v3.26.1
Provision for de-characterization of dam structures and asset retirement obligations (Details Narrative) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Provision For De-characterization Of Dam Structures And Asset Retirement Obligations        
Losses in relation to the operational stoppage $ 8 $ 10 $ 17 $ 20