Consolidated Entities [Axis] Consolidated Entities [Axis] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Variable Rate [Domain] Variable Rate [Domain] Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Statistical Measurement [Domain] Statistical Measurement [Domain] Cash used in changes in other working capital: Increase (Decrease) in Operating Capital [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Related Party Transaction Related Party Transaction [Line Items] All Award Types Award Type [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Investment, Name [Domain] Investment, Name [Domain] DG-CS Master Borrower LLC, due 2040 DG-CS Master Borrower LLC, Due 2040 [Member] DG-CS Master Borrower LLC, Due 2040 Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Cash paid to acquire Drop Down Assets Payments to Acquire Businesses, Gross Cash Asset Acquisition, Cash Asset Acquisition, Cash Revolving Credit Facility Revolving Credit Facility [Member] Derivative asset/liability measurement input Derivative Asset (Liability) Net, Measurement Input Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Deferred income taxes Deferred Income Tax Liabilities, Net MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] CVSR Holdco Notes, due 2037 CVSR Holdco due 2037 [Member] CVSR Holdco due 2037 [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable — trade Accounts Payable, Current Restatement Determination Date: Restatement Determination Date [Axis] Investment, Name [Axis] Investment, Name [Axis] Total other expense, net Nonoperating Income (Expense) Measurement Input, Commodity Forward Price Measurement Input, Commodity Forward Price [Member] Commitments and Contingencies Commitments and Contingencies Insider Trading Policies and Procedures [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Derivative instruments Derivative Asset, Current Conventional Generation Conventional Generation [Member] Conventional Generation [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Net 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 Other Other Debt [Member] Represents other debt instruments not separately accounted disclosed. Income Taxes Income Tax Disclosure [Text Block] Nature of Business Business Description and Basis of Presentation [Text Block] Ownership [Axis] Ownership [Axis] Current Liabilities Liabilities, Current [Abstract] Par value - preferred stock (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued Power purchase agreement period (in years) Asset Acquisition, Power Purchase Agreement, Period Represents the period of power purchase agreement Subsequent Event Type [Domain] Subsequent Event Type [Domain] TSN1 Class B Member LLC, due 2029 TSN1 Class B Member LLC, due 2029 [Member] TSN1 Class B Member LLC, due 2029 Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Loss per weighted average common share — diluted (in dollars per share) Loss per weighted average common share — diluted (in dollars per share) Earnings Per Share, Diluted Derivative Liabilities Derivative liabilities, gross Derivative Liability, Subject to Master Netting Arrangement, before Offset Earnings Per Share [Table] Earnings Per Share [Table] Earnings Per Share PEO Total Compensation Amount PEO Total Compensation Amount Schedule of Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] Cedar Creek TE Holdco LLC Cedar Creek TE Holdco LLC [Member] Cedar Creek TE Holdco LLC Accounts receivable — trade Accounts Receivable, after Allowance for Credit Loss, Current Receivable [Domain] Receivable [Domain] Nature of Business [Line Items] Basis of Presentation [Line Items] Basis of Presentation [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] 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. Other Assets Assets, Noncurrent [Abstract] Energy revenue Energy Revenue [Member] Energy Revenue [Member] Redeemable noncontrolling interest in subsidiaries Redeemable Noncontrolling Interest, Equity, Carrying Amount Trading Symbol Trading Symbol Letters of credit outstanding Letters of credit outstanding Letters of Credit Outstanding, Amount Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair value of long term debt Long-Term Debt, Fair Value Net Loss Attributable to Clearway Energy, Inc. Net loss attributable to Clearway Energy, Inc. Net Income (Loss) Cash acquired from the acquisition of Drop Down Assets Cash Acquired from Acquisition Total current liabilities Liabilities, Current Derivative Contract [Domain] Derivative Contract [Domain] 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] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Energy-related commodity contracts current Commodity Contract Current [Member] The current portion of a derivative instrument whose primary underlying risk is tied to commodity prices. Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Capacity revenue Capacity Revenue [Member] Capacity Revenue [Member] Cedro Hill, due 2024 and 2029 Cedro Hill [Member] Cedro Hill Interest rate contracts long-term Interest Rate Contract Non Current [Member] The noncurrent 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. LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Total (losses) gains for the period included in earnings Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Stockholders’ Equity Equity, Attributable to Parent [Abstract] Schedule of Earnings Per Share, Diluted Schedule of Earnings Per Share, Diluted [Table Text Block] Schedule of Earnings Per Share, Diluted Executive Category: Executive Category [Axis] Common Class B Common Class B [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Name Measure Name Name Forgone Recovery, Individual Name Carrying Amount Reported Value Measurement [Member] Schedule of Accumulated Amortization and Depreciation Property, Plant and Equipment [Table Text Block] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Cash Distribution Cash Distribution [Member] Agua Caliente Solar LLC, due 2037 Agua Caliente Solar LLC, Due 2037 [Member] Agua Caliente Solar LLC, Due 2037 Measurement Basis [Axis] Measurement Basis [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Underlying Securities Award Underlying Securities Amount Entity Small Business Entity Small Business Local Phone Number Local Phone Number Fair Value Measurement [Domain] Fair Value Measurement [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Letter of Credit Letter of Credit [Member] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Derivative, notional amount Derivative, Notional Amount Common stock, dividends, per share, declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Measurement Frequency [Axis] Measurement Frequency [Axis] Changes in deferred income taxes Increase (Decrease) in Income Taxes Long-term lease liabilities Operating Lease, Liability, Noncurrent Number of wholly owned subsidiaries Number of Wholly Owned Subsidiaries Number of Wholly Owned Subsidiaries Restricted cash Restricted cash, current Restricted Cash and Cash Equivalents, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount 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] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Payments of debt issuance costs Payments of Debt Issuance Costs Project Level Subsidiaries Project Level Subsidiaries [Member] Project Level Subsidiaries [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Payments for associated fees Payments for Other Fees Derivative instruments Derivative Asset Fair Value Gross Liability Net Of Derivative Liability Fair Value Gross Asset Derivative Asset Fair Value Gross Liability Net Of Derivative Liability Fair Value Gross Asset Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Amortization of intangibles Amortization of Intangibles and Out of Market Contracts The aggregate (income) expense recorded in earnings to allocate the cost of out-of-market contracts and intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash (income) expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Buckthorn Holdings, LLC Buckthorn Holdings, LLC [Member] Buckthorn Renewables, LLC [Member] Nature of Business [Table] Nature of Business [Table] Nature of Business [Table] Valuation Technique, Option Model Valuation Technique, Option Pricing Model [Member] Total operating revenues Operating revenues Revenues Schedule of Estimated Carrying Values and Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Rattlesnake TE Holdco LLC Rattlesnake TE Holdco LLC [Member] Rattlesnake TE Holdco LLC Product and Service [Domain] Product and Service [Domain] Other Performance Measure, Amount Other Performance Measure, Amount Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Cash Flows from Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Transaction and integration costs Business Combination, Acquisition Related Costs Award Type Award Type [Axis] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Contributions from CEG, net of distributions, cash Noncontrolling Interest, Increase from Sale of Parent Equity Interest Document Quarterly Report Document Quarterly Report Generational Facilities and District Energy Systems Generational Facilities and District Energy Systems [Member] Generational Facilities and District Energy Systems Interest expense Interest expense Interest Expense Common stock dividends and distributions to CEG unit holders Dividends, Common Stock Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Loss on debt extinguishment Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Hedging Designation [Axis] Hedging Designation [Axis] Non-cash adjustments for change in tax basis Adjustments to Additional Paid in Capital, Other Schedule of Dividends Declared Dividends Declared [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] 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] Use of Estimates Use of Estimates, Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity File Number Entity File Number Distribution made to limited liability (LLC) member, distributions declared, per unit (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit Power generation capacity, megawatts (over) Power Generation Capacity, Megawatts Power Generation Capacity, Megawatts Entity Shell Company Entity Shell Company Intangible assets Finite-Lived Intangible Assets, Net Restatement Determination Date Restatement Determination Date Schedule of Offsetting of Derivatives by Counterparty Master Agreement Level and Collateral Received or Paid Offsetting Liabilities [Table Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] 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 Intangible Assets Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Tax Equity Bridge Loan Tax Equity Bridge Loan [Member] Tax Equity Bridge Loan Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Paid, Per Unit Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Common stock issued (in shares) Common Stock, Shares, Issued Operating Costs and Expenses Operating Costs and Expenses [Abstract] 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. Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Alta Wind Realty Investments LLC, due 2031 Alta Wind Realty Investments LLC, Due 2031 [Member] Alta Wind Realty Investments LLC, Due 2031 Texas Solar Nova 2 Texas Solar Nova 2 [Member] Texas Solar Nova 2 Security Exchange Name Security Exchange Name Note receivable — affiliate Financing Receivable, after Allowance for Credit Loss, Current Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Employee Stock Option Employee Stock Option [Member] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Payments of dividends and distributions Payments of Ordinary Dividends Common Class A Common Class A [Member] Total operating costs and expenses Costs and Expenses High Maximum Maximum [Member] Comprehensive Loss Attributable to Clearway Energy, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Document Type Document Type Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Tabular List, Table Tabular List [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One GenConn Gen Conn Energy LLC [Member] Represents the information pertaining to GenConn Energy LLC. Receivable Type [Axis] Receivable Type [Axis] Derivative instruments Derivative Liability, Current Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Victory Pass and Arica, due 2024 Victory Pass and Arica, due 2024 [Member] Victory Pass and Arica, due 2024 Derivative nonmonetary notional amount (energy measure) Derivative, Nonmonetary Notional Amount, Energy Measure Subsequent Event Subsequent Event [Member] Accumulated OCL ending balance, income tax expense Accumulated Other Comprehensive Income (Loss), Cumulative Change in Gain (Loss) from Cash Flow Hedges, Tax Amount Accumulated Other Comprehensive Income (Loss), Cumulative Change in Gain (Loss) from Cash Flow Hedges, Tax Amount Accounts receivable, net - Leases Lease Agreements [Member] Derivative [Table] Derivative [Table] Accounts payable — affiliates Other Liabilities, Current Variable Rate [Axis] Variable Rate [Axis] Income Statement [Abstract] Income Statement [Abstract] Texas Solar Nova 2 Drop Down Texas Solar Nova 2 Drop Down [Member] Texas Solar Nova 2 Drop Down Changes in prepaid and accrued liabilities for tolling agreements Changes in Prepaid and Accrued Capacity Payments Changes in Prepaid and Accrued Capacity Payments Other Income (Expense) Costs and Expenses [Abstract] Title of 12(b) Security Title of 12(b) Security Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Related Party [Domain] Related Party, Type [Domain] Liabilities Derivative liability, Net Amount Derivative Liability Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] Operating Segments Operating Segments [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Class of Stock [Line Items] Class of Stock [Line Items] Other current and non-current liabilities Asset Acquisition, Liabilities, Other Current and Noncurrent Asset Acquisition, Liabilities, Other Current and Noncurrent Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Entity Tax Identification Number Entity Tax Identification Number Contributions from CEG, net of distributions, cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders, Cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders, Cash Equity investments in affiliates Investment Balance (a) Equity Method Investments Inventory Inventory, Net Contract amortization Less: Contract amortization Capitalized Contract Cost, Amortization Statistical Measurement [Axis] Statistical Measurement [Axis] VP-Arica TargetCo LLC VP-Arica TargetCo LLC [Member] VP-Arica TargetCo LLC Contributions from noncontrolling interests, net of distributions Proceeds from (Payments to) Noncontrolling Interests Financial Instrument [Axis] Financial Instrument [Axis] Accounts receivable, net - Contracts with customers Customer Contracts [Member] Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-term Debt Long-Term Debt [Text Block] Changes in derivative instruments and amortization of accumulated OCI Increase (Decrease) in Derivative Assets and Liabilities Total assets acquired Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired Total Shareholder Return Amount Total Shareholder Return Amount Long-term lease liabilities Asset Acquisition, Lease Liabilities, Noncurrent Asset Acquisition, Lease Liabilities, Noncurrent Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Acquisitions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Segment [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Payments to fund project reserve accounts Payments to Fund Project Reserve Accounts Payments to Fund Project Reserve Accounts Consolidation Items [Domain] Consolidation Items [Domain] Debt Service Obligations Debt Service Obligations [Member] Debt Service Obligations [Member] Cash and cash equivalents, held at project subsidiaries Other Cash Equivalents, at Carrying Value Retained earnings Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Name Outstanding Recovery, Individual Name Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition Statement of Stockholders' Equity Schedule of Capitalization, Equity [Line Items] Transfers of assets under common control Transfers of Assets under Common Control Transfers of Assets under Common Control Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current Assets Assets, Current [Abstract] Schedule of Earnings Per Share, Basic Schedule of Earnings Per Share, Basic [Table Text Block] Schedule of Earnings Per Share, Basic Cash Equity Investor Cash Equity Investor [Member] Cash Equity Investor Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Short Short [Member] Counterparty Name [Axis] Counterparty Name [Axis] Cedar Creek Wind Holdco LLC Cedar Creek Wind Holdco LLC [Member] Cedar Creek Wind Holdco LLC Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Percent of derivative assets using level 3 fair value inputs Percent of Derivative Assets Using Level 3 Fair Value Inputs Percent of Derivative Assets Using Level 3 Fair Value Inputs Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] 2031 Senior Notes Senior Notes, 3 Point 750 Percent, Due 2031 [Member] Senior Notes, 3 Point 750 Percent, Due 2031 Common stock outstanding (in shares) Common Stock, Shares, Outstanding Earnings Per Share [Line Items] Earnings Per Share [Line Items] Earnings Per Share Heat Rate Call Option Commodity Contracts Energy-Related Commodity Contracts - Cost of Operation Commodity Option [Member] PEO PEO [Member] Other Financial Instruments Solar Renewable Energy Credits And Other Financial Instruments [Member] Solar Renewable Energy Credits And Other Financial Instruments Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Other Stockholders' Equity, Other Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Other Cost and Expense, Operating AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Derivative Assets Derivative assets, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Call Option Call Option [Member] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Net Cash Used in Investing Activities Net Cash Provided by (Used in) Investing Activities Class of Stock [Domain] Class of Stock [Domain] Lighthouse Renewable Holdco 2 LLC Lighthouse Renewable Holdco 2 LLC [Member] Lighthouse Renewable Holdco 2 LLC Debt Instrument [Axis] Debt Instrument [Axis] Voting Interest (as a percentage) Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Voting Interest Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Voting Interest Derivative instruments Derivative Liability, Noncurrent Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Repayments of debt Repayments of Debt Measurement Input Type [Domain] Measurement Input Type [Domain] Long-term debt Asset Acquisition, Long-term Debt Asset Acquisition, Long-term Debt Unrealized loss on derivatives, income tax expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Total Liabilities Total liabilities Liabilities Renewables Renewables [Member] Renewables [Member] DGPV Funds DGPV Funds [Member] DGPV Funds Asset Acquisition [Axis] Asset Acquisition [Axis] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Measurement Frequency [Domain] Measurement Frequency [Domain] All Executive Categories All Executive Categories [Member] Desert Sunlight Desert Sunlight [Member] Desert Sunlight Other Liabilities Liabilities, Noncurrent [Abstract] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Other revenue Products And Services, Other [Member] Products And Services, Other [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] TSN1 TE Holdco LLC TSN1 TE Holdco LLC [Member] TSN1 TE Holdco LLC Related Party Transaction [Domain] Related Party Transaction [Domain] Loss Per Share Attributable to Clearway Energy, Inc. Class A and Class C Common Stockholders Earnings Per Share [Abstract] Viento Funding II, LLC, due 2029 Viento Funding II, LLC Due 2023 and 2029 [Member] Viento Funding II, LLC Due 2023 and 2029 Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] 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); 202,080,794 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 March 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 Affiliated Entity Affiliated Entity [Member] General and administrative General and administrative expense General and Administrative Expense Total liabilities assumed Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Reduction in carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Total current assets Assets, Current Preferred Stock Preferred Stock [Member] Other intangible assets, net Other Intangible Assets, Net Accrued interest expense Interest Payable Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss All Individuals All Individuals [Member] 2032 Senior Notes Senior Notes, 3 Point 750 Percent, Due 2032 [Member] Senior Notes, 3 Point 750 Percent, Due 2032 Other income, net Other income, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Due to related party Other Liabilities Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Long-term debt, including current portion Long-Term Debt and Lease Obligation, Including Current Maturities Cash Equity Bridge Loan Cash Equity Bridge Loan [Member] Cash Equity Bridge Loan 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] 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] PEO Name PEO Name RENOM RENOM [Member] RENOM [Member] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Mililani Class B Member Holdco LLC, due 2028 Mililani Class B Holdco, Due 2028 [Member] Mililani Class B Holdco, Due 2028 Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Class of Stock [Axis] Class of Stock [Axis] Investments Accounted for by the Equity Method and Variable Interest Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accrued expenses and other current liabilities Other Accrued Liabilities, Current Corporate Corporate, Non-Segment [Member] Oahu Solar Holdings LLC, due 2026 Oahu Solar Holdings LLC, due 2026 [Member] Oahu Solar Holdings LLC, due 2026 [Member] Changes in other working capital Increase (Decrease) in Other Operating Assets and Liabilities, Net Depreciation, amortization and accretion Depreciation, Depletion and Amortization Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest rate, percentage Debt Instrument, Interest Rate, Stated Percentage Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Rosie TargetCo LLC Rosie TargetCo LLC [Member] Rosie TargetCo LLC Business Combination and Asset Acquisition [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Gains expected to be realized from OCL during the next 12 months, tax expense 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. Alternative Energy Alternative Energy [Member] Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Restricted cash Restricted Cash and Cash Equivalents Clearway Renew LLC Clearway Renew LLC [Member] Clearway Renew LLC Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Accumulated OCI (OCL) Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-term debt Long-Term Debt and Lease Obligation Loss Before Income Taxes Income (loss) before income taxes Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Power Power [Member] Details pertaining to the power, which is considered as a derivative commodity. Derivatives Not Designated as Cash Flow Hedges: Not Designated as Hedging Instrument [Member] Buckthorn Solar, due 2025 Buckthorn Solar, due 2025 [Member] Buckthorn Solar, due 2025 [Member] Texas Solar Nova 1, due 2028 Texas Solar Nova 1, due 2028 [Member] Texas Solar Nova 1, due 2028 Preferred stock issued (in shares) Preferred Stock, Shares Issued Subtotal non-recourse facility-level debt Project Level Debt [Member] Project Level Debt [Member] Hedging Designation [Domain] Hedging Designation [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Long-term Power Commodity Contracts Energy-Related Commodity Contracts - Operating Revenue Energy Related Derivative [Member] Entity Emerging Growth Company Entity Emerging Growth Company Carlsbad Energy Holdings LLC, due 2038 Carlsbad Energy Holdings LLC, Due 2038 [Member] Carlsbad Energy Holdings LLC, Due 2038 Less net debt issuance costs Debt Issuance Costs, Net Daggett 3, due 2028 Daggett 3, due 2023 and 2028 [Member] Daggett 3, due 2023 and 2028 Payments to acquire productive assets Payments to Acquire Productive Assets Drop Down Drop Down [Member] Drop Down Intangible assets for power purchase agreements, net Intangible Assets, Power Purchase Agreements Intangible Assets, Power Purchase Agreements Schedule of Derivative Gains and Losses Derivative Instruments, Gain (Loss) [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Derivative assets Asset Acquisition, Derivative Assets Asset Acquisition, Derivative Assets Elkhorn Ridge Elkhorn Ridge [Member] Elkhorn Ridge Borrego, due 2024 and 2038 Borrego, Due 2024 and 2038 [Member] Borrego, Due 2024 and 2038 Document Fiscal Period Focus Document Fiscal Period Focus Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Title Trading Arrangement, Individual Title Weighted Average Weighted Average [Member] Rosie Class B LLC, due 2024 and 2029 Rosie Class B LLC, Due 2024 and 2029 [Member] Rosie Class B LLC, Due 2024 and 2029 Net assets acquired Net assets acquired Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Position [Domain] Position [Domain] Common Stock Common Stock [Member] Individual: Individual [Axis] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Product and Service [Axis] Product and Service [Axis] Loss Per Share Earnings Per Share [Text Block] Valuation Technique, Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Derivative instruments Derivative Asset, Noncurrent CVSR, due 2037 CVSR Financing Agreement [Member] CVSR Financing Agreement [Member] Beginning balance Ending balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Economic Interest Equity Method Investment, Ownership Percentage 2028 Senior Notes 4.75% Senior Notes due 2028 [Member] 4.75% Senior Notes due 2028 Document Fiscal Year Focus Document Fiscal Year Focus Total Stockholders’ Equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest Energy-related commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Low Minimum Minimum [Member] Property, plant and equipment, net Property, plant and equipment Property, Plant and Equipment, Net Carlsbad Holdco, LLC, due 2038 Carlsbad Holdco, LLC, due 2038 [Member] Carlsbad Holdco, LLC, due 2038 Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Exercise Price Award Exercise Price Cedar Creek Drop Down Cedar Creek Drop Down [Member] Cedar Creek Drop Down Dividends per common share (in usd per share) Common Stock, Dividends, Per Share, Cash Paid Other comprehensive loss Mark-to-market of cash flow hedge accounting contracts Other Comprehensive Income (Loss), Net of Tax Gains expected to be realized from OCI during the next 12 months, net of income tax expense of $2 Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Fair value of short term debt Short-Term Debt, Fair Value Energy-related commodity contracts Commodity Contract [Member] 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 Proceeds from the issuance of long-term debt Proceeds from Issuance of Long-Term Debt Underlying Asset Class [Axis] Underlying Asset Class [Axis] Nonrelated Party Nonrelated Party [Member] Net Loss Net Loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Oahu Solar LLC Oahu Solar LLC [Member] Oahu Solar Partnership [Member] Net Cash Provided by Financing Activities Net Cash Provided by (Used in) Financing Activities Other Payments for (Proceeds from) Other Investing Activities Retained Earnings Retained Earnings [Member] Less current maturities Long-Term Debt, Current Maturities Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total Liabilities and Stockholders’ Equity Liabilities and Equity Other non-current assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Ownership [Domain] Ownership [Domain] 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 Right-of-use assets, net Operating Lease, Right-of-Use Asset Unrealized loss on derivatives and changes in accumulated OCI, net of income tax benefit, of $—, and $1 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Loss per weighted average common share — basic (in dollars per share) Loss per weighted average common share — basic (in dollars per share) Earnings Per Share, Basic Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Expected contributions upon substantial completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Arrangement Duration Trading Arrangement Duration Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Related Party Related Party [Member] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Common Class C Common Class C [Member] Schedule of Cash and Cash Equivalents [Table] Schedule of Cash and Cash Equivalents [Table] Lighthouse Renewable Holdco LLC Lighthouse Renewable Holdco LLC [Member] Lighthouse Renewable Holdco LLC Total other liabilities Liabilities, Noncurrent Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Schedule of Capitalization, Equity [Table] Schedule of Capitalization, Equity [Table] Crofton Bluffs, due 2031 Crofton Bluff [Member] Crofton Bluff 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 Termination Date Trading Arrangement Termination Date Term Loan Term Loan [Member] Term Loan Common stock, authorized (in shares) Common Stock, Shares Authorized San Juan Mesa San Juan Mesa [Member] San Juan Mesa Contributions from noncontrolling interests, net of distributions Proceeds from Noncontrolling Interests 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] Derivative Instrument [Axis] Derivative Instrument [Axis] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Total debt Long-Term Debt, Gross Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] All Trading Arrangements All Trading Arrangements [Member] Measurement Input Type [Axis] Measurement Input Type [Axis] Alta Wind Asset Management LLC, due 2031 Alta Wind Asset Management LLC, Due 2031 [Member] Alta Wind Asset Management LLC, Due 2031 All Adjustments to Compensation All Adjustments to Compensation [Member] Derivative [Line Items] Derivative [Line Items] Award Timing Disclosures [Line Items] Other Other Consolidated Variable Interest Entities [Member] Other Consolidated Variable Interest Entities Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Compensation Amount Outstanding Recovery Compensation Amount Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Less: Comprehensive loss attributable to noncontrolling interests and redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Carlsbad Energy Holdings LLC, due 2027 Carlsbad Energy Holdings LLC, due 2027 [Member] Carlsbad Energy Holdings LLC, due 2027 Additional paid-in capital Additional Paid in Capital Long Term Debt Current Long Term Debt Current [Member] Long Term Debt Current [Member] Assets Net amount Derivative Asset Purpose [Axis] Purpose [Axis] Purpose 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] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Property, plant and equipment Property, Plant and Equipment, Additions, Net Property, Plant and Equipment, Additions, Net Schedule of Asset Acquisition Schedule Of Asset Acquisition [Table Text Block] Schedule Of Asset Acquisition Schedule of Fair Value Within the Derivative Instrument Valuation on the Balance Sheets Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Operating Funds Operating Funds [Member] Operating Funds [Member] CEG CEG [Member] CEG [Member] Tax Equity Investors Tax Equity Investors [Member] Tax Equity Investors [Member] Prepayments and other current assets Prepaid Expense and Other Assets, Current Wildorado TE Holdco LLC Wildorado TE Holdco [Member] Wildorado TE Holdco 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. Insider Trading Arrangements [Line Items] Return of investment from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Related Party [Axis] Related Party, Type [Axis] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Total other assets Other current and non-current assets Other Assets Clearway Energy LLC Clearway Energy LLC [Member] Clearway Energy LLC [Member] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Public Shareholders Public Shareholders [Member] Public Shareholders Net assets less noncontrolling interest Net Assets Noncontrolling interest Equity, Attributable to Noncontrolling Interest Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Option Indexed to Issuer's Equity, Type [Axis] Option Indexed to Issuer's Equity, Type [Axis] Adoption Date Trading Arrangement Adoption Date Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Property, Plant and Equipment Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of Fair Value, Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Payments for long-term debt Repayments of Long-Term Debt Avenal Avenal [Member] Avenal Entity Central Index Key Entity Central Index Key Line of credit facility, fair value of amount outstanding Line of Credit Facility, Fair Value of Amount Outstanding Amortization of financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Daggett 2, due 2028 Daggett 2, due 2023 and 2028 [Member] Daggett 2, due 2023 and 2028 Income tax benefit Income tax benefit Income Tax Expense (Benefit) Derivatives Designated as Cash Flow Hedges: Designated as Hedging Instrument [Member] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, due 2028 Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility [Member] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility NIMH Solar, due 2024 NIMH Solar, due 2024 [Member] NIMH Solar, due 2024 Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Name Trading Arrangement, Individual Name Reclassified from accumulated OCI to income due to realization of previously deferred amounts Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Expenses from transactions with related party Operating Costs and Expenses Summary of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Unrealized gain (loss) on derivatives and changes in accumulated OCI, net of tax Change in unrealized losses included in earnings for derivatives and other financial instruments held as of March 31, 2024 Unrealized gain (loss) on derivatives, net of tax Unrealized Gain (Loss) on Derivatives VP Arica TE Holdco LLC VP Arica TE Holdco LLC [Member] VP Arica TE Holdco LLC Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Broken Bow, due 2031 Broken Bow Due 2031 [Member] Broken Bow Due 2031 Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Daggett Renewable Holdco LLC Daggett Renewable Holdco LLC [Member] Daggett Renewable Holdco LLC Purpose [Domain] Purpose [Domain] Purpose Right-of-use assets, net Asset Acquisition, Right-of-use asset Asset Acquisition, Right-of-use asset Administrative Services Agreement Administrative Services Agreement [Member] Administrative Services Agreement [Member] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Basic and diluted loss per share attributable to Clearway Energy, Inc. common stockholders Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Total long-term debt Long-Term Debt, Excluding Current Maturities Weighted average number of common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Interest rate contracts Interest Rate Contract [Member] Schedule of Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Langford TE Partnership LLC Langford TE Partnership LLC [Member] Langford TE Partnership LLC Capital expenditures Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount 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 Additional Paid-In Capital Additional Paid-in Capital [Member] Total Assets Total Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Equity in earnings (losses) of unconsolidated affiliates Equity in (earnings) losses of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Income (Loss) from Equity Method Investments Cover page. Cover [Abstract] Position [Axis] Position [Axis] Add premiums Debt Instrument, Unamortized Premium 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. Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Other current and non-current assets Asset Acquisition, Other Noncurrent Assets Asset Acquisition, Other Noncurrent Assets Fair Value, Recurring Fair Value, Recurring [Member] Common Class D Common Class D [Member] Common Class D [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Other non-current liabilities Other Liabilities, Noncurrent Non-NEOs Non-NEOs [Member] Schedule of Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] 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] Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Natural Gas Natural Gas [Member] Non-PEO NEO Non-PEO NEO [Member] Equity Component [Domain] Equity Component [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Company Structure Organizational Structure [Table Text Block] Org Structure [Table Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Debt Instrument [Line Items] Debt Instrument [Line Items] Weighted average number of common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Operating (Loss) Income Operating income (loss) Operating Income (Loss) Summary of Distributions Made to Limited Liability Company (LLC) Member, by Distribution Distributions Made to Limited Liability Company (LLC) Member, by Distribution [Table Text Block] Operating Revenues Revenues [Abstract] Long Long [Member] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Consolidated Entities [Domain] Consolidated Entities [Domain] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition SOFR Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Rosie Central BESS Rosie Central BESS [Member] Rosie Central BESS Other Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Less: Lease revenue Total Operating Lease, Lease Income Related Party Transaction [Axis] Related Party Transaction [Axis] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Segments [Axis] Segments [Axis] Statement Statement [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Utah Solar Holdings, due 2036 Utah Solar Holdings, due 2036 [Member] Utah Solar Holdings, due 2036 Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Interest Interest [Member] Details pertaining to interest rate swaps which are considered a derivative commodity. Noncontrolling Interest Noncontrolling Interest [Member]