Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
1 164
SEK
|
1 168
SEK
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
25,000,000
SEK
|
25,000,000
SEK
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
11 2
SEK
|
−
SEK
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current restricted cash and cash equivalents |
2 9
SEK
|
1 8
SEK
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
7,000,000
SEK
|
3,000,000
SEK
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments and current accrued income other than current contract assets |
69,000,000
SEK
|
55,000,000
SEK
|
— |
| Other current receivables |
12,000,000
SEK
|
15,000,000
SEK
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
149,000,000
SEK
|
62,000,000
SEK
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at amortised cost |
26,000,000
SEK
|
−
SEK
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Current inventories held for sale |
0
SEK
|
1,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1 220
SEK
|
7 0
SEK
|
8 6
SEK
|
| Miscellaneous assets [abstract] | |||
| Derivative financial assets | — | — | — |
| Derivative financial assets held for hedging |
2 6
SEK
|
6,000,000
SEK
|
— |
| Classes of other provisions [abstract] | |||
| Provision for decommissioning, restoration and rehabilitation costs [abstract] | |||
| Non-current provision for decommissioning, restoration and rehabilitation costs |
6 2
SEK
|
49,000,000
SEK
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
925,000,000
SEK
|
37 0
SEK
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
27,000,000
SEK
|
146,000,000
SEK
|
— |
| Borrowings |
952,000,000
SEK
|
516,000,000
SEK
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
49,000,000
SEK
|
23,000,000
SEK
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current accruals and current deferred income including current contract liabilities |
4 6
SEK
|
3 0
SEK
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities | — | — | — |
| Derivative financial liabilities held for hedging |
1 33
SEK
|
1 5 8
SEK
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,000,000
SEK
|
3,000,000
SEK
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1 29
SEK
|
6 43
SEK
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
2 916
SEK
|
1 511
SEK
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1 483
SEK
|
21 2
SEK
|
— |
| Current liabilities |
258,000,000
SEK
|
361,000,000
SEK
|
— |
| Assets less current liabilities [abstract] | |||
| Net debt |
29 6
SEK
|
42 8
SEK
|
— |