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) |
—
SEK
|
—
SEK
|
609,000,000
SEK
|
609,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
470,000,000
SEK
|
470,000,000
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
|
—
SEK
|
7,000,000
SEK
|
7,000,000
SEK
|
—
SEK
|
1,000,000
SEK
|
—
SEK
|
—
SEK
|
1,000,000
SEK
|
—
SEK
|
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||
| Hedges of net investment in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | — | — |
185,000,000
SEK
|
— | — | — | — | — |
73,000,000
SEK
|
— |
| Other comprehensive income | — | — |
177,000,000
SEK
|
— | — | — | — | — |
60,000,000
SEK
|
— |
| Comprehensive income |
—
SEK
|
170,000,000
SEK
|
786,000,000
SEK
|
616,000,000
SEK
|
—
SEK
|
60,000,000
SEK
|
—
SEK
|
—
SEK
|
530,000,000
SEK
|
470,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
786,000,000
SEK
|
— | — | — | — | — |
530,000,000
SEK
|
— |