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September 30, 2042 Maturity - September 30, 2042 [Member] Maturity - September 30, 2042 Derivative liabilities Derivative liabilities, gross Derivative Liability, Subject to Master Netting Arrangement, before Offset RENOM RENOM [Member] RENOM [Member] Payments for asset acquisition, net cash outflow Payments for Asset Acquisition, Net Cash Outflow Payments for Asset Acquisition, Net Cash Outflow 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 December 31, 2022 and 201,856,166 shares issued and outstanding (Class A 34,599,645, Class B 42,738,750, Class C 81,779,021, Class D 42,738,750) at December 31, 2021 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 December 31, 2022 and 201,856,166 shares issued and outstanding (Class A 34,599,645, Class B 42,738,750, Class C 81,779,021, Class D 42,738,750) at December 31, 2021 Common Stock, Value, Issued Contracts acquired Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Preferred Stock Preferred Stock [Member] Deferred Tax Assets, Gross [Abstract] Deferred Tax Assets, Gross [Abstract] Charged to other accounts SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account 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] Oahu Solar Holdings LLC, due 2026 Oahu Solar Holdings LLC, due 2026 [Member] Oahu Solar Holdings LLC, due 2026 [Member] 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 Current Liabilities Liabilities, Current [Abstract] Walnut Creek Walnut Creek [Member] Walnut Creek [Member] Facilities and equipment Support Equipment and Facilities [Member] Repowering Partnership LLC Repowering Partnership LLC [Member] Repowering Partnership LLC [Member] Power purchase remaining agreement period Power Purchase Remaining Agreement Period Power Purchase Remaining Agreement Period Amendment Flag Amendment Flag Operating lease cost Operating Lease, Cost Commodity Contracts Energy Related Derivative [Member] Power Power [Member] Details pertaining to the power, which is considered as a derivative commodity. SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Other comprehensive income Mark-to-market of cash flow hedge accounting contracts Other Comprehensive Income (Loss), Net of Tax WCEP Holdings WCEP Holdings [Member] WCEP Holdings [Member] Buckthorn Solar, due 2025 Buckthorn Solar, due 2025 [Member] Buckthorn Solar, due 2025 [Member] Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Subtotal non-recourse project-level debt Project Level Debt [Member] Project Level Debt [Member] Construction in Progress Construction in Progress [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other non-current assets Other Assets, Noncurrent Total Energies Total Energies [Member] Total Energies Kawailoa Solar Portfolio LLC, due 2026 Kawailoa Solar Holdings LLC, due 2026 [Member] Kawailoa Solar Holdings LLC, due 2026 [Member] Company Organization Chart Company Organization Chart [Table Text Block] Company Organization Chart [Table Text Block] Depreciation, amortization and accretion Depreciation, Depletion and Amortization Other Investments, Other [Member] Investments, Other [Member] Kawailoa Solar Partnership LLC Kawailoa Solar Partnership LLC [Member] Kawailoa Solar Partnership LLC [Member] 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 Operating Costs and Expenses Operating Costs and Expenses [Abstract] Commodity contracts Commodity Contract [Member] Lease period Lessee, Operating Lease, Term of Contract Counterparty Name [Axis] Counterparty Name [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Unamortized debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net 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 Cash paid for operating leases Operating Lease, Payments Payments for long-term debt Repayments of Long-Term Debt Laredo Ridge, due 2028 Laredo Ridge Wind, LLC, due in 2028 [Member] Laredo Ridge Wind, LLC, due in 2028 [Member] Viento Funding II Viento Funding II [Member] Viento Funding II [Member] Cash distributions Proceeds from Dividends Received Business acquisition, consideration transferred, working capital Business Acquisition, Consideration Transferred, Working Capital Business Acquisition, Consideration Transferred, Working Capital Common stock, shares authorized (in shares) Common Stock, Shares Authorized Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total operating costs and expenses Operating Expenses Maximum Maximum [Member] Condensed Financial Information of Registrant Condensed Financial Information of Parent Company Only Disclosure [Text Block] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Derivatives Designated as Cash Flow Hedges: Designated as Hedging Instrument [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Laredo Ridge, Due 2028; Tapestry Wind, LLC, Due 2031; and Viento Funding II, LLC, Due 2023 Laredo Ridge, Due 2028; Tapestry Wind, LLC, Due 2031; and Viento Funding II, LLC, Due 2023 [Member] Laredo Ridge, Due 2028; Tapestry Wind, LLC, Due 2031; and Viento Funding II, LLC, Due 2023 Buyout of Repowering Partnership II LLC noncontrolling interest Payments of Capital Distribution PacifiCorp PacifiCorp [Member] PacifiCorp Expected contributions upon substantial completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Proceeds from Noncontrolling Interests, Expected Upon Substantial Completion Title of 12(b) Security Title of 12(b) Security ATM Programs ATM Programs [Member] ATM Programs Daggett 3 Drop Down Daggett 3 Drop Down [Member] Daggett 3 Drop Down Condensed Financial Statements [Table] Condensed Financial Statements [Table] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Payments for the revolving credit facility Payments for the revolving credit facility Repayments of Lines of Credit Derivative instruments Derivative Asset, Noncurrent Pinnacle Repowering TE Holdco Pinnacle Repowering Partnership HoldCo LLC [Member] Pinnacle Repowering Partnership HoldCo LLC Segment Reporting Segment Reporting Disclosure [Text Block] Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Asset Acquisition Carrying Value Basis Difference Asset Acquisition Carrying Value Basis Difference Asset Acquisition Carrying Value Basis Difference Non-cash adjustment for change in tax basis Adjustments to Additional Paid in Capital, Other Term Loan Term Loan [Member] Term Loan Total deferred tax liabilities Deferred Tax Liabilities, Net LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Estimate of Fair Value Measurement 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 Income Tax Authority [Axis] Income Tax Authority [Axis] Disposition, intangible assets, percent Disposal Group, Including Discontinued Operations, Intangible Assets, Percent Disposal Group, Including Discontinued Operations, Intangible Assets, Percent Asset acquisition, cash and cash equivalents and restricted Cash Asset Acquisition, Cash and Cash Equivalents and Restricted Cash Asset Acquisition, Cash and Cash Equivalents and Restricted Cash Other Other Consolidated Variable Interest Entities [Member] Other Consolidated Variable Interest Entities [Member] Proceeds from the issuance of common stock Proceeds from Issuance of Common Stock Weighted average number of shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic 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 Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Gain on sale of asset Gain (Loss) on Disposition of Assets 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] 2028 Senior Notes 4.75% Senior Notes due 2028 [Member] 4.75% Senior Notes due 2028 [Member] Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Notional amount Derivative, Notional Amount Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred stock, $0.01 par value; 10,000,000 shares authorized; none issued Preferred Stock, Value, Issued 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 Schedule Of Asset Acquisition Schedule Of Asset Acquisition [Table Text Block] Schedule Of Asset Acquisition Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Schedule of Long-term Debt Schedule of Debt [Table Text Block] CEG CEG [Member] CEG [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Tax Equity Investors Tax Equity Investors [Member] Tax Equity Investors [Member] Wildorado TE Holdco 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. Debt, Current Debt, Current Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Sale-Leaseback Arrangements Lessee, Leases [Policy Text Block] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Non-current assets Assets, Noncurrent Noncontrolling Interest, Decrease from Special Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Special Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Special Distributions to Noncontrolling Interest Holders 2024 Lessor, Operating Lease, Payment to be Received, Year Two Lighthouse Partnership Yield Protection Agreement Adjustment To Additional Paid-In Capital, Consolidated Entity Investment Guarantee Adjustment To Additional Paid-In Capital, Consolidated Entity Investment Guarantee Non-controlling Interest Noncontrolling Interest [Member] Interest expense disallowance carryforward - Investment in Projects Deferred Tax Assets, Interest Expense Disallowed Carryforward - investments in Projects Deferred Tax Assets, Interest Expense Disallowed Carryforward - investments in Projects Retained earnings, undistributed earnings from equity method investees Retained Earnings, Undistributed Earnings from Equity Method Investees Schedule of Company's Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Related Party [Axis] Related Party [Axis] Utah Solar Portfolio Utah Solar Portfolio [Member] Utah Solar Portfolio Summary of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] [Line Items] for Summary of Significant Accounting Policies [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Customer Contracts Customer Contracts [Member] Disposal Group Name [Domain] Disposal Group Name [Domain] Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Cash received from notes receivable — affiliate Proceeds from Collection of Notes Receivable Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Debt Issuance Costs Debt, Policy [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility [Member] Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility Other Financial Instrument Other Financial Instrument [Member] Other Financial Instrument Payments for other fees Payments for Other Fees Global Infrastructure Partners Global Infrastructure Partners [Member] Global Infrastructure Partners Property, Plant, and Equipment Net Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block] Lessor, Operating Leases, Property, Plant and Equipment [Table Text Block] Accretion expense Asset Retirement Obligation, Accretion Expense Loss on disposal of asset components Gain (Loss) on Disposition of Property Plant Equipment Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Total current liabilities Current liabilities Liabilities, Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Income Tax Expense (Benefit), Continuing Operations [Abstract] NOL carryforward subject to expire in 2037 if unutilized Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Loss on extinguishment of deferred financing fees Gain (Loss) On Extinguishment Of Deferred Financing Fees Gain (Loss) On Extinguishment Of Deferred Financing Fees Number of utility-scale solar farms Number of Utility-Scale Solar Farms Number of Utility-Scale Solar Farms Summary of Swaps Related to the Company's Project Level Debt Schedule of Derivative Instruments [Table Text Block] Schedule of Customers Accounting for More Than 10% of Revenue Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Rate change Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Income Tax Authority [Domain] Income Tax Authority [Domain] Cost of operations, exclusive of depreciation, amortization and accretion shown separately below Cost of Revenue Other Proceeds from (Payments for) Other Financing Activities Administrative Services Agreements Administrative Services Agreement [Member] Administrative Services Agreement [Member] Distribution Type [Axis] Distribution Type [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Long-term debt Long-Term Debt and Lease Obligation Langford TE Partnership LLC Langford TE Partnership LLC [Member] Langford TE Partnership LLC Equity [Abstract] Third Party Investor Third Party Investor [Member] Third Party Investor [Member] Cash received from Clearway Energy LLC for tax-related distributions Proceeds from Affiliates, Tax Related Distributions Proceeds from Affiliates, Tax Related Distributions Entity Tax Identification Number Entity Tax Identification Number Fixed interest rate Derivative, Fixed Interest Rate State taxes assessed at subsidiaries Effective Income Tax Rate Reconciliation, State Taxes Assessed at Subsidiary Effective Income Tax Rate Reconciliation, State Taxes Assessed at Subsidiary 5.00% Senior Notes due in 2026 5.00% Senior Notes due in 2026 [Member] 5.00% Senior Notes due in 2026 [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Common Class D Common Class D [Member] Common Class D [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [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 in Cash, Cash Equivalents and Restricted Cash Net Decrease in Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Other intangible assets, net Other Intangible Assets, Net Entity Central Index Key Entity Central Index Key Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Derivative liability, measurement input Derivative Liability, Measurement Input Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Measurement Input Type [Axis] Measurement Input Type [Axis] Entity [Domain] Entity [Domain] NIMH Solar LLC NIMH Solar LLC [Member] NIMH Solar LLC City Area Code City Area Code ASSETS Assets [Abstract] Changes in other working capital Increase (Decrease) in Other Operating Assets and Liabilities, Net Sale of Stock [Axis] Sale of Stock [Axis] Maturity - September 30, 2027 Maturity - September 30, 2027 [Member] Maturity - September 30, 2027 Tax-related distributions Tax Related Distributions Tax Related Distributions 2023 Long-Term Debt, Maturity, Year One Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Investments in unconsolidated affiliates Payments to acquire equity method investments Payments to Acquire Equity Method Investments Variable Rate [Axis] Variable Rate [Axis] Other non-current liabilities Other non-current liabilities Other Liabilities, Noncurrent Covenant borrower interest coverage ratio Debt Instrument, Covenant, Borrower Interest Coverage Ratio Debt Instrument, Covenant, Borrower Interest Coverage Ratio Interest rate contracts Interest Rate Contract [Member] Equity in earnings of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Equity in earnings of unconsolidated affiliates Income (Loss) from Equity Method Investments Other Effective Income Tax Rate Reconciliation, Tax Contingency, Other, Amount Oahu Solar Oahu Solar Holdings LLC Debt [Member] Oahu Solar Holdings LLC Debt [Member] Capital expenditures Payments to Acquire Property, Plant, and Equipment Utah Solar Holdings, due 2036 Utah Solar Holdings, due 2036 [Member] Utah Solar Holdings, due 2036 Escrow amount Escrow Deposit Weighted Average Weighted Average [Member] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Schedule of Reconciliation of the Company's Basic (Loss) Earnings Per Share to Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] 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] Customer [Domain] Customer [Domain] Nature of Business [Line Items] Nature of Business [Line Items] [Line Items] for Nature of Business [Table] 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 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total lease payments Lessee, Operating Lease, Liability, to be Paid Net Income (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Number of renewal options Lessee, Operating Lease, Number of Renewal Options Lessee, Operating Lease, Number of Renewal Options Agua Caliente Solar, LLC, Nonrecourse Credit Agreement, Federal Financing Bank, Due 2037 Agua Caliente Solar, LLC, Nonrecourse Credit Agreement, Federal Financing Bank, Due 2037 [Member] Agua Caliente Solar, LLC, Nonrecourse Credit Agreement, Federal Financing Bank, Due 2037 Entity Address, Postal Zip Code Entity Address, Postal Zip Code 2024 Long-Term Debt, Maturity, Year Two Asset Acquisitions Business Combinations Policy [Policy Text Block] SOFR and Applicable Margin SOFR and Applicable Margin [Member] SOFR and Applicable Margin Refundable tax credit receivable Refundable Tax Credit Receivable Refundable Tax Credit Receivable Incurred expenses for transactions with related party Related Party Transaction, Expenses from Transactions with Related Party 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 Proceeds from issuance or sale of equity Proceeds from Issuance or Sale of Equity Disposal Group, Including Discontinued Operation, Noncontrolling Interest Increase (Decrease) Disposal Group, Including Discontinued Operation, Noncontrolling Interest Increase (Decrease) Disposal Group, Including Discontinued Operation, Noncontrolling Interest Increase (Decrease) Other Payments for (Proceeds from) Other Investing Activities Statistical Measurement [Domain] Statistical Measurement [Domain] Cash and cash equivalents Asset Acquisition, Cash and Cash Equivalents Asset Acquisition, Cash and Cash Equivalents Payments for asset acquisition, net of purchase price adjustments Payments for Asset Acquisition, Net of Purchase Price Adjustments Payments for Asset Acquisition, Net of Purchase Price Adjustments Other Other Debt [Member] Represents other debt instruments not separately accounted disclosed. Asset acquisition, net cash outlfow Payments to Acquire Asset, Net of Cash Acquired and Purchase Price Adjustments Payments to Acquire Asset, Net of Cash Acquired and Purchase Price Adjustments Carlsbad Holdco, LLC, due 2038 Carlsbad Holdco, due 2038 [Member] Carlsbad Holdco, due 2038 Aggregate principal amount repurchased 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] Guarantees Guarantees, Indemnifications and Warranties Policies [Policy Text Block] Net Income Attributable to Clearway Energy, Inc. Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Other Other Intangible Assets [Member] Non-cash (distributions to), contributions from CEG Payment of capital distributions and returns of capital, net of capital distributions, non-cash Payment of capital distributions and returns of capital, net of capital distributions, non-cash Schedule of Annual Payments Based on the Maturities of NRG Yield's Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Restricted cash Asset Acquisition, Restricted Cash Asset Acquisition, Restricted Cash Subsequent Event Type [Axis] Subsequent Event Type [Axis] Borrego, due 2024 and 2038 Borrego, due 2034 and 2035 [Member] Borrego, due 2034 and 2035 Scenario [Axis] Scenario [Axis] Debt instrument, redemption price, percentage Debt Instrument, Redemption Price, Percentage 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. Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Total assets Assets, Fair Value Disclosure Capistrano Wind Portfolio, due 2029 and 2031 Capistrano Wind Portfolio, due 2029 and 2031 [Member] Capistrano Wind Portfolio, due 2029 and 2031 5.75% Senior Notes due 2025 5.75% Senior Notes due 2025 [Member] 5.75% Senior Notes due 2025 [Member] Leases Lessee, Operating Leases [Text Block] Long-term debt, including current portion Long-Term Debt and Lease Obligation, Including Current Maturities Commodity contracts current Commodity Contract Current [Member] Commodity Contract Current Forecast Annual Generation Levels of Certain DG Solar Facilities Forecast Annual Generation Levels Of Certain DG Solar Facilities [Member] Forecast Annual Generation Levels Of Certain DG Solar Facilities Derivative Instrument [Axis] Derivative Instrument [Axis] Other current and non-current liabilities Asset Acquisition, Account Payable and Other Current Liabilities Asset Acquisition, Account Payable and Other Current Liabilities Waiawa, due 2023 and 2028 Waiawa, due 2023 [Member] Waiawa, due 2023 State net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Tapestry Wind LLC, due 2031 Tapestry Wind LLC due in 2031 [Member] Tapestry Wind LLC due in 2031 [Member] 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] Power procurement arrangements Utilities Operating Expense, Purchased Power under Long-Term Contracts New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Net Cash (Used in) Provided by Operating Activities Net Cash (Used in) Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities 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 Property, Plant and Equipment Property, Plant and Equipment [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Other current assets Asset Acquisition, Other Assets, Current Asset Acquisition, Other Assets, Current Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Document Annual Report Document Annual Report Removal of restricted cash Disposal Group, Including Discontinued Operation, Restricted Cash Increase (Decrease) Disposal Group, Including Discontinued Operation, Restricted Cash Increase (Decrease) Black Rock Drop Down Black Rock Drop Down [Member] Black Rock Drop Down Legal Entity [Axis] Legal Entity [Axis] Notional amount, energy measure Derivative, Nonmonetary Notional Amount, Energy Measure Cash received from Clearway Energy LLC for the payment of dividends Proceeds from Contributions from Affiliates Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Net proceeds from the issuance of common stock under the ATM Program Stock Issued During Period, Value, New Issues Derivative instruments Derivative Liability, Current Carlsbad Energy Holdings Carlsbad Energy Holdings [Member] Carlsbad Energy Holdings Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Balance at December 31, 2021 Balances at December 31, 2022 Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Preferred stock, issued (in shares) Preferred Stock, Shares Issued Accumulated depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation Return of investment from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Segments [Axis] Segments [Axis] 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 Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Common Class B Common Class B [Member] Total losses for the period included in earnings Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Measurement Input, Commodity Forward Price Measurement Input, Commodity Forward Price [Member] Current assets Asset Acquisition, Current Assets Asset Acquisition, Current Assets 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Financial Instrument [Axis] Financial Instrument [Axis] Agua Caliente Acquisition Agua Caliente [Member] Agua Caliente Wind Power Generation and Storage Wind Power Generation and Storage [Member] Wind Power Generation and Storage 2025 Long-Term Debt, Maturity, Year Three Affiliated Entity Affiliated Entity [Member] Marsh Landing Marsh Landing [Member] Marsh Landing [Member] Subsequent Event Subsequent Event [Member] Consolidation Items [Domain] Consolidation Items [Domain] Document Period End Date Document Period End Date 2027 Lessor, Operating Lease, Payment to be Received, Year Five 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 Total Assets Total Assets Total Assets Assets Earnings 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 Interest Rate Swap Interest Rate Swap [Member] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five Thermal Thermal [Member] Represents Thermal segment of the entity. Power generation capacity, megawatts Power Generation Capacity, Megawatts Power Generation Capacity, Megawatts Income (Loss) Before Income Taxes Income (Loss) Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] Amortization of financing costs and debt discounts Amortization of Debt Issuance Costs and Discounts Earnings Per Share Earnings Per Share [Text Block] Other financial instruments, measurement input Other Assets, Measurement Input Other Assets, Measurement Input Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest El Segundo Energy Center, due 2023 El Segundo Energy Center, due 2023 [Member] El Segundo Energy Center, due 2023 [Member] Loss on debt extinguishment Loss on debt extinguishment Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Change in deferred income taxes Increase (Decrease) in Income Taxes 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] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Asset acquisition, consideration transferred, working capital and purchase price adjustments Asset Acquisition, Consideration Transferred, Working Capital and Purchase Price Adjustments Asset Acquisition, Consideration Transferred, Working Capital and Purchase Price Adjustments 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. Customer Relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town Condensed Financial Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] GIP GIP [Member] GIP [Member] Audit Information [Abstract] Audit Information [Abstract] Tax Equity Arrangements Tax Equity Arrangements, Policy [Policy Text Block] Tax Equity Arrangements, Policy [Policy Text Block] Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Restricted cash Restricted Cash and Cash Equivalents, Current Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Contingent lease revenue recognized Power Purchase Agreement, Contingent Lease Revenue Recognized Power Purchase Agreement, Contingent Lease Revenue Recognized Gen Conn Gen Conn Energy LLC [Member] Represents the information pertaining to GenConn Energy LLC. 2026 Lessor, Operating Lease, Payment to be Received, Year Four Unrealized gain on derivatives and changes in accumulated OCL, net of tax Change in unrealized losses included in earnings for derivatives and other financial instruments held as of December 31, Unrealized gain (loss) on derivatives, net of tax Unrealized Gain (Loss) on Derivatives Less net debt issuance costs Debt Issuance Costs, Net Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Auditor Name Auditor Name Development fees Asset Acquisition, Development Fees Asset Acquisition, Development Fees Disposal Group Classification [Axis] Disposal Group Classification [Axis] Restricted cash Restricted Cash and Cash Equivalents Other Acquisitions Other Acquisitions [Member] Other Acquisitions Changes in prepaid and accrued liabilities for tolling agreements Changes in Prepaid and Accrued Capacity Payments Changes in Prepaid and Accrued Capacity Payments London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Total operating revenues Operating revenues Revenues Unrealized gain on derivatives and changes in accumulated OCI/OCL, net of income tax expense (benefit) of $5, $(3) and $— Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Clearway Energy, Inc. Clearway Energy, Inc. [Member] Clearway Energy, Inc. [Member] State Deferred State and Local Income Tax Expense (Benefit) South Trent South Trent [Member] South Trent [Member] Amortization expense Amortization of Intangible Assets Interest paid, net of amount capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Current assets held-for-sale Assets Held-for-sale, Not Part of Disposal Group, Current 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Statement of Stockholders' Equity Schedule of Capitalization, Equity [Line Items] Borrego Borrego [Member] Borrego Land and improvements Land and Land Improvements [Member] Inventory Inventory, Policy [Policy Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Accounting for Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Tax Credit Carryforward, Amount Tax Credit Carryforward, Amount Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Accounts payable — affiliates Due to Affiliate, Current Total assets acquired Asset Acquisition, Assets Acquired Asset Acquisition, Assets Acquired Common stock dividends and distributions to CEG Dividends, Common Stock Investment tax credits Deferred Tax Assets, Other Less: Contract amortization Contract amortization Capitalized Contract Cost, Amortization Asset Retirement Obligations Asset Retirement Obligation [Policy Text Block] Sale of stock, number of shares issued in transaction Sale of Stock, Number of Shares Issued in Transaction Less accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Investments in consolidated affiliates Investment in Consolidated Subsidiaries Investment in Consolidated Subsidiaries Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Payments to fund project reserve accounts Payments to Fund Project Reserve Accounts Payments to Fund Project Reserve Accounts 2025 Finite-Lived Intangible Asset, Expected 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750 Percent, Due 2031 [Member] Senior Notes, 3 Point 750 Percent, Due 2031 Letter of Credit Letter of Credit [Member] Long-term lease liabilities Operating Lease, Liability, Noncurrent Cash Distribution Cash Distribution [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Mesquite Star HoldCo LLC Mesquite Star HoldCo LLC [Member] Mesquite Star HoldCo LLC 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] Related Party Transaction [Axis] Related Party Transaction [Axis] Disposal Group Name [Axis] Disposal Group Name [Axis] Liabilities settled Asset Retirement Obligation, Liabilities Settled 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 Buckthorn Solar Buckthorn Solar [Member] Buckthorn Solar [Member] Lighthouse Renewable Holdco 2 LLC Lighthouse Renewable Holdco 2 LLC [Member] Lighthouse Renewable Holdco 2 LLC Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Statement [Line Items] Statement [Line Items] 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] Net carrying amount beginning balance Net carrying amount ending balance Finite-Lived Intangible Assets, Gross Long-term debt Asset Acquisition, Long-term Debt Asset Acquisition, Long-term Debt Renewables Renewables [Member] Renewables [Member] Right-of-use assets, net Right of use assets, net Operating Lease, 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Assets, Operating Loss Carryforwards, Domestic Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Borrower leverage ratio Debt Instrument, Covenant, Amended and Restated Credit Agreement, Borrower Leverage Ratio Debt Instrument, Covenant, Amended and Restated Credit Agreement, Borrower Leverage Ratio Viento Funding II, LLC Due 2023 and 2029 Viento Funding II, LLC Due 2023 and 2029 [Member] Viento Funding II, LLC Due 2023 and 2029 Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Acquisition of Drop Down Assets, net of cash acquired Payment to Acquire Business under Common Control Payment to Acquire Business under Common Control Equity method investment removed Asset Acquisition, Equity Method Investment Removed Asset Acquisition, Equity Method Investment Removed State and Local Jurisdiction State and Local Jurisdiction [Member] Adjustments to reconcile net income (loss) to net cash provided by 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[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 Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Schedule of Capitalization, Equity [Table] Schedule of Capitalization, Equity [Table] Dividends per common share (in usd per share) Common Stock, Dividends, Per Share, Cash Paid ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Reported Value Measurement Reported Value Measurement [Member] Property, plant and equipment Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Langford Langford [Member] Langford Summary of Assets and Liabilities Measured and Recorded at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Mililani I Lease Mililani I Lease [Member] Mililani I Lease Operating Segments Operating Segments [Member] Income expected to be realized from OCI during the next 12 months, net of income tax expense of $1 Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Avra Valley Avra Valley [Member] Avra Valley [Member] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Kawailoa Solar Project Kawailoa Solar Project [Member] Kawailoa Solar Project [Member] Less: Net income (loss) attributable to noncontrolling interests and redeemable interests Net Income (Loss) Attributable to Noncontrolling Interest Distribution Type [Domain] Distribution Type [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Net income attributable to Clearway Energy, Inc. Net Income Attributable to Clearway Energy, Inc. Net Income (Loss) Available to Common Stockholders, Basic Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Rosie TargetCo LLC Rosie TargetCo LLC [Member] Rosie TargetCo LLC Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Current liabilities held-for-sale Disposal Group, Including Discontinued Operation, Liabilities, Current Equity investments in affiliates Investment Balance Equity investments in affiliates Equity Method Investments Carlsbad Energy Holdings LLC, due 2038 Carlsbad Holdco Notes, 2038 [Member] Carlsbad Holdco Notes, 2038 [Member] Energy and Capacity Revenue Lessor Revenue [Table Text Block] Lessor Revenue [Table Text Block] Unrealized gain on derivatives, income tax expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Losses expected to be realized from OCL during the next 12 months, income tax benefit Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Tax The estimated tax impact of existing gains or losses on cash flow hedges, at the reporting date, which are expected to be reclassified to earnings within the next 12 months. 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] Net Cash (Used in) Provided by Investing Activities Net Cash Provided by (Used in) Investing Activities Debt instrument, face amount Debt Instrument, Face Amount Comprehensive Income Attributable to Clearway Energy, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Impaired Long-Lived Assets Held and Used [Table] Schedule of Impaired Long-Lived Assets Held and Used [Table] Schedule of Segment Reporting Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other current liabilities Other Liabilities, Current Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Condensed Financial Information Disclosure [Abstract] Condensed Financial Information Disclosure [Abstract] PG&E PG&E [Member] PG&E [Member] Impairment losses Tangible Asset Impairment Charges Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Elkhorn Ridge Elkhorn Ridge [Member] Elkhorn Ridge Charged to costs and expenses SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Project [Axis] Project [Axis] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Derivative [Table] Derivative [Table] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset purchase from affiliate Payments to Acquire Assets from Affiliate Payments to Acquire Assets from Affiliate Net assets acquired Net Assets (liabilities) assumed Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Waiawa Drop Down Waiawa Drop Down [Member] Waiawa Drop Down Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Liabilities [Abstract] Liabilities [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Property, plant and equipment, net Net property, plant and equipment 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 Schedule Future Amortization Expense for Intangibles Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] CVSR, due 2037 CVSR Financing Agreement [Member] CVSR Financing Agreement [Member] Commodity contracts long-term Commodity Contract Long-Term [Member] Commodity Contract Long-Term [Member] Long-term debt Total Long-Term Debt Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Other income, net Other income, net Other Nonoperating Income (Expense) Balance Sheet Location [Axis] Balance Sheet Location [Axis] Rattlesnake Drop Down Rattlesnake Flat, LLC [Member] Rattlesnake Flat, LLC Shareholders Shareholders [Member] Shareholders [Member] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Other Assets Assets, Noncurrent [Abstract] Accumulated other comprehensive income (loss) 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 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 Accounts receivable — affiliates Due from Affiliate, Current Common Class A Common Class A [Member] Derivative instruments Asset Acquisition, Derivative Instrument, Notional Amount Asset Acquisition, Derivative Instrument, Notional Amount Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Total current assets Assets, current Assets, Current Entity Small Business Entity Small Business Measurement Basis [Axis] Measurement Basis [Axis] Due to affiliate, noncurrent Due to Affiliate, Noncurrent Reduction in carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Amortization Expense Quarterly dividend, declared (in usd per share) Common Stock, Dividends, Per Share, Declared Operating Revenues Revenues [Abstract] Intangible assets Ending balance Finite-Lived Intangible Assets, Net Distributions to noncontrolling interests, non-cash Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Schedule of Changes in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] 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 SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] AWAM AWAM [Member] AWAM [Member] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Other financial instruments Other Assets, Fair Value Disclosure Maturity - October 31, 2040 Maturity - October 31, 2040 [Member] Maturity - October 31, 2040 [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Maturity - December 31, 2042 Maturity - December 31, 2042 [Member] Maturity - December 31, 2042 Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Alternative Energy Alternative Energy [Member] Distributions from unconsolidated affiliates Proceeds from Equity Method Investment, Distribution Total operating costs and expenses Total operating costs and expenses Costs and Expenses Collateral amount Debt Instrument, Amended and Restated Credit Agreement, Collateral Amount Debt Instrument, Amended and Restated Credit Agreement, Collateral Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Business Combination and Asset Acquisition [Abstract] Lighthouse Renewable Holdco LLC Lighthouse Renewable Holdco LLC [Member] Lighthouse Renewable Holdco LLC Accrued interest expense Interest Payable Class of Stock Class of Stock [Line Items] Payments of debt issuance costs Payments of Debt Issuance Costs Lease liability Operating Lease, Liability Special Distribution Special Distribution [Member] Special Distribution Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Alta TE Holdco Alta X and XI TE Holdco [Member] Alta X and XI TE Holdco [Member] Maturity - May 15, 2031 Maturity - May 15, 2031 [Member] Maturity - May 15, 2031 [Member] Percent of financial instruments using level 3 fair value inputs Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Percent of Other Financial Instrument Liabilities Using Level 3 Fair Value Inputs Ownership interest Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Total lease payments Lessor, Operating Lease, Payments to be Received Reclassified to held for sale Reclassified to Held for Sale [Member] Reclassified to Held for Sale Asset Impairments Asset Impairment Charges [Text Block] Maturity - June 30, 2023 Maturity - June 30, 2023 [Member] Maturity - June 30, 2023 [Member] 2026 Long-Term Debt, Maturity, Year Four Hedging Designation [Axis] Hedging Designation [Axis] Auditor Location Auditor Location Write off of deferred debt issuance cost Write off of Deferred Debt Issuance Cost Alta Wind Asset Management LLC, due 2031 Alta Wind Asset Management LLC, Due 2031 [Member] Alta Wind Asset Management LLC, Due 2031 Entity Filer Category Entity Filer Category Derivative instruments, assets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Schedule of Dividends Paid Schedule of Dividends Paid [Table Text Block] Tabular disclosure of all or some of the information related to dividends paid Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Repayment of debt, acquired in asset acquisition Repayment of Debt, Acquired in Asset Acquisition Repayment of Debt, Acquired in Asset Acquisition Impaired Long-Lived Assets Held and Used [Line Items] Impaired Long-Lived Assets Held and Used [Line Items] Asset acquisition consideration Asset Acquisition, Consideration Transferred 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 Special distribution utilized to make tax payments Distribution Made to Limited Liability Company (LLC) Member, Pro Rata Share of Cash Distributions Paid, Utilized Distribution Made to Limited Liability Company (LLC) Member, Pro Rata Share of Cash Distributions Paid, Utilized Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net assets less noncontrolling interests Net Assets Letters of credit outstanding Letters of Credit Outstanding, Amount DGPV Holdco 3 DGPV Funds DGPV Holdco 3 [Member] DGPV Holdco 3 [Member] Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Operating Funds Operating Funds [Member] Operating Funds [Member] Repowering Partnership II LLC Repowering Partnership II LLC [Member] Repowering Partnership II LLC [Member] Other Liabilities Liabilities, Noncurrent [Abstract] Cover page. Cover [Abstract] Entity Voluntary Filers Entity Voluntary Filers Total other assets Other current and non-current assets Other Assets Cash acquired from acquisition Cash Acquired from Acquisition Segment Reporting [Abstract] Segment Reporting [Abstract] Clearway Energy LLC Clearway Energy LLC [Member] Clearway Energy LLC [Member] Forecast Forecast [Member] Derivative instruments Derivative Asset, Current Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Total Liabilities and Stockholders’ Equity Liabilities and Equity Disposition, property, plant and equipment, percent Disposal Group, Including Discontinued Operations, Property, Plant and Equipment, Percent Disposal Group, Including Discontinued Operations, Property, Plant and Equipment, Percent Reclassification of Cash to Assets Held-for-Sale Reclassification of Cash to Assets Held for Sale Reclassification of Cash to Assets Held for Sale Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Avenal Avenal [Member] Avenal [Member] Total deferred tax assets Deferred Tax Assets, Gross Derivatives Not Designated as Cash Flow Hedges: Not Designated as Hedging Instrument [Member] Income tax benefit threshold Income Taxes, Threshold Percentage The percentage that is likely to be realized upon settlement which is used as a basis of recording unrecognized tax benefits for income tax positions that have surpassed the more-likely-than-not threshold. Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Earnings per weighted average common share - diluted (in dollars per share) Earnings Per Share, Diluted Sale of Stock [Domain] Sale of Stock [Domain] NIMH Solar, due 2024 NIMH Solar, due 2024 [Member] NIMH Solar, due 2024 Equity interest (percent) Noncontrolling Interest, Ownership Percentage by Parent Consolidation Items [Axis] Consolidation Items [Axis] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Number of projects acquired Asset Acquisition, Number of Projects Acquired Asset Acquisition, Number of Projects Acquired Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Mililani I Drop Down Mililani I Drop Down [Member] Mililani I Drop Down Minimum Future Rent Payments Under the Operating Leases Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block] Rosie Class B LLC 2027 Rosie Class B LLC 2027 [Member] Rosie Class B LLC 2027 Derivative instruments, liabilities Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Derivative assets Derivative assets, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Maturity - May 31, 2023 Maturity - May 31, 2023 [Member] Maturity - May 31, 2023 [Member] Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Purpose [Domain] Purpose [Domain] Purpose Right-of-use assets Asset Acquisition, Right-of-use asset Asset Acquisition, Right-of-use asset Acquisition of Capistrano Wind Portfolio, net of cash acquired Payments to Acquire Additional Interest in Subsidiaries Product and Service [Axis] Product and Service [Axis] Class of Stock [Domain] Class of Stock [Domain] Interest expense Interest expense Interest Expense Bridge Loan, Due 2022 Bridge Loan, Due 2022 [Member] Bridge Loan, Due 2022 Investments Accounted for by the Equity Method Equity Method Investments [Policy Text Block] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Percentage of principal Percentage of Debt Hedged by Interest Rate Derivatives Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Capistrano Wind Portfolio Drop Down Capistrano Wind Portfolio Drop Down [Member] Capistrano Wind Portfolio Drop Down Construction Loans Construction Loans [Member] Ownership interest (as a percentage) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Partnership state basis Effective Income Tax Rate Reconciliation, Partnership State Basis Effective Income Tax Rate Reconciliation, Partnership State Basis Transaction expenses Disposal Group, Including Discontinued Operations, Transaction Costs Disposal Group, Including Discontinued Operations, Transaction Costs Impairment loss on investment Other-than-temporary impairment loss on investment Impairment loss on investment Equity Method Investment, Other than Temporary Impairment Business Acquisition [Line Items] Asset Acquisition [Line Items] Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Waiawa Waiawa [Member] Waiawa Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Total deferred tax liabilities Deferred Tax Liabilities, Gross 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. Natural Gas Underlying Asset Class [Domain] Acquisitions DGPV Holdco Entities [Member] DGPV Holdco Entities Maturity - November 30, 2030 Maturity - November 30, 2030 [Member] Maturity - November 30, 2030 [Member] Leasehold Rights Leasehold Rights [Member] Leasehold Rights [Member] Percentage equity interests acquired Asset Acquisition, Percentage Equity Interests Acquired Asset Acquisition, Percentage Equity Interests Acquired Long-term debt, additions Asset Acquisition, Long-term Debt, Additions Asset Acquisition, Long-term Debt, Additions SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five Summary of Level Within Fair Value Hierarchy Fair Value Option, Disclosures [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Total Segments Total Segments [Member] Total Segments Maturity - June 30, 2028 Maturity - June 30, 2028 [Member] Maturity - June 30, 2028 [Member] Accrued expenses and other current liabilities Other Accrued Liabilities, Current General and administrative General and Administrative Expense Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Property, plant and equipment Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation Payments of dividends and distributions Payments of Ordinary Dividends Tax at 21% Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Cash Flows from Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Oahu Solar LLC Oahu Solar Partnership [Member] Oahu Solar Partnership [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] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Impairment losses Asset Impairment Charges 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 Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Intangible assets for power purchase agreements Asset Acquisition, Other Intangible Assets Asset Acquisition, Other Intangible Assets Derivative instruments Derivative Liability, Noncurrent