Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Unrealized net (gain) loss from nuclear decommissioning trusts
Unrealized Gain (Loss) From Nuclear Decommissioning Trusts
Unrealized Gain (Loss) From Nuclear Decommissioning Trusts
Trading Arrangement:
Trading Arrangement [Axis]
Maximum
Maximum [Member]
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Kincaid
Kincaid Generation [Member]
Kincaid Generation
Unrealized valuation losses relating to instruments held at end of period
Unrealized Gain (Loss) on Derivatives and Commodity Contracts
Domestic Tax Authority
Income Tax Jurisdiction, Domestic Federal [Member]
Title of 12(b) Security
Title of 12(b) Security
Carrying Amount
Reported Value Measurement [Member]
Subsequent Event
Subsequent Event [Member]
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Debt, weighted average interest rate
Debt, Weighted Average Interest Rate
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Other
Contract type, Other [Member]
Contract type, Other [Member]
Financial Instrument [Axis]
Financial Instrument [Axis]
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Schedule of Estimated Amortization Expense of Identifiable Intangible Assets and Liabilities
Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block]
Commodity and other derivative contractual assets
Derivative Instruments and Hedges, Noncurrent
Decommissioning fund investments, debt maturities, one through five years, fair value
Decommissioning Fund Investments, Debt Maturities, One Through Five Years, Fair Value
Decommissioning Fund Investments, Debt Maturities, One Through Five Years, Fair Value
Guarantor obligations, maximum exposure, undiscounted
Guarantor Obligations, Maximum Exposure, Undiscounted
Derivative Instrument [Axis]
Derivative Instrument [Axis]
NDTs - other investments
NDTs, Other Investments [Member]
NDTs, Other Investments
Proceeds from sales of nuclear decommissioning trust fund securities
Proceeds from Decommissioning Trust Fund Assets
Insurance settlements, limit amount
Insurance Settlements, Limit Amount
Insurance Settlements, Limit Amount
Average price paid ( in dollars per share)
Shares Acquired, Average Cost Per Share
Project [Axis]
Project [Axis]
Asset retirement obligations
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Asset Retirement Obligation
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Asset Retirement Obligation
East
East Segment [Member]
East Segment
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Accounts receivable repurchase facility, term
Accounts Receivable Repurchase Facility, Term
Accounts Receivable Repurchase Facility, Term
Property, plant, and equipment
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment
Derivative assets (liabilities), net amounts
Derivative Asset (Liability), Subject to Master Netting Arrangement
Derivative Asset (Liability), Subject to Master Netting Arrangement
Asset retirement obligation, individual unit basis evaluation period
Asset Retirement Obligation, Individual Unit Basis Evaluation Period
Asset Retirement Obligation, Individual Unit Basis Evaluation Period
October 2024
Incremental Share Repurchase Program Approved By The Board Of Directors In October 2024 [Member]
Incremental Share Repurchase Program Approved By The Board Of Directors In October 2024
Baldwin
Baldwin Generating Center [Member]
Baldwin Generating Center
Finance lease right-of-use assets
Finance Lease Right-Of-Use Assets [Member]
Finance Lease Right-Of-Use Assets
Settlements
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements
Common stock, par or stated value per share (in dollars per share)
Common Stock, Par or Stated Value Per Share
Exchange [Domain]
Exchange [Domain]
Identifiable intangible assets — net
Total identifiable intangible assets
Intangible Asset, Excluding Goodwill, after Accumulated Amortization
Identifiable intangible liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Identifiable intangible liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Identifiable intangible liabilities
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Liability at beginning of period
Liability at end of period
Asset retirement obligation
Asset Retirement Obligation
Construction Loans
Construction Loans [Member]
Alternate Letter Of Credit Facility
Alternate Letter Of Credit Facility [Member]
Alternate Letter Of Credit Facility
Number of reportable segments
Number of Reportable Segments
Total current liabilities
Liabilities, Current
Net income (loss) before income taxes
Income (Loss) Attributable to Parent, before Tax
Vistra Operations Company LLC
Vistra Operations Company LLC [Member]
Vistra Operations Company LLC [Member]
Retail customer relationships
Customer Relationships [Member]
4.550% Senior Unsecured Notes Due 2028
4.550% Senior Unsecured Notes Due 2028 [Member]
4.550% Senior Unsecured Notes Due 2028
Entity Address, City or Town
Entity Address, City or Town
Derivative assets (liabilities), fair value, net
Derivative, Fair Value, Net
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Net
Intangible Asset, Finite-Lived, after Accumulated Amortization
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Level 2
Level 2
Fair Value, Inputs, Level 2 [Member]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Additional commitment capital
Investment Company, Additional Commitment Capital
Investment Company, Additional Commitment Capital
Name of Property [Axis]
Name of Property [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Margin deposits related to commodity contracts
Margin Deposit Assets
Forward repurchase obligation due currently
Forward Repurchase Obligation To Be Paid, Current
Forward Repurchase Obligation To Be Paid, Current
Project-level debt
Project-level Debt [Member]
Project-level Debt
Legal claim, duration
Legal Claim, Duration
Legal Claim, Duration
Schedule of Segment Reporting
Segment Reporting [Table Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Credit Derivatives [Line Items]
Credit Derivatives [Line Items]
Repayments under Revolving Credit Facility
Repayments of Lines of Credit
Proceeds from debt, net of issuance costs
Proceeds from Debt, Net of Issuance Costs
Document Period End Date
Document Period End Date
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Debt instrument, face amount
Debt Instrument, Face Amount
5.000% Senior Notes, due April 30, 2031
5.000% Senior Notes Due 2031 [Member]
5.000% Senior Notes Due 2031
Term loan period (in years)
Debt Instrument, Term
Long-term debt, including amounts due currently
Business Combination, Recognized Liability Assumed, Long-Term Debt, Noncurrent
Treasury stock, at cost (220,121,017 and 215,599,525 shares at June 30, 2026 and December 31, 2025, respectively)
Treasury Stock, Common, Value
Number of natural gas generation facilities acquired
Number Of Natural Gas Generation Facilities Acquired
Number Of Natural Gas Generation Facilities Acquired
Support Executory Contracts and Insurance Agreements
Support Executory Contracts And Insurance Agreements [Member]
Support Executory Contracts and Insurance Agreements [Member]
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Shell Company
Entity Shell Company
Consolidation Items [Domain]
Consolidation Items [Domain]
Coal
Coal Contract [Member]
Earnings Per Share
Earnings Per Share [Text Block]
Net income (loss) per weighted average share of common stock outstanding:
Earnings Per Share [Abstract]
Document Fiscal Period Focus
Document Fiscal Period Focus
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Cash and cash equivalents
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash And Cash Equivalents
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Cash And Cash Equivalents
Total liabilities
Liabilities
Trading Symbol
Trading Symbol
Decommissioning fund investments, debt securities average maturities
Decommissioning Fund Investments Debt Securities Average Maturities
Decommissioning Fund Investments Debt Securities Average Maturities
Measurement Input, Discount Rate
Measurement Input, Discount Rate [Member]
Capital expenditures, including nuclear fuel purchases and LTSA prepayments
Payments to Acquire Property, Plant, and Equipment
Schedule of Interest Rate Derivatives
Schedule of Interest Rate Derivatives [Table Text Block]
Net income (loss) per weighted average share of common stock outstanding:
Net Earnings Per Share [Abstract]
Net Earnings Per Share
Schedule of Identifiable Intangible Liabilities
Schedule of Finite-Lived Intangible Liabilities [Table Text Block]
[Table Text Block] for Schedule of Finite-Lived Intangible Liabilities [Table]
Accrued income taxes
Accrued Income Taxes, Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss [Line Items]
Company Selected Measure Name
Company Selected Measure Name
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Long-term service agreements
Long Term Service Agreement [Member]
Long Term Service Agreement
Moss Landing Battery Energy Storage System Phase I
Moss Landing Battery Energy Storage System Phase I [Member]
Moss Landing Battery Energy Storage System Phase I
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Illiquid delivery periods
Illiquid Delivery Periods [Member]
Illiquid Delivery Periods
Credit Facility [Domain]
Credit Facility [Domain]
Vistra Operations Senior Notes
Vistra Operations Senior Notes [Member]
Vistra Operations Senior Secured Notes [Member]
Cash flows — operating activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Electricity
Electricity Derivative [Member]
Electricity Derivative [Member]
Net capacity purchased
Net Capacity Purchased
Net Capacity Purchased
4.550% Senior Notes, due October 30, 2028
4.550% Senior Notes Due 2028 [Member]
4.550% Senior Notes Due 2028
Common stock, dividends, per share, cash paid (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Natural gas-fueled megawatts
Number Of Natural Gas-Fueled Megawatt
Number Of Natural Gas-Fueled Megawatt
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Disposal Group Name [Domain]
Disposal Group Name [Domain]
Derivative, nonmonetary notional amount, volume
Derivative, Nonmonetary Notional Amount, Volume
Deferred income tax expense (benefit), net
Deferred Income Taxes and Tax Credits
Coal combustion residuals, rules for closure of coal ash ponds in Illinois, number of construction permit application filed
Coal Combustion Residuals, Rules For Closure Of Coal Ash Ponds In Illinois, Number Of Construction Permit Application Filed
Coal Combustion Residuals, Rules for Closure of Coal Ash Ponds in Illinois, Number of Construction Permit Application Filed
Goodwill, expected tax deductible amount
Business Combination, Goodwill, Expected Tax Deductible, Amount
Account receivable securitization program, total borrowing capacity
Account Receivable Securitization Program, Total Borrowing Capacity
Account Receivable Securitization Program, Total Borrowing Capacity
Commitments of credit facility
Line of Credit Facility, Current Borrowing Capacity
Other operating assets and liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Award Timing Predetermined
Award Timing Predetermined [Flag]
Project [Domain]
Project [Domain]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Effects of stock-based incentive compensation plans
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Level 1
Fair Value, Inputs, Level 1 [Member]
Environmental remediation costs incurred
Liability for Unpaid Claims and Claims Adjustment Expense, Net
Schedules of Concentration of Risk
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Pre-Capitalized Trust Securities
Pre-Capitalized Trust Securities [Member]
Pre-Capitalized Trust Securities
Wholesale power and fuel purchase contracts
Wholesale Power And Fuel Purchase Contracts [Member]
Power and Fuel Purchase Contracts
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Margin deposits related to commodity contracts
Margin Deposit Liabilities
The amount of cash or securities received from counterparties as security for a trading or derivatives securities position.
Dilutive securities: Stock-based incentive compensation plan (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Income Approach
Valuation, Income Approach [Member]
Change in accumulated other comprehensive income
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax
Depreciation expense
Depreciation
Scenario [Domain]
Scenario [Domain]
Collateralized Securities
Collateralized Securities [Member]
7.750% Senior Notes, due October 15, 2031
7.750% Senior Notes Due 2031 [Member]
7.750% Senior Notes Due 2031
Investments in nuclear decommissioning trust fund securities
Payments to Acquire Investments to be Held in Decommissioning Trust Fund
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Intangible amortization and other revenues
Intangible Amortization And Other Revenues [Member]
Intangible Amortization And Other Revenues
Net assets acquired
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Business interruption insurance proceeds realized
Gain on Business Interruption Insurance Recovery
3.700% Senior Notes, due January 30, 2027
3.700% Senior Notes Due 2027 [Member]
3.700% Senior Notes Due 2027
Long-term debt due currently
Less amounts due currently
Long-Term Debt and Lease Obligation, Current
Emissions
Emissions [Member]
Emissions [Member]
Total unrealized net gain (loss) from change in fair value on derivative instruments
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments
6.000% Senior Notes, due April 15, 2034
6.000% Senior Notes due 2034 [Member]
6.000% Senior Notes due 2034
Dividends paid to common stockholders
Payments of Ordinary Dividends, Common Stock
Expiration Date
Trading Arrangement Expiration Date
Additional Liability, Long-Duration Insurance [Line Items]
Additional Liability, Long-Duration Insurance [Line Items]
Total equity
Beginning balance
Ending balance
Equity, Including Portion Attributable to Noncontrolling Interest
Trade accounts payable and other current liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Trade Accounts Payable And Other Current Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Trade Accounts Payable And Other Current Liabilities
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Derivative [Table]
Derivative [Table]
Other Income and Expenses [Abstract]
Revolving Credit Facility
Senior Secured Revolving Credit Facility [Member]
Senior Secured Revolving Credit Facility [Member]
Other Income (Deductions), Net
Other Nonoperating Income and Expense [Text Block]
Texas Energy Fund (TxEF) Loan, due June 18, 2046
Texas Energy Fund (TxEF) Loan
Texas Energy Fund Loan [Member]
Texas Energy Fund Loan
Cash flows — investing activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Unsettled shares cost
Treasury Stock, Value, Acquired, Accrued, Cost Method
Equity impact of the cost of common and preferred stock that were accrued for repurchase during the period. Recorded using the cost method.
Net income
Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax
Segments [Domain]
Segments [Domain]
Interest Rate Swaps
Interest Rate Swap [Member]
Electricity purchases and sales
Electricity Purchases And Sales [Member]
Electricity purchases and sales [Member]
Increase (decrease) in regulatory liabilities
Increase (Decrease) in Regulatory Liabilities
Net exposure
Net Exposure To Banking and Financial Sector Percentage
Net Exposure To Banking and Financial Sector Percentage
Support Risk Management and Trading Margin Requirements Including Over the Counter Hedging Transactions and Collateral Postings with Electric Reliability Council of Texas
Support Risk Management And Trading Margin Requirements Including Over The Counter Hedging Transactions And Collateral Postings With Electric Reliability Council Of Texas [Member]
Support risk management and trading margin requirements in the normal course of business, including over-the-counter hedging transactions and collateral postings [Member]
Scenario [Axis]
Scenario [Axis]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Senior Secured Notes Due
Senior Secured Notes Due [Member]
Senior Secured Notes Due
Business Combination [Table]
Business Combination [Table]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Secured Debt
Secured Debt [Member]
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Number of natural gas generation facilities capacity in megawatts
Number Of Natural Gas Generation Facilities Capacity
Number Of Natural Gas Generation Facilities Capacity
Total costs
Costs and Expenses
Debt instrument, interest rate, stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Stockholders' equity
Equity, Attributable to Parent
Entity Listings, Exchange [Axis]
Entity Listings, Exchange [Axis]
Other noncurrent assets
Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
ASSETS
Assets [Abstract]
Consideration transferred number of shares (in shares)
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Insider Trading Policies and Procedures [Line Items]
Allowance for credit losses
Allowance for credit losses on accounts receivable at beginning of period
Allowance for credit losses on accounts receivable at end of period
Accounts Receivable, Allowance for Credit Loss, Current
Income tax refunds
Proceeds from Income Tax Refunds
Number of combined cycle gas turbine facilities acquired
Number Of Combined Cycle Gas Turbine Facilities Acquired
Number Of Combined Cycle Gas Turbine Facilities Acquired
Prepaid expense and other current assets
Prepaid Expense and Other Assets, Current
Kristopher Moldovan [Member]
Kristopher Moldovan
Derivative asset (liability), measurement input amount
Derivative Asset (Liability), Measurement Input Amount
Derivative Asset (Liability), Measurement Input Amount
Coal combustion residuals, rules for closure of coal ash ponds in Illinois, number of operating permit applications filed
Coal Combustion Residuals, Rules For Closure Of Coal Ash Ponds in Illinois, Number Of Operating Permit Applications Filed
Coal Combustion Residuals, Rules for Closure of Coal Ash Ponds in Illinois, Number of Operating Permit Applications Filed
Miami Fort
Miami Fort Power Station [Member]
Miami Fort Power Station
Antidilutive securities excluded from computation of earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
5.700% Senior Notes, due December 30, 2034
5.700% Senior Notes due 2034 [Member]
5.700% Senior Notes due 2034
Entity Central Index Key
Entity Central Index Key
Environmental protection agency, number of categories of unit
Environmental Protection Agency, Number Of Categories Of Unit
Environmental Protection Agency, Number Of Categories Of Unit
Less accumulated depreciation
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization
Additional paid-in-capital
Additional Paid in Capital, Common Stock
Accounts Receivable Securitization Program
Accounts Receivable Securitization Program [Member]
Accounts Receivable Securitization Program
Total equity:
Equity
Equity [Abstract]
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Other
Stockholders' Equity, Other
Liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities
Revenue from other wholesale contracts
Revenue From Other Wholesale Contracts [Member]
Revenue from other wholesale contracts [Member]
Ownership [Axis]
Ownership [Axis]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Preferred stock, contractual rates
Preferred Stock, Dividend Rate, Percentage
Share Repurchase Program [Table]
Share Repurchase Program [Table]
Net assets acquired
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net assets, Excluding Cash
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net assets, Excluding Cash
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Power generation and structures and office and other equipment
Power Generation, Structures, Office And Other Equipment [Member]
Power Generation, Structures, Office And Other Equipment
Capitalized interest
Interest Costs Capitalized Adjustment
Debt instrument, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Accumulated Other Comprehensive Income
AOCI Attributable to Parent [Member]
Retail energy charge in Northeast/Midwest
Retail Energy Charge In Northeast/Midwest [Member]
Retail Energy Charge in Northeast/Midwest
All Individuals
All Individuals [Member]
Power generation and structures and office and other equipment
Power Generation And Structures And Office And Other Equipment [Member]
Power Generation And Structures And Office And Other Equipment
Statement [Line Items]
Statement [Line Items]
Asset Retirement Obligations [Line Items]
Asset Retirement Obligations [Line Items]
Asset Retirement Obligations [Line Items]
Total assets
Assets
Derivative, nonmonetary notional amount, energy measure
Derivative, Nonmonetary Notional Amount, Energy Measure
Total other revenues
Total Other Revenues [Member]
Total Other Revenues [Member]
Derivative asset (liability), measurement input
Derivative Asset (Liability), Measurement Input
Derivative Asset (Liability), Measurement Input
Asset Closure
Asset Closure Segment [Member]
Asset Closure Segment [Member]
Operating Segments
Operating Segments [Member]
Energy Harbor Revenue Bonds
Energy Harbor Revenue Bonds [Member]
Energy Harbor Revenue Bonds
Interest expense and related charges
Total interest expense and related charges
Interest expenses and related charges
Interest Expense, Nonoperating
Total identifiable liabilities assumed
Business Combination, Recognized Liability Assumed, Liability
PEO
PEO [Member]
Letter of Credit by Coverage Type [Domain]
Letter of Credit by Coverage Type [Domain]
Letter of Credit by Coverage Type [Domain]
Other noncurrent liabilities and deferred credits
Other Liabilities, Noncurrent
Goodwill
Goodwill
Goodwill
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Construction / Term Loans
Construction And Term Loans [Member]
Construction And Term Loans
4.750% Revenue Bonds, due June 1, 2033 and July 1, 2033
4.750% Energy Harbor Secured Notes Due 2033 [Member]
4.750% Energy Harbor Secured Notes Due 2033
Retained Earnings (Accumulated Deficit)
Retained Earnings [Member]
Covenant net leverage ratio
Debt Instrument Covenant Net Leverage Ratio
Debt Instrument Covenant Net Leverage Ratio
Revolving Credit Facility
Revolving Credit Facility [Member]
ISO-New England
ISO-New England [Member]
ISO-New England
Software and other technology-related assets
