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Trade receivables - Summary of loss allowance for trade receivables (Detail) - CNY (¥) ¥ in Thousands | 6 Months Ended | 12 Months Ended
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Jun. 30, 2023 | Dec. 31, 2022
Disclosure of Trade Receivables [Abstract] |  |
Beginning of the year/period | ¥ 22,252 | ¥ 2,470
Provision for/ (reversal) of expected credit loss,net | (3,235) | 19,782
End of the year/period | ¥ 19,017 | ¥ 22,252

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2023-03-23 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The increase (decrease) in the allowance account used to record the impairment of financial assets due to credit losses. [Refer: Financial assets; Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expired 2023-01-01 -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseInAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Disclosure of Trade Receivables + References No definition available. + Details
Name: | naas_DisclosureOfTradeReceivablesAbstract
Namespace Prefix: | naas_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration