Investment in associate, Summarized Balance Sheet (Details) - USD ($)	Oct. 31, 2025	Jul. 31, 2025	Oct. 31, 2024
ASSETS [Abstract]
Cash	$ 819,076	$ 3,446,111	$ 13,385
Total assets	8,837,561	11,871,295
LIABILITIES [Abstract]
Accounts payable and accrued liabilities	10,125,915	10,682,665
Convertible notes	13,244,818	13,089,512
Total liabilities	28,170,589	$ 31,464,840
Freedom Carbon Solutions [Member]
ASSETS [Abstract]
Cash	162
Due from related parties	$ 123,075
Other Receivable, after Allowance for Credit Loss, Related Party [Extensible Enumeration]	Related Party [Member]
Start-up costs, net	$ 101,859
Total assets	225,096
LIABILITIES [Abstract]
Accounts payable and accrued liabilities	255,875
Convertible notes	1,303,875
Total liabilities	$ 1,559,750