Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
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 2023-01-01 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||
| Profit (loss) |
–
SEK
|
41,000,000
SEK
|
— |
41,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — |
–
SEK
|
–
SEK
|
935,000,000
SEK
|
–
SEK
|
935,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||
| Adjustments for depreciation and amortisation expense | — |
731,000,000
SEK
|
— | — | — | — | — | — | — | — |
1,056,000,000
SEK
|
— | — | — |
| Adjustments for unrealised foreign exchange losses (gains) | — |
5,000,000
SEK
|
— | — | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — |
863,000,000
SEK
|
— | — | — | — | — | — | — | — |
473,000,000
SEK
|
— | — | — |
| Interest received, classified as operating activities | — |
3,548,000,000
SEK
|
— | — | — | — | — | — | — | — |
2,820,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — |
–
SEK
|
— | — | — | — | — | — | — | — |
0
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — |
6,960,000,000
SEK
|
— | — | — | — | — | — | — | — |
9,233,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — |
18,000,000
SEK
|
— | — | — | — | — | — | — | — |
28,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — |
949,000,000
SEK
|
— | — | — | — | — | — | — | — |
889,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — |
967,000,000
SEK
|
— | — | — | — | — | — | — | — |
916,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||
| Proceeds from issuing other equity instruments | — |
–
SEK
|
— | — | — | — | — | — | — | — |
187,000,000
SEK
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — |
56,000,000
SEK
|
— | — | — | — | — | — | — | — |
82,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — |
31,000,000
SEK
|
— | — | — | — | — | — | — | — |
116,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
7,958,000,000
SEK
|
— | — | — | — | — | — | — | — |
8,432,000,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
38,000,000
SEK
|
— | — | — | — | — | — | — | — |
–
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
7,958,000,000
SEK
|
— | — | — | — | — | — | — | — |
8,432,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — | — |
1,010,000,000
SEK
|
— | — | — |
9,006,000,000
SEK
|
9,006,000,000
SEK
|
— | — | — | — | — |
575,000,000
SEK
|