Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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As at 2022-12-31 |
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As at 2021-12-31 |
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As at 2021-12-31 |
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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 |
15,630,400,000
SEK
|
— | — | — | — | — | — |
14,574,100,000
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 |
3,864,200,000
SEK
|
1,740,900,000
SEK
|
466,300,000
SEK
|
27,800,000
SEK
|
353,600,000
SEK
|
3,836,400,000
SEK
|
1,275,600,000
SEK
|
3,870,300,000
SEK
|
532,200,000
SEK
|
35,500,000
SEK
|
1,673,400,000
SEK
|
353,600,000
SEK
|
3,834,800,000
SEK
|
1,275,600,000
SEK
|
1,420,200,000
SEK
|
227,100,000
SEK
|
1,275,600,000
SEK
|
3,303,900,000
SEK
|
3,276,500,000
SEK
|
27,400,000
SEK
|
353,600,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |