Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Dividends recognised as distributions to non-controlling interests |
1,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
1,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
2,000,000
SEK
|
-
SEK
|
2,000,000
SEK
|
-
SEK
|
-
SEK
|
| Increase (decrease) through transactions with owners, equity |
1,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
1,000,000
SEK
|
-
SEK
|
24,000,000
SEK
|
494,000,000
SEK
|
572,000,000
SEK
|
-
SEK
|
2,000,000
SEK
|
574,000,000
SEK
|
56,000,000
SEK
|