XML 91 R49.htm IDEA: XBRL DOCUMENT
v3.23.2

Retirement And Other Postretirement Benefits (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022
Entergy Arkansas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | $ 54,468 |  |  | $ 54,468 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 18,444 |
Entergy Louisiana [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 44,565 |  |  | 44,565 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 13,518 |
Entergy Mississippi [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 21,110 |  |  | 21,110 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 7,130 |
Entergy New Orleans [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 1,420 |  |  | 1,420 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 355 |
Entergy Texas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 5,314 |  |  | 5,314 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 1,438 |
Difference between rate case pension amounts and actuarially determined pension amounts | 39,200 |  |  | 39,200 |
System Energy [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | 15,543 |  |  | 15,543 |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 5,529 |
Subsequent Event [Member] | Entergy Arkansas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | $ 36,024 |  |
Subsequent Event [Member] | Entergy Louisiana [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | 31,047 |  |
Subsequent Event [Member] | Entergy Mississippi [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | 13,980 |  |
Subsequent Event [Member] | Entergy New Orleans [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | 1,065 |  |
Subsequent Event [Member] | Entergy Texas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | 3,876 |  |
Subsequent Event [Member] | System Energy [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  | $ 10,014 |  |
Non Qualified Pension Plans [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 8,800 | $ 7,200 |  | 18,000 | $ 17,400
Defined Benefit Plan, Plan Assets, Payment for Settlement | 4,600 | 2,500 |  | 9,300 | 7,800
Non Qualified Pension Plans [Member] | Entergy Arkansas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 63 | 71 |  | 513 | 143
Defined Benefit Plan, Plan Assets, Payment for Settlement |  |  |  | 379 |
Non Qualified Pension Plans [Member] | Entergy Louisiana [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 25 | 26 |  | 52 | 53
Non Qualified Pension Plans [Member] | Entergy Mississippi [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 87 | 79 |  | 639 | 161
Defined Benefit Plan, Plan Assets, Payment for Settlement |  |  |  | 453 | 2
Non Qualified Pension Plans [Member] | Entergy New Orleans [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 33 | 27 |  | 66 | 56
Non Qualified Pension Plans [Member] | Entergy Texas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 63 | 88 |  | 126 | 303
Defined Benefit Plan, Plan Assets, Payment for Settlement |  |  |  |  | 119
Pension Plans Defined Benefit [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  |  |  | 91,500 |
Net other postretirement benefit cost | 32,200 | 65,634 |  | 196,221 | 111,385
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (7,246) | (22,653) |  | (145,674) | (22,653)
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 267,000 |  |  | 267,000 |
Pension Plans Defined Benefit [Member] | Entergy Arkansas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 8,247 | 21,773 |  | 38,343 | 32,127
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (1,784) | (11,496) |  | (23,958) | (11,496)
Pension Plans Defined Benefit [Member] | Entergy Louisiana [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 9,601 | 15,394 |  | 52,989 | 26,494
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (2,232) | (4,461) |  | (38,230) | (4,461)
Pension Plans Defined Benefit [Member] | Entergy Mississippi [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 2,360 | 5,535 |  | 16,308 | 8,950
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (88) | (2,208) |  | (11,743) | (2,208)
Pension Plans Defined Benefit [Member] | Entergy New Orleans [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 337 | 744 |  | 2,482 | 1,488
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (7) | 0 |  | (1,700) | 0
Pension Plans Defined Benefit [Member] | Entergy Texas [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 1,880 | 3,851 |  | 12,745 | 5,276
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | (592) | (2,466) |  | (10,270) | (2,466)
Pension Plans Defined Benefit [Member] | System Energy [Member] |  |  |  |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |  |  |
Net other postretirement benefit cost | 2,143 | 5,003 |  | 8,861 | 8,029
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | $ (490) | $ (2,023) |  | $ (5,290) | $ (2,023)

X
- Definition Difference between rate case pension amounts and actuarially determined pension amounts + References No definition available. + Details
Name: | etr_DifferenceBetweenRateCasePensionAmountsAndActuariallyDeterminedPensionAmounts
Namespace Prefix: | etr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(10) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
Name: | us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
Name: | us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(8) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanSettlementsPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyArkansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyLouisianaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyMississippiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyNewOrleansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_EntergyTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=etr_SystemEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=etr_NonQualifiedPensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |