| Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a component of equity representing the accumulated gains and losses on financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Reserve for gevinster og tab på finansielle aktiver målt til dagsværdi gennem øvrig totalindkomst [member] | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Dette element står for et egenkapitalelement, der repræsenterer de akkumulerede gevinster og tab på finansielle aktiver målt til dagsværdi gennem øvrig totalindkomst. [Reference: finansielle aktiver målt til dagsværdi gennem øvrig totalindkomst, øvrig totalindkomst] | da | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |