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 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
0
SEK
|
— |
241,000,000
SEK
|
241,000,000
SEK
|
241,000,000
SEK
|
234,000,000
SEK
|
— |
234,000,000
SEK
|
0
SEK
|
234,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in trade accounts receivable | — | — | — |
165,000,000
SEK
|
— | — | — |
144,000,000
SEK
|
— | — | — |
| Adjustments for increase (decrease) in trade accounts payable | — | — | — |
133,000,000
SEK
|
— | — | — |
268,000,000
SEK
|
— | — | — |
| Other adjustments for non-cash items | — | — | — |
9,000,000
SEK
|
— | — | — |
64,000,000
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — | — | — |
15,000,000
SEK
|
— | — | — |
7,000,000
SEK
|
— | — | — |
| Interest received, classified as operating activities | — | — | — |
12,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
11,000,000
SEK
|
— | — | — |
1 6
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
319,000,000
SEK
|
— | — | — |
237,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
12 9
SEK
|
— | — | — |
0
SEK
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
2 3
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
4,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — |
16 6
SEK
|
— | — | — |
60,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — | — | — |
–
SEK
|
— | — | — |
901,000,000
SEK
|
— | — | — |
| Payments to acquire or redeem entity's shares | — | — | — |
61,000,000
SEK
|
— | — | — |
–
SEK
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
196,000,000
SEK
|
— | — | — |
281,000,000
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
0
SEK
|
— | — | — |
204,000,000
SEK
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — |
1 07
SEK
|
— | — | — |
75,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
520,000,000
SEK
|
— | — | — |
866,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
35,000,000
SEK
|
— | — | — |
569,000,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
2,000,000
SEK
|
— | — | — |
7,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
8 97
SEK
|
— | — | — | — |
860,000,000
SEK
|
— | — | — |
298,000,000
SEK
|