Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) | — | — |
5,764,000,000
SEK
|
— | — | — | — | — |
4,696,000,000
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 | — | — |
83,000,000
SEK
|
— | — | — | — | — |
83,000,000
SEK
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
2,622,000,000
SEK
|
2,622,000,000
SEK
|
2,622,000,000
SEK
|
— | — |
12,000,000
SEK
|
1,563,000,000
SEK
|
1,563,000,000
SEK
|
1,575,000,000
SEK
|
— |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — |
8,872,000,000
SEK
|
— | — | — | — | — |
6,362,000,000
SEK
|
— |
| Other comprehensive income | — | — |
3,108,000,000
SEK
|
— | — | — | — | — |
1,666,000,000
SEK
|
— |
| Comprehensive income |
8,871,000,000
SEK
|
3,025,000,000
SEK
|
8,872,000,000
SEK
|
5,846,000,000
SEK
|
1,000,000
SEK
|
53,000,000
SEK
|
1,571,000,000
SEK
|
6,309,000,000
SEK
|
6,362,000,000
SEK
|
4,738,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
8,871,000,000
SEK
|
— | — | — | — | — |
6,309,000,000
SEK
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — |
1,000,000
SEK
|
— | — | — | — | — |
53,000,000
SEK
|
— |