| Other comprehensive income that will not be reclassified to profit or loss, net of tax | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total other comprehensive income that will not be reclassified to profit or loss, net of tax | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The amount of other comprehensive income that will not be reclassified to profit or loss, net of tax. [Refer: Other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |