2,267)	(4,152)	(4,538)
Recognized net loss	6,969	4,964	1,765	513	990	1,461
Settlement charges	22,174	35,999	11,655	1,693	9,678	4,799
Net pension cost	$30,096	$43,389	$13,948	$2,145	$10,865	$6,717

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 2024:

	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Expected 2024 pension contributions	$55,112	$48,401	$14,980	$4,931	$8,272	$16,650
Pension contributions made through March 2024	$12,008	$10,349	$4,660	$355	$1,292	$3,338
Remaining estimated pension contributions to be made in 2024	$43,104	$38,052	$10,320	$4,576	$6,980	$13,312

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 cost (income), including amounts capitalized, for their current and former employees for the three months ended March 31, 2024 and 2023, included the following components:

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)

2023	Entergy Arkansas	Entergy Louisiana	Entergy Mississippi	Entergy New Orleans	Entergy Texas	System Energy
	(In Thousands)
Service cost - benefits earned during the period	$741	$845	$220	$59	$202	$189
Interest cost on APBO	2,001	2,233	543	290	649	432
Expected return on assets	(3,778)	—	(1,179)	(1,316)	(2,194)	(634)
Amortization of prior service cost/(credit)	524	(951)	(239)	(229)	(1,093)	(73)
Recognized net (gain)/loss	43	(1,764)	21	117	229	—
Net other postretirement benefits (income)/cost	($469)	$363	($634)	($1,079)	($2,207)	($86)