Software, In-Development, Internally Developed, and Purchased [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Award Timing Disclosures [Line Items]
Schedule of Fair Value of Debt
Fair Value, by Balance Sheet Grouping [Table Text Block]
Diluted (in dollars per share)
Earnings Per Share, Diluted
Construction/Term Loan Commitments
Construction/Term Loan Commitments [Member]
Construction/Term Loan Commitments
Accelerated Share Repurchases [Table]
Accelerated Share Repurchases [Table]
Capitalized interest
Interest Costs Capitalized
Accrued employee incentive
Increase (Decrease) in Employee Related Liabilities
Litigation Case [Domain]
Litigation Case [Domain]
Stockholders' Equity Note [Abstract]
Finite-Lived Intangible Assets and Liabilities [Line Items]
Intangible Asset, Finite-Lived [Line Items]
Ownership [Domain]
Ownership [Domain]
Natural Gas-fueled Peaking Plant at Permian
Natural Gas-fueled Peaking Plant at Permian [Member]
Natural Gas-fueled Peaking Plant at Permian
Natural gas
Natural Gas [Member]
Pulaski
Pulaski [Member]
Pulaski
Total identifiable assets acquired
Business Combination, Recognized Asset Acquired, Asset
Lotus Infrastructure Partners
Lotus Infrastructure Partners [Member]
Lotus Infrastructure Partners
Total revenue from contracts with customers
Revenue from Contract with Customer, Excluding Assessed Tax
Identifiable intangible liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Identifiable Intangible Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Identifiable Intangible Liabilities
Available Capacity
Line of Credit Facility, Remaining Borrowing Capacity
Litigation, period
Litigation, Period
Litigation, Period
Surety Bonds
Surety Bond [Member]
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Share Repurchase Program [Line Items]
Share Repurchase Program [Line Items]
Accrued interest
Increase (Decrease) in Interest Payable, Net
Gross exposure
Credit Risk Exposure To Banking and Financial Sector Percentage
Credit Risk Exposure To Banking and Financial Sector Percentage
Other noncurrent liabilities and deferred credits
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Liabilities And Deferred Credits
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Liabilities And Deferred Credits
Land Reclamation, Coal Ash, and Other
Land Reclamation, Coal Ash And Other [Member]
Land Reclamation, Coal Ash And Other
5.250% Senior Notes, due April 30, 2033
5.250% Senior Notes due 2033 [Member]
5.250% Senior Notes due 2033
5.000% Senior Notes, due July 31, 2027
5.000% Senior Notes Due 2027 [Member]
5.000% Senior Notes due 2027 [Member]
Nuclear fuel
Nuclear Fuel [Member]
October 2025
Incremental Share Repurchase Program Approved By The Board Of Directors In October 2025 [Member]
Incremental Share Repurchase Program Approved By The Board Of Directors In October 2025
Net unrealized gain (loss) on derivative instruments
Derivative, Gain (Loss) on Derivative, Net
Operating income
Operating Income (Loss)
Schedule of Dividends Declared
Dividends Declared [Table Text Block]
Revenue, remaining performance obligation, amount
Revenue, Remaining Performance Obligation, Amount
Issuances of debt
Proceeds from Issuance of Debt
Forward repurchase obligation to be paid
Forward Repurchase Obligation To Be Paid
Forward Repurchase Obligation To Be Paid
Secured Letter of Credit Facilities
Secured Letter of Credit Facilities [Member]
Secured Letter of Credit Facilities
Administrative Settlement Agreement and Order on Consent
Administrative Settlement Agreement and Order on Consent [Member]
Administrative Settlement Agreement and Order on Consent
Materials and supplies
Materials And Supplies [Member]
Materials And Supplies
Interest Rate Swap, Swapped to Fixed, Expiration Date March, July and October 2045
Interest Rate Swap, Swapped To Fixed, Expiration Date March and October 2045 [Member]
Interest Rate Swap, Swapped To Fixed, Expiration Date March and October 2045
Number of battery facilities
Number Of Battery Facilities
Number Of Battery Facilities
Acquisitions and Dispositions
Business Combination [Text Block]
United States Environmental Protection Agency
United States Environmental Protection Agency [Member]
United States Environmental Protection Agency [Member]
Schedule of Debt Key Changes
Debt Instrument, Key Changes [Table Text Block]
Debt Instrument, Key Changes
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Equity securities
Equity Securities [Member]
Business combination, consideration transferred, including adjustments
Business Combination, Consideration Transferred, Including Adjustments
Business Combination, Consideration Transferred, Including Adjustments
Consideration transferred, equity interest (in dollars per share)
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Price Per Share
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Price Per Share
Collateral suspension provision effective date, grace period, number of days
Collateral Suspension Provision Effective Date, Grace Period, Number of Days
Collateral Suspension Provision Effective Date, Grace Period, Number of Days
Vistra Operations debt
Vistra Operations Debt [Member]
Vistra Operations Debt
Product and Service [Domain]
Product and Service [Domain]
Class of Stock [Line Items]
Class of Stock [Line Items]
March 2023
Incremental Share Repurchase Program Approved By The Board Of Directors In March 2023 [Member]
Incremental Share Repurchase Program Approved by the Board Of Directors in March 2023
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Nuclear Plant Decommissioning - Other Noncurrent Liabilities
Nuclear Plant Decommissioning - Other Noncurrent Liabilities [Member]
Nuclear Plant Decommissioning - Other Noncurrent Liabilities
Involuntary conversion gain
Gain On Involuntary Conversion
Gain On Involuntary Conversion
Accumulated deferred income taxes
Deferred Income Tax Liabilities, Net
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Impaired Long-Lived Assets Held and Used, Asset Name [Domain]
Impaired Long-Lived Assets Held and Used, Asset Name [Domain]
Financial transmission rights / Congestion revenue rights
Financial transmission rights/Congestion revenue rights
Financial Transmission Rights/Congestion Revenue Rights [Member]
Financial transmission rights [Member]
Termination Date
Trading Arrangement Termination Date
Support Battery and Solar Development Projects
Support battery and solar development projects [Member]
Support battery and solar development projects
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Baldwin Term Loan
Baldwin Term Loan [Member]
Baldwin Term Loan
Effective tax rate at federal statutory rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Other identifiable intangible assets
Other Identifiable Intangible Assets [Member]
Other Identifiable Intangible Assets [Member]
Interest Rate Swap, Swapped to Fixed, Effective from December 2023 to December 2030
Interest Rate Swap, Swapped To Fixed, Expiration Date December 2030 [Member]
Interest Rate Swap, Swapped to Fixed, Effective from December 2023 to December 2030
Other current liabilities
Other Liabilities, Current
Fair Value as of Grant Date
Award Grant Date Fair Value
Purchases
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Schedule of Goodwill [Table]
Goodwill [Table]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Amount available for additional repurchases at the end of the period
Share Repurchase Program, Remaining Authorized, Amount
Accounts receivable repurchase facility, maximum borrowing capacity
Accounts Receivable Repurchase Facility, Maximum Borrowing Capacity
Accounts Receivable Repurchase Facility, Maximum Borrowing Capacity
Operating costs and expenses
Operating Costs and Expenses
Arrangement Duration
Trading Arrangement Duration
Consolidation Items [Axis]
Consolidation Items [Axis]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Entity Registrant Name
Entity Registrant Name
Business and Significant Accounting Policies
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Other
Interest Expense, Other
Gross Carrying Amount
Intangible Asset, Finite-Lived, before Accumulated Amortization
Operating revenues
Total revenues
Revenues
Purchases, issuances and settlements
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements [Abstract]
Commodity and other derivative contractual liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Commodity And Other Derivative Contractual Liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Commodity And Other Derivative Contractual Liabilities
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Business interruption insurance proceeds
Business Interruption Insurance Proceeds [Member]
Business Interruption Insurance Proceeds
West
West Segment [Member]
West Segment
Natural gas to power correlation
Natural Gas To Power Correlation [Member]
Natural Gas To Power Correlation
4.375% Senior Notes, due May 1, 2029
4.375% Senior Notes Due 2029 [Member]
4.375% Senior Notes Due 2029
Finite-Lived Intangible Assets and Liabilities, Major Class Name [Domain]
Intangible Asset, Finite-Lived, Class [Domain]
Retail trade names (not subject to amortization)
Trade Names [Member]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
All Award Types
Award Type [Domain]
Fair Value Measurements
Fair Value Disclosures [Text Block]
NYSE Texas
NYSE TEXAS, INC. [Member]
Level 3
Level 3
Fair Value, Inputs, Level 3 [Member]
Other trade accounts receivable — net
Other Trade Accounts Receivables [Member]
Other Trade Accounts Receivables [Member]
Total number of shares repurchased (in shares)
Treasury Stock, Shares, Acquired
2027
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One
Subsidiary, ownership percentage, noncontrolling owner
Subsidiary, Ownership Percentage, Noncontrolling Owner
Collateral Financing Agreement With Affiliate
Collateral Financing Agreement With Affiliate [Text Block]
Collateral Financing Agreement With Affiliate
Other Income, Nonoperating [Line Items]
Other Income, Nonoperating [Line Items]
Other Income, Nonoperating [Line Items]
Geographical [Axis]
Geographical [Axis]
Schedule of Share Repurchase Program
Schedule of Share Repurchase Program [Table Text Block]
Schedule of Share Repurchase Program
All other
Other Nonoperating Income, Other
Other nonoperating income not separately presented elsewhere.
Nuclear Plant Decommissioning
Nuclear Plant Decommissioning [Member]
Nuclear Plant Decommissioning [Member]
5.000% Senior Unsecured Notes Due 2031
5.000% Senior Unsecured Notes Due 2031 [Member]
5.000% Senior Unsecured Notes Due 2031
Legal Entity [Axis]
Legal Entity [Axis]
Stock repurchases
Amount paid for shares repurchased
Treasury Stock, Value, Acquired, Cost Method
Cash, cash equivalents and restricted cash (current and noncurrent) — beginning balance
Cash, cash equivalents and restricted cash (current and noncurrent) — ending balance
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Schedule of Finite-Lived Intangible Assets and Liabilities [Table]
Intangible Asset, Finite-Lived [Table]
Total assets
Assets, Fair Value Disclosure, Including Assets Measured At Net Asset Value
Assets, Fair Value Disclosure, Including Assets Measured At Net Asset Value
Non-NEOs
Non-NEOs [Member]
Numbers of states in which entity operates
Numbers Of States In Which Entity Operates
Numbers Of States In Which Entity Operates
Reporting Unit [Domain]
Reporting Unit [Domain]
Cash consideration
Payments to Acquire Businesses, Gross
5.250% Senior Notes, due October 15, 2035
5.250% Senior Notes Due 2035 [Member]
5.250% Senior Notes Due 2035
2028
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two
Debt instrument, fee on undrawn amounts
Debt Instrument, Fee On Undrawn Amounts
Debt Instrument, Fee On Undrawn Amounts
Schedule of Debt
Schedule of Debt [Table Text Block]
Derivative liability, fair value, net
Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Asset retirement obligations
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Asset Retirement Obligations
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Asset Retirement Obligations
Federal coal combustion residual rule, proposed groundwater monitoring and closure requirement, number of states challenging rule
Federal Coal Combustion Residual Rule, Proposed Groundwater Monitoring And Closure Requirement, Number Of States Challenging Rule
Federal Coal Combustion Residual Rule, Proposed Groundwater Monitoring And Closure Requirement, Number of States Challenging Rule
Surety bonds outstanding
Surety Bonds Outstanding, Amount
The total amount of the contingent obligation under surety bonds as of the reporting date.
Stock repurchases
Payments for Repurchase of Common Stock
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Asset retirement obligation, non-cash additions, asset retirement costs
Asset Retirement Obligation, Non-cash Additions, Asset Retirement Costs
Asset Retirement Obligation, Non-cash Additions, Asset Retirement Costs
Government Assistance [Line Items]
Government Assistance [Line Items]
Award Type
Award Type [Axis]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Interest Rate Swap, Swapped to Variable, Effective from July 2023 to July 2026
Interest Rate Swap, Swapped To Variable, Expiration Date July 2026 [Member]
Interest Rate Swap, Swapped To Variable, Expiration Date July 2026
Retained earnings (accumulated deficit)
Retained Earnings (Accumulated Deficit)
Product and Service [Axis]
Product and Service [Axis]
Restricted cash
Restricted Cash, Noncurrent
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Common Stock
Common Stock [Member]
Series B Preferred Stock
Series B Preferred Stock [Member]
ERCOT
ERCOT [Member]
ERCOT
Proceeds from sales of property, plant, and equipment, including nuclear fuel
Proceeds from Sale of Other Productive Assets
Estimated Amortization Expense
Intangible Asset, Finite-Lived, after Accumulated Amortization, Estimated Amortization Expense, Fiscal Year Maturity [Abstract]
Derivative Contract [Domain]
Derivative Contract [Domain]
Term Loan
Term Loan [Member]
Term Loan [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Total liabilities and equity
Liabilities and Equity
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Noncontrolling interest in subsidiary
Equity, Attributable to Noncontrolling Interest
Asset retirement obligations
Less amounts due currently
Asset Retirement Obligation, Current
Segments [Axis]
Segments [Axis]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Tabular List, Table
Tabular List [Table Text Block]
Purchases of environmental allowances
Payments to Acquire Intangible Assets
Accretion
Asset Retirement Obligation, Accretion Expense
2029
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
2026
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Market Approach
Valuation, Market Approach [Member]
Property, Plant and Equipment, Type [Domain]
Long-Lived Asset, Class [Domain]
Fuel, purchased power costs, and delivery fees
Cost Of Fuel Purchased Power And Delivery
Cost Of Fuel Purchased Power And Delivery
Number of nuclear power plants
Number Of Nuclear Power Plants
Number Of Nuclear Power Plants
Property, Plant, and Equipment [Table]
Property, Plant, and Equipment [Table]
Preferred stock (100,000,000 shares authorized, $1,000 liquidation preference per share, 2,476,066 shares outstanding at both June 30, 2026 and December 31, 2025, respectively)
Preferred Stock, Value, Issued
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Transfers out of Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3
Dividends Payable [Line Items]
Dividends Payable [Line Items]
Dividends Payable [Table]
Dividends Payable [Table]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activity
Credit Facility [Axis]
Credit Facility [Axis]
Commodity and other derivative contractual assets
Derivative Instruments and Hedges, Assets
Sub-total
Assets
Assets, Fair Value Disclosure
4.300% Senior Notes, due July 15, 2029
4.300% Senior Notes Due 2029 [Member]
4.300% Senior Secured Notes Due 2029 [Member]
Schedule of Repurchase Agreements
Schedule of Repurchase Agreements [Table Text Block]
Long-term debt, less amounts due currently
Total long-term debt less amounts due currently
Long-Term Debt and Lease Obligation
5.050% Senior Notes, due December 30, 2026
5.050% Senior Notes Due 2026 [Member]
5.050% Senior Notes Due 2026
Line of credit facility, increase (decrease), net
Line of Credit Facility, Increase (Decrease), Net
Name
Measure Name
Government Assistance [Table]
Government Assistance [Table]
Pay vs Performance Disclosure [Line Items]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy and NAV [Domain]
Net change
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Indefinite-lived Intangible Assets by Major Class [Axis]
Intangible Asset, Indefinite-Lived, Class [Axis]
Proceeds from sales of environmental allowances
Proceeds from Sale of Intangible Assets
Committed capital
Investment Company, Committed Capital
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Repayments under Commodity-Linked Facility
Repayments of Short-Term Debt
Natural gas basis
Natural Gas Basis [Member]
Natural Gas Basis
Name
Trading Arrangement, Individual Name
Cash and cash equivalents
Cash and Cash Equivalent
Moss Landing Battery Energy Storage System Phases II and III
Moss Landing Battery Energy Storage System Phases II and III [Member]
Moss Landing Battery Energy Storage System Phases II and III
Company Selected Measure Amount
Company Selected Measure Amount
Cogentrix Energy
Cogentrix Energy [Member]
Cogentrix Energy
Schedule of Amortization Expense Related to Intangible Assets and Liabilities
Schedule of Amortization Expense Related to Intangible Assets and Liabilities [Table Text Block]
Schedule of Amortization Expense Related to Intangible Assets and Liabilities
Depreciation and amortization
Depreciation and amortization
Depreciation, Depletion and Amortization
Fuel stock and natural gas in storage
Fuel And Natural Gas, Storage [Member]
Fuel And Natural Gas, Storage
Derivative assets (liabilities), fair value, gross liability
Derivative Assets And Liability, Fair Value, Gross Liability
Derivative Assets And Liability, Fair Value, Gross Liability
Financial Covenant Two
Financial Covenant Two [Member]
Financial Covenant Two
Margin deposits, net
Increase (Decrease) In Margin Deposits, Net
The net change during the reporting period in cash deposits placed with a broker or counterparty as security for hedging/trading positions and the amount of broker or counterparty money held as collateral for such transactions.
Non-PEO NEO
Non-PEO NEO [Member]
Credit Risk Contract
Credit Risk Contract [Member]
Option Pricing Model
Option Pricing Model Valuation Technique [Member]
Option Pricing Model Valuation Technique [Member]
Award Timing Method
Award Timing Method [Text Block]
Net change in cash, cash equivalents and restricted cash (current and noncurrent)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Forecast
Forecast [Member]
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Net income attributable to Vistra
Net income attributable to Vistra
Net Income (Loss) Attributable to Parent
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Balance Sheet Location [Axis]
Location, Statement of Financial Position, Balance [Axis]
Bridge Loans
Bridge Loan [Member]
Restatement Determination Date:
Restatement Determination Date [Axis]
Illiquid price differences between settlement points
Illiquid Price Differences Between Settlement Points [Member]
Illiquid Price Differences Between Settlement Points
5.550% Senior Unsecured Notes Due 2036
5.550% Senior Unsecured Notes Due 2036 [Member]
5.550% Senior Unsecured Notes Due 2036
Accelerated Share Repurchases [Line Items]
Accelerated Share Repurchases [Line Items]
4.300% Senior Notes, due October 15, 2028
4.300% Senior Notes Due 2028 [Member]
4.300% Senior Notes Due 2028
Coffeen Term Loan
Coffeen Term Loan [Member]
Coffeen Term Loan
Schedule of Changes in Fair Value of the Level 3 Assets and Liabilities
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Property, plant, and equipment
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment
Retirement of Generation Facilities [Table]
Retirement Of Generation Facilities [Table]
Retirement Of Generation Facilities [Table]
Transferable PTC revenues
Transferable Production Tax Credit Revenues [Member]
Transferable Production Tax Credit (PTC) Revenues
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Impaired Long-Lived Assets Held and Used by Type [Axis]
Impaired Long-Lived Assets Held and Used by Type [Axis]
Martin Lake facility
Martin Lake facility [Member]
Martin Lake facility
Document Fiscal Year Focus
Document Fiscal Year Focus
Derivative liability, offsetting instruments
Offsetting fair value under netting arrangements
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset
Revenue, remaining performance obligation, expected timing of satisfaction, period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Derivative liabilities, financial collateral (received) pledged
Cash collateral and letters of credit
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset
Weighted average shares of common stock outstanding:
Weighted average shares of common stock outstanding:
Weighted Average Shares Outstanding [Abstract]
Weighted Average Shares Outstanding [Abstract]
Hedging revenues — realized
Hedging Revenue, Realized [Member]
Hedging Revenue, Realized
Vistra Zero Project-Level Credit Agreement
Vistra Zero Project-Level Credit Agreement [Member]
Vistra Zero Project-Level Credit Agreement
Common stock (par value $0.01 per share, 1,800,000,000 shares authorized, 335,961,328 and 338,059,635 shares outstanding at June 30, 2026 and December 31, 2025, respectively)
Common Stock, Value, Issued
Tax withholding on stock-based compensation
Payment, Tax Withholding, Share-Based Payment Arrangement
Depreciation and amortization
Depreciation, Amortization and Accretion, Net
Total capital expenditures, including nuclear fuel and excluding growth expenditures
Payments To Acquire Property, Plant and Equipment And Nuclear Fuel
The net cash inflow or outflow to acquired property, plant and equipment and nuclear fuel.
Schedule of Long-Term Debt Instruments
Schedule of Long-Term Debt Instruments [Table Text Block]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Line of Credit
Line of Credit [Member]
Restatement Determination Date
Restatement Determination Date
Derivative assets, financial collateral (received) pledged
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset
Long-term debt and lease obligation, including current maturities
Total long-term debt, including amounts due currently
Long-Term Debt and Lease Obligation, Including Current Maturities
Schedule of Income Tax (Expense) Benefit
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Revenue Bonds
Revenue Bonds [Member]
Revenue Bonds
Net capacity sold
Net Capacity Sold
Net Capacity Sold
Amendment Flag
Amendment Flag
Goodwill [Line Items]
Goodwill [Line Items]
Current liabilities:
Liabilities, Current [Abstract]
Trade accounts receivables, inventories, prepaid expenses, and other current assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Trade Accounts Receivables, Inventories, Prepaid Expenses And Other Current Assets
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Trade Accounts Receivables, Inventories, Prepaid Expenses And Other Current Assets
Bad debt expense
Accounts Receivable, Credit Loss Expense (Reversal)
Schedule of Notional Amounts of Outstanding Derivative Positions
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Government Assistance [Abstract]
Asset Retirement Obligations [Table]
Asset Retirement Obligations [Table]
Asset Retirement Obligations [Table]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Interest paid (net of capitalized interest)
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
5.550% Senior Notes, due April 30, 2036
5.550% Senior Notes Due 2036 [Member]
5.550% Senior Notes Due 2036
Margin deposits financing with affiliate
Margin Deposit Financing With Affiliate
Margin Deposit Financing With Affiliate
Finance lease right-of-use assets
Finance Lease, Right-of-Use Asset, before Accumulated Amortization
Vistra Vision
Vistra Vision [Member]
Vistra Vision
Loss Contingencies [Table]
Loss Contingencies [Table]
Wholesale generation revenue from ISO/RTO
Wholesale Generation Revenue From ERCOT [Member]
Wholesale generation revenue from ERCOT [Member]
Market Heat Rates
Market Heat Rates [Member]
Market Heat Rates
Interest rate swaps – variable/fixed
Interest rate swaps, floating to fixed [Member]
Interest rate swaps, floating to fixed
Vistra Zero Term Loan B Facility
Vistra Zero Term Loan B Facility [Member]
Vistra Zero Term Loan B Facility
Derivative assets, net amounts
Derivative Asset, Subject to Master Netting Arrangement
Derivative Asset, Subject to Master Netting Arrangement
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Other Income, Nonoperating [Table]
Other Income, Nonoperating [Table]
Other Income, Nonoperating
Payments
Asset Retirement Obligation, Liabilities Settled
Property, Plant, and Equipment [Abstract]
Entity Address, State or Province
Entity Address, State or Province
Series C Preferred Stock
Series C Preferred Stock [Member]
PEO Total Compensation Amount
PEO Total Compensation Amount
Net exposure
Derivative Contract Counterparties, Maximum Potential Future Exposure on Credit Risk Derivatives, Net Exposure, After Effect Master Netting Arrangements, Setoff Provisions and Collateral
Derivative Contract Counterparties, Maximum Potential Future Exposure on Credit Risk Derivatives, Net Exposure, After Effect Master Netting Arrangements, Setoff Provisions and Collateral
Natural gas
Natural Gas Derivative [Member]
Natural Gas Derivative [Member]
Unrealized net (gain) loss from mark-to-market valuations of commodities
Unrealized Gain (Loss) On Commodity Related Derivatives
The increases (decreases) in the market value of commodity-related derivative instruments, including options, swaps, futures, and forward contracts, which were included in earnings in the period.
Assets:
Assets, Fair Value Disclosure [Abstract]
Vistra Operations
Vistra Operations [Member]
Vistra Operations
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Notional Amount (Net of Amortization)
Derivative, notional amount
Derivative, Notional Amount
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Texas
Texas Segment [Member]
Texas Segment
Comanche Peak Nuclear Power Plant
Comanche Peak Nuclear Power Plant [Member]
Comanche Peak Nuclear Power Plant
Rate Range
Effective Interest Rate, Debt Based On Derivative Contracts
Effective rate of debt instruments after taking into account the impact of derivative contracts.
Texas Generation Reporting Unit
Texas Generation Reporting Unit [Member]
Texas Generation Reporting Unit [Member]
Document Information [Line Items]
Document Information [Line Items]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Class of Stock [Axis]
Class of Stock [Axis]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Dividends paid to preferred stockholders
Payments of Ordinary Dividends, Preferred Stock and Preference Stock
Nonmonetary notional volume
Derivative, Nonmonetary Notional Amount
Net income (loss) attributable to Vistra common stock
Net Income (Loss) Available to Common Stockholders, Basic
Debt Instrument Redemption [Table]
Debt Instrument Redemption [Table]
Unrealized net (gain) loss from mark-to-market valuations of interest rate swaps
Unrealized mark-to-market net (gains) losses on interest rate swaps
Unrealized (Gain) Loss On Interest Rate Swap Derivatives
The increases (decreases) in the market value of interest rate related derivative instruments.
Accumulated Amortization
Intangible Asset, Finite-Lived, Accumulated Amortization
Receivable [Domain]
Receivable [Domain]
Interest expense
Post-Emergence, Interest Paid And Accrued
Post-Emergence, Interest Paid and Accrued
Facility Limit
Facility Limit
Line of Credit Facility, Maximum Borrowing Capacity
Insurance proceeds for recovery of damaged property, plant, and equipment
Proceeds from Insurance Settlement, Investing Activities
Commodity and other derivative contractual liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Commodity And Other Derivative Contractual Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Commodity And Other Derivative Contractual Liabilities
Dividends declared on preferred stock
Dividends, Preferred Stock
Equipment Financing Agreements
Equipment Financing Agreement [Member]
Equipment Financing Agreement [Member]
Derivative liability, net amounts
Liquidity exposure
Derivative Liability, Subject to Master Netting Arrangement
Derivative Liability, Subject to Master Netting Arrangement
New Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Litigation Case [Axis]
Litigation Case [Axis]
Land
Land [Member]
Cumulative authorization at June 30, 2026
Share Repurchase Program [Member]
Share Repurchase Program
Noncontrolling Interest in Subsidiary
Noncontrolling Interest [Member]
Equipment Financing Agreements
Unsecured Debt [Member]
Long-term debt including amounts due currently
Long-Term Debt
Decommissioning fund investments, debt maturities, five through ten years, fair value
Decommissioning Fund Investments, Debt Maturities, Five Through Ten Years, Fair Value
Decommissioning Fund Investments, Debt Maturities, Five Through Ten Years, Fair Value
Property, Plant, and Equipment
Property, Plant, and Equipment [Text Block]
Total
Assets (Liabilities), Fair Value Disclosure
Assets (Liabilities), Fair Value Disclosure
Changes in operating assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Initial commitment capital
Investment Company, Initial Commitment Capital
Investment Company, Initial Commitment Capital
Cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Line of credit facility, borrowings outstanding
Borrowings Outstanding
Line Of Credit Facility, Borrowings Outstanding
Amount of borrowings outstanding under line of credit financing arrangement.
Additional Liability, Long-Duration Insurance, Activity [Table]
Additional Liability, Long-Duration Insurance, Activity [Table]
Moss Landing Power Plant (Battery Storage Project)
Moss Landing Power Plant (Battery Storage Project) [Member]
Moss Landing Power Plant (Battery Storage Project) [Member]
Equity
Equity [Text Block]
Security Exchange Name
Security Exchange Name
Total identifiable assets acquired
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets
Loss Events and Insurance Recoveries
Insurance Disclosure [Text Block]
Total property, plant, and equipment expense
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization, Period Increase (Decrease)
Government Grants
Government Assistance [Text Block]
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Total liabilities
Liabilities, Fair Value Disclosure
Covenant first-lien leverage ratio
Debt Instrument, Covenant Lien Leverage Ratio
Debt Instrument, Covenant Lien Leverage Ratio
Business acquisition, goodwill, expected tax deductible term
Business Acquisition, Goodwill, Expected Tax Deductible Term
Business Acquisition, Goodwill, Expected Tax Deductible Term
Accrued interest
Interest Payable, Current
Schedule of Property, Plant and Equipment
Property, Plant, and Equipment [Table Text Block]
Name
Outstanding Recovery, Individual Name
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Geographical [Domain]
Geographical [Domain]
Retail trade names (not subject to amortization)
Intangible Asset, Excluding Goodwill, Indefinite-Lived
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Gross exposure
Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure
Preferred stock, dividends per share, paid (in dollars per share)
Preferred Stock, Dividends, Per Share, Cash Paid
Investments
Other Long-Term Investments
Payments to acquire interest in subsidiaries and affiliates
Payments to Acquire Interest in Subsidiaries and Affiliates
Long-term debt before unamortized premiums, discounts and issuance costs
Long-Term Debt, Gross
Debt securities
Debt Securities [Member]
Compensation Amount
Outstanding Recovery Compensation Amount
Individual:
Individual [Axis]
Acquiring of membership interest
Business Combination, Voting Equity Interest Acquired, Percentage
Diluted (in shares)
Diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Unrealized net gain (loss) from changes in fair value on derivative instruments:
Derivative, Unrealized Gain (Loss) on Derivative (Reversal), Net
Derivative, Unrealized Gain (Loss) on Derivative (Reversal), Net
Newton
Newton Power Plant [Member]
Newton Power Plant
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Entity Emerging Growth Company
Entity Emerging Growth Company
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Property, plant, and equipment — net
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Borrowings under Revolving Credit Facility
Proceeds from lines of credit
Proceeds from Lines of Credit
TxEF Loan
TxEF Loan [Member]
TxEF Loan
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Short-term borrowings
Short-term borrowings
Short-Term Debt
Derivative liabilities, far value, gross asset
Fair value of derivative contract liabilities
Derivative Liability, Subject to Master Netting Arrangement, before Offset
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Impairment of long-lived assets
Impairment of long-lived and other assets
Impairment losses
Long-Lived Asset, Held and Used, Impairment Loss
Restricted cash
Restricted Cash, Current
Treasury Stock
Treasury Stock, Common [Member]
Intangible Asset, Goodwill and Other [Abstract]
Intangible Asset, Goodwill and Other [Abstract]
Letters of credit outstanding
Letters of Credit Outstanding, Amount
Derivative assets (liabilities), offsetting instruments
Derivative Asset (Liability), Fair Value, Gross Liability (Asset)
Derivative Asset (Liability), Fair Value, Gross Liability (Asset)
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Intangible Asset, Indefinite-Lived, Class [Domain]
Vistra Operations Senior Notes
Vistra Operations Senior Secured And Unsecured Notes [Member]
Vistra Operations Senior Secured and Unsecured Notes
Renewable energy certificates
Renewable Energy Certificate [Member]
Renewable Energy Certificate [Member]
All Executive Categories
All Executive Categories [Member]
Vistra Operations Credit Facilities, Term Loan B-3 Facility
Long-term debt under the Vistra Operations Credit Facilities
Vistra Operations Credit Facility [Member]
Vistra Operations Credit Facility [Member]
Valuation Approach and Technique [Domain]
Valuation Approach and Technique [Domain]
Schedule of Asset Retirement Obligations
Schedule of Asset Retirement Obligations [Table Text Block]
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
3.750% Revenue Bond, due October 1, 2047
3.750% Energy Harbor Secured Notes Due 2047 [Member]
3.750% Energy Harbor Secured Notes Due 2047
Schedule of Earnings Per Share, Basic and Diluted
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Segment Information
Segment Reporting [Text Block]
Minimum
Minimum [Member]
Construction/Term Loan Facility Commitments
Construction/Term Loan Facility Commitments [Member]
Construction/Term Loan Facility Commitments
Schedule of Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Income Statement Location [Axis]
Location, Statement of Income, Balance [Axis]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Adjustment for change in estimates
Asset Retirement Obligation, Adjustment For New Cost Estimate
Asset Retirement Obligation, Adjustment For New Cost Estimate
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
Unbilled receivables, current
Unbilled Receivables, Current
Principal outstanding
Business Combination, Consideration Transferred, Liabilities Incurred
Business Combination [Line Items]
Business Combination [Line Items]
Dividends declared on common stock
Dividends, Common Stock
Retail and wholesale contracts
Retail And Wholesale Contracts [Member]
Retail and Wholesale Contracts [Member]
Financing Receivable, Allowance for Credit Loss [Table]
Financing Receivable, Allowance for Credit Loss [Table]
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Retail
Retail Segment [Member]
Retail Segment [Member]
Asset Retirement Obligation Disclosure [Abstract]
Exercise Price
Award Exercise Price
Segment Reporting [Line Items]
Segment Reporting [Line Items]
Stock repurchase program, authorized amount
Share Repurchase Program, Authorized, Amount
Document Quarterly Report
Document Quarterly Report
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Moss Landing Battery Energy Storage System Phase II
Moss Landing Battery Energy Storage System Phase II [Member]
Moss Landing Battery Energy Storage System Phase II
Repayments/repurchases of debt
Repayments of Long-Term Debt
Margin deposits posted under affiliate financing agreement
Margin Deposits Posted Under Affiliate Financing Agreement, Asset
The amount of cash or securities funded by an affiliate financing agreement posted with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds by the broker dealer.
Preferred sock, liquidation preference (in dollars per share)
Preferred Stock, Liquidation Preference Per Share
Unamortized premiums, discounts and issuance costs
Unamortized debt premiums, discounts and issuance costs
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Equity Component [Domain]
Equity Component [Domain]
3.375% Revenue Bond, due August 1, 2029
3.375% Energy Harbor Secured Notes Due 2029 [Member]
3.375% Energy Harbor Secured Notes Due 2029
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Total identifiable assets acquired
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities
Total unrealized valuation gains (losses)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings
Options
Electricity And Weather Options [Member]
Electricity and Weather Options [Member]
Wholesale and retail trade accounts receivable
Accounts Receivable, before Allowance for Credit Loss, Current
Adoption Date
Trading Arrangement Adoption Date
Schedule of Other Income (Deductions), Net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
February 2024
Incremental Share Repurchase Program Approved By The Board Of Directors In February 2024 [Member]
Incremental Share Repurchase Program Approved By The Board Of Directors In February 2024
Accrued taxes other than income
Increase (Decrease) in Accrued Taxes Payable
Investment tax credit
Investment Tax Credit
5.250% Senior Unsecured Notes Due 2033
5.250% Senior Unsecured Notes Due 2033 [Member]
5.250% Senior Unsecured Notes Due 2033
Regulatory Agency [Axis]
Regulatory Agency [Axis]
Title
Trading Arrangement, Individual Title
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Solar energy storage system capacity
Solar Energy Storage System Capacity
Solar Energy Storage System Capacity
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Regulatory Agency [Domain]
Regulatory Agency [Domain]
Other, net
Proceeds from (Payment for) Other Financing Activity
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Schedule of Line of Credit Facilities
Schedule of Line of Credit Facilities [Table Text Block]
Commodity and other derivative contractual liabilities
Derivative Instruments and Hedges, Liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Interest Rate Swap, Swapped to Fixed, Effective from July 2023 to July 2026
Interest Rate Swap, Swapped To Fixed, Expiration Date July 2026 [Member]
Interest Rate Swap, Swapped to Fixed, Effective From July 2023 To July 2026 [Member]
Selling, general, and administrative expenses
Selling, general, and administrative expenses
Selling, General and Administrative Expense
Preferred stock, dividend rate, first reset date and thereafter, basis spread on variable rate, percentage
Preferred Stock, Dividend Rate, First Reset Date And Thereafter, Basis Spread On Variable Rate, Percentage
Preferred Stock, Dividend Rate, First Reset Date and Thereafter, Basis Spread on Variable Rate, Percentage
Business Combination [Domain]
Business Combination [Domain]
Common stock shares issued not disclosed
Common Stock Shares Issued Not Disclosed
Common Stock Shares Issued Not Disclosed
Retirement of Generation Facilities [Line Items]
Retirement Of Generation Facilities [Line Items]
Retirement Of Generation Facilities [Line Items]
Letter of Credit
Letter of Credit [Member]
4.600% Senior Notes, due October 15, 2030
4.600% Senior Notes Due 2030 [Member]
4.600% Senior Notes Due 2030
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Construction work in progress
Construction in Progress, Gross
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Corporate and Other
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Name of Property [Domain]
Name of Property [Domain]
Business Combination [Axis]
Business Combination [Axis]
Decommissioning fund investments, debt maturities, after ten years, fair value
Decommissioning Fund Investments, Debt Maturities, after Ten Years, Fair Value
Decommissioning Fund Investments, Debt Maturities, after Ten Years, Fair Value
Cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Derivative assets (liabilities): financial collateral (received) pledged
Derivative Asset (Liability), Collateral, Obligation or Right to Return or Reclaim Cash. Offset
Derivative Asset (Liability), Collateral, Obligation or Right to Return or Reclaim Cash. Offset
Securities received as collateral
Securities Received as Collateral
Asset Retirement Obligation, by type of obligation [Domain]
Asset Retirement Obligation, by type of obligation [Domain]
Asset Retirement Obligation, by type of obligation [Domain]
Income Statement [Abstract]
Income Statement [Abstract]
Document Transition Report
Document Transition Report
Accumulated deferred income taxes
Deferred Income Tax Assets, Net
October 2021
Incremental Share Repurchase Program Approved By The Board Of Directors In October 2021 [Member]
Share Repurchase Program Approved by The Board of Directors in October 2021
Eliminations
Intersegment Eliminations [Member]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Schedule of Identifiable Intangible Assets
Intangible Asset, Finite-Lived [Table Text Block]
Other noncurrent assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Noncurrent Assets
City Area Code
City Area Code
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]
Derivative assets (liabilities), fair value, gross assets
Derivative Assets And Liability, Fair Value, Gross Assets
Derivative Assets And Liability, Fair Value, Gross Assets
Property, plant, and equipment — gross
Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization
Net borrowings (repayments) under accounts receivable financing
Proceeds From (Repayments Of) Accounts Receivable Financing
Proceeds from (repayments of) financing of receivables treated as collateralized borrowings, which are classified as financing transactions.
