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 |
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 | — | — |
11,000,000
SEK
|
— | — |
7,000,000
SEK
|
— | — |
| Profit (loss) from operating activities | — | — |
1 974
SEK
|
— | — |
1 706
SEK
|
— | — |
| Profit (loss) before tax | — | — |
1 897
SEK
|
— | — |
1 608
SEK
|
— | — |
| Tax expense (income) | — | — |
405,000,000
SEK
|
— | — |
316,000,000
SEK
|
— | — |
| Profit (loss) |
0
SEK
|
1 492
SEK
|
1 492
SEK
|
1 492
SEK
|
1 292
SEK
|
1 293
SEK
|
1,000,000
SEK
|
1 292
SEK
|
| Profit (loss), attributable to [abstract] | ||||||||
| Profit (loss), attributable to owners of parent | — | — |
1 492
SEK
|
— | — |
1 292
SEK
|
— | — |
| Profit (loss), attributable to non-controlling interests | — | — |
0
SEK
|
— | — |
1,000,000
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 | — | — |
418.00
|
— | — |
364.00
|
— | — |
| Diluted earnings per share [abstract] | ||||||||
| Diluted earnings (loss) per share | — | — |
417.00
|
— | — |
358.00
|
— | — |