XML 227 R175.htm IDEA: XBRL DOCUMENT
v3.25.3

Share-Based Payments - Summary of Bank's Employee Stock Option Plan Outstanding and Exercisable by Range of Exercise Price (Parenthetical) (Detail) - Employee stock options [member] | Oct. 31, 2025 $ / shares
--- | ---
Ranges of exercise prices for outstanding share options one [member] | Bottom of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | $ 55.63
Ranges of exercise prices for outstanding share options one [member] | Top of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | 68.32
Ranges of exercise prices for outstanding share options two [member] | Bottom of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | 68.33
Ranges of exercise prices for outstanding share options two [member] | Top of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | 74.34
Ranges of exercise prices for outstanding share options three [member] | Bottom of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | 74.35
Ranges of exercise prices for outstanding share options three [member] | Top of range [member] |
Disclosure of range of exercise prices of outstanding share options [line items] |
Options outstanding, exercise price | $ 85.46

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_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exercise price of outstanding share options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_d&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ExercisePriceOfOutstandingShareOptions2019
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=bns_RangesOfExercisePricesForOutstandingShareOptionsOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=bns_EmployeeStockOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=bns_RangesOfExercisePricesForOutstandingShareOptionsTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=bns_RangesOfExercisePricesForOutstandingShareOptionsThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |