LONG-TERM RECEIVABLE (Details)	Dec. 31, 2017
Yangcheng Railway Business [member]
Disclosure of acquired receivables [line items]
Average effective interest rate for amortised cost, long-term receivable	6.54%

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

No definition available.

Name:	ifrs-full_DisclosureOfAcquiredReceivablesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration