Disclosure Of Fair Value Measurement [Text Block]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — |
8,998,000,000
SEK
|
— | — | — | — | — |
9,228,000,000
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 | — |
3,802,000,000
SEK
|
— | — | — | — | — |
3,830,000,000
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 | — |
5,196,000,000
SEK
|
3,787,000,000
SEK
|
133,000,000
SEK
|
19,000,000
SEK
|
845,000,000
SEK
|
412,000,000
SEK
|
5,398,000,000
SEK
|
195,000,000
SEK
|
17,000,000
SEK
|
3,930,000,000
SEK
|
845,000,000
SEK
|
412,000,000
SEK
|
3,839,000,000
SEK
|
18,000,000
SEK
|
412,000,000
SEK
|
5,093,000,000
SEK
|
15,000,000
SEK
|
845,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |