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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Dividends paid, classified as operating activities | — |
100,000,000
SEK
|
100,000,000
SEK
|
— |
84,000,000
SEK
|
84,000,000
SEK
|
— |
| Dividends received, classified as operating activities | — |
2,000,000
SEK
|
— | — |
0
SEK
|
— | — |
| Interest paid, classified as operating activities | — |
27,000,000
SEK
|
— | — |
17,000,000
SEK
|
— | — |
| Interest received, classified as operating activities | — |
4,000,000
SEK
|
— | — |
0
SEK
|
— | — |
| Other inflows (outflows) of cash, classified as operating activities | — |
6,000,000
SEK
|
— | — |
4,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities | — |
714,000,000
SEK
|
— | — |
437,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
513,000,000
SEK
|
— | — |
360,000,000
SEK
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
66,000,000
SEK
|
— | — |
3,000,000
SEK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
14,000,000
SEK
|
— | — |
8,000,000
SEK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — |
115,000,000
SEK
|
— | — |
100,000,000
SEK
|
— | — |
| Proceeds from sales of other long-term assets, classified as investing activities | — |
6,000,000
SEK
|
— | — |
4,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities | — |
490,000,000
SEK
|
— | — |
398,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing other equity instruments | — |
3,000,000
SEK
|
— | — |
6,000,000
SEK
|
— | — |
| Payments to acquire or redeem entity's shares | — |
23,000,000
SEK
|
— | — |
72,000,000
SEK
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
304,000,000
SEK
|
— | — |
770,000,000
SEK
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
153,000,000
SEK
|
— | — |
855,000,000
SEK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
94,000,000
SEK
|
— | — |
70,000,000
SEK
|
— | — |
| Dividends paid, classified as financing activities | — |
100,000,000
SEK
|
— | — |
84,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities | — |
63,000,000
SEK
|
— | — |
305,000,000
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
33,000,000
SEK
|
— | — |
28,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
161,000,000
SEK
|
— | — |
266,000,000
SEK
|
— | — |
| Cash and cash equivalents |
600,000,000
SEK
|
— | — |
406,000,000
SEK
|
— | — |
644,000,000
SEK
|