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] | |||
| Other property, plant and equipment |
13,000,000
SEK
|
9,000,000
SEK
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
573,000,000
SEK
|
530,000,000
SEK
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
39,000,000
SEK
|
-
SEK
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
73,000,000
SEK
|
50,000,000
SEK
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepaid expenses |
38,000,000
SEK
|
32,000,000
SEK
|
— |
| Other current receivables |
2,000,000
SEK
|
22,000,000
SEK
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
29,000,000
SEK
|
27,000,000
SEK
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
42,000,000
SEK
|
56,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
223,000,000
SEK
|
239,000,000
SEK
|
218,000,000
SEK
|
| Trade and other current payables [abstract] | |||
| Current trade payables |
26,000,000
SEK
|
25,000,000
SEK
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
180,000,000
SEK
|
199,000,000
SEK
|
— |
| Accruals classified as current |
125,000,000
SEK
|
102,000,000
SEK
|
— |
| Other current payables |
52,000,000
SEK
|
35,000,000
SEK
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
300,000,000
SEK
|
456,000,000
SEK
|
— |
| Other non-current liabilities |
1,000,000
SEK
|
1,000,000
SEK
|
— |
| Issued capital [abstract] | |||
| Issued capital |
274,000,000
SEK
|
547,000,000
SEK
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
5 579
SEK
|
6 039
SEK
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
5 885
SEK
|
5 885
SEK
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
1,081,000,000
SEK
|
1 015
SEK
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
367,000,000
SEK
|
370,000,000
SEK
|
— |
| Current liabilities |
415,000,000
SEK
|
398,000,000
SEK
|
— |
| Assets less current liabilities [abstract] |