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 | — | — | — | — |
64 361
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
60 860
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 | — | — | — | — |
32 017
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31 789
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 |
1 117
SEK
|
808,000,000
SEK
|
2 770
SEK
|
29 937
SEK
|
32 344
SEK
|
148,000,000
SEK
|
217,000,000
SEK
|
1 285
SEK
|
32 096
SEK
|
220,000,000
SEK
|
248,000,000
SEK
|
28,000,000
SEK
|
163,000,000
SEK
|
495,000,000
SEK
|
2 770
SEK
|
28 908
SEK
|
1 117
SEK
|
2 447
SEK
|
28 824
SEK
|
1 728
SEK
|
29 071
SEK
|
123,000,000
SEK
|
156,000,000
SEK
|
7,000,000
SEK
|
129,000,000
SEK
|
27 600
SEK
|
147,000,000
SEK
|
1 383
SEK
|
2 770
SEK
|
27 747
SEK
|
2,000,000
SEK
|
95,000,000
SEK
|
1 117
SEK
|
82,000,000
SEK
|
25 271
SEK
|
18,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |