Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||||||
| Profit (loss) |
–
SEK
|
— |
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
325,000,000
SEK
|
325,000,000
SEK
|
325,000,000
SEK
|
2 236
SEK
|
–
SEK
|
2 226
SEK
|
— |
–
SEK
|
9,000,000
SEK
|
–
SEK
|
–
SEK
|
2 236
SEK
|
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||||||
| Other adjustments for non-cash items | — | — | — | — | — | — | — |
143,000,000
SEK
|
— | — | — |
2 428
SEK
|
— | — | — | — | — | — |
| Cash flows from (used in) operations | — | — | — | — | — | — | — |
477,000,000
SEK
|
— | — | — |
1 526
SEK
|
— | — | — | — | — | — |
| Dividends received, classified as operating activities | — | — | — | — | — | — | — |
500,000,000
SEK
|
— | — | — |
1 200
SEK
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — | — | — | — | — |
443,000,000
SEK
|
— | — | — |
222,000,000
SEK
|
— | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — | — | — | — | — | — |
16,000,000
SEK
|
— | — | — |
2,000,000
SEK
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — | — |
243,000,000
SEK
|
— | — | — |
367,000,000
SEK
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||||||
| Proceeds from issuing shares | — | — | — | — | — | — | — |
4 292
SEK
|
— | — | — |
–
SEK
|
— | — | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — | — |
–
SEK
|
— | — | — |
1 500
SEK
|
— | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — | — |
1 260
SEK
|
— | — | — |
1 720
SEK
|
— | — | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — | — | — | — | — |
116,000,000
SEK
|
— | — | — |
135,000,000
SEK
|
— | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — | — |
39,000,000
SEK
|
— | — | — |
22,000,000
SEK
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — | — |
2 910
SEK
|
— | — | — |
301,000,000
SEK
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — | — | — | — | — |
3 630
SEK
|
— | — | — |
858,000,000
SEK
|
— | — | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — | — | — | — | — |
32,000,000
SEK
|
— | — | — |
56,000,000
SEK
|
— | — | — | — | — | — |
| Cash and cash equivalents | — |
5 702
SEK
|
— | — | — | — | — | — | — | — | — | — |
2 036
SEK
|
— | — | — | — | — |