| Increase (decrease) in contingent liabilities recognised in business combination | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total increase (decrease) in contingent liabilities recognised in business combination | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| The increase (decrease) in contingent liabilities recognised in a business combination. [Refer: Contingent liabilities recognised in business combination; Business combinations [member]; Contingent liabilities [member]] | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Ökning (minskning) i eventualförpliktelser redovisade i rörelseförvärv | sv | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Ökningen (minskningen) i eventualförpliktelser redovisade i ett rörelseförvärv. [Se: Eventualförpliktelser redovisade i rörelseförvärv; Rörelseförvärv [member]; Eventualförpliktelser [member]] | sv | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Total ökning (minskning) i eventualförpliktelser redovisade i rörelseförvärv | sv | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |