v3.25.3
Capital risk management (Details) - CAD ($)
Sep. 30, 2025
Sep. 30, 2024
Capital Risk Management [Abstract]
Total managed capital
$ 15,509,222,000
$ 14,255,026,000
X
- Definition
Capital Risk Management
+ References
No definition available.
+ Details
Name:
gib_CapitalRiskManagementAbstract
Namespace Prefix:
gib_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Managed Capital
+ References
No definition available.
+ Details
Name:
gib_ManagedCapital
Namespace Prefix:
gib_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant