Consolidated Entities [Axis] Consolidated Entities [Axis] Payments for long-term debt — external Repayments of Other Debt Variable Rate [Domain] Variable Rate [Domain] Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Cash used in changes in other working capital: Increase (Decrease) in Operating Capital [Abstract] Related Party Transaction Related Party Transaction [Line Items] Investment, Name [Domain] Investment, Name [Domain] Noncontrolling interest Members' Equity Attributable to Noncontrolling Interest 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] Revolving Credit Facility Revolving Credit Facility [Member] Pinnacle Repowering TE Holdco LLC Pinnacle Repowering TE HoldCo LLC [Member] Pinnacle Repowering TE HoldCo LLC Long -term debt payable on mechanical completion Asset Acquisition Long Term Debt Payable On Mechanical Completion Asset Acquisition Long Term Debt Payable On Mechanical Completion 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 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 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 Walnut Creek, due 2023 Walnut Creek Energy, LLC, due in 2023 [Member] Walnut Creek Energy, LLC, due in 2023 [Member] Derivative instruments Derivative Asset, Current Conventional Generation Conventional Generation [Member] Conventional Generation [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 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 Other Other Debt [Member] Represents other debt instruments not separately accounted disclosed. Nature of Business Business Description and Basis of Presentation [Text Block] Ownership [Axis] Ownership [Axis] Transaction and integration costs Asset Acquisition, Acquisition Related Costs Asset Acquisition, Acquisition Related Costs Carlsbad Holdco, LLC, due 2038 Carlsbad Holdco, due 2038 [Member] Carlsbad Holdco, due 2038 Current Liabilities Liabilities, Current [Abstract] Marsh Landing, due 2023 Marsh Landing Term Loan Facility [Member] Marsh Landing Term Loan Facility [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Proceeds from sale of business Proceeds from Divestiture of Businesses Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivative Liabilities Derivative liabilities, gross Derivative Liability, Subject to Master Netting Arrangement, before Offset Restricted cash Asset Acquisition, Restricted Cash Asset Acquisition, Restricted Cash Scchedule of Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] Accounts Receivable, after Allowance for Credit Loss, Current 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] Level 3 Fair Value, Inputs, Level 3 [Member] Line of Credit Line of Credit [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. Capistrano Wind Portfolio, due 2029 and 2031 Capistrano Wind Portfolio, due 2029 and 2031 [Member] Capistrano Wind Portfolio, due 2029 and 2031 Other Assets Assets, Noncurrent [Abstract] Energy Revenue Energy Revenue [Member] Energy Revenue [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Investments in unconsolidated affiliates Payments to Acquire Equity Method Investments Net Income Attributable to Clearway Energy LLC Net Income (Loss) Total current liabilities Liabilities, Current SOFR Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] 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] Distributions to CEG of escrowed amounts Payments of Distributions to Affiliates Tax-related distributions Noncontrolling Interest, Decrease from Special Distribution to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Special Distribution to Noncontrolling Interest Holders 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] 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 MEMBERS’ EQUITY Liabilities and Equity [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 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] Members’ Equity Equity, Attributable to Parent [Abstract] Common Class B Common Class B [Member] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Carrying Amount Reported Value Measurement [Member] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] 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] Entity Small Business Entity Small Business Local Phone Number Local Phone Number Fair Value Measurement [Domain] Fair Value Measurement [Domain] Letter of Credit Letter of Credit [Member] Derivative, notional amount Derivative, Notional Amount Distribution per Class A, B, C and D unit, delcared (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] 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 and Cash Equivalents, Current 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] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Payments of debt issuance costs Payments of Debt Issuance Costs Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Alta TE Holdco LLC Alta TE Holdco LLC [Member] Alta X and XI TE Holdco [Member] Payments for associated fees Payments for Other Fees Contributions from (distributions to) CEG, net Proceeds From (Distributions for) Contributions from Affiliates Proceeds From (Distributions for) Contributions from Affiliates Long -term debt payable on substantial completion Asset Acquisition Long Term Debt payable on Substantial Completion Asset Acquisition Long Term Debt payable on Substantial Completion 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 Payments for long-term debt — affiliate Repayments of Related Party Debt 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 Maximum Loss Exposure in 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] 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] Cash Flows from Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Transaction and integration costs Business Combination, Acquisition Related Costs Net investment costs Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Contributions from noncontrolling interests, 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 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] Related