Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
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 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||
| Profit (loss) | — |
17,000,000
SEK
|
17,000,000
SEK
|
17,000,000
SEK
|
0
SEK
|
0
SEK
|
— |
24 1
SEK
|
24 1
SEK
|
241,000,000
SEK
|
— | — |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||
| Adjustments for decrease (increase) in trade accounts receivable | — | — |
16,000,000
SEK
|
— | — | — | — | — |
165,000,000
SEK
|
— | — | — |
| Adjustments for increase (decrease) in trade accounts payable | — | — |
2 07
SEK
|
— | — | — | — | — |
13 3
SEK
|
— | — | — |
| Other adjustments for non-cash items | — | — |
8,000,000
SEK
|
— | — | — | — | — |
9,000,000
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — | — |
49,000,000
SEK
|
— | — | — | — | — |
1 5
SEK
|
— | — | — |
| Interest received, classified as operating activities | — | — |
26,000,000
SEK
|
— | — | — | — | — |
12,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — |
15,000,000
SEK
|
— | — | — | — | — |
11,000,000
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — |
891,000,000
SEK
|
— | — | — | — | — |
319,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
0
SEK
|
— | — | — | — | — |
129,000,000
SEK
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
2,000,000
SEK
|
— | — | — | — | — |
23,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — |
6,000,000
SEK
|
— | — | — | — | — |
4,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — |
0
SEK
|
— | — | — | — | — |
166,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||
| Payments to acquire or redeem entity's shares | — | — |
24,000,000
SEK
|
— | — | — | — | — |
61,000,000
SEK
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
662,000,000
SEK
|
— | — | — | — | — |
196,000,000
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
2,000,000
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — |
| Dividends paid, classified as financing activities | — | — |
112,000,000
SEK
|
— | — | — | — | — |
1 07
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — |
524,000,000
SEK
|
— | — | — | — | — |
520,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
3 67
SEK
|
— | — | — | — | — |
35,000,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
4,000,000
SEK
|
— | — | — | — | — |
2,000,000
SEK
|
— | — | — |
| Cash and cash equivalents |
534,000,000
SEK
|
— | — | — | — | — |
897,000,000
SEK
|
— | — | — |
8 97
SEK
|
860,000,000
SEK
|