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 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 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 |
As at 2021-12-31 |
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| 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 | — |
8,691,000,000
SEK
|
— | — | — | — | — | — |
9,038,000,000
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 | — |
5,089,000,000
SEK
|
1,437,000,000
SEK
|
352,000,000
SEK
|
245,000,000
SEK
|
363,000,000
SEK
|
11,000,000
SEK
|
3,055,000,000
SEK
|
4,750,000,000
SEK
|
337,000,000
SEK
|
1,113,000,000
SEK
|
366,000,000
SEK
|
245,000,000
SEK
|
366,000,000
SEK
|
29,000,000
SEK
|
3,055,000,000
SEK
|
704,000,000
SEK
|
225,000,000
SEK
|
3,055,000,000
SEK
|
4,229,000,000
SEK
|
231,000,000
SEK
|
6,000,000
SEK
|
245,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |