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v3.26.1

Basis of preparation of consolidated financial statements and material accounting policy information - Additional information (Details) | 12 Months Ended
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Dec. 31, 2025
Maximum |
Material Accounting Policies [Line Items] |
Trade receivables, write off period | 2 years

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- Definition Material Accounting Policies [Line Items] + References No definition available. + Details
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Namespace Prefix: | pre_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Trade Receivables, Write Off Period + References No definition available. + Details
Name: | pre_TradeReceivablesWriteOffPeriod
Namespace Prefix: | pre_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |