XML 78 R55.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Development of Generation Facilities - Narrative (Details) $ in Millions | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 31, 2022 USD ($) MW | May 31, 2020 MW | Jun. 30, 2018 MW | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Apr. 30, 2022 MW | Feb. 28, 2022 MW | Sep. 30, 2021 MW
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Construction work in progress | $ |  |  |  | $ 522 | $ 522 |  |  |
Texas | Vistra Corp. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Electricity generation facility capacity | 158 |  |  |  |  |  | 158 |
Battery energy storage system capacity |  |  |  |  |  | 260 |  |
Texas | Vistra Corp. | Solar Generation and Battery Energy Storage Projects |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Construction work in progress | $ |  |  |  | 200 |  |  |  |
East | Vistra Corp. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Planned electricity generation facility capacity |  |  |  |  |  |  |  | 300
Planned battery energy system capacity |  |  |  |  |  |  |  | 150
East | Vistra Corp. | Solar Generation and Battery Energy Storage Projects |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Construction work in progress | $ |  |  |  | $ 66 |  |  |  |
West | Vistra Corp. | Moss Landing Battery Energy Storage System Phase I | Moss Landing Power Plant (Battery Storage Project) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Battery energy storage system capacity |  |  | 300 |  |  |  |  |
Contract, duration, number of years |  |  | 20 years |  |  |  |  |
West | Vistra Corp. | Moss Landing Battery Energy Storage System Phase II | Moss Landing Power Plant (Battery Storage Project) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Battery energy storage system capacity |  | 100 |  |  |  |  |  |
Contract, duration, number of years |  | 10 years |  |  |  |  |  |
West | Vistra Corp. | Moss Landing Battery Energy Storage System Phase III | Moss Landing Power Plant (Battery Storage Project) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Battery energy storage system capacity | 350 |  |  |  |  |  |  |
Contract, duration, number of years | 15 years |  |  |  |  |  |  |
Investment tax credit | $ | $ 154 |  |  |  |  |  |  |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-5 + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_ConstructionInProgressGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_InvestmentTaxCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Battery Energy Storage System Capacity (in megawatts) + References No definition available. + Details
Name: | vistra_BatteryEnergyStorageSystemCapacity
Namespace Prefix: | vistra_
Data Type: | dtr-types1:powerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contract, Duration, Number Of Years + References No definition available. + Details
Name: | vistra_ContractDurationNumberOfYears
Namespace Prefix: | vistra_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Electricity Generation Facility Capacity (in megawatts) + References No definition available. + Details
Name: | vistra_ElectricityGenerationFacilityCapacity
Namespace Prefix: | vistra_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Planned Battery Energy System Capacity (in megawatts) + References No definition available. + Details
Name: | vistra_PlannedBatteryEnergySystemCapacity
Namespace Prefix: | vistra_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Planned Electricity Generation Facility Capacity + References No definition available. + Details
Name: | vistra_PlannedElectricityGenerationFacilityCapacity
Namespace Prefix: | vistra_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vistra_TexasSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=vistra_SolarGenerationAndBatteryEnergyStorageProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vistra_EastSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vistra_WestSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=vistra_MossLandingBatteryEnergyStorageSystemPhaseIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=vistra_MossLandingPowerPlantBatteryStorageProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=vistra_MossLandingBatteryEnergyStorageSystemPhaseIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis=vistra_MossLandingBatteryEnergyStorageSystemPhaseIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |