Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Cash Distribution Cash Distribution [Member] Trading Arrangement: Trading Arrangement [Axis] High Maximum Maximum [Member] Asset Acquisition [Table] Asset Acquisition [Table] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Subsequent Event Subsequent Event [Member] Carrying Amount Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Transaction and integration costs Transaction and integration costs Business Combination, Acquisition-Related Cost, Expense Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Option Model Valuation Technique, Option Pricing Model [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Interest expense Interest Expense, Operating and Nonoperating Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Post-closing adjustments Asset Acquisition, Purchase Price, Post-Closing Adjustments Asset Acquisition, Purchase Price, Post-Closing Adjustments Cash Asset Acquisition, Cash Asset Acquisition, Cash Restatement Determination Date Restatement Determination Date Current portion of long-term debt — external External Current Debt External Current Debt Long-term debt, including current portion — external Long-term debt, including current portion Long-Term Debt and Lease Obligation, Including Current Maturities Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Derivative Instrument [Axis] Derivative Instrument [Axis] (Distributions to) contributions from CEG, net Proceeds From (Distributions To) Contributions from Affiliates Proceeds From (Distributions To) Contributions from Affiliates Distributions per Class B, C and D unit Common Class B, C, And D [Member] Common Class B, C, And D Measurement Frequency [Axis] Measurement Frequency [Axis] Payments for long-term debt — affiliate Repayments of Related Party Debt Distributions per unit (in dollars per share) Partners' Capital, Distribution Amount Per Share Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Current Liabilities Liabilities, Current [Abstract] Other non-current liabilities Asset Acquisition, Liabilities, Other Noncurrent Asset Acquisition, Liabilities, Other Noncurrent Shares converted (in shares) Conversion of Stock, Shares Converted Schedule of Notional Amounts of Outstanding Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding 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 Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Member] Redeemable Noncontrolling Interest [Member] Acquisition of Drop Down Assets, net of cash acquired Payment to Acquire Business under Common Control Payment to Acquire Business under Common Control Total other liabilities Liabilities, Noncurrent Members' Equity [Abstract] Cardinal Portfolio acquisition Stock Issued During Period, Value, Acquisitions Consolidated Entities [Domain] Consolidated Entities [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province 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. PEO Total Compensation Amount PEO Total Compensation Amount Restricted cash Asset Acquisition, Restricted Cash Asset Acquisition, Restricted Cash Asset Acquisition [Axis] Asset Acquisition [Axis] Forward Market Price Measurement Input, Commodity Forward Price [Member] Other Liabilities Liabilities, Noncurrent [Abstract] Derivative, notional amount Derivative, Notional Amount Nature of Business [Line Items] Basis of Presentation [Line Items] Basis of Presentation [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 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. Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Construction loans Construction Loans [Member] Energy revenue Energy Revenue [Member] Energy Revenue [Member] Total current liabilities Liabilities, Current Total Members’ Equity Balances, beginning of period Balances, end of period Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Derivative instruments Derivative Liability, Current Other Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Gains expected to be realized from OCI during the next 12 months Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Entity Address, City or Town Entity Address, City or Town 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. Capacity revenue Capacity Revenue [Member] Capacity Revenue [Member] 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. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Return of investment from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Level 2 Fair Value, Inputs, Level 2 [Member] Receivable [Domain] Receivable [Domain] Intangible Assets Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other comprehensive income (loss) Mark-to-market of cash flow hedge accounting contracts Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Less current maturities Long-Term Debt, Current Maturities Borrowings Asset Acquisition, Issuance Cost Asset Acquisition, Issuance Cost Subsequent Event Type [Axis] Subsequent Event Type [Axis] Unrealized gain (loss) on derivatives and changes in accumulated OCI/OCL Unrealized gain (loss) on derivatives and changes in accumulated OCL Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Langford Restructuring Langford Restructuring [Member] Langford Restructuring Honeycomb TE Holdco LLC Honeycomb TE Holdco LLC [Member] Honeycomb TE Holdco LLC Error Correction [Table] Error Correction [Table] Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Segment Reporting Segment Reporting [Table Text Block] Noncontrolling Interest Noncontrolling Interest [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Payments for the revolving credit facility Repayments of Lines of Credit Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Stock exchanged (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Non-recourse debt held by unconsolidated affiliates Long-Term Debt Proceeds from the issuance of long-term debt — affiliate Proceeds from Related Party Debt Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Document Period End Date Document Period End Date Number of wholly owned subsidiaries Number of Wholly Owned Subsidiaries Number of Wholly Owned Subsidiaries Net Cash Used in Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Borrowings Total payments Debt Instrument, Face Amount Members' Equity Equity [Text Block] Other Income (Expense) Costs and Expenses [Abstract] Debt instrument, term (in years) Debt Instrument, Term Effective interest rate (as a percentage) Debt Instrument, Interest Rate, Effective Percentage Contributions from noncontrolling interests, net of distributions Proceeds from Noncontrolling Interests Position [Axis] Position [Axis] Payments for associated fees Payments for Other Fees Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] 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 Amortization of intangibles and out-of-market contracts 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. Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Common Class B Common Class B [Member] Dividend Reinvestment and Direct Stock Purchase Plan Dividend Reinvestment And Direct Stock Purchase Plan [Member] Dividend Reinvestment And Direct Stock Purchase Plan Derivative liabilities using level 3 fair value inputs (as a percentage) Percent of Derivative Liabilities Using Level 3 Fair Value Inputs Percent of Derivative Liabilities Using Level 3 Fair Value Inputs Consolidation Items [Domain] Consolidation Items [Domain] Reserved for issuance up to an aggregate (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Stock issued during period, issued for services (in shares) Stock Issued During Period, Shares, Issued for Services Nature of Business [Table] Nature of Business [Table] Nature of Business [Table] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Distributions paid to Clearway, Inc. and CEG Class B and Class D unit holders Limited Partners' Capital Account, Distribution Amount Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total Liabilities Liabilities Accumulated OCI (OCL) attributable to Clearway Energy LLC AOCI Including Portion Attributable to Noncontrolling Interest [Member] Payments for asset acquisition, additional purchase price Payments For Asset Acquisition, Additional Purchase Price Payments For Asset Acquisition, Additional Purchase Price Capital expenditures Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Amortization of financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts Generational Facilities and District Energy Systems Generational Facilities and District Energy Systems [Member] Generational Facilities and District Energy Systems Long-term Power Commodity Contracts Energy-Related Commodity Contracts (Mark-to-market for economic hedging activities included in Total operating revenues) Energy Related Derivative [Member] Unrealized gain (loss) on derivatives, net of tax Unrealized Gain (Loss) on Derivatives Fixed rate Fixed Rate [Member] Fixed Rate Long-term debt, including current portion — affiliate Total debt Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash Flows from Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Contract amortization Less: Contract amortization Capitalized Contract Cost, Amortization Individual: Individual [Axis] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation 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Changes in other working capital Increase (Decrease) in Other Operating Assets and Liabilities, Net Award Timing Predetermined Award Timing Predetermined [Flag] Revision of Previously Issued Unaudited Financial Information Error Correction [Text Block] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount 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. Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Derivative instruments Derivative Asset, Noncurrent 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] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] GIP GIP [Member] GIP [Member] All Executive Categories All Executive Categories [Member] Number of states Number of States in which Entity Operates Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Repayments of outstanding borrowings Repayments of Long-Term Lines of Credit Fair value of long term debt Long-Term Debt, Fair Value Changes in derivative instruments and amortization of accumulated OCI/OCL Increase (Decrease) in Derivative Assets and Liabilities Redeemable noncontrolling interest in subsidiaries Redeemable Noncontrolling Interest, Equity, Carrying Amount Plan Name [Domain] Plan Name [Domain] Variable rate Variable Rate [Member] Variable Rate Asset Acquisition [Domain] Asset Acquisition [Domain] GenConn Gen Conn Energy LLC [Member] Represents the information pertaining to GenConn Energy LLC. Right-of-use assets, net Operating Lease, Right-of-Use Asset AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Segment Reporting Segment Reporting [Text Block] Low Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Other current liabilities Asset Acquisition, Liabilities, Other Current Asset Acquisition, Liabilities, Other Current Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Accumulated OCI (OCL) beginning balance Accumulated OCI (OCL) ending balance Total Members’ Equity Equity, Including Portion Attributable to Noncontrolling Interest Distributions for future delivery of equipment Distributions For Future Delivery Of Equipment Distributions For Future Delivery Of Equipment 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] Trade Nonrelated Party [Member] Due to related party Other Liabilities Affiliates Affiliated Entity Affiliated Entity [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Proceeds from the issuance of Class C units Proceeds from Issuance of Common Stock Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] Exercise Price Award Exercise Price Early partial repayment Asset Acquisition, Early Partial Repayment Asset Acquisition, Early Partial Repayment Cash Flows from Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Fair Value, Recurring Fair Value, Recurring [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Segment Reporting Segment Reporting [Line Items] Net income (loss) Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax Document Quarterly Report Document Quarterly Report Option Indexed to Issuer's Equity, Type [Axis] Option Indexed to Issuer's Equity, Type [Axis] 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] Segments [Domain] Segments [Domain] Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Input/Range Derivative Asset (Liability) Net, Measurement Input Accrued interest expense Interest Payable Repayment of outstanding loan Repayments of Long-Term Debt Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Less net debt issuance costs Debt issuance costs, net Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity investments in affiliates Investment Balance Equity Method Investments Contributions received for future delivery of equipment Contributions Received For Future Delivery Of Equipment Contributions Received For Future Delivery Of Equipment Equity Component [Domain] Equity Component [Domain] Quarterly Financial Information Disclosure [Abstract] Pro-rata distributions to Clearway, Inc. and CEG Noncontrolling Interest, Pro Rata Distributions Noncontrolling Interest, Pro Rata Distributions PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Total assets acquired Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Total gains (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 Long-term lease liabilities Asset Acquisition, Lease Liabilities, Noncurrent Asset Acquisition, Lease Liabilities, Noncurrent Total operating costs and expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Investments in unconsolidated affiliates Payments to Acquire Equity Method Investments Interest rate (as a percentage) Debt Instrument, Interest Rate, Stated Percentage Counterparty Name [Domain] Counterparty Name [Domain] Right-of-use assets Asset Acquisition, Right-Of-Use Assets, Net Asset Acquisition, Right-Of-Use Assets, Net Total other expense, net Nonoperating Income (Expense) Debt Service Obligations Debt Service Obligations [Member] Debt Service Obligations [Member] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Transfer of assets under common control Transfers of Assets under Common Control Transfers of Assets under Common Control Proceeds from issuance of stock Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan Accounting Policies [Abstract] Accounting Policies [Abstract] Buyout of noncontrolling interest Payments of Capital Distribution Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Accrued professional fees Payments of Stock Issuance Costs Insider Trading Policies and Procedures [Line Items] Drop Down AOCI Including Portion Attributable to Noncontrolling Interest, Period Increase (Decrease) Other Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Property, plant and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Addition Prepayments and other current assets Prepaid Expense and Other Assets, Current Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivative assets using level 3 fair value inputs (as a percentage) Percent of Derivative Assets Using Level 3 Fair Value Inputs Percent of Derivative Assets Using Level 3 Fair Value Inputs Repayments of debt Repayments of Debt Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Business Combination [Domain] Business Combination [Domain] Letter of Credit Letter of Credit [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Less: Lease revenue Total Operating Lease, Lease Income Other financial instruments Other Financial Instruments Solar Renewable Energy Credits And Other Financial Instruments [Member] Solar Renewable Energy Credits And Other Financial Instruments Current portion of long-term debt — affiliate Affiliate Current Debt Affiliate Current Debt Rosamond South I Drop Down Rosamond South I Drop Down [Member] Rosamond South I Drop Down Entity Central Index Key Entity Central Index Key Construction Loan Construction Loan [Member] Construction Loan Weighted Average Weighted Average [Member] Property, Plant and Equipment Accumulated Depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Underlying Asset Class [Axis] Underlying Asset Class [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Business Combination [Axis] Business Combination [Axis] 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] Net Cash Provided by Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Remaining expected to be paid Long-Term Debt, Maturity, Remainder of Fiscal Year Other Stockholders' Equity, Other Members’ Equity Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Accumulated OCI attributable to noncontrolling interests AOCI Attributable to Noncontrolling Interest [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Pine Forest Drop Down Pine Forest Drop Down [Member] Pine Forest Drop Down 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 Basis spread on variable rate (as a percentage) Debt instrument, basis spread on variable rate (as a percentage) Debt Instrument, Basis Spread on Variable Rate Long-term debt Asset Acquisition, Long-term Debt Asset Acquisition, Long-term Debt Weighted average remaining contract duration (in years) Power Purchase Agreement Period Represents the period of power purchase agreement City Area Code City Area Code Rosie South TargetCo LLC Rosie South TargetCo LLC [Member] Rosie South TargetCo LLC Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Reduction in carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Derecognized derivative liabilities with fair value Derecognition Of Derivative Liabilities, Fair Value Derecognition Of Derivative Liabilities, Fair Value Name Forgone Recovery, Individual Name Desert Sunlight Desert Sunlight [Member] Desert Sunlight As Previously Reported Previously Reported [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement Statement [Line Items] Total Assets Total Assets Assets Other revenues Products And Services, Other [Member] Products And Services, Other [Member] Notional amount, energy measure Derivative, Nonmonetary Notional Amount, Energy Measure Entity [Domain] Entity [Domain] Call Option Call Option [Member] Variable Interest Entity Variable Interest Entity, Not Primary Beneficiary [Member] Operating Segments Operating Segments [Member] Total liabilities assumed Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed Interest expense Interest Expense, Nonoperating Contributions from CEG and noncontrolling interests, net of distributions, cash Cash contributions from redeemable noncontrolling interests, net of distributions Noncontrolling Interest, Increase from Sale of Parent Equity Interest PEO PEO [Member] Accounts receivable, net - Contracts with customers Customer Contracts [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Measurement Basis [Axis] Measurement Basis [Axis] 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 Contributions from Clearway, Inc., cash Noncontrolling Interest, Contributions From Sale of Parent Equity Interest Noncontrolling Interest, Contributions From Sale of Parent Equity Interest Common Class C Common Class C [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Long-term lease liabilities Operating Lease, Liability, Noncurrent Revision of Prior Period [Domain] Revision of Prior Period [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] RENOM RENOM [Member] RENOM [Member] Schedule of Estimated Carrying Values and Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Payments of debt issuance costs Payments of Debt Issuance Costs Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Entity Current Reporting Status Entity Current Reporting Status Net Cash Provided by Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Goat Mountain Repowering Goat Mountain Repowering [Member] Goat Mountain Repowering Net assets acquired Asset Acquisition, Assets Acquired and Liabilities Assumed Net, Less Noncontrolling Interest Asset Acquisition, Assets Acquired and Liabilities Assumed Net, Less Noncontrolling Interest Ownership [Domain] Ownership [Domain] Palisade Plains Partnership Palisade Plains Partnership [Member] Palisade Plains Partnership Schedule of Unaudited Proforma Financial Information Business Combination, Pro Forma Information [Table Text Block] Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Natural Gas Natural Gas [Member] Intangible assets for power purchase agreements Intangible Asset, Finite-Lived, Acquired Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Cash Flows from Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property, plant and equipment, net Property, plant and equipment Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Accounts receivable, net - Leases Lease Agreements [Member] Intercompany Note with Clearway, Inc. Intercompany Note With Clearway Energy, Inc. [Member] Intercompany Note With Clearway Energy, Inc. Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Payments for long-term debt — external Repayments of Other Long-Term Debt Financial Instruments [Domain] Financial Instruments [Domain] Schedule of Maximum Loss Exposure in Equity Method Investments Equity Method Investments [Table Text Block] Development fee Asset Acquisition, Development Fee Asset Acquisition, Development Fee Assets Net Amount Derivative Asset Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Less: Comprehensive loss attributable to noncontrolling interests and redeemable noncontrolling interests Comprehensive loss attributable to redeemable noncontrolling interests Comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Proceeds from issuance of Class C units Stock Issued During Period, Value, New Issues Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Luna Valley Drop Down Luna Valley Drop Down [Member] Luna Valley Drop Down Power Power [Member] Details pertaining to the power, which is considered as a derivative commodity. Other Payment for (Proceeds from) Other Investing Activity Distributions to CEG, net of contributions, cash Noncontrolling Interest, Distributions To Sale of Parent Equity Interest Noncontrolling Interest, Distributions To Sale of Parent Equity Interest Contributions from noncontrolling interests, net of distributions Proceeds from (Payments to) Noncontrolling Interests Segment Reporting [Table] Segment Reporting [Table] Honeycomb Portfolio BESS Honeycomb Portfolio BESS [Member] Honeycomb Portfolio BESS Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Operating revenues Business Combination, Acquiree's Revenue since Acquisition Date, Actual Other current assets Other Assets, Current All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating Income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Intangible assets for power purchase agreements, net Intangible Assets, Power Purchase Agreements Intangible Assets, Power Purchase Agreements Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Derivative assets Asset Acquisition, Derivative Assets Asset Acquisition, Derivative Assets Related Party Transaction [Domain] Related Party Transaction [Domain] Acquisitions Business Combination [Text Block] Elkhorn Ridge Elkhorn Ridge [Member] Elkhorn Ridge 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] Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Number of solar facilities Power Purchase Agreement, Number Of Solar Facilities Power Purchase Agreement, Number Of Solar Facilities Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Payments for equipment deposits and asset purchases from affiliate Payments to Acquire Assets from Affiliate Payments to Acquire Assets from Affiliate Other current and non-current assets Asset Acquisition, Other Current And Noncurrent Assets Asset Acquisition, Other Current And Noncurrent Assets Net assets (liabilities) acquired (assumed) Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Distributions to noncontrolling interests, net of contributions, cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Power generation capacity, gigawatts (over) Power Generation Capacity, Gigawatts Power Generation Capacity, Gigawatts Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Daggett 1 Drop Down Daggett 1 Drop Down [Member] Daggett 1 Drop Down Measure: Measure [Axis] Payments for asset acquisition and transaction expenses Payments For Asset Acquisitions, Net of Cash Acquired And Transaction Expenses Payments For Asset Acquisitions, Net of Cash Acquired And Transaction Expenses Investments Accounted for by the Equity Method and Variable Interest Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Nature of Business Business Description and Basis of Presentation [Text Block] Adjustments Revision of Prior Period, Adjustment [Member] Equity Components [Axis] Equity Components [Axis] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Other Cost and Expense, Operating Energy-related commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Distributions per Class A unit Common Class A [Member] Shareholders Shareholders [Member] Shareholders [Member] Entity Interactive Data Current Entity Interactive Data Current Net income Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Contributions from Clearway, Inc., net of distributions Proceeds from Contributions from Parent Entity Small Business Entity Small Business Flexible Generation Flexible Generation [Member] Flexible Generation Comprehensive Income Attributable to Clearway Energy LLC Comprehensive income attributable to Clearway Energy LLC Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date 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 Noncontrolling Interest [Table] Noncontrolling Interest [Table] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Accounts payable — affiliates Other current liabilities Other Liabilities, Current Other non-current assets Other Assets, Noncurrent Distributions to noncontrolling interests, non-cash Non-cash contribution from redeemable noncontrolling interests Distributions to Noncontrolling Interests, Non-cash Distributions to Noncontrolling Interests, Non-cash Document Type Document Type Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative instruments Derivative Asset, Current Loss on debt extinguishment Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Fair Value as of Grant Date Award Grant Date Fair Value Short Short [Member] Renewables & Storage Renewables And Storage [Member] Renewables [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] 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 Total expenses Operating Costs and Expenses Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and Contingencies Commitments and Contingencies Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Total operating revenues Revenues Operating revenues Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Equity in earnings of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Income (Loss) from Equity Method Investments Equity, Attributable to Noncontrolling Interest [Roll Forward] Equity, Attributable to Noncontrolling Interest [Roll Forward] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Receivable Type [Axis] Receivable Type [Axis] Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES AND MEMBERS’ EQUITY Liabilities and Equity [Abstract] Operating Costs and Expenses Operating Costs and Expenses [Abstract] Cardinal Portfolio acquisition Cardinal Portfolio Acquisition [Member] Cardinal Portfolio Acquisition Schedule of Fair Value, Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventory Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Other financial instruments using level 3 fair value inputs (as a percentage) Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Level 3 Fair Value, Inputs, Level 3 [Member] Term Loan Term Loan [Member] Term Loan San Juan Mesa San Juan Mesa [Member] San Juan Mesa PEO Name PEO Name Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Total other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Legal Entity [Axis] Legal Entity [Axis] 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 Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Distributions Paid Schedule of Dividends Paid [Table Text Block] Tabular disclosure of all or some of the information related to dividends paid Accrued expenses and other current liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 2034 Senior Notes 2034 Senior Notes [Member] 2034 Senior Notes Cash and cash equivalents, held at project subsidiaries Other Cash Equivalents, at Carrying Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Restricted cash Restricted Cash and Cash Equivalent, Current 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] Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Economic Interest Ownership (as a percentage) Equity Method Investment, Ownership Percentage Long Term Debt Current Long Term Debt Current [Member] Long Term Debt Current [Member] Pro-rata distributions to Clearway, Inc. and CEG Distribution Made to Limited Liability Company (LLC) Member, Pro-Rata, Cash Distributions Paid Distribution Made to Limited Liability Company (LLC) Member, Pro-Rata, Cash Distributions Paid Long Long [Member] Purpose [Axis] Purpose [Axis] Purpose [Axis] 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] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Investment, Name [Domain] Investment, Name [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Measurement Input Type [Axis] Measurement Input Type [Axis] Operating Funds Operating Funds [Member] Operating Funds [Member] CEG CEG [Member] CEG [Member] Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Tax Equity Investors Tax Equity Investors [Member] Tax Equity Investors [Member] Insider Trading Arrangements [Line Items] Fair value of short term debt Short-Term Debt, Fair Value 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. Schedule of Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Long-term debt — external Total long-term debt Long-Term Debt, Excluding Current Maturities Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Award Type Award Type [Axis] Interest rate contracts Interest Rate Contracts (Interest expense) Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Energy-related commodity contracts Commodity Contract [Member] Product and Service [Axis] Product and Service [Axis] Clearway Energy LLC Clearway Energy LLC [Member] Clearway Energy LLC [Member] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Balance at December 31, 2025 Balance at June 30, 2026 Temporary Equity, Including Noncontrolling Interest Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Goat Mountain Goat Mountain [Member] Goat Mountain Cardinal Investment Holdco LLC Cardinal Investment Holdco LLC [Member] Cardinal Investment Holdco LLC Noncontrolling interest Noncontrolling interest Members' Equity Attributable to Noncontrolling Interest Proceeds from the issuance of long-term debt — external Proceeds from Issuance of Other Long-Term Debt Summary of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Derivative Contract [Domain] Derivative Contract [Domain] Avenal Avenal [Member] Avenal Equity Awards Adjustments Equity Awards Adjustments [Member] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Total Liabilities and Members’ Equity Liabilities and Equity Derivative instruments Derivative Liability, Noncurrent Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 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 Segments [Axis] Business Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Related Party [Domain] Related and Nonrelated Parties [Domain] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Tabular List, Table Tabular List [Table Text Block] Other income, net Other income, net Other Nonoperating Income (Expense) Noncontrolling interests Asset Acquisition, Noncontrolling Interests Asset Acquisition, Noncontrolling Interests Long-term Debt Long-Term Debt [Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Capital Unit, Class C Capital Unit, Class C [Member] Capital Unit, Class C Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Other Assets Assets, Noncurrent [Abstract] General and administrative General and Administrative Expense Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Location, Statement of Financial Position, Activity, Accrual [Axis] Location, Statement of Financial Position, Activity, Accrual [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Tax Credit Transfer Bridge Loan Tax Credit Transfer Bridge Loan [Member] Tax Credit Transfer Bridge Loan Purpose [Domain] Purpose [Domain] [Domain] for Purpose [Axis] 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 Hedging Designation [Domain] Hedging Designation [Domain] Administrative Services Agreement Administrative Services Agreement [Member] Administrative Services Agreement [Member] Class of Stock [Domain] Class of Stock [Domain] Elbow Creek Restructuring Elbow Creek Restructuring [Member] Elbow Creek Restructuring Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount 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] Hedging Designation [Axis] Hedging Designation [Axis] Buyout of noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Credit Facility [Axis] Credit Facility [Axis] Mesquite Sky Restructuring Mesquite Sky Restructuring [Member] Mesquite Sky Restructuring Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Cardinal Purchaser LLC and Cardinal JV Purchaser LLC Cardinal Purchaser LLC And Cardinal JV Purchaser LLC [Member] Cardinal Purchaser LLC And Cardinal JV Purchaser LLC Accounts payable — trade Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Third Party Investor Third Party Investor [Member] Third Party Investor [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Fair Value of Derivative Instruments Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] 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 Contributed Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Cardinal Portfolio Cardinal Portfolio [Member] Cardinal Portfolio Revision of Prior Period [Axis] Revision of Prior Period [Axis] Schedule of Offsetting of Derivatives Offsetting Liabilities [Table Text Block] 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. Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Common Class D Common Class D [Member] Common Class D [Member] Position [Domain] Position [Domain] Cardinal Portfolio JV Cardinal Portfolio JV [Member] Cardinal Portfolio JV Company Selected Measure Amount Company Selected Measure Amount Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Long-term debt, additions Asset Acquisition, Long-term Debt, Additions Asset Acquisition, Long-term Debt, Additions Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Depreciation, amortization and accretion Depreciation, amortization and accretion Depreciation, Depletion and Amortization Heat Rate Call Option Commodity Contracts Commodity Option [Member] Change in unrealized gains included in earnings for derivatives and other financial instruments held as of June 30, 2026 Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Basis spread on fixed rate (as a percentage) Debt Instrument, Basis Spread on Fixed Rate Debt Instrument, Basis Spread on Fixed Rate Net Income (Loss) Net Income (Loss) Net Loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Schedule of Accumulated Depreciation and Amortization Schedule of Accumulated Depreciation and Amortization [Table Text Block] Schedule of Accumulated Depreciation and Amortization [Table Text Block] Current Assets Assets, Current [Abstract] Liabilities Net Amount Derivative Liability Operating revenues Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Schedule of Company Organization Chart Organizational Structure [Table Text Block] Org Structure [Table Text Block] Award Timing Method Award Timing Method [Text Block] Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Other intangible assets, net Other Intangible Assets, Net Contributed capital Members' Capital Net Income Attributable to Clearway Energy LLC Net income attributable to Clearway Energy LLC Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Remaining balance to distribute Asset Acquisition, Remaining Balance to Distribute Asset Acquisition, Remaining Balance to Distribute Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition Restatement Determination Date: Restatement Determination Date [Axis] Add premiums Debt Instrument, Unamortized Premium Acquisitions, net of cash acquired Payments for Asset Acquisition Payments for Asset Acquisition Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Transfers out of Level 3 Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Additions for Loss of NPNS Exception Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Additions for Loss of NPNS Exception Derivative Assets Derivative assets, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Interest Interest [Member] Details pertaining to interest rate swaps which are considered a derivative commodity. Operating Revenues Revenues [Abstract] Beginning balance Ending balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]