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Acquisitions and Dispositions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions | Sep. 04, 2025 | Aug. 14, 2025 | Jul. 16, 2025 | Jun. 10, 2025 | Apr. 29, 2025 | Mar. 20, 2025
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Daggett 1 Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  | $ 3 |
Daggett 1 Drop Down | LV-Daggett Parent Holdco LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Cash |  |  |  |  | 1 |
Property, plant and equipment |  |  |  |  | 223 |
Other current and non-current assets |  |  |  |  | 8 |
Total assets acquired |  |  |  |  | 232 |
Long-term debt |  |  |  |  | 220 |
Derivative liabilities |  |  |  |  | 6 |
Other current and non-current liabilities |  |  |  |  | 11 |
Total liabilities assumed |  |  |  |  | 237 |
Other comprehensive income (loss) |  |  |  |  | (6) |
Net assets (liabilities) acquired (assumed) |  |  |  |  | 1 |
Luna Valley Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  | 4 |
Luna Valley Drop Down | LV-Daggett Parent Holdco LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Restricted cash |  |  |  |  | 8 |
Property, plant and equipment |  |  |  |  | 346 |
Right-of-use assets, net |  |  |  |  | 16 |
Other current and non-current assets |  |  |  |  | 22 |
Total assets acquired |  |  |  |  | 392 |
Long-term debt |  |  |  |  | 348 |
Long-term lease liabilities |  |  |  |  | 18 |
Derivative liabilities |  |  |  |  | 8 |
Other current and non-current liabilities |  |  |  |  | 33 |
Total liabilities assumed |  |  |  |  | 407 |
Other comprehensive income (loss) |  |  |  |  | (8) |
Net assets (liabilities) acquired (assumed) |  |  |  |  | (7) |
Rosamond South I Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Net assets (liabilities) acquired (assumed) |  |  |  |  |  | $ (3)
Unamortized debt issuance costs |  |  |  |  |  | 1
Rosamond South I Drop Down | Rosie South TargetCo LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  | 507
Right-of-use assets, net |  |  |  |  |  | 17
Other current and non-current assets |  |  |  |  |  | 11
Total assets acquired |  |  |  |  |  | 535
Long-term debt |  |  |  |  |  | 468
Long-term lease liabilities |  |  |  |  |  | 19
Derivative liabilities |  |  |  |  |  | 4
Other current and non-current liabilities |  |  |  |  |  | 51
Total liabilities assumed |  |  |  |  |  | 542
Other comprehensive income (loss) |  |  |  |  |  | (4)
Net assets (liabilities) acquired (assumed) |  |  |  |  |  | (3)
Catalina Solar Acquisition | Catalina Solar Investment LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Cash |  |  | $ 15 |  |  |
Intangible asset for power purchase agreement |  |  | 175 |  |  |
Right-of-use assets, net |  |  | 107 |  |  |
Other current and non-current assets |  |  | 6 |  |  |
Total assets acquired |  |  | 303 |  |  |
Long-term lease liabilities |  |  | 173 |  |  |
Other current and non-current liabilities |  |  | 2 |  |  |
Total liabilities assumed |  |  | 175 |  |  |
Net assets (liabilities) acquired (assumed) |  |  | $ 128 |  |  |
Pine Forest Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  | $ 6 |  |
Pine Forest Drop Down | Pine Forest CE Class A Owner LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Restricted cash |  |  |  | 1 |  |
Property, plant and equipment |  |  |  | 560 |  |
Right-of-use assets, net |  |  |  | 17 |  |
Derivative assets |  |  |  | 6 |  |
Total assets acquired |  |  |  | 584 |  |
Long-term debt |  |  |  | 515 |  |
Long-term lease liabilities |  |  |  | 18 |  |
Derivative liabilities |  |  |  | 1 |  |
Other current and non-current liabilities |  |  |  | 54 |  |
Total liabilities assumed |  |  |  | 588 |  |
Other comprehensive income (loss) |  |  |  | 5 |  |
Net assets (liabilities) acquired (assumed) |  |  |  | (9) |  |
Unamortized debt issuance costs |  |  |  | 6 |  |
Tuolumne Wind Acquisition | Washington Wind LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Property, plant and equipment |  |  |  |  | 37 |
Intangible asset for power purchase agreement |  |  |  |  | 176 |
Right-of-use assets, net |  |  |  |  | 5 |
Other current and non-current assets |  |  |  |  | 1 |
Total assets acquired |  |  |  |  | 219 |
Long-term lease liabilities |  |  |  |  | 4 |
Other current and non-current liabilities |  |  |  |  | 4 |
Total liabilities assumed |  |  |  |  | 8 |
Net assets (liabilities) acquired (assumed) |  |  |  |  | 211 |
Cash Equity Bridge Loan | Daggett 1 Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Construction in progress |  |  |  |  | 221 |
Cash Equity Bridge Loan | Luna Valley Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt | $ 46 |  |  |  | 64 |
Construction in progress |  |  |  |  | 338 |
Cash Equity Bridge Loan | Rosamond South I Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 6
Construction in progress |  |  |  |  |  | 495
Cash Equity Bridge Loan | Pine Forest Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 102 |  |
Cash Equity Bridge Loan | Pine Forest Drop Down | Pine Forest CE Class A Owner LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 102 |  |
Construction in progress |  |  |  | 550 |  |
Construction loans | Daggett 1 Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  |  | 92 |
Construction loans | Luna Valley Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt | 22 |  |  |  | 144 |
Construction loans | Rosamond South I Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 179
Construction loans | Pine Forest Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 103 |  |
Construction loans | Pine Forest Drop Down | Pine Forest CE Class A Owner LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 103 |  |
Tax Equity Bridge Loan | Daggett 1 Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  |  | 131 |
Tax Equity Bridge Loan | Luna Valley Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt | $ 144 |  |  |  | $ 144 |
Tax Equity Bridge Loan | Rosamond South I Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  | $ 276 |  |  |  | $ 284
Tax Equity Bridge Loan | Pine Forest Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 41 |  |
Tax Equity Bridge Loan | Pine Forest Drop Down | Pine Forest CE Class A Owner LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 41 |  |
Tax Credit Transfer Bridge Loan | Pine Forest Drop Down |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | 275 |  |
Tax Credit Transfer Bridge Loan | Pine Forest Drop Down | Pine Forest CE Class A Owner LLC |  |  |  |  |  |
Schedule of Asset Acquisition [Line Items] |  |  |  |  |  |
Long-term debt |  |  |  | $ 275 |  |

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