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v3.26.1

Related Party Transactions (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 27, 2026 USD ($) | Jun. 30, 2026 USD ($) subsidiary | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) subsidiary | Jun. 30, 2025 USD ($) | Dec. 31, 2025 USD ($)
Related Party Transaction |  |  |  |  |  |
Capital expenditures |  | $ 47 | $ 51 | $ 129 | $ 89 |
General and administrative |  | 15 | 11 | 26 | 21 |
Goat Mountain |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Remaining balance to distribute | $ 106 |  |  |  |  |
Capital expenditures | 8 |  |  |  |  |
Repayments of debt | 70 |  |  |  |  |
Remaining expected to be paid | 36 |  |  |  |  |
Development fee | 18 |  |  |  |  |
Payments for asset acquisition | 200 |  |  |  |  |
Goat Mountain | Location, Statement of Financial Position, Activity, Accrual [Axis]: us-gaap:OtherAssetsNoncurrent |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Remaining balance to distribute | $ 98 |  |  |  |  |
RENOM | Related Party |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Expenses from transactions with related party |  | 25 | 20 | 46 | 41 |
Due to related party |  | 15 |  | 15 |  | $ 8
Administrative Services Agreement | Affiliated Entity |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
Expenses from transactions with related party |  | 8 | 6 | 14 | 11 |
Due to related party |  | $ 6 |  | $ 6 |  | $ 3
Number of wholly owned subsidiaries | subsidiary |  | 2 |  | 2 |  |
CEG | Related Party |  |  |  |  |  |
Related Party Transaction |  |  |  |  |  |
General and administrative |  | $ 6 | $ 6 | $ 13 | $ 12 |

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