XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.23.1

Basis of measurement | 12 Months Ended
--- | ---
Dec. 31, 2022
Basis of measurement [Abstract] |
Basis of measurement |
35 | Basis of measurement
The consolidation financial statements have been prepared on the historical cost basis except for financial assets measured at FVPL, which are measured on an alternative basis on each reporting date.
| - | preference share liabilities – conversion feature (see note 36(K)(ii));
| - | convertible securities (see note 36(J)(iv));
| - | financial assets at FVTPL (see note 36(J)); and
| - | warrant liabilities (see note 36(J)).

X
- Definition The explanation of the measurement basis (or bases) for financial instruments used in preparing the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 21 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_21&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ExplanationOfMeasurementBasesForFinancialInstrumentsUsedInPreparingFinancialStatementsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | pre_BasisOfMeasurementAbstract
Namespace Prefix: | pre_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration