Share-based Payments - Summary of Stock Option Activity and Related Information (Parenthetical) (Detail) - $ / shares	12 Months Ended
Oct. 31, 2025	Oct. 31, 2024
Employee stock options [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Weighted-average share price at the date of exercise	$ 96.04	$ 65.04

The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Types of share-based payment arrangements [domain]; Weighted average [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2024-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration