| Note | Expiry date 2019-01-01 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | IAS | http://www.xbrl.org/2009/role/commonPracticeRef |
| Number | 1 | http://www.xbrl.org/2009/role/commonPracticeRef |
| IssueDate | 2018-01-01 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 112 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | c | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-02&anchor=para_112_c&doctype=Standard&book=b | http://www.xbrl.org/2009/role/commonPracticeRef |
| URIDate | 2018-03-16 | http://www.xbrl.org/2009/role/commonPracticeRef |