Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-01-01 |
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 2021-01-01 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||
| Property, plant and equipment |
7 589
SEK
|
— | — | — | — | — | — | — | — | — |
10 000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
1 507
SEK
|
— | — | — | — | — | — | — | — | — |
1 864
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
20 818
SEK
|
— | — | — | — | — | — | — | — | — |
18 792
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
5 744
SEK
|
— | — | — | — | — | — | — | — | — |
4 390
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
22 844
SEK
|
— | — | — | — | — | — | — | — | — |
1 823
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax assets |
1 068
SEK
|
— | — | — | — | — | — | — | — | — |
1 013
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
543,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
594,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3 924
SEK
|
— | — | — | — | — |
3 496
SEK
|
— | — | — |
3 460
SEK
|
— | — |
5 756
SEK
|
— | — | — | — | — | — |
| Assets |
77 066
SEK
|
— | — | — | — | — | — | — | — | — |
55 640
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Issued capital |
2 620
SEK
|
— | — | — | — | — | — | — | — | — |
2 620
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
5 339
SEK
|
— | — | — | — | — | — | — | — | — |
2 011
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
37 482
SEK
|
— | — | — | — | — | — | — | — | — |
32 990
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests |
6,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
37 488
SEK
|
5 339
SEK
|
6,000,000
SEK
|
29 297
SEK
|
2 620
SEK
|
226,000,000
SEK
|
— |
28 133
SEK
|
2 011
SEK
|
226,000,000
SEK
|
32 998
SEK
|
8,000,000
SEK
|
2 620
SEK
|
— |
25 717
SEK
|
8,000,000
SEK
|
226,000,000
SEK
|
2 620
SEK
|
382,000,000
SEK
|
28 953
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||
| Current tax liabilities |
1 360
SEK
|
— | — | — | — | — | — | — | — | — |
1 309
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
910,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
926,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
5 023
SEK
|
— | — | — | — | — | — | — | — | — |
5 82
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
77 066
SEK
|
— | — | — | — | — | — | — | — | — |
55 640
SEK
|
— | — | — | — | — | — | — | — | — |