| The amount of decrease in the fair value measurement of the entity's own equity instruments, recognised in profit or loss before tax, due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. [Refer: Tax income (expense)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Decrease in fair value measurement due to change in multiple unobservable inputs to reflect reasonably possible alternative assumptions, recognised in profit or loss, before tax, entity's own equity instruments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |