| Mastheads and publishing titles [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This member stands for a class of intangible assets representing rights acquired through registration to use mastheads and publishing titles. [Refer: Intangible assets other than goodwill] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Avisnavne og udgivelsestitler member] | da | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Dette element står for en kategori af immaterielle aktiver, der repræsenterer de rettigheder, der er erhvervet gennem registrering af avisnavne og udgivelsestitler. [Reference: immaterielle aktiver bortset fra goodwill] | da | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |