XML 217 R165.htm IDEA: XBRL DOCUMENT
v3.25.3

Common shares, preferred shares and other equity instruments - Schedule of Common Shares (Parenthetical) (Detail) - Common shares [member] - shares | Oct. 31, 2025 | Oct. 31, 2024
--- | --- | ---
Disclosure of classes of share capital [line items] |  |
Number of shares bought to facilitate trading/institutional client activity | 30,855,084 | 26,564,849
Number of shares sold to facilitate trading/institutional client activity | 30,855,333 | 26,566,901

X
- Definition Shares bought to facilitate trading/institutional client activity. + References No definition available. + Details
Name: | bns_SharesBoughtToFacilitateTradingInstitutionalClientActivity
Namespace Prefix: | bns_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Shares sold to facilitate trading/institutional client activity. + References No definition available. + Details
Name: | bns_SharesSoldToFacilitateTradingInstitutionalClientActivity
Namespace Prefix: | bns_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |