Long-term Debt - Schedule of Debt (Details) - USD ($) $ in Millions | | 6 Months Ended | |
Mar. 15, 2023 | Jun. 30, 2023 | Dec. 31, 2022 |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 7,096 | $ 6,872 |
Less current maturities | | (332) | (324) |
Less net debt issuance costs | | (59) | (61) |
Add premiums | | 3 | 4 |
Total long-term debt | | $ 6,708 | 6,491 |
Intercompany Note with Clearway, Inc. | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | | 2 |
Debt instrument, interest rate, stated percentage | | 4.43% | |
2028 Senior Notes | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 850 | 850 |
Debt instrument, interest rate, stated percentage | | 4.75% | |
2031 Senior Notes | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 925 | 925 |
Debt instrument, interest rate, stated percentage | | 3.75% | |
2032 Senior Notes | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 350 | 350 |
Debt instrument, interest rate, stated percentage | | 3.75% | |
Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, Due 2028 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 0 | 0 |
Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, Due 2028 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | 0.10% | 1.85% | |
Clearway Energy LLC and Clearway Energy Operating LLC Revolving Credit Facility, Due 2028 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 188 | |
Agua Caliente Solar LLC, due 2037 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 640 | 649 |
Agua Caliente Solar LLC, due 2037 | Minimum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 2.395% | |
Agua Caliente Solar LLC, due 2037 | Maximum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 3.633% | |
Agua Caliente Solar LLC, due 2037 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 45 | |
Alta Wind Asset Management LLC, due 2031 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 11 | 12 |
Alta Wind Asset Management LLC, due 2031 | LIBOR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.625% | |
Alta Wind Asset Management LLC, due 2031 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 0 | |
Alta Wind I-V lease financing arrangements, due 2034 and 2035 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 679 | 709 |
Alta Wind I-V lease financing arrangements, due 2034 and 2035 | Minimum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 5.696% | |
Alta Wind I-V lease financing arrangements, due 2034 and 2035 | Maximum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 7.015% | |
Alta Wind I-V lease financing arrangements, due 2034 and 2035 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 47 | |
Alta Wind Realty Investments LLC, due 2031 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 21 | 22 |
Debt instrument, interest rate, stated percentage | | 7% | |
Alta Wind Realty Investments LLC, due 2031 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 0 | |
Borrego, due 2024 and 2038 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 50 | 51 |
Borrego, due 2024 and 2038 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | 0 | |
Buckthorn Solar, due 2025 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 119 | 119 |
Buckthorn Solar, due 2025 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.10% | |
Buckthorn Solar, due 2025 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 22 | |
Capistrano Wind Portfolio, due 2029 and 2031 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 145 | 156 |
Capistrano Wind Portfolio, due 2029 and 2031 | Minimum | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 210% | |
Capistrano Wind Portfolio, due 2029 and 2031 | Maximum | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.15% | |
Capistrano Wind Portfolio, due 2029 and 2031 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 34 | |
Carlsbad Energy Holdings LLC, due 2027 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 114 | 115 |
Carlsbad Energy Holdings LLC, due 2027 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.90% | |
Carlsbad Energy Holdings LLC, due 2027 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 82 | |
Carlsbad Energy Holdings LLC, due 2038 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 407 | 407 |
Debt instrument, interest rate, stated percentage | | 4.12% | |
Carlsbad Energy Holdings LLC, due 2038 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 0 | |
Carlsbad Holdco, LLC, due 2038 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | | 197 |
Debt instrument, interest rate, stated percentage | | 4.21% | |
Carlsbad Holdco, LLC, due 2038 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 6 | |
CVSR, due 2037 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 612 | 627 |
CVSR, due 2037 | Minimum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 2.339% | |
CVSR, due 2037 | Maximum | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, interest rate, stated percentage | | 3.775% | |
CVSR, due 2037 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 0 | |
CVSR Holdco Notes, due 2037 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 151 | 160 |
Debt instrument, interest rate, stated percentage | | 4.68% | |
CVSR Holdco Notes, due 2037 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 12 | |
Daggett 3, due 2023 and 2028 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 446 | 0 |
Letters of credit outstanding, amount | | $ 35 | |
Daggett 3, due 2023 and 2028 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.262% | |
DG-CS Master Borrower LLC, due 2040 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 406 | 413 |
Debt instrument, interest rate, stated percentage | | 3.51% | |
DG-CS Master Borrower LLC, due 2040 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 30 | |
Marsh Landing, due 2023 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 0 | 19 |
Marsh Landing, due 2023 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | 0 | |
Mililani I, due 2027 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 47 | 47 |
Mililani I, due 2027 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.60% | |
Mililani I, due 2027 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 5 | |
NIMH Solar, due 2024 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 156 | 163 |
NIMH Solar, due 2024 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 2.15% | |
NIMH Solar, due 2024 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 16 | |
Oahu Solar Holdings LLC, due 2026 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 82 | 83 |
Oahu Solar Holdings LLC, due 2026 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.525% | |
Oahu Solar Holdings LLC, due 2026 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 11 | |
Rosie Class B LLC, due 2029 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 77 | 76 |
Rosie Class B LLC, due 2029 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.375% | |
Rosie Class B LLC, due 2029 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 15 | |
Utah Solar Holdings, due 2036 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 253 | 257 |
Debt instrument, interest rate, stated percentage | | 3.59% | |
Utah Solar Holdings, due 2036 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 15 | |
Viento Funding II, LLC, due 2029 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 180 | 184 |
Viento Funding II, LLC, due 2029 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.475% | |
Viento Funding II, LLC, due 2029 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | $ 25 | |
Waiawa, due 2028 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 46 | 97 |
Letters of credit outstanding, amount | | $ 12 | |
Waiawa, due 2028 | SOFR | | | |
Debt Instrument [Line Items] | | | |
Debt instrument, basis spread on variable rate | | 1.60% | |
Walnut Creek, due 2023 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 0 | 19 |
Walnut Creek, due 2023 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | 0 | |
WCEP Holdings, LLC, due 2023 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 0 | 26 |
WCEP Holdings, LLC, due 2023 | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | 0 | |
Other | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 130 | 137 |
Other | Letter of Credit | | | |
Debt Instrument [Line Items] | | | |
Letters of credit outstanding, amount | | 250 | |
Subtotal non-recourse project-level debt | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | 4,969 | $ 4,745 |
Carlsbad Holdco, LLC, due 2038 | | | |
Debt Instrument [Line Items] | | | |
Long-term debt | | $ 197 | |