Document Information [Table]
Document Information [Table]
Debt instrument, fair value disclosure
Debt Instrument, Fair Value Disclosure
Noncontrolling interest, discount rate
Redeemable Noncontrolling Interest, Measurement Input
Redeemable Noncontrolling Interest, Measurement Input
Name
Forgone Recovery, Individual Name
PJM (Mid-Atlantic)
PJM (Mid-Atlantic) [Member]
PJM (Mid-Atlantic)
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Entity [Domain]
Entity [Domain]
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Derivative, nonmonetary notional amount, mass
Derivative, Nonmonetary Notional Amount, Mass
Hourly price curve shape
Hourly Price Curve Shape [Member]
Hourly Price Curve Shape
Repurchase Facility
Repurchase Facility [Member]
Repurchase Facility
Less finance lease right-of-use assets accumulated amortization
Finance Lease, Right-of-Use Asset, Accumulated Amortization
Accounts receivable repurchase facility, amounts borrowed
Accounts Receivable Repurchase Facility, Amounts Borrowed
Accounts Receivable Repurchase Facility, Amounts Borrowed
Asset Retirement Obligation, by type of obligation [Axis]
Asset Retirement Obligation, by type of obligation [Axis]
Asset Retirement Obligation, by type of obligation [Axis]
Preferred stock, dividend rate, first reset date and thereafter, rate floor, annual term
Preferred Stock, Dividend Rate, First Reset Date and Thereafter, Annual Term
Preferred Stock, Dividend Rate, First Reset Date and Thereafter, Annual Term
New York Stock Exchange
NEW YORK STOCK EXCHANGE, INC. [Member]
NDT net income
NDT Net Income (Loss)
NDT Net Income (Loss)
Accrued taxes other than income
Accrual for Taxes Other than Income Taxes, Current
Arithmetic Average
Arithmetic Average [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Derivative assets: offsetting Instruments
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset
Reporting Unit [Axis]
Reporting Unit [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Cross-state air pollution rule, 2015 ozone national ambient air quality standards, federal implementation plan, beginning 2023 ozone season, number of states subject to rule
Cross-State Air Pollution Rule, 2015 Ozone National Ambient Air Quality Standards, Federal Implementation Plan, Beginning 2023 Ozone Season, Number Of States Subject To Rule
Cross-State Air Pollution Rule, 2015 Ozone National Ambient Air Quality Standards, Federal Implementation Plan, Beginning 2023 Ozone Season, Number of States Subject to Rule
Asset Retirement Obligations
Asset Retirement Obligation Disclosure [Text Block]
Series A Preferred Stock
Series A Preferred Stock [Member]
Interest rate swaps – fixed/variable
Interest rate swaps, fixed to floating [Member]
Interest rate swaps, fixed to floating
Cash and cash equivalents
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Schedule of Fair Value of the Level 3 Assets and Liabilities by Major Contract Type and the Significant Unobservable Inputs Used in the Valuations
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Greenhouse Gas Emissions (GHG)
Greenhouse Gas Emissions (GHG) [Member]
Greenhouse Gas Emissions (GHG)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Entity Current Reporting Status
Entity Current Reporting Status
Cash used in financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Total Shareholder Return Amount
Total Shareholder Return Amount
Tax withholding obligation
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Insurance settlements
Gain (Loss) Related To Insurance And Litigation Settlements
Gain (Loss) Related To Insurance And Litigation Settlements
Schedule of Business Combination
Business Combination [Table Text Block]
Schedule of Business Acquisitions, Pro Forma Information
Business Combination, Pro Forma Information [Table Text Block]
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Redeemable noncontrolling interest, payments
Redeemable Noncontrolling Interest, Payments
Redeemable Noncontrolling Interest, Payments
Decrease for account write-offs
Accounts Receivable, Allowance for Credit Loss, Writeoff
BCOP Credit Facility
BCOP Credit Facilities [Member]
BCOP Credit Facilities
Retail energy charge in ERCOT
Retail Energy Charge In ERCOT [Member]
Retail Energy Charge in ERCOT
Environmental protection agency, number of potential unit
Environmental Protection Agency, Number Of Potential Unit
Environmental Protection Agency, Number Of Potential Unit
Cash flows — financing activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Property, plant, and equipment — net
Property, plant, and equipment — net
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets and Liabilities by Major Class [Table]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Table]
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Table]
ITC
ITC [Member]
ITC
Financial Instruments [Domain]
Financial Instruments [Domain]
Support Administrative Settlement Agreement and Order on Consent
Support Administrative Settlement Agreement And Order On Consent [Member]
Support Administrative Settlement Agreement And Order On Consent
Derivative asset
Assets
Derivative Asset
Oak Hill
Oak Hill [Member]
Oak Hill
Finite-Lived Intangible Assets and Liabilities by Major Class [Axis]
Intangible Asset, Finite-Lived, Class [Axis]
Increase for bad debt expense
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Goodwill and Identifiable Intangible Assets and Liabilities
Intangible Asset and Goodwill [Text Block]
Underlying Securities
Award Underlying Securities Amount
Total
Fair Value
Estimate of Fair Value Measurement [Member]
Revenue
Revenue from Contract with Customer [Text Block]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
NDTs
Decommissioning Fund Investments, Fair Value
Income Tax Jurisdiction, Domestic State and Local
Income Tax Jurisdiction, Domestic State and Local [Member]
Preferred Stock
Preferred Stock [Member]
Other, net
Payment for (Proceeds from) Other Investing Activity
Principal payment on forward repurchase obligation
Redeemable noncontrolling interest, principal payment
Redeemable Noncontrolling Interest, Principal Payment
Redeemable Noncontrolling Interest, Principal Payment
Coleto Creek
Coleto Creek Power Station [Member]
Coleto Creek Power Station [Member]
Segment Reporting [Table]
Segment Reporting [Table]
BCOP Credit Facility
BCOP Credit Facilities Tax Credit Bridge Loan [Member]
BCOP Credit Facilities Tax Credit Bridge Loan
Derivative, number of instruments held
Derivative, Number of Instruments Held
Retail Reporting Unit
Retail Reporting Unit [Member]
Retail Reporting Unit [Member]
Hedging revenues — unrealized
Hedging And Other Revenues [Member]
Hedging and Other Revenues [Member]
Vistra Zero Credit Facility, Term Loan B Facility due April 30, 2031
Vistra Zero Credit Facility [Member]
Vistra Zero Credit Facility
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
All Trading Arrangements
All Trading Arrangements [Member]
Other Performance Measure, Amount
Other Performance Measure, Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Amortization of intangible assets and liabilities
Amortization of Intangible Assets And Liabilities
The aggregate expense (revenue) recorded to earnings to allocate the cost (benefit) of intangible assets and liabilities (nonphysical assets or liabilities not used in production) in a systematic and rational manner to the periods expected to be impacted by such assets and liabilities. As a noncash expense (revenue), this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
Cash payments related to:
Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract]
Current Fiscal Year End Date
Current Fiscal Year End Date
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Derivative [Line Items]
Derivative [Line Items]
Derivative asset, fair value, net
Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Common stock, dividends, per share, declared (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Entity File Number
Entity File Number
6.875% Senior Notes, due April 15, 2032
6.875% Senior Notes due 2032 [Member]
6.875% Senior Notes due 2032
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Amortization of nuclear fuel
Amortization of Nuclear Fuel
Preferred stock, dividends per share, declared (in dollars per share)
Preferred Stock, Dividends Per Share, Declared
Measure:
Measure [Axis]
Equity Method Investment
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Forward Repurchase Obligation
Forward Repurchase Obligation [Member]
Repurchase Obligation
Amortization of debt issuance costs, discounts, and premiums
Amortization of Debt Discount (Premium)
Assets held for sale
Asset, Held-for-Sale, Not Part of Disposal Group
Accounts receivable financing
Accounts receivable financing
Accounts Receivable Securitization Program, Amounts Borrowed
Accounts Receivable Securitization Program, Amounts Borrowed
Treasury stock, common shares (in shares)
Treasury Stock, Common, Shares
Asset retirement obligations
Noncurrent liability at end of period
Asset Retirement Obligations, Noncurrent
Schedule of Planned Retirements of Generation Capacity
Planned Retirements Of Generation Capacity [Table Text Block]
Planned Retirements Of Generation Capacity [Table Text Block]
Redeemable noncontrolling interest, interest payment
Redeemable Noncontrolling Interest, Interest Payment
Redeemable Noncontrolling Interest, Interest Payment
Equity Components [Axis]
Equity Components [Axis]
Operating costs
Operating costs
Other Cost and Expense, Operating
Forward repurchase obligation
Debt Instrument, Repurchase Amount
Transfers into Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3
Schedule of Credit Derivatives [Table]
Credit Derivative [Table]
Entity Interactive Data Current
Entity Interactive Data Current
Line of credit facility, potential borrowing capacity, subject to ability to obtain additional commitments
Line Of Credit Facility, Potential Borrowing Capacity, Subject To Ability To Obtain Additional Commitments
Line of Credit Facility, Potential Borrowing Capacity, Subject to Ability to Obtain Additional Commitments
Entity Small Business
Entity Small Business
Vistra Operations Commodity-Linked Facility
Senior Secured Commodity-Linked Revolving Credit Facility [Member]
Senior Secured Commodity-Linked Revolving Credit Facility
Redeemable noncontrolling interest, to be paid
Redeemable Noncontrolling Interest, To Be Paid, Year One
Redeemable Noncontrolling Interest, To Be Paid, Year One
Property, Plant, and Equipment [Line Items]
Property, Plant, and Equipment [Line Items]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Other noncurrent assets
Other Assets, Noncurrent
Document Type
Document Type
Lotus acquisition purchase price adjustment
Payments to Acquire Businesses, Net of Cash Acquired
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Redemption [Line Items]
Debt Instrument, Redemption [Line Items]
Debt extinguishment loss
Gain (Loss) on Extinguishment of Debt
Illinois Environmental Protection Agency
Illinois Environmental Protection Agency [Member]
Illinois Environmental Protection Agency [Member]
Line of credit facility, borrowing base capacity limit
Line of Credit Facility, Borrowing Base Capacity Limit
Line of Credit Facility, Borrowing Base Capacity Limit
Statement of Stockholders' Equity [Abstract]
Local Phone Number
Local Phone Number
Schedule of Pretax Effect on Net Income of Derivatives Not Under Hedge Accounting, Including Realized and Unrealized Effects
Schedule Of Pretax Effect On Net Income Of Derivatives Not Under Hedge Accounting, Including Realized And Unrealized Effects [Table Text Block]
Schedule of Pretax Effect on Net Income of Derivatives Not Under Hedge Accounting, Including Realized and Unrealized Effects [Table Text Block]
Letters of Credit
Financial Standby Letter of Credit [Member]
Commitments and Contingencies
