Income Taxes - Narrative (Details) - USD ($) $ in Millions |
1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jan. 15, 2026 |
Jan. 31, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Effective Income Tax Rate Reconciliation [Line Items] | ||||
| Production tax credit sales | $ 282 | |||
| Repayment of outstanding loan | $ 760 | $ 1,191 | ||
| 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 | ||