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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
9,369,000,000
SEK
|
— | — | — |
7,433,000,000
SEK
|
— | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||
| Liabilities |
3,854,000,000
SEK
|
— | — | — |
3,130,000,000
SEK
|
— | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [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 |
5,515,000,000
SEK
|
5,324,000,000
SEK
|
9,000,000
SEK
|
200,000,000
SEK
|
4,303,000,000
SEK
|
4,132,000,000
SEK
|
200,000,000
SEK
|
29,000,000
SEK
|
3,182,000,000
SEK
|
48,000,000
SEK
|
3,430,000,000
SEK
|
200,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |