| Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The amount of other comprehensive income, net of tax, related to changes in the fair value of financial liabilities attributable to the changes in the credit risk of those liabilities. [Refer: Other comprehensive income; Credit risk [member]; Financial liabilities] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |