v3.26.1
Events after reporting period (Narrative) (Details) - Events after reporting period [Member] - Copper World, Inc [Member] - Mitsubishi Materials Corporation [Member]
$ in Millions
Jan. 09, 2026
USD ($)
Disclosure of non-adjusting events after reporting period [line items]  
Non-controlling interest percentage 30.00%
Proceeds from sale of minority interest $ 420
Future proceeds from sale of minority interest $ 180