Commitments and Contingencies
Illiquid delivery periods for hub power prices
Illiquid Delivery Periods For Hub Power Prices [Member]
Illiquid Delivery Periods For Hub Power Prices
Property, plant and equipment - gross
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
6.950% Senior Notes, due October 15, 2033
6.950% Senior Notes Due 2033 [Member]
6.950% Senior Notes Due 2033
2030
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table]
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table]
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Intersegment sales
Intersegment Sales [Member]
Intersegment Sales
Executive Category:
Executive Category [Axis]
Receivable Type [Axis]
Receivable Type [Axis]
Equipment Financing Agreements
Other Debt [Member]
Other Debt
LIABILITIES AND EQUITY
Liabilities and Equity [Abstract]
Unsettled shares (in shares)
Treasury Stock Shares Acquired Accrued
Number of shares that have been accrued for repurchase during the period and are being held in treasury
Inventories — net
Inventory, Net
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Finite-Lived and Indefinite-Lived Intangible [Line Items]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Fuel oil
Fuel oil, Derivative [Member]
Fuel oil, Derivative [Member]
Greenhouse gas emissions, final rule, number of states filing petitions challenging final rule
Greenhouse Gas Emissions, Final Rule, Number of States Filing Petitions Challenging Final Rule
Greenhouse Gas Emissions, Final Rule, Number of States Filing Petitions Challenging Final Rule
Supplemental Cash Flow Information:
Supplemental Cash Flow Information [Abstract]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
PEO Name
PEO Name
Income taxes paid
Income Tax Paid, before Refund Received
Other
Segment Reporting, Other Segment Item, Amount
Property, Plant and Equipment, Type [Axis]
Long-Lived Asset, Class [Axis]
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Entity Tax Identification Number
Entity Tax Identification Number
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Business combination, additional consideration transferred, net
Business Combination, Additional Consideration Transferred, Net
Business Combination, Additional Consideration Transferred, Net
Less accumulated amortization of nuclear fuel
Property, Plant, And Equipment, Accumulated Amortization
Property, Plant, And Equipment, Accumulated Amortization
Cumulative dividends attributable to preferred stock
Less cumulative dividends attributable to preferred stock
Preferred Stock Dividends, Income Statement Impact
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Trade accounts receivables, inventories, prepaid expenses, and other current assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Trade Accounts Receivables, Inventories, Prepaid Expenses And Other Current Assets
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Trade Accounts Receivables, Inventories, Prepaid Expenses And Other Current Assets
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
August 2022
Incremental Share Repurchase Program Approved By The Board Of Directors In August 2022 [Member]
Incremental Share Repurchase Program Approved by the Board of Directors In August 2022
Number of other companies
Number Of Other Companies
Number Of Other Companies
Support Retail Electric Provider's financial requirements with the Public Utility Commission of Texas
Support Retail Electric Provider's financial requirements with the Public Utility Commission of Texas [Member]
Support Retail Electric Provider's 's financial requirements with the Public Utility Commission of Texas [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Derivative interest rate swap settled and terminated
Derivative Interest Rate Swap Settled And Terminated
Derivative Interest Rate Swap Settled And Terminated
Other noncurrent liabilities and deferred credits
Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
5.350% Senior Notes, due January 31, 2036
5.350% Senior Notes Due 2036 [Member]
5.350% Senior Notes Due 2036
Preferred stock, dividend rate, first reset date and thereafter, rate floor, percentage
Preferred Stock, Dividend Rate, First Reset Date And Thereafter, Rate Floor, Percentage
Preferred Stock, Dividend Rate, First Reset Date and Thereafter, Rate Floor, Percentage
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Number of megawatts
Number Of Mega Watts
Number Of Mega Watts
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Basic (in dollars per share)
Earnings Per Share, Basic
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Total current assets
Assets, Current
Insider Trading Arrangements [Line Items]
Debt issuance costs
Payments of Financing Costs
Trade accounts receivable — net
Trade accounts receivable — net
Accounts Receivable, after Allowance for Credit Loss, Current
5.625% Senior Notes, due February 15, 2027
5.625% Senior Notes Due 2027 [Member]
5.625% Senior Notes Due 2027 [Member]
Commodity Contracts
Commodity Contracts
Commodity Contract [Member]
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Trade accounts payable and other current liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Trade Accounts Payable And Other Current Liabilities
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Trade Accounts Payable And Other Current Liabilities
Cover page.
Cover [Abstract]
Insurance [Abstract]
Letters of Credit Outstanding
Line Of Credit Facility, Letters Of Credit Outstanding
Amount of letters of credit outstanding under line of credit financing arrangement.
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Accounts receivable securitization program, gross trade accounts receivable held by special purpose subsidiary
Accounts Receivable Securitization Program, Gross Trade Accounts Receivable Held By Special Purpose Subsidiary
Accounts Receivable Securitization Program, Gross Trade Accounts Receivable Held By Special Purpose Subsidiary
Scott Hudson [Member]
Scott Hudson
Trade accounts receivable from contracts with customers — net
Trade Accounts Receivable From Contracts With Customers [Member]
Trade Accounts Receivable from Contracts with Customers [Member]
Insurance proceeds received
Insurance Proceeds Received
Insurance Proceeds Received
Interest income
Interest Income, Other
Largest net exposure to single counterparty
Credit Derivative, Largest Net Exposure To Single Counterparty
Credit Derivative, Largest Net Exposure To Single Counterparty
Schedules of Credit Risk-Related Contingent Features of Derivatives
Credit Risk-Related Contingent Features Of Derivatives [Table Text Block]
[Table Text Block] for Credit Risk-Related Contingent Features of Derivatives [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Income Tax Authority [Domain]
Income Tax Jurisdiction [Domain]
Total other long-term debt
Other Long-Term Debt
Other income (deductions), net
Total other income (deductions), net
Other Nonoperating Income (Expense)
Debt, Credit Facilities, and Financings
Long-Term Debt [Text Block]
Financial Covenant One
Financial Covenant One [Member]
Financial Covenant One
Total Stockholders' Equity
Parent [Member]
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Regulatory liabilities
Regulatory Liability
Moss Landing Battery Energy Storage System Phase III
Moss Landing Battery Energy Storage System Phase III [Member]
Moss Landing Battery Energy Storage System Phase III
Net Capacity (MW)
Electric Generation Facility Capacity Announced Retirement
Electric Generation Facility Capacity Announced Retirement
Long-term debt, including amounts due currently
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, long term debt
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Long-Term Debt
Battery energy storage system capacity
Battery Energy Storage System Capacity
Battery Energy Storage System Capacity (in megawatts)
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Assets measured at net asset value
Assets, Measured at Net Asset Value
Assets, Measured at Net Asset Value
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Commodity and other derivative contractual liabilities
Derivative And Hedge Liabilities Noncurrent
Carrying amount as of the balance sheet date of the liabilities arising from derivative contracts and hedging activities, which are expected to be converted into cash or otherwise disposed of after a year or beyond the normal operating cycle, if longer.
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Income Tax Authority [Axis]
Income Tax Jurisdiction [Axis]
Intersegment sales — unrealized
Intersegment Sales Unrealized [Member]
Intersegment Sales Unrealized
Income Taxes
Income Tax Disclosure [Text Block]
Trade accounts payable
Accounts Payable, Current
Other, net
Other Noncash Income (Expense)
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Total purchase price
Business Combination, Consideration Transferred
Power and natural gas volatility
Power And Natural Gas Volatility [Member]
Power And Natural Gas Volatility
Entity Filer Category
Entity Filer Category
Debt instrument, interest rate during period
Debt Instrument, Interest Rate During Period
Miscellaneous Credit Support Requirements
Miscellaneous credit support requirements [Member]
Miscellaneous credit support requirements [Member]
Equity Method Investments and Joint Ventures [Abstract]
Schedule of Stock by Class [Table]
Stock, Class of Stock [Table]
Net income
Net income (loss)
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Business combination, price per share (in dollars per share)
Business Combination, Price Per Share
Schedule of Interest Expense and Related Charges
Schedule of Interest Expense and Related Charges [Table Text Block]
Schedule of Interest Expense and Related Charges [Table Text Block]
Current assets:
Assets, Current [Abstract]
Insurance recoveries
Insurance Recoveries
Derivative liabilities
Liabilities
Derivative Liability
Revenues
Business Combination, Pro Forma Information, Pro Forma Revenue
Capacity revenue from ISO/RTO
Capacity Revenue [Member]
Capacity Revenue
Senior Notes
Senior Notes [Member]
Entity Address, Address Line One
Entity Address, Address Line One
Income tax (expense) benefit
Income tax (expense) benefit
Income Tax Expense (Benefit)
Term Loan B-3 Facility
Senior Secured Term Loan B-3 Facility [Member]
Senior Secured Term Loan B-3 Facility
Total identifiable intangible liabilities
Finite-Lived Intangible Liabilities, Net
Amount after amortization of liabilities, excluding financial liabilities, lacking physical substance with a finite life.
Comprehensive Income (Loss)
Comprehensive Income, Policy [Policy Text Block]
Consolidation
Consolidation, Policy [Policy Text Block]
Asset retirement obligation accretion expense
Accretion Expense
Statement [Table]
Statement [Table]
Schedule of Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]
Letter of Credit by Coverage Type [Axis]
Letter of Credit by Coverage Type [Axis]
Letter of Credit by Coverage Type [Axis]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative assets, far value, gross asset
Derivative Asset, Subject to Master Netting Arrangement, before Offset
ERCOT (Texas)
ERCOT (Texas) [Member]
ERCOT (Texas)
Issuances
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Issues
Borrowings under Commodity-Linked Facility
Proceeds from Short-Term Debt
4.700% Senior Notes, due January 31, 2031
4.700% Senior Notes Due 2031 [Member]
4.700% Senior Notes Due 2031
Net liability balance at beginning of period
Net liability balance at end of period
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs
Amount of potential direct obligation under guarantee
Method Of Determining Amount Of Potential Direct Obligation Under Guarantee
Method Of Determining Amount Of Potential Direct Obligation Under Guarantee
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]