v3.26.1
Operating Segmentation - Additional Information (Details)
9 Months Ended
Jul. 31, 2026
segment
Disclosure of operating segments [abstract]
Number of operating groups
4
X
- Definition
Number of operating groups.
+ References
No definition available.
+ Details
Name:
bmo_NumberOfOperatingGroups
Namespace Prefix:
bmo_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
ifrs-full_DisclosureOfOperatingSegmentsAbstract
Namespace Prefix:
ifrs-full_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration