Statement Of Cash Flows [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-01-01 |
As at 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] | ||||||
| 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
|