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ASSET RETIREMENT OBLIGATIONS (Schedule of Asset Retirement Obligations) (Details) - 12 months ended Dec. 31, 2018 ¥ in Thousands	USD ($)	CNY (¥)
ForeignCurrencyLineItems [Line Items]
At January 1, 2017		¥ 5,302
Accretion expenses		60
Disposal of subsidiaries		(5,338)
Exchange adjustment		(24)
At December 31, 2018
USD [Member]
ForeignCurrencyLineItems [Line Items]
At January 1, 2017
Accretion expenses
Disposal of subsidiaries
Exchange adjustment
At December 31, 2018 | $

X

- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

No definition available.

+ Details

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Namespace Prefix:	chnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations.

+ References

No definition available.

+ Details

Name:	chnr_AssetRetirementObligationForeignCurrencyTranslationGainLosses
Namespace Prefix:	chnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Non-current portion of the carrying value of the obligation (known or estimated) arising from requirements to perform activities under asset retirement obligations or to remediate one or more sites, payable in twelve months or in the next operating cycle, if longer.

+ References

No definition available.

+ Details

Name:	chnr_AssetRetirementObligations
Namespace Prefix:	chnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

The gains (losses) recognised in association with the loss of control over a subsidiary, which are attributable to the former controlling interest.

+ References

No definition available.

+ Details

Name:	chnr_GainsLossesRecognisedWhenControlInSubsidiaryIsLost1
Namespace Prefix:	chnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: