v3.26.1
Basis of Preparation - Schedule of Company and its Subsidiaries (Details)
12 Months Ended
Dec. 31, 2025
Lowell Copper Holdings Inc.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Canada
Ownership interest 100.00%
1330783 B.C. Ltd.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Canada
Ownership interest 100.00%
Lowell Copper Holdings (US) Inc.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Canada
Ownership interest 100.00%
Solaris Exploration Inc.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Canada
Ownership interest 100.00%
Lowell Copper (US) Inc.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company United States
Ownership interest 100.00%
Lowell Mineral Exploration Ecuador S.A.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Ecuador
Ownership interest 100.00%
Solaris Resources Ecuador S.A.S.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Ecuador
Ownership interest 100.00%
Minera Ricardo Resources Inc. S.A.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Chile
Ownership interest 100.00%
Solaris Copper SpA [Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Chile
Ownership interest 100.00%
Lowell Copper S.A.C.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Peru
Ownership interest 100.00%
Minera Gabriella S.A. de C.V. [Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Mexico
Ownership interest 100.00%
Ascenso Inversiones S.A.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Guatemala
Ownership interest 100.00%
Catalyst Copper Corp.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Canada
Ownership interest 100.00%
Solaris Resources AG [Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Switzerland
Ownership interest 100.00%
Minera Hill 29, S.A. de C.V. [Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Mexico
Ownership interest 100.00%
Minera Torre de Oro, S.A.P.I. de C.V.[Member]  
Schedule of Company and its Subsidiaries [Line Items]  
Location of Company Mexico
Ownership interest 60.00%