| The amount of decrease in the fair value measurement of assets, recognised in profit or loss after 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, after tax, assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |