Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | |||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | |||||||||||||||||
| Assets |
11 799,6
SEK
|
— | — | — | — | — |
8 639,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | |||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | |||||||||||||||||
| Equity |
3 303,9
SEK
|
1 647,3
SEK
|
1 275,6
SEK
|
3 276,5
SEK
|
274,000,000
SEK
|
3,536,000,000
SEK
|
2 907,8
SEK
|
3,536,000,000
SEK
|
1 257,7
SEK
|
209,000,000
SEK
|
1 275,6
SEK
|
2 887,0
SEK
|
1 147,7
SEK
|
2 777,0
SEK
|
2 777,0
SEK
|
1 275,6
SEK
|
3,536,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |