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 |
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) |
2 081
SEK
|
8 383
SEK
|
— |
6 302
SEK
|
6 302
SEK
|
8 678
SEK
|
— |
1 423
SEK
|
7 255
SEK
|
7 255
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in inventories | — |
739,000,000
SEK
|
— | — | — |
2,000,000
SEK
|
— | — | — | — | — |
| Adjustments for depreciation and amortisation expense | — |
1 456
SEK
|
— | — | — |
1 417
SEK
|
— | — | — | — | — |
| Adjustments for fair value losses (gains) | — |
233,000,000
SEK
|
— | — | — |
4 570
SEK
|
— | — | — | — | — |
| Adjustments for undistributed profits of associates | — |
2 322
SEK
|
— | — | — |
5 235
SEK
|
— | — | — | — | — |
| Other adjustments for non-cash items | — |
1,000,000
SEK
|
— | — | — |
378,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — |
7 665
SEK
|
— | — | — |
9 893
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
38,000,000
SEK
|
— | — | — |
15,000,000
SEK
|
— | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
1 956
SEK
|
— | — | — |
1 497
SEK
|
— | — | — | — | — |
| Purchase of other long-term assets, classified as investing activities | — |
19,000,000
SEK
|
— | — | — |
112,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — |
5 876
SEK
|
— | — | — |
5 158
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 | — |
647,000,000
SEK
|
— | — | — |
1 119
SEK
|
— | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — |
7 600
SEK
|
— | — | — |
8 900
SEK
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — |
6 700
SEK
|
— | — | — |
10 100
SEK
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
133,000,000
SEK
|
— | — | — |
127,000,000
SEK
|
— | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — |
3,000,000
SEK
|
— | — | — |
0
SEK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — |
2 549
SEK
|
— | — | — |
5 498
SEK
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
760,000,000
SEK
|
— | — | — |
764,000,000
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
|
— | — | — |
3,000,000
SEK
|
— | — | — | — | — |
| Cash and cash equivalents | — | — |
1 271
SEK
|
— | — | — |
2 030
SEK
|
— | — | — |
2 790
SEK
|