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v3.25.2

Provision for de-characterization of dam structures and asset retirement obligations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Provision For De-characterization Of Dam Structures And Asset Retirement Obligations |  |  |  |
De-characterization of upstream geotechnical structures | $ 56 | $ 70 | $ 65 | $ 131
Obligation for asset decommissioning | (4) | 19 | (12) | 32
Environmental obligations |  |  |  | (22)
Total | $ 52 | $ 89 | $ 53 | $ 141

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- References No definition available. + Details
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