Statement Of Changes In Equity [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 changes in equity [abstract] | ||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||
| Equity |
1 864
SEK
|
— | — | — |
512,000,000
SEK
|
61,000,000
SEK
|
1 291
SEK
|
— | — |
19 4
SEK
|
1,000,000
SEK
|
808,000,000
SEK
|
— |
1 049
SEK
|
— |
48,000,000
SEK
|
— | — | — |
65,000,000
SEK
|
525,000,000
SEK
|
7,000,000
SEK
|
3,000,000
SEK
|
470,000,000
SEK
|
| Changes in equity [abstract] | ||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||
| Profit (loss) | — | — |
318,000,000
SEK
|
3 18
SEK
|
— | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — |
293,000,000
SEK
|
301,000,000
SEK
|
— | — | — | — | — |
| Comprehensive income | — | — |
3 19
SEK
|
318,000,000
SEK
|
— | — | — | — |
8,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — | — |
2 89
SEK
|
301,000,000
SEK
|
— | — | — | — | — |
| Issue of equity | — |
13,000,000
SEK
|
508,000,000
SEK
|
— | — | — | — |
495,000,000
SEK
|
— | — | — | — | — | — |
41,000,000
SEK
|
— |
2 76
SEK
|
3 17
SEK
|
— | — | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — |
8,000,000
SEK
|
8,000,000
SEK
|
— | — | — | — | — | — |