Profit Or Loss [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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||||||||
| Profit (loss) [abstract] | ||||||||||||||
| Other income | — | — | — | — | — |
-
SEK
|
— | — | — |
-
SEK
|
— | — | — | — |
| Employee benefits expense | — | — | — | — | — |
4,383,000,000
SEK
|
— | — | — |
3,255,000,000
SEK
|
— | — | — | — |
| Other expenses, by nature | — | — | — | — | — |
47,000,000
SEK
|
— | — | — |
188,000,000
SEK
|
— | — | — | — |
| Profit (loss) from operating activities | — | — | — | — | — |
2,645,000,000
SEK
|
— | — | — |
1,823,000,000
SEK
|
— | — | — | — |
| Finance income | — | — | — | — | — |
3,000,000
SEK
|
— | — | — |
0
SEK
|
— | — | — | — |
| Finance costs | — | — | — | — | — |
198,000,000
SEK
|
— | — | — |
120,000,000
SEK
|
— | — | — | — |
| Profit (loss) before tax | — | — | — | — | — |
2,450,000,000
SEK
|
— | — | — |
1,704,000,000
SEK
|
— | — | — | — |
| Tax expense (income) | — | — | — | — | — |
498,000,000
SEK
|
— | — | — |
376,000,000
SEK
|
— | — | — | — |
| Profit (loss) |
65,000,000
SEK
|
-
SEK
|
-
SEK
|
1,887,000,000
SEK
|
-
SEK
|
1,952,000,000
SEK
|
1,887,000,000
SEK
|
1,328,000,000
SEK
|
-
SEK
|
1,328,000,000
SEK
|
-
SEK
|
1,328,000,000
SEK
|
-
SEK
|
-
SEK
|
| Profit (loss), attributable to [abstract] | ||||||||||||||
| Profit (loss), attributable to owners of parent | — | — | — | — | — |
1,887,000,000
SEK
|
— | — | — |
1,328,000,000
SEK
|
— | — | — | — |
| Profit (loss), attributable to non-controlling interests | — | — | — | — | — |
65,000,000
SEK
|
— | — | — |
-
SEK
|
— | — | — | — |
| Earnings per share [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Earnings per share [abstract] | ||||||||||||||
| Earnings per share [line items] | ||||||||||||||
| Basic earnings per share [abstract] | ||||||||||||||
| Basic earnings (loss) per share | — | — | — | — | — |
287.00
|
— | — | — |
227.00
|
— | — | — | — |
| Diluted earnings per share [abstract] | ||||||||||||||
| Diluted earnings (loss) per share | — | — | — | — | — |
281.00
|
— | — | — |
221.00
|
— | — | — | — |