Property Concessions - Schedule of Property Concessions (Details) - USD ($)	Apr. 30, 2025	Oct. 31, 2024
Schedule of Property Concessions [Abstract]
Property concessions	$ 5,004,386	$ 5,004,386

The aggregate total of capitalized expenses relating to the costs of acquiring property concessions including mineral concessions acquired through the merger with a subsidiary.

No definition available.

Name:	svbl_PropertyConcessions
Namespace Prefix:	svbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant