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Summary of Significant Accounting Policies - Noncontrolling Interests (Details) - $ / shares |  | 3 Months Ended
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Aug. 01, 2022 | Jun. 30, 2022 | Mar. 31, 2022
Common Class B | Subsequent Event |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability (LLC) member, distributions declared, per unit (in dollars per share) | $ 0.3604 |  |
Common Class D | Subsequent Event |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability (LLC) member, distributions declared, per unit (in dollars per share) | $ 0.3604 |  |
Clearway Energy LLC | Common Class B |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) |  | $ 0.3536 | $ 0.3468
Clearway Energy LLC | Common Class D |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Distribution made to limited liability company (LLC) member, distributions paid, per unit (in dollars per share) |  | $ 0.3536 | $ 0.3468

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