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Cover [Abstract] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash Net Change in Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Cash received from notes receivable — affiliate Proceeds from Collection of Notes Receivable Condensed Financial Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Trading Symbol Trading Symbol Economic Interest Equity Method Investment, Ownership Percentage Cash Asset Acquisition, Cash Asset Acquisition, Cash Comprehensive (Loss) Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Long-term debt Long-Term Debt and Lease Obligation Derivative assets Derivative assets, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Non-NEOs Non-NEOs [Member] CVSR Holdco Notes, due 2037 CVSR Holdco due 2037 [Member] CVSR Holdco due 2037 [Member] Quarterly dividend, declared (in usd per share) Common Stock, Dividends, Per Share, Declared Position [Axis] Position [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] 2026 Lessor, Operating Lease, Payment to be Received, Year Two 2029 Lessor, Operating Lease, Payment to be Received, Year Five Unrealized (loss) gain on derivatives, income tax expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Changes in derivative instruments and amortization of accumulated OCI/OCL Increase (Decrease) in Derivative Assets and Liabilities Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Rounding Adjustments Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Rounding Adjustments Operating Costs and Expenses Operating Costs and Expenses [Abstract] Inventory Inventory, Policy [Policy Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Fair value of Financial Instruments Fair Value Disclosures [Text Block] CVSR, due 2037 CVSR, due 2037 [Member] CVSR, due 2037 [Member] Award Timing Disclosures [Line Items] Statement of Stockholders' Equity Schedule of Capitalization, Equity [Line Items] Investment, Name [Domain] Investment, Name [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Rosamond Central Rosamond Central [Member] Rosamond Central Asset acquisition, power purchase agreement, period Asset Acquisition, Power Purchase Agreement, Period Represents the period of power purchase agreement TSN1 Class B Member LLC, Due 2029 TSN1 Class B Member LLC, Due 2029 [Member] TSN1 Class B Member LLC, Due 2029 Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Capital expenditures Capital Expenditures Represents amount of total Capital expenditures including accruals pertaining to repowering of entity's projects, major maintenance and meeting environmental commitments. 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Due 2025 [Member] Dan’s Mountain, Due 2025 Position [Domain] Position [Domain] City Area Code City Area Code Current Liabilities Liabilities, Current [Abstract] Auditor Location Auditor Location ATM Programs ATM Programs [Member] ATM Programs Daggett 3 Drop Down Daggett 3 Daggett 3 Drop Down [Member] Daggett 3 Drop Down Dan’s Mountain Parent Holdco LLC Dan’s Mountain Parent Holdco LLC [Member] Dan’s Mountain Parent Holdco LLC Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Facilities and equipment Support Equipment and Facilities [Member] Preferred Stock Preferred Stock [Member] Total long-term debt Long-Term Debt, Excluding Current Maturities Carrying value basis difference Asset Acquisition Carrying Value Basis Difference Asset Acquisition Carrying 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Class A and Class C Common Stockholders Earnings Per Share [Abstract] Equity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Long Long [Member] Class of Stock [Domain] Class of Stock [Domain] Income expected to be realized from OCI during the next 12 months, net of income tax expense of $1 Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Related Party Transaction Related Party Transaction [Line Items] Alternative Energy Alternative Energy [Member] Schedule of Long-term Debt Schedule of Debt [Table Text Block] General and administrative General and Administrative Expense 2026 Long-Term Debt, Maturity, Year Two Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Total lease liability - operating leases Long-term lease liabilities Operating Lease, Liability Underlying Securities Award Underlying Securities Amount Other Other Consolidated Variable Interest Entities [Member] Other Consolidated Variable Interest Entities [Member] Amendment Flag Amendment Flag Carlsbad Energy Holdings LLC, due 2027 Carlsbad Energy Holdings LLC, due 2027 [Member] Carlsbad Energy Holdings LLC, due 2027 Carrying Amount Reported Value Measurement [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Purpose [Axis] Purpose [Axis] Purpose [Axis] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member] Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member] 2028 Senior Notes 4.75% Senior Notes due 2028 [Member] 4.75% Senior Notes due 2028 [Member] Property, Plant and Equipment, Additions, Net Property, Plant and Equipment, Additions, Net Property, Plant and Equipment, Additions, Net Sale of stock, number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Less net debt issuance costs Net debt issuance costs Debt Issuance Costs, Net Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Schedule Of Asset Acquisition Schedule Of Asset Acquisition [Table Text Block] Schedule Of Asset Acquisition CEG CEG [Member] CEG [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Tax Equity Investors Tax Equity Investors [Member] Tax Equity Investors [Member] Wildorado TE Holdco LLC Wildorado TE Holdco [Member] Wildorado TE Holdco Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Derivative instruments Derivative Liability, Noncurrent Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Power Generation Facilities by Type [Axis] Power Generation Facilities by Type [Axis] The types of power generation facilities included in the entity's total global generation portfolio. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Interest Rate Swap Interest Rate Swap [Member] Beginning balance Ending balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Tax-related distributions Noncontrolling Interest, Decrease from Special Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Special Distributions to Noncontrolling Interest Holders Other Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Percent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Construction Invoices Construction Invoices [Member] Construction Invoices Other Finite-Lived Intangible Assets, Period Increase (Decrease) Interest expense disallowance carryforward - Investment in Projects Deferred Tax Assets, Interest Expense Disallowed Carryforward - investments in Projects Deferred Tax Assets, Interest Expense Disallowed Carryforward - investments in Projects Other Payments for (Proceeds from) Other Investing Activities 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] Auditor Name Auditor Name Loss on debt extinguishment Loss on debt extinguishment Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt 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] Summary of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Spring Canyon TE Holdco LLC, Spring Canyon TE Holdco LLC, [Member] Spring Canyon TE Holdco LLC, Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Fair Value Measurement [Domain] Fair Value Measurement [Domain] Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Cash acquired from the acquisition of Drop Down Assets Cash Acquired from Acquisition Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility [Member] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility Schedule of Property, Plant, and Equipment Net Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block] Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block] Dan’s Mountain Dan’s Mountain [Member] Dan’s Mountain Derivatives Designated as Cash Flow Hedges: Designated as Hedging Instrument [Member] Net income attributable to Clearway Energy, Inc. Net Income (Loss) Available to Common Stockholders, Basic Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Stock, Class of Stock [Table] Stock, Class of Stock [Table] 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] Noncontrolling interests Asset Acquisition Noncontrolling Interests Asset Acquisition Noncontrolling Interests NIMH Solar, due 2031 and 2033 NIMH Solar, Due 2031 and 2033 [Member] NIMH Solar, Due 2031 and 2033 Total Assets Total Assets Total Assets Assets Capital expenditures Payments to Acquire Property, Plant, and Equipment Other non-current liabilities Other non-current liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and Contingencies Commitments and Contingencies Capistrano Portfolio Holdco Capistrano Portfolio Holdco LLC [Member] Capistrano Portfolio Holdco LLC Schedule of Reconciliation of the U.S. Federal Statutory Rate to the Company's Effective Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Termination Date Trading Arrangement Termination Date Daggett 3, due 2028 Daggett 3, due 2028 [Member] Daggett 3, due 2028 Nature of Business Business Description and Basis of Presentation [Text Block] Related Party Transaction [Table] Related Party Transaction [Table] Daggett Renewable Holdco LLC Daggett Renewable Holdco LLC [Member] Daggett Renewable Holdco LLC 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] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two 2025 Long-Term Debt, Maturity, Year One Administrative Services Agreements Administrative Services Agreement [Member] Administrative Services Agreement [Member] Due to related party Other Liabilities Derivatives Not Designated as Cash Flow Hedges: Not Designated as Hedging Instrument [Member] Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Net income attributable to Clearway Energy, Inc. Net income attributable to Clearway Energy, Inc. Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Schedule of Estimated Carrying Amounts and Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Third Party Investor Third Party Investor [Member] Third Party Investor [Member] Cash received from Clearway Energy LLC for tax-related distributions Proceeds from Affiliates, Tax Related Distributions Proceeds from Affiliates, Tax Related Distributions Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Schedule of Components of Leveraged Lease Investments Schedule of Components of Leveraged Lease Investments [Table Text Block] Entity File Number Entity File Number Consolidated Entities [Domain] Consolidated Entities [Domain] Non-controlling Interest Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One State taxes assessed at subsidiaries Effective Income Tax Rate Reconciliation, State Taxes Assessed at Subsidiary Effective Income Tax Rate Reconciliation, State Taxes Assessed at Subsidiary U.S. Federal Current Federal Tax Expense (Benefit) Common stock dividends and distributions to CEG Dividends, Common Stock Name Forgone Recovery, Individual Name Other non-current assets Asset Acquisition, Other Noncurrent Assets Asset Acquisition, Other Noncurrent Assets Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Underlying Asset Class [Axis] Underlying Asset Class [Axis] Common Class D Common Class D [Member] Common Class D [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Derivative asset/liability measurement input (in dollars per megawatt-hour or British thermal unit) Derivative Asset (Liability) Net, Measurement Input Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Global Infrastructure Management Global Infrastructure Management [Member] Global Infrastructure Management Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Adjustment to Compensation: Adjustment to Compensation [Axis] NIMH Solar NIMH Solar LLC [Member] NIMH Solar LLC Less: Net (loss) income attributable to noncontrolling interests and redeemable noncontrolling interests Less: Net (loss) income attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest HLBV impact Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Investment in projects Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Restricted cash Restricted Cash and Cash Equivalents Tax-related distributions Tax Related Distributions Tax Related Distributions Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Rosie Central BESS Rosie Central BESS [Member] Rosie Central BESS Related Party [Axis] Related and Nonrelated Parties [Axis] Weighted average number of shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Oahu Solar Oahu Solar Holdings LLC Debt [Member] Oahu Solar Holdings LLC Debt [Member] Total Stockholders’ Equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Amortization of financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts Name Awards Close in Time to MNPI Disclosures, Individual Name Construction in Progress Construction in Progress [Member] Revenue Benchmark Revenue Benchmark [Member] Interest Interest [Member] Details pertaining to interest rate swaps which are considered a derivative commodity. Entity Filer Category Entity Filer Category Schedule of Minimum Future Rent Payments Under the Operating Leases Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Derivative instruments Derivative Asset, Noncurrent Liabilities settled Asset Retirement Obligation, Liabilities Settled Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Measurement Input, Commodity Forward Price Measurement Input, Commodity Forward Price [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Schedule of Lease Information and Expense Lease, Cost [Table Text Block] Number of renewal options Lessee, Operating Lease, Number of Renewal Options Lessee, Operating Lease, Number of Renewal Options Accounts payable — affiliates Other Liabilities, Current Summary of Net Notional Volume Buy/(Sell) of NRG Yield's Open Derivative Transactions Broken Out by Commodity Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Segment Reporting Segment Reporting Information [Line Items] Revisions in estimated cash flows Asset Retirement Obligation, Revision of Estimate All Trading Arrangements All Trading Arrangements [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Carryforward balance Tax Credit Carryforward, Amount Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Derivative [Line Items] Derivative [Line Items] Income taxes paid, net of refunds received Income Taxes Paid, Net Accumulated depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation Common Class A Common Class A [Member] Equity investments in affiliates Investment Balance Investment Balance (a) Equity Method Investments Pay vs Performance Disclosure [Line Items] Redeemable noncontrolling interest in subsidiaries Redeemable Noncontrolling Interest, Equity, Carrying Amount Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Derivative [Table] Derivative [Table] Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Other Other Debt [Member] Represents other debt instruments not separately accounted disclosed. Changes in other working capital Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Performance Measure, Amount Other Performance Measure, Amount 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three Leases Lessee, Operating Leases [Text Block] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Carlsbad Holdco, LLC, due 2038 Carlsbad Holdco, due 2038 [Member] Carlsbad Holdco, due 2038 Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Operating lease cost - Fixed Operating Lease, Cost Change in deferred income taxes Increase (Decrease) in Income Taxes Long-term lease liabilities Long-term lease liability - operating leases Operating Lease, Liability, Noncurrent Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Non-current assets Assets, Noncurrent Drop Downs Removed related noncontrolling interest balance Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Borrego, due 2038 Borrego, due 2038 [Member] Borrego, due 2038 Restricted cash Asset Acquisition, Restricted Cash Asset Acquisition, Restricted Cash Entity Tax Identification Number Entity Tax Identification Number Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Buyout of redeemable noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Redeemable Noncontrolling Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Redeemable Noncontrolling Interests Fair value of gross derivative assets/(liabilities), net Fair Value of Gross Derivative Assets/(Liabilities), Net Fair value of gross derivative assets less fair value of gross derivative liabilities. Summary of Swaps Related to the Company's Project Level Debt Schedule of Derivative Instruments [Table Text Block] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Other Cost and Expense, Operating Taxes receivable Income