Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Profit (loss) |
1,283,000,000
SEK
|
— |
1,283,000,000
SEK
|
— |
1,776,000,000
SEK
|
1,776,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for decrease (increase) in inventories |
217,000,000
SEK
|
— | — | — |
364,000,000
SEK
|
— | — |
| Other adjustments for non-cash items |
998,000,000
SEK
|
— | — | — |
35,000,000
SEK
|
— | — |
| Interest paid, classified as operating activities |
376,000,000
SEK
|
— | — | — |
224,000,000
SEK
|
— | — |
| Interest received, classified as operating activities |
77,000,000
SEK
|
— | — | — |
14,000,000
SEK
|
— | — |
| Income taxes paid (refund), classified as operating activities |
16,000,000
SEK
|
— | — | — |
15,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities |
950,000,000
SEK
|
— | — | — |
1,566,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Purchase of property, plant and equipment, classified as investing activities |
185,000,000
SEK
|
— | — | — |
188,000,000
SEK
|
— | — |
| Purchase of intangible assets, classified as investing activities |
7,000,000
SEK
|
— | — | — |
51,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities |
2,008,000,000
SEK
|
— | — | — |
2,347,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Repayments of borrowings, classified as financing activities |
487,000,000
SEK
|
— | — | — |
–
SEK
|
— | — |
| Cash flows from (used in) financing activities |
701,000,000
SEK
|
— | — | — |
214,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
357,000,000
SEK
|
— | — | — |
4,128,000,000
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents |
31,000,000
SEK
|
— | — | — |
409,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
388,000,000
SEK
|
— | — | — |
3,718,000,000
SEK
|
— | — |
| Cash and cash equivalents | — |
1,710,000,000
SEK
|
— |
1,322,000,000
SEK
|
— | — |
5,041,000,000
SEK
|