Disclosure Of Fair Value Measurement [Text Block]
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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 | — | — | — | — | — | — |
28 304
SEK
|
28 172
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 | — | — | — | — | — | — |
15 153
SEK
|
15 716
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 |
6 925
SEK
|
283,000,000
SEK
|
23,000,000
SEK
|
13 128
SEK
|
970,000,000
SEK
|
4 949
SEK
|
13 151
SEK
|
12 454
SEK
|
6 355
SEK
|
866,000,000
SEK
|
1,000,000
SEK
|
283,000,000
SEK
|
12 454
SEK
|
4 949
SEK
|
12 178
SEK
|
4 949
SEK
|
—
SEK
|
186,000,000
SEK
|
283,000,000
SEK
|
—
SEK
|
186,000,000
SEK
|
12 175
SEK
|
1 044
SEK
|
858,000,000
SEK
|
—
SEK
|
2,000,000
SEK
|
2,000,000
SEK
|
5 899
SEK
|
6 085
SEK
|
283,000,000
SEK
|
12 175
SEK
|
12 178
SEK
|
4 949
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |