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 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
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 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 |
150,752,000,000
SEK
|
— | — | — | — | — |
129,110,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | |||||||||||||||||
| Changes in fair value measurement, assets [abstract] | |||||||||||||||||
| Gains (losses) recognised in profit or loss, fair value measurement, assets [abstract] | |||||||||||||||||
| Gains (losses) recognised in profit or loss excluding exchange differences, fair value measurement, assets | — | — | — | — | — |
18,774,000,000
SEK
|
— |
8,008,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| 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 |
143,079,000,000
SEK
|
1,063,000,000
SEK
|
1,088,000,000
SEK
|
114,334,000,000
SEK
|
26,594,000,000
SEK
|
— |
120,976,000,000
SEK
|
— |
1,088,000,000
SEK
|
1,063,000,000
SEK
|
110,385,000,000
SEK
|
8,440,000,000
SEK
|
1,088,000,000
SEK
|
112,528,000,000
SEK
|
1,063,000,000
SEK
|
29,837,000,000
SEK
|
80,540,000,000
SEK
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |