Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Profit (loss) | — |
766,000,000
SEK
|
766,000,000
SEK
|
333,000,000
SEK
|
— |
333,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for provisions | — |
884,000,000
SEK
|
— | — | — |
861,000,000
SEK
|
— |
| Adjustments for fair value losses (gains) | — |
199,000,000
SEK
|
— | — | — |
301,000,000
SEK
|
— |
| Other adjustments for non-cash items | — |
0
SEK
|
— | — | — |
25,000,000
SEK
|
— |
| Interest paid, classified as operating activities | — |
345,000,000
SEK
|
— | — | — |
329,000,000
SEK
|
— |
| Interest received, classified as operating activities | — |
2 676
SEK
|
— | — | — |
2 187
SEK
|
— |
| Income taxes paid (refund), classified as operating activities | — |
69,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
3 655
SEK
|
— | — | — |
172,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
52,000,000
SEK
|
— | — | — |
-
SEK
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
-
SEK
|
— | — | — |
-
SEK
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
-
SEK
|
— | — | — |
-
SEK
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
1,000,000
SEK
|
— | — | — |
1,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
35,000,000
SEK
|
— | — | — |
38,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
16,000,000
SEK
|
— | — | — |
39,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing shares | — |
-
SEK
|
— | — | — |
1 014
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
25,000,000
SEK
|
— | — | — |
29,000,000
SEK
|
— |
| Cash flows from (used in) financing activities | — |
4 941
SEK
|
— | — | — |
1 435
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1 302
SEK
|
— | — | — |
1 302
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
29,000,000
SEK
|
— | — | — |
47,000,000
SEK
|
— |
| Cash and cash equivalents |
5 247
SEK
|
— | — | — |
3 916
SEK
|
— |
5 265
SEK
|