Party Transactions Related Party Transactions Disclosure [Text Block] Contributions from (distributions to) CEG, cash Noncontrolling Interest, Contributions From (Distributions To) Sale of Parent Equity Interest Noncontrolling Interest, Contributions From (Distributions To) Sale of Parent Equity Interest 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] 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 Thermal Thermal [Member] Represents Thermal segment of the entity. Power generation capacity, megawatts (over) Power generation capacity, megawatts Power Generation Capacity, Megawatts Power Generation Capacity, Megawatts Entity Shell Company Entity Shell Company Intangible assets Finite-Lived Intangible Assets, Net Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] 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] 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 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. 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 Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Long-term debt, outstanding Asset Acquisition, Long-term Debt, Outstanding Asset Acquisition, Long-term Debt, Outstanding Payments of distributions Payments of Ordinary Dividends Common Class A Common Class A [Member] Total operating costs and expenses Costs and Expenses Other Proceeds from (Payments for) Other Financing Activities High Maximum Maximum [Member] GIP GIP [Member] GIP [Member] Comprehensive Income Attributable to Clearway Energy LLC Comprehensive Income (Loss), Net of Tax, Attributable to Parent Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Document Type Document Type Rosamond Central Solar project Rosamond Central Solar Project [Member] Rosamond Central Solar Project 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] Transfers of assets under common control Noncontrolling Interest, Transfers of Assets Under Common Control Noncontrolling Interest, Transfers of Assets Under Common Control Distribution Made to Limited Partner, Cash Distributions Paid Distribution Made to Limited Partner, Cash Distributions Paid 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] Derivative, nonmonetary notional amount Derivative, Nonmonetary Notional Amount, Energy Measure Subsequent Event Subsequent Event [Member] Rosie Class B LLC, due 2029 Rosie Class B LLC, Due 2029 [Member] Rosie Class B LLC, Due 2029 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] Rosie Class B LLC Rosie Class B LLC [Member] Rosie Class B LLC 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] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Related Party [Domain] Related Party, Type [Domain] Derivative liability Derivative liability, Net Amount Derivative Liability Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] Operating Segments Operating Segments [Member] Contributed capital Members' Capital 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 Entity Tax Identification Number Entity Tax Identification Number Equity investments in affiliates Equity Method Investments Inventory Inventory, Net Contract amortization Less: Contract amortization Capitalized Contract Cost, Amortization Statistical Measurement [Axis] Statistical Measurement [Axis] 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/OCL Increase (Decrease) in Derivative Assets and Liabilities Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired 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 Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Related and Nonrelated Party Status [Axis] Related and Nonrelated Party Status [Axis] Segments [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] 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) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current Assets Assets, Current [Abstract] Entity Address, State or Province Entity Address, State or Province Short Short [Member] Counterparty Name [Axis] Counterparty Name [Axis] Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] 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 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] 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 Net Cash (Used in) Provided by 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 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 Credit Facility [Axis] Credit Facility [Axis] Power purchase agreement period (in years) Power Purchase Agreement Period Represents the period of power purchase agreement Total Liabilities Total liabilities Liabilities Renewables Renewables [Member] Renewables [Member] DGPV Funds DGPV Funds [Member] DGPV Funds Asset Acquisition [Axis] Asset Acquisition [Axis] Accumulated Other Comprehensive(Loss) Income AOCI Attributable to Parent [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Desert Sunlight Desert Sunlight [Member] Desert Sunlight Other Liabilities Liabilities, Noncurrent [Abstract] Sponsor Equity Bridge Loan Sponsor Equity Bridge Loan [Member] Sponsor Equity Bridge Loan Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Viento Funding II, LLC, due 2029 Viento Funding II, LLC Due 2029 [Member] Viento Funding II, LLC Due 2029 Other revenue Products And Services, Other [Member] Products And Services, Other [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Related Party Transaction [Domain] Related Party Transaction [Domain] WCEP Holdings, LLC, due 2023 WCEP Holdings LLC, Due 2023 [Member] WCEP Holdings LLC, Due 2023 Lease receivable Sales-type Lease, Lease Receivable 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] Acquisition of Drop Down Assets, net of cash acquired Payment to Acquire Business under Common Control Payment to Acquire Business under Common Control Affiliated Entity Affiliated Entity [Member] General and administrative General and Administrative Expense Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed 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 Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Total current assets Assets, Current Other intangible assets, net Other Intangible Assets, Net Accrued interest expense Interest Payable Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss 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] Due to related party Other Liabilities Redeemable noncontrolling interest in subsidiaries Balance at December 31, 2022 Balance at June 30, 2023 Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Long-term debt, including current portion — external Long-Term Debt and Lease Obligation, Including Current Maturities 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] RENOM RENOM [Member] RENOM [Member] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Percent of derivative liabilities using level 3 fair value inputs Percent of Derivative Liabilities Using Level 3 Fair Value Inputs Percent of Derivative Liabilities Using Level 3 Fair Value Inputs 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] Daggett TargetCo LLC Daggett TargetCo LLC [Member] Daggett TargetCo LLC 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, amortization and accretion Depreciation, Depletion and Amortization Intercompany Note with Clearway, Inc. Intercompany Note With Clearway Energy, Inc. [Member] Intercompany Note With Clearway Energy, Inc. Debt instrument, interest rate, stated percentage Interest rate, percentage Debt Instrument, Interest Rate, Stated Percentage Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Gain on sale of business Gain on sale of business Gain (Loss) on Disposition of Business Rosie TargetCo LLC Rosie TargetCo LLC [Member] Rosie TargetCo LLC Business Combination and Asset Acquisition [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] LIBOR London Interbank Offered Rate [Member] London Interbank Offered Rate Solar Alternative Energy [Member] Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Clearway Renew LLC Clearway Renew LLC [Member] Clearway Renew LLC Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Power Power [Member] Details pertaining to the power, which is considered as a derivative commodity. Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Buckthorn Solar, due 2025 Buckthorn Solar, due 2025 [Member] Buckthorn Solar, due 2025 [Member] Subtotal non-recourse project-level debt Project Level Debt [Member] Project Level Debt [Member] Hedging Designation [Domain] Hedging Designation [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Commodity Contracts 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 Debt Issuance Costs, Net Daggett 3, due 2023 and 2028 Daggett 3, Due 2023 and 2028 [Member] Daggett 3, Due 2023 and 2028 Proceeds from the issuance of long-term debt — external Proceeds from Issuance of Other Long-Term Debt Intangible assets for power purchase agreements, net Intangible Assets, Power Purchase Agreements Intangible Assets, Power Purchase Agreements Cash distributions to redeemable noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Redeemable Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Redeemable Noncontrolling Interest Holders 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] 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 Weighted Average Weighted Average [Member] Net assets acquired Net assets acquired less noncontrolling interest Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Position [Domain] Position [Domain] Comprehensive income attributable to redeemable noncontrolling interests Comprehensive Income, Net of Tax Portions Attributable to Noncontrolling Redeemable Interest Comprehensive Income, Net of Tax Portions Attributable to Noncontrolling Redeemable Interest 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] 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 Accumulated OCI (OCL) beginning balance Accumulated OCI ending balance Equity, Including Portion Attributable to Noncontrolling Interest Distributions to noncontrolling interests, net of contributions, cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Low Minimum Minimum [Member] Shareholders Shareholders [Member] Shareholders [Member] Property, plant and equipment, net 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 Distributions per Class A, B, C and D unit (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Other comprehensive income 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 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] 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 Underlying Asset Class [Axis] Underlying Asset Class [Axis] Nonrelated Party Nonrelated Party [Member] Net Income Net Income Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Oahu Solar LLC Oahu Solar LLC [Member] Oahu Solar Partnership [Member] Net Cash Used in Financing Activities Net Cash Provided by (Used in) Financing Activities Contingencies Commitments and Contingencies Disclosure [Text Block] Retained Earnings Retained Earnings [Member] Less current maturities Long-Term Debt, Current Maturities Total Liabilities and Members’ Equity Liabilities and Equity Other non-current assets Other Assets, Noncurrent 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 gain on derivatives and changes in accumulated OCI/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] 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 Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Daggett 3 Drop Down Daggett 3 Drop Down [Member] Daggett 3 Drop Down Entity Address, City or Town Entity Address, City or Town 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 Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Transfers of assets under common control Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Construction loans Construction Loans [Member] San Juan Mesa San Juan Mesa [Member] San Juan Mesa Payments for the revolving credit facility Repayments of Lines of Credit 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] Long-term debt, including current portion — affiliate Long-term debt Long-Term Debt, Gross Adjustments to reconcile net income 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] 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 Derivative [Line Items] Derivative [Line Items] Noncontrolling Interest AOCI Attributable to Noncontrolling Interest [Member] Distributions to CEG, net of contributions, cash Noncontrolling Interest, Contributions From (Distributions To) Noncontrolling Interest Holders, Cash Noncontrolling Interest, Contributions From (Distributions To) Noncontrolling Interest Holders, Cash 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] Less: Comprehensive income (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 Long Term Debt Current Long Term Debt Current [Member] Long Term Debt Current [Member] Derivative asset Net amount Derivative Asset 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] 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. 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 Mililani I, due 2027 Mililani I, Due 2027 [Member] Mililani I, Due 2027 Net assets less noncontrolling interest Net Assets Document Period End Date Document Period End Date Proceeds from the revolving credit facility Proceeds from Lines of Credit 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] Avenal Avenal [Member] Avenal Tax-related distributions Payments of Tax-related Distributions Payments of Tax-related Distributions 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 Segment Reporting Information [Line Items] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Designated as Hedging Instrument 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] 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 Total operating costs and expenses Expenses from transactions with related party Operating Costs and Expenses Summary of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Distributions paid Limited Partners' Capital Account, Distribution Amount Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] 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 Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Legal Entity [Axis] Legal Entity [Axis] Mililani I Drop Down Mililani I Drop Down [Member] Mililani I Drop Down Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Unrealized gain (loss) on derivatives and changes in accumulated OCI Change in unrealized gains included in earnings for derivatives and other financial instruments held as of June 30, 2023 Unrealized gain (loss) on derivatives, net of tax Unrealized Gain (Loss) on Derivatives Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Comprehensive Income 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 Credit Facility [Domain] Credit Facility [Domain] Purpose [Domain] Purpose [Domain] [Domain] for Purpose [Axis] 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] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Long-term debt — external Total long-term debt Long-Term Debt, Excluding Current Maturities Related and Nonrelated Party Status [Domain] Related and Nonrelated Party Status [Domain] Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy 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 Third Party Investor Third Party Investor [Member] Third Party Investor [Member] Capital expenditures Payments to Acquire Property, Plant, and Equipment Contributed Capital Additional Paid-in Capital [Member] Total Assets Total assets Assets 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] Waiawa Waiawa [Member] Waiawa 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. Fair Value, Recurring Fair Value, Recurring [Member] Common Class D Common Class D [Member] Common Class D [Member] Other non-current liabilities Other Liabilities, Noncurrent Long-term debt, additions Asset Acquisition, Long-term Debt, Additions Asset Acquisition, Long-term Debt, Additions Waiawa, due 2028 Waiawa, Due 2028 [Member] Waiawa, Due 2028 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] Schedule of Accumulated Depreciation and Amortization Schedule of Accumulated Depreciation and Amortization [Table Text Block] Schedule of Accumulated Depreciation and Amortization [Table Text Block] Renewal period Lessee, Operating Lease, Renewal Term Equity Component [Domain] Equity Component [Domain] Distribution paid Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Clearway Energy Organizational Structure Organizational Structure [Table Text Block] Org Structure [Table Text Block] Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Debt Instrument [Line Items] Debt Instrument [Line Items] Development costs Costs Incurred, Development Costs Entity Current Reporting Status Entity Current Reporting Status Operating Income Operating income (loss) Operating Income (Loss) AOCI Including Portion Attributable to Noncontrolling Interest AOCI Including Portion Attributable to Noncontrolling Interest [Member] 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] Consolidated Entities [Domain] Consolidated Entities [Domain] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition Rosie Central BESS Rosie Central BESS [Member] Rosie Central BESS Other Comprehensive Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Payments for asset acquisition Payments for Asset Acquisition Payments for Asset Acquisition Less: Lease revenue Operating Lease, Lease Income Related Party Transaction [Axis] Related Party Transaction [Axis] Total Members’ Equity Balance, beginning of period Balance, end of period Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Segments [Axis] Business Segments [Axis] Segments [Axis] Statement Statement [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Additions due to loss of NPNS exception 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 Utah Solar Holdings, due 2036 Utah Solar Holdings, due 2036 [Member] Utah Solar Holdings, due 2036 Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Interest Interest [Member] Details pertaining to interest rate swaps which are considered a derivative commodity. Noncontrolling Interest Noncontrolling Interest [Member]