v3.26.3
Other assets - Schedule of Other Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Current    
GST receivables $ 100 $ 30
Interest receivables 4 1
Share issuance proceeds receivables 50 0
Other receivables 2 6
Total current other assets 156 36
Non-current    
Debt issuance cost 39 57
Other assets 0 2
Total non-current other assets 39 59
Total other assets $ 195 $ 95