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Risk Management and Fair Values (Fair Values Of Derivative Instruments) (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Entergy Wholesale Commodities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Cash collateral posted | $ 12,000,000 | $ 8,000,000
Other Deferred Debits And Other Assets [Member] | Natural Gas Swaps [Member] | Utility [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 9,000,000 | 5,000,000
Derivative Asset, Fair Value, Gross Asset | 9,000,000 | 5,000,000
Derivative, Collateral, Obligation to Return Cash |  | 0
Prepayments And Other [Member] | Natural Gas Swaps [Member] | Utility [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 37,000,000 | 6,000,000
Derivative Asset, Fair Value, Gross Asset | 37,000,000 | 6,000,000
Derivative, Collateral, Obligation to Return Cash | 0 | 0
Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Utility and Entergy Wholesale Commodities [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 12,000,000 | 4,000,000
Derivative Asset, Fair Value, Gross Asset | 13,000,000 | 4,000,000
Derivative, Collateral, Obligation to Return Cash | (1,000,000) | 0
Other Current Liabilities [Member] | Natural Gas Swaps [Member] | Utility [Member] | Not Designated As Hedging Instrument [Member] |  |
Liabilities: |  |
Derivative Liability, Fair Value, Gross Liability |  | 7,000,000
Derivative, Collateral, Right to Reclaim Cash |  | 0
Derivative Liability |  | 7,000,000
Entergy Louisiana [Member] | Other Deferred Debits And Other Assets [Member] | Natural Gas Swaps [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 8,700,000 | 5,300,000
Derivative Asset, Fair Value, Gross Asset | 8,700,000 | 5,300,000
Derivative, Collateral, Obligation to Return Cash | 0 | 0
Entergy Louisiana [Member] | Prepayments And Other [Member] | Natural Gas Swaps [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 16,100,000 | 5,700,000
Derivative Asset, Fair Value, Gross Asset | 16,100,000 | 5,700,000
Derivative, Collateral, Obligation to Return Cash | 0 | 0
Entergy Louisiana [Member] | Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 4,700,000 | 600,000
Derivative Asset, Fair Value, Gross Asset | 5,300,000 | 600,000
Derivative, Collateral, Obligation to Return Cash | 600,000 | 0
Entergy Mississippi [Member] |  |
Liabilities: |  |
Letters of Credit Outstanding, Amount | 400,000 | 200,000
Entergy Mississippi [Member] | Prepayments And Other [Member] | Natural Gas Swaps [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 20,600,000 |
Derivative Asset, Fair Value, Gross Asset | 20,600,000 |
Derivative, Collateral, Obligation to Return Cash | 0 |
Entergy Mississippi [Member] | Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 500,000 | 300,000
Derivative Asset, Fair Value, Gross Asset | 500,000 | 300,000
Derivative, Collateral, Obligation to Return Cash | 0 | 0
Entergy Mississippi [Member] | Other Current Liabilities [Member] | Natural Gas Swaps [Member] | Not Designated As Hedging Instrument [Member] |  |
Liabilities: |  |
Derivative Liability, Fair Value, Gross Liability |  | 6,700,000
Derivative, Collateral, Right to Reclaim Cash |  | 0
Derivative Liability |  | 6,700,000
Entergy New Orleans [Member] | Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 600,000 | 100,000
Derivative Asset, Fair Value, Gross Asset | 600,000 | 100,000
Derivative, Collateral, Obligation to Return Cash | 0 | 0
Entergy New Orleans [Member] | Other Current Liabilities [Member] | Natural Gas Swaps [Member] | Not Designated As Hedging Instrument [Member] |  |
Liabilities: |  |
Derivative Liability, Fair Value, Gross Liability | 200,000 | 500,000
Derivative, Collateral, Right to Reclaim Cash | 0 | 0
Derivative Liability | 200,000 | 500,000
Entergy Arkansas [Member] | Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 4,400,000 | 2,300,000
Derivative Asset, Fair Value, Gross Asset | 4,500,000 | 2,300,000
Derivative, Collateral, Obligation to Return Cash | (100,000) | 0
Entergy Texas [Member] |  |
Liabilities: |  |
Letters of Credit Outstanding, Amount | 5,300,000 | 100,000
Entergy Texas [Member] | Prepayments And Other [Member] | Fixed Transmission Rights (FTRs) [Member] | Not Designated As Hedging Instrument [Member] |  |
Assets: |  |
Derivative Asset | 1,500,000 | 800,000
Derivative Asset, Fair Value, Gross Asset | 1,700,000 | 800,000
Derivative, Collateral, Obligation to Return Cash | $ (200,000) | $ 0

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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