v3.26.1
Provision for de-characterization of dam structures and asset retirement obligations (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Provision For De-characterization Of Dam Structures And Asset Retirement Obligations      
De-characterization of upstream geotechnical structures $ (185) $ (206) $ 153
Obligation for asset decommissioning 173 (16) 5
Environmental obligations 25 50 71
Total $ 13 $ (172) $ 229