ASSETS CLASSIFIED AS HELD FOR SALE	12 Months Ended
Dec. 31, 2019
ASSETS CLASSIFIED AS HELD FOR SALE [abstract]
Disclosure of assets classified as held for sale	17 ASSETS CLASSIFIED AS HELD FOR SALE By April 19, 2018, with the approval of the board of directors, the Group entered into an irrevocable land use right transfer agreement with the Guangzhou Land Development Center ("GLDC"), transferring the land to GLDC, and the transfer price was RMB1,304,717,000. The transfer of assets was not completed in 2019 and the Group received RMB848,066,000 from GLDC in advance (Note 28).

The disclosure of materials and supplies under current assets.

No definition available.

Name:	gsh_DisclosureOfAssetsClassifiedAsHeldForSaleExplanatory
Namespace Prefix:	gsh_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

17 ASSETS CLASSIFIED AS HELD FOR SALE