Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) |
10,000,000
SEK
|
283,000,000
SEK
|
— |
273,000,000
SEK
|
368,000,000
SEK
|
— |
12,000,000
SEK
|
356,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for decrease (increase) in inventories | — |
12,000,000
SEK
|
— | — |
167,000,000
SEK
|
— | — | — | — |
| Adjustments for depreciation and amortisation expense | — |
403,000,000
SEK
|
— | — |
363,000,000
SEK
|
— | — | — | — |
| Adjustments for provisions | — |
4,000,000
SEK
|
— | — |
2,000,000
SEK
|
— | — | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — |
5,000,000
SEK
|
— | — |
7,000,000
SEK
|
— | — | — | — |
| Adjustments for fair value losses (gains) | — |
6,000,000
SEK
|
— | — |
2,000,000
SEK
|
— | — | — | — |
| Other adjustments for non-cash items | — |
0
SEK
|
— | — |
5,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) operations | — |
548,000,000
SEK
|
— | — |
500,000,000
SEK
|
— | — | — | — |
| Interest received, classified as operating activities | — |
5,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) operating activities | — |
780,000,000
SEK
|
— | — |
753,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
2,000,000
SEK
|
— | — |
4,000,000
SEK
|
— | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
636,000,000
SEK
|
— | — |
273,000,000
SEK
|
— | — | — | — |
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
9,000,000
SEK
|
— | — |
–
SEK
|
— | — | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
9,000,000
SEK
|
— | — |
0
SEK
|
— | — | — | — |
| Cash flows from (used in) investing activities | — |
741,000,000
SEK
|
— | — |
367,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
13,000,000
SEK
|
— | — |
40,000,000
SEK
|
— | — | — | — |
| Proceeds from borrowings, classified as financing activities | — |
635,000,000
SEK
|
— | — |
70,000,000
SEK
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities | — |
24,000,000
SEK
|
— | — |
141,000,000
SEK
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
194,000,000
SEK
|
— | — |
182,000,000
SEK
|
— | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — |
–
SEK
|
— | — |
2,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) financing activities | — |
183,000,000
SEK
|
— | — |
511,000,000
SEK
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
222,000,000
SEK
|
— | — |
125,000,000
SEK
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
0
SEK
|
— | — |
6,000,000
SEK
|
— | — | — | — |
| Cash and cash equivalents | — | — |
317,000,000
SEK
|
— | — |
96,000,000
SEK
|
— | — |
227,000,000
SEK
|