Disclosure Of Fair Value Measurement [Text Block]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — |
6 359,4
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
3 218,3
SEK
|
— | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||
| Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for assets held at end of period, fair value measurement | — | — | — | — | — | — |
1,104,000,000
SEK
|
2,361,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — |
4 838,9
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
1 743,9
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 |
9,607,000,000
SEK
|
1 520,5
SEK
|
1 511,8
SEK
|
3,960,000,000
SEK
|
87,000,000
SEK
|
1,551,000,000
SEK
|
— | — |
9,208,000,000
SEK
|
47,000,000
SEK
|
1 469,7
SEK
|
1,551,000,000
SEK
|
3,938,000,000
SEK
|
1 474,4
SEK
|
1 229,9
SEK
|
0
SEK
|
1 229,9
SEK
|
3,921,000,000
SEK
|
6,827,000,000
SEK
|
1,551,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |