| Tax expense (income), continuing operations | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tax income (expense) | en | http://www.xbrl.org/2009/role/negatedTerseLabel | http://www.xbrl.org/2003/role/link |
| Total tax expense (income) | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax that relate to continuing operations. Deferred tax is income tax payable (recoverable) in respect of the taxable profit (tax loss) for future reporting periods as a result of past transactions or events. [Refer: Current tax expense (income)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |