XML 89 R77.htm IDEA: XBRL DOCUMENT v3.23.1

Segment information - Additional information (Details) - customer	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure of credit risk exposure [line items]
Number of customers	2		2
Percentage of revenue	10.00%		10.00%
Customer one
Disclosure of credit risk exposure [line items]
Percentage of revenue	28.00%	14.00%	20.00%
Customer two
Disclosure of credit risk exposure [line items]
Percentage of revenue	27.00%	11.00%	20.00%

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

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of the entity's revenue. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 8
-IssueDate 2022-03-24
-Paragraph 34
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_34&doctype=Standard
-URIDate 2022-03-24

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

Number of customers.

+ References

No definition available.

+ Details

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Namespace Prefix:	pre_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Period Type: