Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-01-01 |
As at 2022-12-31 |
As at 2022-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
25,000,000
SEK
|
— |
14,000,000
SEK
|
— |
| Trade and other current receivables [abstract] | ||||
| Other current receivables |
49,000,000
SEK
|
— |
79,000,000
SEK
|
— |
| Categories of non-current financial assets [abstract] | ||||
| Non-current financial assets at fair value through profit or loss [abstract] | ||||
| Non-current financial assets at fair value through profit or loss |
157 547
SEK
|
— |
133 832
SEK
|
— |
| Categories of current financial assets [abstract] | ||||
| Current financial assets |
36,000,000
SEK
|
— |
36,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
869,000,000
SEK
|
795,000,000
SEK
|
795,000,000
SEK
|
697,000,000
SEK
|
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
6 509
SEK
|
— |
6 500
SEK
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings |
1 691
SEK
|
— |
1 682
SEK
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current net defined benefit liability |
0
SEK
|
— |
4,000,000
SEK
|
— |
| Other non-current liabilities |
40,000,000
SEK
|
— |
48,000,000
SEK
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
178,000,000
SEK
|
— |
208,000,000
SEK
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
1 088
SEK
|
— |
1 088
SEK
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings, profit (loss) for reporting period |
26 844
SEK
|
— |
13 967
SEK
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
120 885
SEK
|
— |
137 996
SEK
|
— |
| Miscellaneous equity [abstract] | ||||
| Additional paid-in capital |
1 063
SEK
|
— |
1 063
SEK
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
158 526
SEK
|
— |
134 756
SEK
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
954,000,000
SEK
|
— |
910,000,000
SEK
|
— |
| Current liabilities |
1 869
SEK
|
— |
1 890
SEK
|
— |
| Assets less current liabilities [abstract] |