| Reversed unsettled liabilities, contingent liabilities recognised in business combination | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Reversed unsettled liabilities, contingent liabilities recognised in business combination | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of contingent liabilities recognised in a business combination that were unsettled and subsequently reversed. [Refer: Contingent liabilities recognised in business combination; Business combinations [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Pasivos no liquidados revertidos, pasivos contingentes reconocidos en combinaciones de negocios | es | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Pasivos no liquidados revertidos, pasivos contingentes reconocidos en combinaciones de negocios | es | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |