Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
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As at 2020-12-31 |
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As at 2019-12-31 |
As at 2019-12-31 |
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As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
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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 | — | — |
4 729,0
SEK
|
— | — | — | — | — | — | — | — |
4 249,5
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 | — | — |
3 011,6
SEK
|
— | — | — | — | — | — | — | — |
2 948,7
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 |
1 293,0
SEK
|
3,459,000,000
SEK
|
1 717,4
SEK
|
–
SEK
|
773,000,000
SEK
|
12,000,000
SEK
|
1 007,6
SEK
|
–
SEK
|
3,459,000,000
SEK
|
12,000,000
SEK
|
539,000,000
SEK
|
1 300,8
SEK
|
1 382,0
SEK
|
12,000,000
SEK
|
12,000,000
SEK
|
–
SEK
|
1,328,000,000
SEK
|
3,459,000,000
SEK
|
1 382,0
SEK
|
1,328,000,000
SEK
|
9,021,000,000
SEK
|
12,000,000
SEK
|
–
SEK
|
–
SEK
|
12,000,000
SEK
|
3,459,000,000
SEK
|
–
SEK
|
12,000,000
SEK
|
–
SEK
|
9,009,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |