XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.26.1

Nature of Business (Details) |  |  | 6 Months Ended
--- | --- | --- | ---
May 01, 2026 shares | Apr. 29, 2026 shares | Jun. 30, 2026 state GW
Nature of Business [Line Items] |  |  |
Power generation capacity, gigawatts (over) |  |  | 13.9
Number of states | state |  |  | 27
Common Class C |  |  |
Nature of Business [Line Items] |  |  |
Shares converted (in shares) | shares | 1 | 1 |
Clearway Energy LLC | Common Class C |  |  |
Nature of Business [Line Items] |  |  |
Shares converted (in shares) | shares |  | 1 |
Clearway Energy, Inc. | Clearway Energy LLC |  |  |
Nature of Business [Line Items] |  |  |
Ownership interest (as a percentage) |  |  | 59.03%
Clearway Energy, Inc. | CEG |  |  |
Nature of Business [Line Items] |  |  |
Voting interest (as a percentage) |  |  | 54.88%
Clearway Energy, Inc. | Public Shareholders |  |  |
Nature of Business [Line Items] |  |  |
Voting interest (as a percentage) |  |  | 45.12%
Clearway Energy LLC | CEG |  |  |
Nature of Business [Line Items] |  |  |
Ownership interest (as a percentage) |  |  | 40.97%
Conventional Generation, Utility-Scale Solar, Distributed Solar, and Wind |  |  |
Nature of Business [Line Items] |  |  |
Power generation capacity, gigawatts (over) |  |  | 11.1
Generational Facilities and District Energy Systems |  |  |
Nature of Business [Line Items] |  |  |
Power generation capacity, gigawatts (over) |  |  | 2.8

X
- Definition Basis of Presentation [Line Items] + References No definition available. + Details
Name: | cwen_BasisofPresentationLineItems
Namespace Prefix: | cwen_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Voting Interest + References No definition available. + Details
Name: | cwen_LimitedLiabilityCompanyLLCorLimitedPartnershipLPMembersorLimitedPartnersVotingInterest
Namespace Prefix: | cwen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Power Generation Capacity, Gigawatts + References No definition available. + Details
Name: | cwen_PowerGenerationCapacityGigawatts
Namespace Prefix: | cwen_
Data Type: | dtr-types:powerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482987/272-10-50-3 + Details
Name: | us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of states the entity operates in as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2 + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cwen_ClearwayEnergyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=cwen_ClearwayEnergyInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cwen_CEGMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=cwen_PublicShareholdersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=cwen_ClearwayEnergyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cwen_PowerGenerationFacilitiesByTypeAxis=cwen_ConventionalGenerationUtilityScaleSolarDistributedSolarandWindMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | cwen_PowerGenerationFacilitiesByTypeAxis=cwen_GenerationalFacilitiesAndDistrictEnergySystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |