Statement Of Comprehensive Income [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
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 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) | — |
4 210
SEK
|
— | — | — | — | — |
3 443
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) from investments in equity instruments | — |
1 371
SEK
|
— | — | — | — | — |
39,000,000
SEK
|
— | — | — | — |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
348,000,000
SEK
|
— | — | — | — | — |
682,000,000
SEK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — |
486,000,000
SEK
|
— | — | — | — | — |
422,000,000
SEK
|
— | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
1 737
SEK
|
— | — | — | — | — |
841,000,000
SEK
|
— | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — |
623,000,000
SEK
|
— | — | — | — | — |
34,000,000
SEK
|
— | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||
| Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax | — |
2,000,000
SEK
|
— | — | — | — | — |
-
SEK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to investments in equity instruments included in other comprehensive income | — |
8,000,000
SEK
|
— | — | — | — | — |
8,000,000
SEK
|
— | — | — | — |
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — |
72,000,000
SEK
|
— | — | — | — | — |
140,000,000
SEK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — |
492,000,000
SEK
|
— | — | — | — | — |
170,000,000
SEK
|
— | — | — | — |
| Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income | — |
1,000,000
SEK
|
— | — | — | — | — |
-
SEK
|
— | — | — | — |
| Other comprehensive income | — |
258,000,000
SEK
|
— | — | — | — | — |
358,000,000
SEK
|
— | — | — | — |
| Comprehensive income |
60,000,000
SEK
|
4 468
SEK
|
1 868
SEK
|
465,000,000
SEK
|
5 811
SEK
|
4 408
SEK
|
407,000,000
SEK
|
3 085
SEK
|
47,000,000
SEK
|
637,000,000
SEK
|
2 808
SEK
|
3 038
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
4 408
SEK
|
— | — | — | — | — |
3 038
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
60,000,000
SEK
|
— | — | — | — | — |
47,000,000
SEK
|
— | — | — | — |