XML 151 R110.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Share-based payments - Share purchase plan (Details) | 12 Months Ended
--- | ---
Sep. 30, 2022
Share purchase plan |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Maximum match of employee's basic contribution (as a percent) | 3.50%

X
- Definition Share-Based Payment Arrangement, Employer Matching Contribution, Percent Of Match + References No definition available. + Details
Name: | gib_ShareBasedPaymentArrangementEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | gib_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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