Statement Of Changes In Equity [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||
| Statement of changes in equity [line items] | ||||||||||||
| Increase (decrease) through exercise of options, equity |
–
SEK
|
73,000,000
SEK
|
73,000,000
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
67,000,000
SEK
|
67,000,000
SEK
|
| Purchase of treasury shares |
–
SEK
|
0
SEK
|
0
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
0
SEK
|
0
SEK
|