Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Other property, plant and equipment |
11,000,000
SEK
|
13,000,000
SEK
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
537,000,000
SEK
|
573,000,000
SEK
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
29,000,000
SEK
|
39,000,000
SEK
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
69,000,000
SEK
|
73,000,000
SEK
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepaid expenses |
42,000,000
SEK
|
38,000,000
SEK
|
— |
| Other current receivables |
4,000,000
SEK
|
2,000,000
SEK
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
26,000,000
SEK
|
29,000,000
SEK
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
40,000,000
SEK
|
42,000,000
SEK
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
164,000,000
SEK
|
223,000,000
SEK
|
239,000,000
SEK
|
| Trade and other current payables [abstract] | |||
| Current trade payables |
27,000,000
SEK
|
26,000,000
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 |
170,000,000
SEK
|
180,000,000
SEK
|
— |
| Accruals classified as current |
118,000,000
SEK
|
125,000,000
SEK
|
— |
| Other current payables |
39,000,000
SEK
|
52,000,000
SEK
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
268,000,000
SEK
|
300,000,000
SEK
|
— |
| Other non-current liabilities |
0
SEK
|
1,000,000
SEK
|
— |
| Issued capital [abstract] | |||
| Issued capital |
298,000,000
SEK
|
274,000,000
SEK
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
975,000,000
SEK
|
1,081,000,000
SEK
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
309,000,000
SEK
|
367,000,000
SEK
|
— |
| Current liabilities |
378,000,000
SEK
|
415,000,000
SEK
|
— |
| Assets less current liabilities [abstract] |