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 |
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 conversion of convertible instruments, equity |
8,000,000
SEK
|
0
SEK
|
8,000,000
SEK
|
—
SEK
|
8,000,000
SEK
|
2,000,000
SEK
|
176,000,000
SEK
|
174,000,000
SEK
|
176,000,000
SEK
|
| Purchase of treasury shares | — | — | — | — | — | — |
205,000,000
SEK
|
205,000,000
SEK
|
205,000,000
SEK
|
| Cancellation of treasury shares | — | — | — | — | — |
2,000,000
SEK
|
—
SEK
|
2,000,000
SEK
|
—
SEK
|