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

No definition available.

+ Details

Name:	gsh_DisclosureOfOperatingLeaseCommitmentsLineItems
Namespace Prefix:	gsh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of operating expense arising from land use right lease.

+ References

No definition available.

+ Details

Name:	gsh_LandUseRightLeasesExpense
Namespace Prefix:	gsh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The lease terms for pre-paid lease payments, used for calculating the amortisation expense.

+ References

No definition available.

+ Details

Name:	gsh_LeaseTerms
Namespace Prefix:	gsh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The date on which the acquirer obtains control of the acquiree in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2017-01-01
-Paragraph B64
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B64_b&doctype=Appendix&seq=2
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_DateOfAcquisition2013
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	gsh_IfrsConsolidatedEntitiesAxis=gsh_GuangzhouRailwayGroupMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=gsh_GuangzhouRailwayGroupYangchengRailwayEnterpriseDevelopmentCompanyYangchengRailwayMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS - OPERATING LEASE COMMITMENTS - Narratives (Details) - CNY (¥)			12 Months Ended
	Oct. 26, 2016	Jan. 01, 2007	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Disclosure of operating lease commitments [line items]
Date of acquisition	Oct. 26, 2016	Jan. 01, 2007
Lease terms			20 years
Related lease rental paid and payable			¥ 57,358,000	¥ 55,090,000	¥ 55,090,000
Maximum [member]
Disclosure of operating lease commitments [line items]
Lease terms			50 years
Maximum [member] \| Guangzhou Railway Group [member] \| Yangcheng Railway Business [member]
Disclosure of operating lease commitments [line items]
Related lease rental paid and payable			¥ 74,000,000