Statement Of Comprehensive Income [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) |
9,000,000
SEK
|
12,000,000
SEK
|
21,000,000
SEK
|
21,000,000
SEK
|
— | — |
491,000,000
SEK
|
683,000,000
SEK
|
— |
491,000,000
SEK
|
192,000,000
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
-
SEK
|
— | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax |
7,000,000
SEK
|
— | — | — | — | — | — |
101,000,000
SEK
|
— | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income |
8,000,000
SEK
|
— | — | — | — | — | — |
14,000,000
SEK
|
— | — | — | — |
| Other comprehensive income |
15,000,000
SEK
|
1,000,000
SEK
|
0
SEK
|
15,000,000
SEK
|
8,000,000
SEK
|
7,000,000
SEK
|
105,000,000
SEK
|
117,000,000
SEK
|
29,000,000
SEK
|
45,000,000
SEK
|
12,000,000
SEK
|
89,000,000
SEK
|
| Comprehensive income |
7,000,000
SEK
|
13,000,000
SEK
|
21,000,000
SEK
|
6,000,000
SEK
|
8,000,000
SEK
|
7,000,000
SEK
|
596,000,000
SEK
|
800,000,000
SEK
|
29,000,000
SEK
|
536,000,000
SEK
|
204,000,000
SEK
|
89,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent |
6,000,000
SEK
|
— | — | — | — | — | — |
596,000,000
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests |
13,000,000
SEK
|
— | — | — | — | — | — |
204,000,000
SEK
|
— | — | — | — |