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 |
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) |
18,000,000
SEK
|
15,621,000,000
SEK
|
— |
15,639,000,000
SEK
|
13,639,000,000
SEK
|
7,000,000
SEK
|
13,633,000,000
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 | — |
22,000,000
SEK
|
— | — |
8,000,000
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 | — |
5,663,000,000
SEK
|
— | — |
2,537,000,000
SEK
|
— | — | — |
| Reclassification adjustments on exchange differences on translation of foreign operations, before tax | — |
–
SEK
|
— | — |
–
SEK
|
— | — | — |
| Cash flow hedges [abstract] | ||||||||
| Gains (losses) on cash flow hedges, before tax | — |
94,000,000
SEK
|
— | — |
66,000,000
SEK
|
— | — | — |
| Cost of hedging [abstract] | ||||||||
| Change in value of foreign currency basis spreads [abstract] | ||||||||
| Other comprehensive income, before tax, change in value of foreign currency basis spreads | — |
8,000,000
SEK
|
— | — |
23,000,000
SEK
|
— | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — |
1,000,000
SEK
|
— | — |
63,000,000
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 | — |
48,000,000
SEK
|
— | — |
7,000,000
SEK
|
— | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
3,000,000
SEK
|
— | — |
5,000,000
SEK
|
— | — | — |
| Other comprehensive income |
6,000,000
SEK
|
5,814,000,000
SEK
|
5,751,000,000
SEK
|
70,000,000
SEK
|
2,685,000,000
SEK
|
5,000,000
SEK
|
1,000,000
SEK
|
2,679,000,000
SEK
|
| Comprehensive income |
24,000,000
SEK
|
21,435,000,000
SEK
|
5,751,000,000
SEK
|
15,708,000,000
SEK
|
10,954,000,000
SEK
|
2,000,000
SEK
|
13,632,000,000
SEK
|
2,679,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — |
21,459,000,000
SEK
|
— | — |
10,953,000,000
SEK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
24,000,000
SEK
|
— | — |
2,000,000
SEK
|
— | — | — |