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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Deferred tax assets |
102,000,000
SEK
|
— | — | — | — |
79,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 541
SEK
|
— | — | — | — |
1 320
SEK
|
— | — | — | — |
1 200
SEK
|
— | — | — | — |
| Assets |
23 553
SEK
|
— | — | — | — |
17 963
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
69,000,000
SEK
|
— | — | — | — |
69,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
9 831
SEK
|
— | — | — | — |
9 415
SEK
|
— | — | — | — | — | — | — | — | — |
| Share premium |
619,000,000
SEK
|
— | — | — | — |
619,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
3 248
SEK
|
— | — | — | — |
1 547
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
13 767
SEK
|
— | — | — | — |
11 650
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
13 767
SEK
|
619,000,000
SEK
|
9 831
SEK
|
69,000,000
SEK
|
3 248
SEK
|
11 650
SEK
|
9 415
SEK
|
1 547
SEK
|
619,000,000
SEK
|
69,000,000
SEK
|
9 133
SEK
|
69,000,000
SEK
|
7 849
SEK
|
596,000,000
SEK
|
619,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
825,000,000
SEK
|
— | — | — | — |
602,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
23 553
SEK
|
— | — | — | — |
17 963
SEK
|
— | — | — | — | — | — | — | — | — |