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 Less: Lease revenue Operating Lease, Lease Income Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Net Loss Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Related Party Transactions [Abstract] Related Party Transactions [Abstract] Total debt Long-Term Debt, Gross Entity Address, Postal Zip Code Entity Address, Postal Zip Code Derivative asset/liability measurement input Derivative Asset (Liability) Net, Measurement Input DG-CS Master Borrower LLC, due 2040 DG-CS Master Borrower LLC, Due 2040 [Member] DG-CS Master Borrower LLC, Due 2040 Valuation Technique, Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Debt Instrument [Axis] Debt Instrument [Axis] Expenses from transactions with related party Related Party Transaction, Expenses from Transactions with Related Party Borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Receivable [Domain] Receivable [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Current portion of long-term debt Long-Term Debt and Lease Obligation, Current CVSR Holdco Notes, due 2037 CVSR Holdco due 2037 [Member] CVSR Holdco due 2037 [Member] Additional paid-in capital Additional Paid in Capital Walnut Creek, due 2023 Walnut Creek Energy, LLC, due in 2023 [Member] Walnut Creek Energy, LLC, due in 2023 [Member] Conventional Generation Conventional Generation [Member] Conventional Generation [Member] Financial Instruments [Domain] Financial Instruments [Domain] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Rounding Adjustments Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Including Rounding Adjustments Other Payments for (Proceeds from) Other Investing Activities Statistical Measurement [Domain] Statistical Measurement [Domain] Underlying Asset Class [Axis] Underlying Asset Class [Axis] Other Other Debt [Member] Represents other debt instruments not separately accounted disclosed. Interest rate, percentage Debt Instrument, Interest Rate, Stated Percentage Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Schedule of Derivative Gains and Losses Derivative Instruments, Gain (Loss) [Table Text Block] Transaction and integration costs Asset Acquisition, Acquisition Related Costs Asset Acquisition, Acquisition Related Costs Acquisition of Drop Down Assets, net of cash acquired Payment to Acquire Business under Common Control Payment to Acquire Business under Common Control Repayments of debt Repayments of Debt 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] Marsh Landing, due 2023 Marsh Landing Term Loan Facility [Member] Marsh Landing Term Loan Facility [Member] Net Loss Attributable to Clearway Energy, Inc. Net loss attributable to Clearway Energy, Inc. Net Income (Loss) Attributable to Parent Measurement Input Type [Domain] Measurement Input Type [Domain] Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Paid, Per Unit Earnings Per Share [Table] Earnings Per Share [Table] Earnings Per Share Restricted cash Asset Acquisition, Restricted Cash Asset Acquisition, Restricted Cash Subsequent Event Type [Axis] Subsequent Event Type [Axis] Distributions to CEG of escrowed amounts Payments of Distributions to Affiliates Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Nature of Business [Line Items] Basis of Presentation [Line Items] Basis of Presentation [Line Items] 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. Ownership [Axis] Ownership [Axis] Capistrano Wind Portfolio, due 2029 and 2031 Capistrano Wind Portfolio, due 2029 and 2031 [Member] Capistrano Wind Portfolio, due 2029 and 2031 Energy revenue Energy Revenue [Member] Energy Revenue [Member] Investment, Name [Domain] Investment, Name [Domain] SOFR Secured Overnight Financing Rate [Member] Secured Overnight Financing Rate Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Related Party [Domain] Related Party [Domain] Long-term lease liabilities Asset Acquisition, Project Costs Liability To Be Repaid Upon Substantial Project Completion Asset Acquisition, Project Costs Liability To Be Repaid Upon Substantial Project Completion Hedging Designation [Domain] Hedging Designation [Domain] Long-term debt, including current portion Long-Term Debt and Lease Obligation, Including Current Maturities 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] Derivative Instrument [Axis] Derivative Instrument [Axis] 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. Beginning balance Ending balance Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Total other liabilities Liabilities, Noncurrent Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province 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] Contributions from noncontrolling interests, net of distributions, cash Noncontrolling Interest, Increase from Sale of Parent Equity Interest Schedule of Earnings Per Share, Diluted Schedule of Earnings Per Share, Diluted [Table Text Block] Schedule of Earnings Per Share, Diluted Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Derivative asset Net amount Derivative Asset Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Buckthorn Renewables, LLC Buckthorn Renewables, LLC [Member] Buckthorn Renewables, LLC [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Other Income (Expense) Costs and Expenses [Abstract] Agua Caliente Solar LLC, due 2037 Agua Caliente Solar LLC, Due 2037 [Member] Agua Caliente Solar LLC, Due 2037 Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Legal Entity [Axis] Legal Entity [Axis] Total long-term debt Long-Term Debt, Excluding Current Maturities Derivative nonmonetary notional amount (energy measure) Derivative, Nonmonetary Notional Amount, Energy Measure Schedule of Cash and Cash Equivalents [Table] Schedule of Cash and Cash Equivalents [Table] Contributions from CEG, net of distributions, cash Adjustments To Additional Paid In Capital, Distributions Paid Non-Cash, Net Of Contributions Adjustments To Additional Paid In Capital, Distributions Paid Non-Cash, Net Of Contributions Total Liabilities Total liabilities Liabilities Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Cash Flows from Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Position [Axis] Position [Axis] Distribution made to limited liability (LLC) member, distributions declared, per unit (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit Number of wholly owned subsidiaries Number of Wholly Owned Subsidiaries Number of Wholly Owned Subsidiaries Derivative instruments Derivative Liability, Current Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, due 2023 Revolving Credit Facility [Member] Schedule of Accumulated Amortization and Depreciation Property, Plant and Equipment [Table Text Block] Balance at December 31, 2022 Balances at March 31, 2023 Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Preferred stock issued (in shares) Preferred Stock, Shares Issued Document Type Document Type Pinnacle Repowering TE Holdco LLC Pinnacle Repowering HoldCo [Member] Pinnacle Repowering HoldCo Long-term Debt Long-Term Debt [Text Block] Project Level Subsidiaries Project Level Subsidiaries [Member] Project Level Subsidiaries [Member] 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 Return of investment from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Segments [Axis] Segments [Axis] 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. Asset Acquisition [Axis] Asset Acquisition [Axis] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Common Class B Common Class B [Member] 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 Measurement Input, Commodity Forward Price Measurement Input, Commodity Forward Price [Member] Nature of Business [Table] Nature of Business [Table] Nature of Business [Table] Schedule of Offsetting of Derivatives by Counterparty Master Agreement Level and Collateral Received or Paid Offsetting Liabilities [Table Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Rattlesnake TE Holdco LLC Rattlesnake TE Holdco LLC [Member] Rattlesnake TE Holdco LLC Affiliated Entity Affiliated Entity [Member] Consolidation Items [Domain] Consolidation Items [Domain] Subsequent Event Subsequent Event [Member] Schedule of Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Document Period End Date Document Period End Date Common Class C Common Class C [Member] Generational Facilities and District Energy Systems Generational Facilities and District Energy Systems [Member] Generational Facilities and District Energy Systems Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Total Assets Total Assets Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Loss Per Share Attributable to Clearway Energy, Inc. Class A and Class C Common Stockholders Earnings Per Share [Abstract] Add premiums Debt Instrument, Unamortized Premium 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] Development costs Costs Incurred, Development Costs Cash and cash equivalents, held at project subsidiaries Other Cash Equivalents, at Carrying Value Less current maturities Long-Term Debt, Current Maturities Basic and diluted loss per share attributable to Clearway Energy, Inc. common stockholders Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Accounting Policies [Abstract] Thermal Thermal [Member] Represents Thermal segment of the entity. Line of Credit Line of Credit [Member] Power generation capacity, megawatts (over) Power generation capacity, megawatts Power Generation Capacity, Megawatts Power Generation Capacity, Megawatts Stockholders’ Equity Stockholders' Equity Attributable to Parent [Abstract] Prepayments and other current assets Prepaid Expense and Other Assets, Current Loss Before Income Taxes Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segment [Domain] Segments [Domain] Amortization of financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts Due to affiliate Due to Affiliate Loss Per Share Earnings Per Share [Text Block] Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Comprehensive Loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Related Party Transaction Related Party Transaction [Line Items] Tax Equity Bridge Loan Tax Equity Bridge Loan [Member] Tax Equity Bridge Loan Loss on debt extinguishment Loss on debt extinguishment Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Changes in deferred income taxes Increase (Decrease) in Income Taxes 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] Schedule of Estimated Carrying Values and Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Derivative Contract [Domain] Derivative Contract [Domain] Entity Registrant Name Entity Registrant Name Changes in derivative instruments and amortization of accumulated OCI/OCL Increase (Decrease) in Derivative Assets and Liabilities 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. Alta Wind Realty Investments LLC, due 2031 Alta Wind Realty Investments LLC, Due 2031 [Member] Alta Wind Realty Investments LLC, Due 2031 Entity Address, City or Town Entity Address, City or Town Accumulated OCI (OCL) Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Total Stockholders’ Equity Balance at beginning of period Balance at end of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Low Minimum Minimum [Member] Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Restricted cash Restricted cash, current Restricted Cash and Cash Equivalents, Current Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share GenConn Gen Conn Energy LLC [Member] Represents the information pertaining to GenConn Energy LLC. Unrealized loss on derivatives and changes in accumulated OCI, net of tax Change in unrealized losses included in earnings for derivatives and other financial instruments held as of March 31, 2023 Unrealized gain (loss) on derivatives, net of tax Unrealized Gain (Loss) on Derivatives Less net debt issuance costs Debt Issuance Costs, Net Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Investment, Name [Axis] Investment, Name [Axis] Fair Value of Financial Instruments Fair Value Disclosures [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] Trading Symbol Trading Symbol Entity File Number Entity File Number Less: Comprehensive loss attributable to noncontrolling interests and redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Accumulated OCL ending balance, income tax benefit Accumulated Other Comprehensive Income (Loss), Cumulative Change in Gain (Loss) from Cash Flow Hedges, Tax Amount Accumulated Other Comprehensive Income (Loss), Cumulative Change in Gain (Loss) from Cash Flow Hedges, Tax Amount Restricted cash Restricted Cash and Cash Equivalents 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] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Proceeds from the revolving credit facility Proceeds from Lines of Credit Changes in prepaid and accrued liabilities for tolling agreements Changes in Prepaid and Accrued Capacity Payments Changes in Prepaid and Accrued Capacity Payments Use of Estimates Use of Estimates, Policy [Policy Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Total operating revenues Operating revenues Revenues Unrealized (loss) gain on derivatives and changes in accumulated OCI/OCL, net of income tax (benefit) expense, of $(1) and $2 Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] Income Taxes Income Tax Disclosure [Text Block] Other current and non-current liabilities (b) Asset Acquisition, Liabilities, Other Current and Noncurrent Asset Acquisition, Liabilities, Other Current and Noncurrent Credit Facility [Domain] Credit Facility [Domain] Loss per weighted average common share — basic (in dollars per share) Earnings Per Share, Basic Distributions to CEG, net of contributions, cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders, Cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders, Cash Statement of Stockholders' Equity Schedule of Capitalization, Equity [Line Items] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Corporate Corporate, Non-Segment [Member] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of 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(Decrease) in Operating Capital [Abstract] Debt Service Obligations Debt Service Obligations [Member] Debt Service Obligations [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition [Line Items] Schedule of Asset Acquisition Retained Earnings Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Transfers of assets under common control Transfers of Assets under Common Control Transfers of Assets under Common Control Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Common Stock Common Stock [Member] Receivable Type [Axis] Receivable Type [Axis] Schedule of Earnings Per Share, Basic Schedule of Earnings Per Share, Basic [Table Text Block] Schedule of Earnings Per Share, Basic Class of Stock [Axis] Class of Stock [Axis] Statement [Table] Statement [Table] Document Quarterly Report Document Quarterly Report 2031 Senior Notes Senior Notes, 3 Point 750 Percent, Due 2031 [Member] Senior Notes, 3 Point 750 Percent, Due 2031 Letter of Credit Letter of Credit [Member] Earnings Per Share [Line Items] Earnings Per Share [Line Items] Earnings Per Share Current Assets Assets, Current [Abstract] Long-term lease liabilities Operating Lease, Liability, Noncurrent Cash Distribution Cash Distribution [Member] Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Other Financial Instruments Solar Renewable Energy Credits And Other Financial Instruments [Member] Solar Renewable Energy Credits And Other Financial Instruments Related Party Transaction [Axis] Related Party Transaction [Axis] Retained earnings Retained Earnings (Accumulated Deficit) Disposal Group Name [Axis] Disposal Group Name [Axis] Accounts receivable — trade Accounts Receivable, after Allowance for Credit Loss, Current Equity Components [Axis] Equity Components [Axis] Contributions from noncontrolling interests, net of distributions Proceeds from noncontrolling interests Proceeds from Noncontrolling Interests Fair Value, Recurring Fair Value, Recurring [Member] Related Party Transactions Related Party Transactions Disclosure [Text Block] Lighthouse Renewable Holdco 2 LLC Lighthouse Renewable Holdco 2 LLC [Member] Lighthouse Renewable Holdco 2 LLC Document Fiscal Year Focus Document Fiscal Year Focus Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Statement Statement [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] 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 Total other expense, net Nonoperating Income (Expense) Variable Rate [Domain] Variable Rate [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Long-term debt Asset Acquisition, Long-term Debt Asset Acquisition, Long-term Debt Power purchase agreement period (in years) Power Purchase Agreement Period Represents the period of power purchase agreement Renewables Renewables [Member] Renewables [Member] Right-of-use assets, net Operating Lease, Right-of-Use Asset Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Desert Sunlight Desert Sunlight [Member] Desert Sunlight Accounts receivable, net - Leases Lease Agreements [Member] Sponsor Equity Bridge Loan Sponsor Equity Bridge Loan [Member] Sponsor Equity Bridge Loan Document Transition Report Document Transition Report Local Phone Number Local Phone Number Operating Income (Loss) Operating income (loss) Operating Income (Loss) Other revenue Products And Services, Other [Member] Products And Services, Other [Member] Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Other Cost and Expense, Operating WCEP Holdings, LLC, due 2023 WCEP Holdings LLC, Due 2023 [Member] WCEP Holdings LLC, Due 2023 Viento Funding II, LLC, due 2029 Viento Funding II, LLC Due 2023 and 2029 [Member] Viento Funding II, LLC Due 2023 and 2029 Position [Domain] Position [Domain] Common stock outstanding (in shares) Common Stock, Shares, Outstanding Total liabilities assumed Asset Acquisition, Liabilities Assumed Asset Acquisition, Liabilities Assumed Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Income tax benefit Income Tax Expense (Benefit) Rosie Class B LLC, due 2027 Rosie Class B LLC, Due 2027 [Member] Rosie Class B LLC, Due 2027 Deferred income taxes Deferred Income Tax Liabilities, Net Par value - preferred stock (in usd per share) Preferred Stock, Par or Stated Value Per Share Income Statement [Abstract] Income Statement [Abstract] Additional Paid-In Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus 2032 Senior Notes Senior Notes, 3 Point 750 Percent, Due 2032 [Member] Senior Notes, 3 Point 750 Percent, Due 2032 Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Derivative [Line Items] Derivative [Line Items] Weighted average number of common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Derivative liability Derivative liability, Net Amount Derivative Liability Property, Plant and Equipment Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Derivative Liabilities Derivative liabilities, gross Derivative Liability, Subject to Master Netting Arrangement, before Offset Schedule of Capitalization, Equity [Table] Schedule of Capitalization, Equity [Table] RENOM RENOM [Member] RENOM [Member] Common stock, dividends, per share, cash paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Class A, Class B, Class C and Class D common stock, $0.01 par value; 3,000,000,000 shares authorized (Class A 500,000,000, Class B 500,000,000, Class C 1,000,000,000, Class D 1,000,000,000); 201,972,813 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,283,460, Class D 42,336,750) at March 31, 2023 and 201,972,813 shares issued and outstanding (Class A 34,613,853, Class B 42,738,750, Class C 82,283,460, Class D 42,336,750) at December 31, 2022 Common Stock, Value, Issued Carrying Amount Reported Value Measurement [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Preferred Stock Preferred Stock [Member] 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 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] Schedule of Fair Value, Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Operating Segments Operating Segments [Member] Gains expected to be realized from OCI during the next 12 months, net of income tax expense of $1 Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Oahu Solar Holdings LLC, due 2026 Oahu Solar Holdings LLC, due 2026 [Member] Oahu Solar Holdings LLC, due 2026 [Member] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized 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 Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Contingencies Commitments and Contingencies Disclosure [Text Block] Current Liabilities Liabilities, Current [Abstract] Proceeds from the issuance of long-term debt Proceeds from Issuance of Long-Term Debt Rosie TargetCo LLC Rosie TargetCo LLC [Member] Rosie TargetCo LLC Equity Method Investments Equity Method Investments [Table Text Block] Common stock issued (in shares) Common Stock, Shares, Issued Equity investments in affiliates Investment Balance Equity Method Investments Unrealized gain on derivatives, income tax expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Gains expected to be realized from OCL during the next 12 months, tax expense Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Tax The estimated tax impact of existing gains or losses on cash flow hedges, at the reporting date, which are expected to be reclassified to earnings within the next 12 months. Transaction and integration costs Business Combination, Acquisition Related Costs 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] Amendment Flag Amendment Flag Net Cash Used in Investing Activities Net Cash Provided by (Used in) Investing Activities Commodity Contracts Energy Related Derivative [Member] Power Power [Member] Details pertaining to the power, which is considered as a derivative commodity. Other comprehensive (loss) income Mark-to-market of cash flow hedge accounting contracts Other Comprehensive Income (Loss), Net of Tax Comprehensive Loss Attributable to Clearway Energy, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Buckthorn Solar, due 2025 Buckthorn Solar, due 2025 [Member] Buckthorn Solar, due 2025 [Member] Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Subtotal project-level debt Project Level Debt [Member] Project Level Debt [Member] Entity Current Reporting Status Entity Current Reporting Status Other non-current assets Other Assets, Noncurrent Carlsbad Energy Holdings LLC, due 2038 Carlsbad Energy Holdings LLC, Due 2038 [Member] Carlsbad Energy Holdings LLC, Due 2038 Daggett 3, due 2023 and 2028 Daggett 3, due 2023 and 2028 [Member] Daggett 3, due 2023 and 2028 Depreciation, amortization and accretion Depreciation, Depletion and Amortization Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] 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 Derivative assets Asset Acquisition, Derivative Assets Asset Acquisition, Derivative Assets Operating Costs and Expenses Operating Costs and Expenses [Abstract] Commodity contracts Commodity Contract [Member] Elkhorn Ridge Elkhorn Ridge [Member] Elkhorn Ridge Borrego, due 2024 and 2038 Borrego, Due 2024 and 2038 [Member] Borrego, Due 2024 and 2038 Counterparty Name [Axis] Counterparty Name [Axis] Derivative [Table] Derivative [Table] Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Waiawa Drop Down Waiawa Drop Down [Member] Waiawa Drop Down Net assets acquired less noncontrolling interest Net assets acquired Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 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 Property, plant and equipment, net Property, plant and equipment Property, Plant and Equipment, Net Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Power Generation Facilities by Type [Domain] Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Payments for long-term debt Repayments of Long-Term Debt CVSR, due 2037 CVSR Financing Agreement [Member] CVSR Financing Agreement [Member] Schedule of Dividends Declared Dividends Declared [Table Text Block] 2028 Senior Notes 4.75% Senior Notes due 2028 [Member] 4.75% Senior Notes due 2028 Commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Other income, net Other income, net Other Nonoperating Income (Expense) Common stock, authorized (in shares) Common Stock, Shares Authorized Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Carlsbad Holdco, LLC, due 2038 Carlsbad Holdco, LLC, due 2038 [Member] Carlsbad Holdco, LLC, due 2038 Other Assets Assets, Noncurrent [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] High Maximum Maximum [Member] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Outstanding borrowings Line of Credit Facility, Fair Value of Amount Outstanding 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 Short Short [Member] Common Class A Common Class A [Member] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total current assets Assets, Current Derivatives Designated as Cash Flow Hedges: Designated as Hedging Instrument [Member] Oahu Solar LLC Oahu Solar LLC [Member] Oahu Solar Partnership [Member] Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Reduction in carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Amortization Expense Common stock, dividends, per share, declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Operating Revenues Revenues [Abstract] Intangible assets for power purchase agreements, net Intangible assets Finite-Lived Intangible Assets, Net Summary of Significant Accounting Policies Significant Accounting Policies [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 Expected contributions upon substantial completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Long Long [Member] Title of 12(b) Security Title of 12(b) Security Daggett 3 Drop Down Daggett 3 Drop Down [Member] Daggett 3 Drop Down Consolidated Entities [Axis] Consolidated Entities [Axis] Alternative Energy Alternative Energy [Member] Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Total operating costs and expenses Costs and Expenses Payments for the revolving credit facility Repayments of Lines of Credit Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Derivative instruments Derivative Asset, Noncurrent Lighthouse Renewable Holdco LLC Lighthouse Renewable Holdco LLC [Member] Lighthouse Renewable Holdco LLC Accrued interest expense Interest Payable Class of Stock [Line Items] Class of Stock [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Payments of debt issuance costs Payments of Debt Issuance Costs Segment Reporting Segment Reporting Disclosure [Text Block] Alta TE Holdco LLC Alta X and XI TE Holdco [Member] Alta X and XI TE Holdco [Member] Non-cash adjustments for change in tax basis Adjustments to Additional Paid in Capital, Other Term Loan Term Loan [Member] Term Loan LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Fair Value Estimate of Fair Value Measurement [Member] San Juan Mesa San Juan Mesa [Member] San Juan Mesa Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Inventory Inventory, Net Accounts payable — trade Accounts Payable, Current Other Comprehensive (Loss) Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Alta Wind Asset Management LLC, due 2031 Alta Wind Asset Management LLC, Due 2031 [Member] Alta Wind Asset Management LLC, Due 2031 Other Other Consolidated Variable Interest Entities [Member] Other Consolidated Variable Interest Entities Entity Filer Category Entity Filer Category Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Weighted average number of common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Carlsbad Energy Holdings LLC, due 2027 Carlsbad Energy Holdings LLC, due 2027 [Member] Carlsbad Energy Holdings LLC, due 2027 Economic Interest Equity Method Investment, Ownership Percentage Commitments and Contingencies Commitments and Contingencies Long Term Debt Current Long Term Debt Current [Member] Long Term Debt Current [Member] Security Exchange Name Security Exchange Name Purpose [Axis] Purpose [Axis] Purpose Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member] Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind [Member] Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Derivative, notional amount Derivative, Notional Amount Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net assets less noncontrolling interest Net Assets Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued Property, plant and equipment Property, Plant and Equipment, Additions, Net Property, Plant and Equipment, Additions, Net Redeemable noncontrolling interest in subsidiaries Redeemable Noncontrolling Interest, Equity, Carrying Amount Letters of credit outstanding Letters of credit outstanding Letters of Credit Outstanding, Amount DGPV Funds DGPV Holdco 3 [Member] DGPV Holdco 3 [Member] Schedule of Asset Acquisition Schedule Of Asset Acquisition [Table Text Block] Schedule Of Asset Acquisition Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Operating Funds Operating Funds [Member] Operating Funds [Member] CEG CEG [Member] CEG [Member] Tax Equity Investors Tax Equity Investors [Member] Tax Equity Investors [Member] 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. Other Liabilities Liabilities, Noncurrent [Abstract] Cover page. Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Total other assets Other current and non-current assets Other Assets Segment Reporting [Abstract] Segment Reporting [Abstract] Clearway Energy LLC Clearway Energy LLC [Member] Clearway Energy LLC [Member] Noncontrolling Interest Noncontrolling Interest [Member] Derivative instruments Derivative Asset, Current Mililani I, due 2027 Mililani I, due 2027 [Member] Mililani I, due 2027 Public Shareholders Public Shareholders [Member] Public Shareholders Total Liabilities and Stockholders’ Equity Liabilities and Equity Reclassification of Cash to Assets Held-for-Sale Reclassification of Cash to Assets Held-for-Sale Reclassification of Cash to Assets Held-for-Sale Related Party [Axis] Related Party [Axis] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Summary of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Avenal Avenal [Member] Avenal Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Derivatives Not Designated as Cash Flow Hedges: Not Designated as Hedging Instrument [Member] Disposal Group Name [Domain] Disposal Group Name [Domain] Accounts receivable, net - Contracts with customers Customer Contracts [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Loss per weighted average common share — diluted (in dollars per share) Earnings Per Share, Diluted Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, due 2028 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 NIMH Solar, due 2024 NIMH Solar, due 2024 [Member] NIMH Solar, due 2024 Payments for other fees Payments for Other Fees Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation Items [Axis] Consolidation Items [Axis] Total current liabilities Liabilities, Current Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Derivative Assets Derivative assets, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Daggett Renewable Holdco LLC (b) Daggett Renewable Holdco LLC [Member] Daggett Renewable Holdco LLC Entity Address, Address Line One Entity Address, Address Line One Purpose [Domain] Purpose [Domain] Purpose Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Right-of-use-assets, net Asset Acquisition, Right-of-use asset Asset Acquisition, Right-of-use asset Other Proceeds from (Payments for) Other Financing Activities Administrative Services Agreement Administrative Services Agreement [Member] Administrative Services Agreement [Member] Product and Service [Axis] Product and Service [Axis] Class of Stock [Domain] Class of Stock [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Interest expense Interest expense Interest Expense Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Credit Facility [Axis] Credit Facility [Axis] Long-term debt Long-Term Debt and Lease Obligation Langford TE Partnership LLC Langford TE Partnership LLC [Member] Langford TE Partnership LLC Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Third Party Investor Third Party Investor [Member] Third Party Investor [Member] Construction loans Construction Loans [Member] Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Entity Tax Identification Number Entity Tax Identification Number Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Summary of Disaggregation of Revenue Disaggregation of Revenue [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. Underlying Asset Class [Domain] Underlying Asset Class [Domain] Consolidated Entities [Domain] Consolidated Entities [Domain] Common Class D Common Class D [Member] Common Class D [Member] Schedule of Reconciliation of the U.S. Federal Statutory Rate to the Company's Effective Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect 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] Other intangible assets, net Other Intangible Assets, Net Entity Central Index Key Entity Central Index Key Scchedule of Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Accrued expenses and other current liabilities Other Accrued Liabilities, Current Measurement Input Type [Axis] Measurement Input Type [Axis] Entity [Domain] Entity [Domain] Company Structure Organizational Structure [Table Text Block] Org Structure [Table Text Block] City Area Code City Area Code ASSETS Assets [Abstract] General and administrative General and administrative expense General and Administrative Expense Changes in other working capital Increase (Decrease) in Other Operating Assets and Liabilities, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Payments of dividends and distributions Payments of Ordinary Dividends Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition [Table] Schedule of Asset Acquisition Variable Rate [Axis] Variable Rate [Axis] Other non-current liabilities Other Liabilities, Noncurrent Interest rate contracts Interest Rate Contract [Member] Payments for asset acquisition Payments for Asset Acquisition Payments for Asset Acquisition Investments Accounted for by the Equity Method and Variable Interest Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Equity in (losses) earnings of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Equity in earnings (losses) of unconsolidated affiliates Income (Loss) from Equity Method Investments Capital expenditures Payments to Acquire Property, Plant, and Equipment 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 Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Weighted Average Weighted Average [Member] Interest Interest [Member] Details pertaining to interest rate swaps which are considered a derivative commodity. Nature of Business Business Description and Basis of Presentation [Text Block] Derivative instruments Derivative Liability, Noncurrent