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 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 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 |
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 | — | — | — |
9,909,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
1 581,3
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 |
704,000,000
SEK
|
225,000,000
SEK
|
3,055,000,000
SEK
|
4,229,000,000
SEK
|
6,000,000
SEK
|
231,000,000
SEK
|
245,000,000
SEK
|
60,000,000
SEK
|
4,940,000,000
SEK
|
46,000,000
SEK
|
2,849,000,000
SEK
|
242,000,000
SEK
|
60,000,000
SEK
|
14,000,000
SEK
|
8,045,000,000
SEK
|
383,000,000
SEK
|
403,000,000
SEK
|
20,000,000
SEK
|
2,849,000,000
SEK
|
7,818,000,000
SEK
|
4,344,000,000
SEK
|
242,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |