Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
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2024-01-01 to 2024-12-31 |
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As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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As at 2022-12-31 |
As at 2022-12-31 |
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As at 2022-12-31 |
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| Disclosure of fair value measurement [text block] | — | — | — | — | — | — |
Fair value hierarchy for financial
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — |
119,413,000,000
SEK
|
— |
111,903,000,000
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 |
52,856,000,000
SEK
|
564,000,000
SEK
|
1,138,000,000
SEK
|
2,320,000,000
SEK
|
4,922,000,000
SEK
|
59,649,000,000
SEK
|
— |
169,000,000
SEK
|
61,969,000,000
SEK
|
61,969,000,000
SEK
|
54,956,000,000
SEK
|
48,833,000,000
SEK
|
2,213,000,000
SEK
|
564,000,000
SEK
|
1,138,000,000
SEK
|
2,119,000,000
SEK
|
52,743,000,000
SEK
|
89,000,000
SEK
|
54,956,000,000
SEK
|
2,116,000,000
SEK
|
564,000,000
SEK
|
44,915,000,000
SEK
|
1,138,000,000
SEK
|
5,139,000,000
SEK
|
51,927,000,000
SEK
|
171,000,000
SEK
|
54,043,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |