XML 234 R157.htm IDEA: XBRL DOCUMENT v3.26.1

Equity-settled share-based transactions - Schedule of details of the restricted share units outstanding PHCL 2021 Plan (Details) - Restricted share units - shares	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items]
Restricted share units granted (in shares)	11,710	834,947	834,947
RSUs granted to directors
Disclosure of terms and conditions of share-based payment arrangement [line items]
Restricted share units granted (in shares)	0	821,111
RSUs granted to employees
Disclosure of terms and conditions of share-based payment arrangement [line items]
Restricted share units granted (in shares)	0	2,126
RSUs granted to third parties
Disclosure of terms and conditions of share-based payment arrangement [line items]
Restricted share units granted (in shares)	11,710	11,710

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

- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=ifrs-full_RestrictedShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=pre_EmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=pre_ThirdPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: