Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	chnr_IfrsStatementLineItems
Namespace Prefix:	chnr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

COMMITMENTS (Details) - 12 months ended Dec. 31, 2020	USD ($)	CNY (¥)
Statement Line Items [Line Items]
Payment of lease liabilities \| ¥		¥ 124
USD [Member]
Statement Line Items [Line Items]
Payment of lease liabilities \| $	$ 19