Statement Of Changes In Equity [Abstract]
| Concept |
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 |
|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||
| Statement of changes in equity [line items] | |||||
| Dividends recognised as distributions to owners of parent, relating to prior years | — | — | — |
7 76
SEK
|
7 76
SEK
|
| Dividends recognised as distributions to owners of parent, relating to current year |
935,000,000
SEK
|
935,000,000
SEK
|
— | — | — |
| Increase (decrease) through exercise of options, equity |
31,000,000
SEK
|
31,000,000
SEK
|
— |
31,000,000
SEK
|
31,000,000
SEK
|
| Purchase of treasury shares | — | — |
29,000,000
SEK
|
5 71
SEK
|
543,000,000
SEK
|