Taxes Receivable Equity Components [Axis] Equity Components [Axis] Other current assets Other Assets, Current Energy-related commodity contracts current Commodity Contract Current [Member] Commodity Contract Current Accounts Receivable — Trade and Allowance for Credit Losses Accounts Receivable [Policy Text Block] Buyouts of noncontrolling interest and redeemable noncontrolling interest Payments of Capital Distribution Additional payments for asset acquisition Additional Payments for Asset Acquisition Additional Payments for Asset Acquisition Total operating costs and expenses Total operating costs and expenses Costs and Expenses Daggett 2, due 2028 Daggett 2, due 2028 [Member] Daggett 2, due 2028 Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Receivable [Domain] Receivable [Domain] Non-cash financing activity: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Geographical [Axis] Geographical [Axis] Asset acquisition, issuance cost Asset Acquisition, Issuance Cost Asset Acquisition, Issuance Cost Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net 2029 Lessee, Operating Lease, Liability, to be Paid, Year Five Gain on sale of business Gain on sale of business Gain (Loss) on Disposition of Business Weighted Average Weighted Average [Member] 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] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Black Rock Drop Down Black Rock Drop Down [Member] Black Rock Drop Down Cash, Cash Equivalents and Restricted Cash at Beginning of Period Cash, Cash Equivalents and Restricted Cash at End of Period Cash, cash equivalents and restricted cash shown in the consolidated statements of cash flows Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Capistrano Portfolio Holdco LLC, Due 2033 Capistrano Portfolio Holdco LLC, Due 2033 [Member] Capistrano Portfolio Holdco LLC, Due 2033 Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Current Assets Assets, Current [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Carlsbad Energy Holdings Carlsbad Energy Holdings [Member] Carlsbad Energy Holdings Natural Gas Natural Gas [Member] Victory Pass and Arica Drop Down Victory Pass and Arica Drop Down [Member] Victory Pass and Arica Drop Down Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Security Exchange Name Security Exchange Name Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Related Party Transaction [Domain] Related Party Transaction [Domain] Distributions to CEG, net of contributions, cash Noncontrolling Interest, Increase (Decrease) from Sale of Parent Equity Interest Noncontrolling Interest, Increase (Decrease) from Sale of Parent Equity Interest Asset Impairments Asset Impairment Charges [Text Block] State Current State and Local Tax Expense (Benefit) Property, plant and equipment Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Dan’s Mountain TargetCo LLC Dan’s Mountain TargetCo LLC [Member] Dan’s Mountain TargetCo LLC Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Generational Facilities and District Energy Systems Generational Facilities and District Energy Systems [Member] Generational Facilities and District Energy Systems Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued Entity [Domain] Entity [Domain] Acquisition of Drop Down Assets, net of cash acquired Acquisition of Drop Down Assets, net of cash acquired Payment to Acquire Assets, Net of Cash Acquired Payment to Acquire Assets, Net of Cash Acquired Alta Wind I-V lease financing arrangements, due 2034 and 2035 Alta Wind I-V, lease financing arrangement, due 2034 and 2035 [Member] Alta Wind I-V, lease financing arrangement, due 2034 and 2035 [Member] Percentage of total operating revenue and assets Concentration Risk, Percentage Bridge credit agreement, borrowing amount Line of Credit Facility, Maximum Borrowing Capacity Production tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount Derivative liability Derivative Liabilities, Net Amount Derivative Liability Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Sponsor Equity Loan Sponsor Equity Loan [Member] Sponsor Equity Loan Thermal Thermal [Member] Represents Thermal segment of the entity. Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Power generation capacity, megawatts (over) Power Generation Capacity, Megawatts Power Generation Capacity, Megawatts Common stock, shares authorized (in shares) Common Stock, Shares Authorized Investment tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Schedule of Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Entity Voluntary Filers Entity Voluntary Filers Related Party Related Party [Member] Renewal period Lessee, Operating Lease, Renewal Term Hedging Designation [Domain] Hedging Designation [Domain] Interest expense Interest expense Interest Expense, Nonoperating Total — deferred Deferred Income Tax Expense (Benefit) Interest rate contracts current Interest Rate Contract Current [Member] The current portion of a derivative instrument whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate. Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Debt, Current Debt, Current Fair Value, Recurring Fair Value, Recurring [Member] Proceeds from debt Proceeds from Other Debt Accounts receivable — trade Accounts Receivable, after Allowance for Credit Loss, Current Development costs Oil and Gas, Cost Incurred, Development Cost Impairment losses Asset Impairment Charges Long-term debt Total Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Thereafter Long-Term Debt, Maturity, after Year Five 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] Other Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount Audit Information [Abstract] Audit Information [Abstract] Acquisitions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Rosamond Central Solar Project Rosamond Central Solar Project [Member] Rosamond Central Solar Project Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Tax Equity Arrangements Tax Equity Arrangements, Policy [Policy Text Block] Tax Equity Arrangements, Policy [Policy Text Block] Contingent lease revenue recognized Power Purchase Agreement, Contingent Lease Revenue Recognized Power Purchase Agreement, Contingent Lease Revenue Recognized Gen Conn Gen Conn Energy LLC [Member] Represents the information pertaining to GenConn Energy LLC. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Investment in consolidated subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Document Annual Report Document Annual Report Notional amount, energy measure Derivative, Nonmonetary Notional Amount, Energy Measure Victory Pass and Arica, due 2024 Victory Pass and Arica, due 2024 [Member] Victory Pass and Arica, due 2024 Amortization expense Amortization of Intangible Assets Rosie Class B LLC, due 2029 Rosie Class B LLC, Due 2029 [Member] Rosie Class B LLC, Due 2029 SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Liabilities [Abstract] Liabilities [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Operating Revenues Revenues [Abstract] Other Acquisitions Other Acquisitions [Member] Other Acquisitions Current Fiscal Year End Date Current Fiscal Year End Date Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount PEO Name PEO Name Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] All Award Types Award Type [Domain] 2025 Lessor, Operating Lease, Payment to be Received, Year One Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Non-PEO NEO Non-PEO NEO [Member] South Trent South Trent [Member] South Trent [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Class of Stock Class of Stock [Line Items] Recently Adopted Accounting Standards and Recent Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Production tax credits Deferred Tax Assets, Derivative Instruments Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Less accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Reduction in carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Net investment costs Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired State income taxes, net of refunds received Income Tax Paid, Federal, after Refund Received Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Impairment losses Tangible Asset Impairment Charges Payments to fund project reserve accounts Payments to Fund Project Reserve Accounts Payments to Fund Project Reserve Accounts Schedule of Fair Value, Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of Revenue by Major Customers by Reporting Segments Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Schedule of Earnings Per Share, Basic Schedule of Earnings Per Share, Basic [Table Text Block] Schedule of Earnings Per Share, Basic Total losses for the period included in earnings Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Cash Equity Investor Cash Equity Investor [Member] Cash Equity Investor Interest rate % Debt Instrument, Interest Rate, Stated Percentage Decrease (increase) in note receivable — affiliate Payments for (Proceeds from) Loans Receivable Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Cedar Creek Wind Holdco LLC Cedar Creek Wind Holdco LLC [Member] Cedar Creek Wind Holdco LLC Supplemental Disclosures: Supplemental Cash Flow Information [Abstract] Capitalization, Equity [Table] Capitalization, Equity [Table] 2031 Senior Notes Senior Notes, 3 Point 750 Percent, Due 2031 [Member] Senior Notes, 3 Point 750 Percent, Due 2031 Schedule of Derivative Gains and Losses Derivative Instruments, Gain (Loss) [Table Text Block] Total other expense, net Nonoperating Income (Expense) Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Interest costs capitalized Interest Costs Capitalized SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Auditor Firm ID Auditor Firm ID Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Operating income Operating income Operating Income (Loss) Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Total Liabilities and Stockholders’ Equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Buckthorn Solar Buckthorn Solar [Member] Buckthorn Solar [Member] Hedging Designation [Axis] Hedging Designation [Axis] Derivative instruments Derivative Liability, Current Lighthouse Renewable Holdco 2 LLC Lighthouse Renewable Holdco 2 LLC [Member] Lighthouse Renewable Holdco 2 LLC Accounting for Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Payments for other fees Payments for Other Fees Schedule of Annual Payments Based on the Maturities of NRG Yield's Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Long-term debt Asset Acquisition, Long-term Debt Asset Acquisition, Long-term Debt Underlying Security Market Price Change Underlying Security Market Price Change, Percent Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Measurement Input Type [Axis] Measurement Input Type [Axis] Individual: Individual [Axis] Renewables Renewables [Member] Renewables [Member] DGPV Funds DGPV Funds [Member] DGPV Funds Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] Inventory Inventory, Net Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Desert Sunlight Desert Sunlight [Member] Desert Sunlight [Member] Sponsor Equity Bridge Loan Sponsor Equity Bridge Loan [Member] Sponsor Equity Bridge Loan Viento Funding II, LLC, due 2029 Viento Funding II, LLC, due 2029 [Member] Viento Funding II, LLC, due 2029 Other revenues Products And Services, Other [Member] Products And Services, Other [Member] TSN1 TE Holdco LLC TSN1 TE Holdco LLC [Member] TSN1 TE Holdco LLC Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Fixed Interest Rate Derivative, Fixed Interest Rate Minimum Low Minimum [Member] Adoption Date Trading Arrangement Adoption Date Related Party Transactions [Abstract] Related Party Transactions [Abstract] Segments [Axis] Segments [Axis] 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] Tax at 21% Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Derivative Instrument [Axis] Derivative Instrument [Axis] Note receivable — affiliate Financing Receivable, after Allowance for Credit Loss, Current Long-term debt Long-Term Debt, Gross Return of investments from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Exercise Price Award Exercise Price Cash Equity Bridge Loan Cash Equity Bridge Loan [Member] Cash Equity Bridge Loan Schedule of Company's Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Asset Acquisition [Table] Asset Acquisition [Table] Expiration Finite Lived Intangible Assets Expiration Finite Lived Intangible Assets Expiration Arrangement Duration Trading Arrangement Duration Summary of Effects of NRG Yield's Accumulated OCI Balance Attributable to Interest Rate Swaps Designated as Cash Flow Hedge Derivatives, Net of Tax Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Stockholders’ Equity Equity, Attributable to Parent [Abstract] Percent of derivative liabilities using level 3 fair value inputs Percent of Derivative Liabilities Using Level 3 Fair Value Inputs Percent of Derivative Liabilities Using Level 3 Fair Value Inputs Mililani Class B Member Holdco LLC, due 2028 Mililani Class B Holdco, Due 2028 [Member] Mililani Class B Holdco, Due 2028 Daggett 2 Drop Down Daggett 2 Daggett 2 Drop Down [Member] Daggett 2 Drop Down Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt instrument, term Debt Instrument, Term 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] Mililani I Mililani I Lease [Member] Mililani I Lease Avra Valley Avra Valley [Member] Avra Valley [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other income, net Other income, net Other Nonoperating Income (Expense) Cash Distribution Cash Distribution [Member] Weighted average contract duration (in years) Asset Acquisitions, Weighted Average Contract Duration Asset Acquisitions, Weighted Average Contract Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Rosie TargetCo LLC Rosie TargetCo LLC [Member] Rosie TargetCo LLC Carlsbad Energy Holdings LLC, due 2038 Carlsbad Holdco Notes, 2038 [Member] Carlsbad Holdco Notes, 2038 [Member] Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Schedule of Energy and Capacity Revenue Lessor Revenue [Table Text Block] Lessor Revenue [Table Text Block] Losses expected to be realized from OCL during the next 12 months, income tax benefit Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Tax The estimated tax impact of existing gains or losses on cash flow hedges, at the reporting date, which are expected to be reclassified to earnings within the next 12 months. Accrued interest expense Interest Payable Debt instrument, number of additional extension option Debt Instrument, Number of Additional Extension Option Debt Instrument, Number of Additional Extension Option Expenses from transactions with related party Operating Costs and Expenses Quarterly dividend, declared (in usd per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Paid, Per Unit Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Related Party [Domain] Related and Nonrelated Parties [Domain] Total other liabilities Non-current liabilities Liabilities, Noncurrent Add premiums Debt Instrument, Unamortized Premium PG&E PG&E [Member] PG&E [Member] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Deferred income taxes Deferred Income Tax Liabilities, Net Cedro Hill, due 2029 Cedro Hill Cedro Hill, due 2029 [Member] Cedro Hill, due 2029 Derivative assets Asset Acquisition, Derivative Assets Asset Acquisition, Derivative Assets Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Elkhorn Ridge Elkhorn Ridge [Member] Elkhorn Ridge Payment for equipment deposit and asset purchase from affiliate Payments to Acquire Assets from Affiliate Payments to Acquire Assets from Affiliate U.S. Federal Deferred Federal Income Tax Expense (Benefit) Net assets (liabilities) assumed Net assets (liabilities) assumed Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Measure: Measure [Axis] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Energy-related commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Entity Emerging Growth Company Entity Emerging Growth Company Commodity Contracts Energy-Related Commodity Contracts - Cost of Operation Commodity Option [Member] Cedro Hill TE Holdco LLC Cedro Hill TE Holdco LLC [Member] Cedro Hill TE Holdco LLC 2029 Long-Term Debt, Maturity, Year Five Short Short [Member] Cedar Creek Drop Down Cedar Creek Drop Down [Member] Cedar Creek Drop Down Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Flexible Generation Flexible Generation [Member] Flexible Generation Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Mark-to-market for economic hedges Less: Mark-to-market for economic hedges Revenue, Mark-to-market Hedging Activities Revenue, Mark-to-market Hedging Activities Power generation storage capacity, megawatts Power Generation Storage Capacity, Megawatts Power Generation Storage Capacity, Megawatts Equity Component [Domain] Equity Component [Domain] Par value - preferred stock (in usd per share) Preferred Stock, Par or Stated Value Per Share Class of Treasury Stock [Table] Class of Treasury Stock [Table] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Reclassified from accumulated OCI (OCL) to income due to realization of previously deferred amounts Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Net amount Derivative Asset, Fair Value, Amount Offset Against Collateral Net Of Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Asset, Fair Value, Amount Offset Against Collateral Net Of Derivative Liability, Fair Value, Amount Offset Against Collateral Retained earnings, undistributed earnings from equity method investees Retained Earnings, Undistributed Earnings from Equity Method Investees Statement [Table] Statement [Table] Alta Wind Asset Management AWAM [Member] AWAM [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Counterparty Name [Axis] Counterparty Name [Axis] 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] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Consolidation Items [Domain] Consolidation Items [Domain] Daggett 2 Daggett 2 Lease [Member] Daggett 2 Lease Finite-lived Intangible Assets [Roll Forward] Finite-Lived Intangible Assets [Roll Forward] Interest paid, net of amount capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Payments to acquire productive assets Payments to Acquire Productive Assets Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total current assets Current assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Lighthouse Renewable Holdco LLC Lighthouse Renewable Holdco LLC [Member] Lighthouse Renewable Holdco LLC Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Common stock dividends and distributions to CEG Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] Payment for equipment deposit Payments for Other Deposits 2027 Long-Term Debt, Maturity, Year Three Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Percent of financial instruments using level 3 fair value inputs Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Other Other Intangible Assets [Member] Income Taxes Income Tax Disclosure [Text Block] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Valuation Technique, Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Debt Issuance Costs Debt, Policy [Policy Text Block] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Alta Wind Asset Management LLC, due 2031 Alta Wind Asset Management LLC, Due 2031 [Member] Alta Wind Asset Management LLC, Due 2031 Net Cash Provided by Financing Activities Net Cash Provided by Financing Activities Net Cash Provided by (Used in) Financing Activities Schedule of Dividends Paid Schedule of Dividends Paid [Table Text Block] Tabular disclosure of all or some of the information related to dividends paid Credit Facility [Axis] Credit Facility [Axis] Fair value of long term debt Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Cash paid to acquire Drop Down Assets Payments to Acquire Businesses, Gross Lease receivable Sales-type Lease, Lease Receivable Long-Term Debt, Current Long Term Debt Current [Member] Long Term Debt Current [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Depreciation, amortization and accretion Depreciation, Depletion and Amortization State Deferred State and Local Income Tax Expense (Benefit) Fair Value as of Grant Date Award Grant Date Fair Value Affiliated Entity Affiliated Entity [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Geographical [Domain] Geographical [Domain] Contract amortization Less: Contract amortization Capitalized Contract Cost, Amortization Operating Funds Operating Funds [Member] Operating Funds [Member] Summary of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Class A, Class B, Class C and Class D common stock, $0.01 par value; 3,000,000,000 shares authorized (Class A 500,000,000, Class B 500,000,000, Class C 1,000,000,000, Class D 1,000,000,000); 202,147,579 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,833,226, Class D 41,961,750) at December 31, 2024 and 202,080,794 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,391,441, Class D 42,336,750) at December 31, 2023 Class A, Class B, Class C and Class D common stock, $0.01 par value; 3,000,000,000 shares authorized (Class A 500,000,000, Class B 500,000,000, Class C 1,000,000,000, Class D 1,000,000,000); 202,147,579 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,833,226, Class D 41,961,750) at December 31, 2024 and 202,080,794 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,391,441, Class D 42,336,750) at December 31, 2023 Common Stock, Value, Issued Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] Beginning Balance Ending Balance Asset Retirement Obligation Clearway Energy LLC Clearway Energy LLC [Member] Clearway Energy LLC [Member] Property, plant and equipment Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Investment tax credits Deferred Tax Assets, Other Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Land and improvements Land and Land Improvements [Member] Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued Avenal Avenal [Member] Avenal [Member] State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Income tax benefit threshold Income Taxes, Threshold Percentage The percentage that is likely to be realized upon settlement which is used as a basis of recording unrecognized tax benefits for income tax positions that have surpassed the more-likely-than-not threshold. Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Total deferred tax liabilities Deferred Tax Liabilities, Gross Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Earnings per weighted average common share - basic (in dollars per share) Earnings Per Share, Basic Cash paid for operating leases Operating Lease, Payments Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] NIMH Solar, due 2024 NIMH Solar, due 2024 [Member] NIMH Solar, due 2024 U.S. Federal net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Domestic Ownership [Domain] Ownership [Domain] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Total current liabilities Current liabilities Liabilities, Current Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Current assets, receivables Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset VP-Arica TargetCo LLC VP Arica TE Holdco LLC [Member] VP Arica TE Holdco LLC Asset Acquisitions Business Combinations Policy [Policy Text Block] Investments Accounted for by the Equity Method and Variable Interest Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Rosie Class B Rosie Class B LLC 2027 [Member] Rosie Class B LLC 2027 Broken Bow, due 2031 (d) Broken Bow Due 2031 [Member] Broken Bow Due 2031 Total operating revenues Operating revenues Revenues Purpose [Domain] Purpose [Domain] Purpose Assets, Total Assets, Total [Member] Right-of-use assets, net Asset Acquisition, Right-of-use asset Asset Acquisition, Right-of-use asset Entity Address, City or Town Entity Address, City or Town Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Sale-Leaseback Arrangements Lessee, Leases [Policy Text Block] Asset Retirement Obligations Asset Retirement Obligation [Policy Text Block] Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Underlying Asset Class [Domain] Underlying Asset Class [Domain] Capistrano Wind Portfolio Drop Down Capistrano Wind Portfolio Drop Down [Member] Capistrano Wind Portfolio Drop Down Business Acquisition [Axis] Business Acquisition [Axis] Summary of the Components of the Company's Intangible Assets Subject to Amortization Schedule of Finite-Lived Intangible Assets [Table Text Block] Impact of non-taxable partnership earnings (losses) Effective Income Tax Rate Reconciliation, Partnership State Basis Effective Income Tax Rate Reconciliation, Partnership State Basis 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] El Segundo, Marsh Landing and Walnut Creek Notes El Segundo, Marsh Landing and Walnut Creek Notes [Member] El Segundo, Marsh Landing and Walnut Creek Notes Unrealized (loss) gain on derivatives and changes in accumulated OCI/OCL, net of income tax (benefit) expense of $(1), $(1) and $5 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Document Fiscal Year Focus Document Fiscal Year Focus Fair value assets, measured on recurring basis, valuation techniques, impact of credit reserve to fair value Fair Value Assets, Measured on Recurring Basis, Valuation Techniques, Impact of Credit Reserve to Fair Value This element represents the increase (decrease) to fair value from applying a credit reserve to reflect credit risk on the valuation techniques used to measure fair value of Level 2 and 3 derivative contracts which is calculated based on credit default swaps. Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Accrued expenses and other current liabilities Other Accrued Liabilities, Current 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Contributions from noncontrolling interests, net of distributions Proceeds from Noncontrolling Interests Total lease payments Lessee, Operating Lease, Liability, to be Paid Leasehold Rights Leasehold Rights [Member] Leasehold Rights [Member] Long-term debt, additions Asset Acquisition, Long-term Debt, Additions Asset Acquisition, Long-term Debt, Additions Insider Trading Arrangements [Line Items] Total Segments Total Segments [Member] Total Segments 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Federal income taxes Income Tax Paid, State and Local, after Refund Received Company Structure Organizational Structure [Table Text Block] Org Structure [Table Text Block] Prepayments and other current assets Prepaid Expense and Other Assets, Current Document Transition Report Document Transition Report Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Customer [Domain] Customer [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Entity Current Reporting Status Entity Current Reporting Status (Accumulated Deficit) Retained Earnings Retained Earnings [Member] Remaining balance to distribute Asset Acquisition, Remaining Balance to Distribute Asset Acquisition, Remaining Balance to Distribute Cash received from Clearway Energy LLC for the payment of dividends Proceeds from Contributions from Affiliates Asset Acquisition [Domain] Asset Acquisition [Domain] Oahu Solar LLC Oahu Solar Partnership [Member] Oahu Solar Partnership [Member] Payments for asset acquisition Payments for Asset Acquisition Payments for Asset Acquisition Partial payment of long term debt Asset Acquisition, Partial Payment of Long Term Debt Asset Acquisition, Partial Payment of Long Term Debt Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Dan’s Mountain Drop Down Dan’s Mountain Drop Down [Member] Dan’s Mountain Drop Down Schedule of Income Tax Provision From Continuing Operations Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Construction in progress Asset Acquisition, Construction in Progress Asset Acquisition, Construction in Progress Net assets less noncontrolling interest Net Assets Letter of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name