Corporate Information And Statement Of Ifrs Compliance [Abstract]
| Concept | 2023-01-01 to 2023-12-31 | 
|---|---|
| Corporate information and statement of IFRS compliance [abstract] | |
| Name of reporting entity or other means of identification |  | 
| Domicile of entity |  | 
| Legal form of entity |  | 
| Country of incorporation |  | 
| Address of entity's registered office |  | 
| Principal place of business |  | 
| Description of nature of entity's operations and principal activities |  | 
| Name of parent entity |  | 
| Name of ultimate parent of group |  | 
| Explanation of sources of estimation uncertainty with significant risk of causing material adjustment |  | 
| Disclosure of assets and liabilities with significant risk of material adjustment [text block] |  | 
| Disclosure of objectives, policies and processes for managing capital [text block] | 
                                                NOT 36
                                                
                                             | 
| Dividends recognised as distributions to owners per share | 
                                                1 ,00
                                                
                                             | 
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners | 
                                                59  131
                                                
                                                    
                                                        SEK
                                                    
                                                
                                             | 
| Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share | 
                                                1,0 0
                                                
                                             |