Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
1,235,000,000
SEK
|
— | — | — | — | — |
1,279,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
585,000,000
SEK
|
— | — | — | — | — |
531,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
3,445,000,000
SEK
|
— | — | — | — | — |
3,401,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
77,000,000
SEK
|
— | — | — | — | — |
118,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
344,000,000
SEK
|
— | — | — | — | — |
171,000,000
SEK
|
— | — | — | — | — | — | — | — |
249,000,000
SEK
|
— | — |
| Assets |
8,395,000,000
SEK
|
— | — | — | — | — |
7,983,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
845,000,000
SEK
|
— | — | — | — | — |
845,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3,821,000,000
SEK
|
— | — | — | — | — |
3,458,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
5,078,000,000
SEK
|
— | — | — | — | — |
4,715,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
15,000,000
SEK
|
— | — | — | — | — |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
5,093,000,000
SEK
|
3,839,000,000
SEK
|
18,000,000
SEK
|
412,000,000
SEK
|
15,000,000
SEK
|
845,000,000
SEK
|
4,729,000,000
SEK
|
3,564,000,000
SEK
|
845,000,000
SEK
|
14,000,000
SEK
|
412,000,000
SEK
|
106,000,000
SEK
|
3,675,000,000
SEK
|
14,000,000
SEK
|
38,000,000
SEK
|
4,984,000,000
SEK
|
412,000,000
SEK
|
845,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
196,000,000
SEK
|
— | — | — | — | — |
194,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
3,302,000,000
SEK
|
— | — | — | — | — |
3,254,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
8,395,000,000
SEK
|
— | — | — | — | — |
7,983,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |