Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2 341
SEK
|
2 175
SEK
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
31,000,000
SEK
|
3 0
SEK
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
1 89
SEK
|
18 0
SEK
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current restricted cash and cash equivalents |
41,000,000
SEK
|
3 7
SEK
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
8,000,000
SEK
|
14,000,000
SEK
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments and current accrued income other than current contract assets |
49,000,000
SEK
|
3 8
SEK
|
— |
| Other current receivables |
23,000,000
SEK
|
2 2
SEK
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
29 0
SEK
|
248,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
762,000,000
SEK
|
917,000,000
SEK
|
1 220
SEK
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
3,000,000
SEK
|
58,000,000
SEK
|
— |
| Investments other than investments accounted for using equity method |
2 7
SEK
|
2 7
SEK
|
— |
| Borrowings [abstract] | |||
| Borrowings |
1 179
SEK
|
1 129
SEK
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current loans received | — | — | — |
| Non-current portion of non-current secured bank loans received |
579,000,000
SEK
|
1 075
SEK
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received | — | — | — |
| Current secured bank loans received and current portion of non-current secured bank loans received |
60 0
SEK
|
53,000,000
SEK
|
— |
| Borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
36,000,000
SEK
|
2 7
SEK
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current accruals and current deferred income including current contract liabilities |
111,000,000
SEK
|
88,000,000
SEK
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities at fair value through profit or loss [abstract] | |||
| Non-current financial liabilities at fair value through profit or loss |
18 3
SEK
|
2 00
SEK
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
2,000,000
SEK
|
2,000,000
SEK
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,000,000
SEK
|
4,000,000
SEK
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
525,000,000
SEK
|
337,000,000
SEK
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
1 338
SEK
|
1 499
SEK
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
3 868
SEK
|
3 807
SEK
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1 134
SEK
|
1 297
SEK
|
— |
| Current liabilities |
7 56
SEK
|
176,000,000
SEK
|
— |
| Assets less current liabilities [abstract] |