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NOTES TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details 1) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥)
Notes To Consolidated Statements Of Cash Flows |  |  |
Within operating activities | $ (36) | ¥ (250) | ¥ (511)
Within financing activities | (181) | (1,253) | (1,613)
Total cash outflow for leases | $ (217) | ¥ (1,503) | ¥ (2,124)

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- Definition The cash outflow for leases with financing activities. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The cash outflow for leases with operating activities. + References No definition available. + Details
Name: | chnr_CashOutflowForLeasesWithinOperatingActivities
Namespace Prefix: | chnr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | chnr_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The cash outflow for leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 53 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_g&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
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