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Income Taxes - Narrative (Details) - USD ($) $ in Millions |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 15, 2026 | Jan. 31, 2026 | Jun. 30, 2026 | Jun. 30, 2025
Effective Income Tax Rate Reconciliation [Line Items] |  |  |  |
Production tax credit sales |  | $ 282 |  |
Repayment of outstanding loan |  |  | $ 647 | $ 498
Pine Forest Drop Down |  |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |  |
Production tax credit sales |  | 279 |  |
Pine Forest Drop Down | Tax Credit Transfer Bridge Loan |  |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |  |
Repayment of outstanding loan | $ 231 | $ 231 |  |

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