| Reversal of impairment loss recognised in profit or loss, trade receivables | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Reversal of impairment loss recognised in profit or loss, trade receivables | en | http://www.xbrl.org/2009/role/negatedLabel | http://www.xbrl.org/2003/role/link |
| The amount of reversal of impairment loss recognised in profit or loss for trade receivables. [Refer: Reversal of impairment loss recognised in profit or loss; Trade receivables] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |