Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
275,000,000
SEK
|
— |
275,000,000
SEK
|
275,000,000
SEK
|
273,000,000
SEK
|
— |
4,000,000
SEK
|
269,000,000
SEK
|
269,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Other adjustments for non-cash items |
444,000,000
SEK
|
— | — | — |
425,000,000
SEK
|
— | — | — | — | — |
| Income taxes paid (refund), classified as operating activities |
79,000,000
SEK
|
— | — | — |
54,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) operating activities |
654,000,000
SEK
|
— | — | — |
923,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Purchase of property, plant and equipment, classified as investing activities |
282,000,000
SEK
|
— | — | — |
254,000,000
SEK
|
— | — | — | — | — |
| Purchase of intangible assets, classified as investing activities |
85,000,000
SEK
|
— | — | — |
84,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities |
821,000,000
SEK
|
— | — | — |
373,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Payments to acquire or redeem entity's shares |
–
SEK
|
— | — | — |
–
SEK
|
— | — | — | — | — |
| Proceeds from borrowings, classified as financing activities |
1 928
SEK
|
— | — | — |
184,000,000
SEK
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities |
1 381
SEK
|
— | — | — |
561,000,000
SEK
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities |
80,000,000
SEK
|
— | — | — |
100,000,000
SEK
|
— | — | — | — | — |
| Dividends paid, classified as financing activities |
150,000,000
SEK
|
— | — | — |
75,000,000
SEK
|
— | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities |
26,000,000
SEK
|
— | — | — |
18,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities |
271,000,000
SEK
|
— | — | — |
554,000,000
SEK
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
104,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents |
1,000,000
SEK
|
— | — | — |
6,000,000
SEK
|
— | — | — | — | — |
| Cash and cash equivalents | — |
109,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — |
3,000,000
SEK
|