Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-01-01 |
As at 2021-12-31 |
As at 2021-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
52,000,000
SEK
|
— |
42,000,000
SEK
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
1,000,000
SEK
|
— |
1,000,000
SEK
|
— |
| Investment property [abstract] | ||||
| Investment property |
4 309,2
SEK
|
— |
3 994,1
SEK
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Non-current derivative financial assets |
1,045,000,000
SEK
|
— |
7,000,000
SEK
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
19,000,000
SEK
|
— |
31,000,000
SEK
|
— |
| Other current receivables |
229,000,000
SEK
|
— |
244,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
2,379,000,000
SEK
|
1,902,000,000
SEK
|
1,902,000,000
SEK
|
4,480,000,000
SEK
|
| Miscellaneous current assets [abstract] | ||||
| Current derivative financial assets |
9,000,000
SEK
|
— |
56,000,000
SEK
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
1 655,6
SEK
|
— |
1 721,3
SEK
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current portion of non-current borrowings |
2,340,000,000
SEK
|
— |
–
SEK
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Trade and other current payables |
221,000,000
SEK
|
— |
119,000,000
SEK
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current net defined benefit liability |
16,000,000
SEK
|
— |
10,000,000
SEK
|
— |
| Non-current derivative financial liabilities |
104,000,000
SEK
|
— |
14,000,000
SEK
|
— |
| Other non-current liabilities |
32,000,000
SEK
|
— |
31,000,000
SEK
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
–
SEK
|
— |
17,000,000
SEK
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
5,000,000
SEK
|
— |
5,000,000
SEK
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
6,917,000,000
SEK
|
— |
4,835,000,000
SEK
|
— |
| Accumulated other comprehensive income [abstract] | ||||
| Reserve of exchange differences on translation |
220,000,000
SEK
|
— |
50,000,000
SEK
|
— |
| Miscellaneous equity [abstract] | ||||
| Additional paid-in capital |
1 786,9
SEK
|
— |
1 786,9
SEK
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
4 684,0
SEK
|
— |
4 223,1
SEK
|
— |
| Liabilities |
2 182,9
SEK
|
— |
1 947,2
SEK
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
2,636,000,000
SEK
|
— |
2,234,000,000
SEK
|
— |
| Current liabilities |
3,164,000,000
SEK
|
— |
813,000,000
SEK
|
— |
| Assets less current liabilities [abstract] |