| The amount of increase (decrease) in the fair value measurement of the entity's own equity instruments, recognised in other comprehensive income before tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, recognised in other comprehensive income, before tax, entity's own equity instruments | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |