Income Tax Expense - Additional Information (Detail) $ in Millions	12 Months Ended
Jun. 30, 2025 USD ($)
Major components of tax expense (income) [abstract]
Current tax expense related to pillar two income taxes	$ 1

The amount of current tax expense (income) related to Pillar Two income taxes.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2024-01-01
-Paragraph 88B
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_88B&doctype=Standard
-URIDate 2024-03-27

Name:	ifrs-full_CurrentTaxExpenseIncomeRelatedToPillarTwoIncomeTaxes
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration