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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Trade and other non-current receivables |
52 3
SEK
|
— | — | — | — | — | — |
4 54
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
45 630
SEK
|
— | — | — | — | — | — |
38 338
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current tax assets, current |
216,000,000
SEK
|
— | — | — | — | — | — |
141,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 710
SEK
|
— | — | — | — | — | — |
1 516
SEK
|
— | — | — | — |
4 033
SEK
|
— | — | — | — | — |
| Current assets |
12 526
SEK
|
— | — | — | — | — | — |
9 599
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
58 156
SEK
|
— | — | — | — | — | — |
47 937
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
133,000,000
SEK
|
— | — | — | — | — | — |
133,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings |
36 582
SEK
|
— | — | — | — | — | — |
31 227
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Treasury shares |
12 1
SEK
|
— | — | — | — | — | — |
16 4
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves |
1 375
SEK
|
— | — | — | — | — | — |
357,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
37 969
SEK
|
— | — | — | — | — | — |
31 553
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
55,000,000
SEK
|
— | — | — | — | — | — |
13 3
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
38 024
SEK
|
55,000,000
SEK
|
36 582
SEK
|
121,000,000
SEK
|
133,000,000
SEK
|
1 375
SEK
|
1 6 4
SEK
|
31 686
SEK
|
31 227
SEK
|
3 57
SEK
|
133,000,000
SEK
|
133,000,000
SEK
|
29 148
SEK
|
133,000,000
SEK
|
81,000,000
SEK
|
29 018
SEK
|
83,000,000
SEK
|
1,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Other non-current financial liabilities |
7 528
SEK
|
— | — | — | — | — | — |
9 429
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
9 776
SEK
|
— | — | — | — | — | — |
11 227
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables |
1 7 74
SEK
|
— | — | — | — | — | — |
1 568
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
311,000,000
SEK
|
— | — | — | — | — | — |
222,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
4 866
SEK
|
— | — | — | — | — | — |
24 0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
10 356
SEK
|
— | — | — | — | — | — |
5 024
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities |
20 132
SEK
|
— | — | — | — | — | — |
16 251
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
58 156
SEK
|
— | — | — | — | — | — |
47 937
SEK
|
— | — | — | — | — | — | — | — | — | — |