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 |
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 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
2,698,000,000
SEK
|
— |
2,698,000,000
SEK
|
2,698,000,000
SEK
|
— | — |
3,778,000,000
SEK
|
3,778,000,000
SEK
|
3,778,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments to reconcile profit (loss) |
927,000,000
SEK
|
— | — | — | — | — | — |
5,292,000,000
SEK
|
— | — |
| Cash flows from (used in) operations |
1,797,000,000
SEK
|
— | — | — | — | — | — |
1,549,000,000
SEK
|
— | — |
| Income taxes paid (refund), classified as operating activities |
12,000,000
SEK
|
— | — | — | — | — | — |
12,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities |
1,746,000,000
SEK
|
— | — | — | — | — | — |
1,559,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Other inflows (outflows) of cash, classified as investing activities |
1,073,000,000
SEK
|
— | — | — | — | — | — |
3,235,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities |
749,000,000
SEK
|
— | — | — | — | — | — |
3,646,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Cash flows from (used in) financing activities |
1,302,000,000
SEK
|
— | — | — | — | — | — |
717,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes |
1,193,000,000
SEK
|
— | — | — | — | — | — |
2,805,000,000
SEK
|
— | — |
| Cash and cash equivalents | — |
3,057,000,000
SEK
|
— | — |
1,864,000,000
SEK
|
1,864,000,000
SEK
|
— | — | — |
4,669,000,000
SEK
|