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) |
4,700,000,000
SEK
|
— |
4,865,000,000
SEK
|
4,700,000,000
SEK
|
165,000,000
SEK
|
87,000,000
SEK
|
— |
3,223,000,000
SEK
|
3,311,000,000
SEK
|
3,223,000,000
SEK
|
| Other comprehensive income [abstract] | ||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — |
260,000,000
SEK
|
— | — | — | — | — |
88,000,000
SEK
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||
| Exchange differences on translation [abstract] | ||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — | — |
3,707,000,000
SEK
|
— | — | — | — | — |
1,785,000,000
SEK
|
— |
| Hedges of net investment in foreign operations [abstract] | ||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations | — | — |
816,000,000
SEK
|
— | — | — | — | — |
96,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — |
77,000,000
SEK
|
— | — | — | — | — |
26,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||
| Income tax relating to hedges of net investments in foreign operations included in other comprehensive income | — | — |
168,000,000
SEK
|
— | — | — | — | — |
20,000,000
SEK
|
— |
| Other comprehensive income |
3,234,000,000
SEK
|
3,051,000,000
SEK
|
3,242,000,000
SEK
|
183,000,000
SEK
|
8,000,000
SEK
|
3,000,000
SEK
|
1,705,000,000
SEK
|
1,768,000,000
SEK
|
1,771,000,000
SEK
|
63,000,000
SEK
|
| Comprehensive income | — | — |
8,107,000,000
SEK
|
— | — | — | — | — |
5,082,000,000
SEK
|
— |
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
7,934,000,000
SEK
|
— | — | — | — | — |
4,992,000,000
SEK
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — |
173,000,000
SEK
|
— | — | — | — | — |
90,000,000
SEK
|
— |