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 |
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) |
0
SEK
|
1 013
SEK
|
— |
134,000,000
SEK
|
— | — |
879,000,000
SEK
|
879,000,000
SEK
|
— |
6 63
SEK
|
152,000,000
SEK
|
— |
511,000,000
SEK
|
511,000,000
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 | — |
1,000,000
SEK
|
— | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — |
| Other comprehensive income, before tax, exchange differences on translation, other than translation of foreign operations | — |
340,000,000
SEK
|
— | — | — | — | — | — | — |
264,000,000
SEK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
363,000,000
SEK
|
— | — | — | — | — | — | — |
528,000,000
SEK
|
— | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax | — |
2,000,000
SEK
|
— | — | — | — | — | — | — |
37,000,000
SEK
|
— | — | — | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income | — |
37,000,000
SEK
|
— | — | — | — | — | — | — |
–
SEK
|
— | — | — | — |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||
| Income tax relating to exchange differences on translation of foreign operations included in other comprehensive income | — |
0
SEK
|
— | — | — | — | — | — | — |
–
SEK
|
— | — | — | — |
| Income tax relating to cash flow hedges included in other comprehensive income | — |
75,000,000
SEK
|
— | — | — | — | — | — | — |
109,000,000
SEK
|
— | — | — | — |
| Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income | — |
8,000,000
SEK
|
— | — | — | — | — | — | — |
–
SEK
|
— | — | — | — |
| Other comprehensive income | — |
20,000,000
SEK
|
290,000,000
SEK
|
— |
29,000,000
SEK
|
340,000,000
SEK
|
1,000,000
SEK
|
20,000,000
SEK
|
26 4
SEK
|
12 5
SEK
|
— |
390,000,000
SEK
|
1,000,000
SEK
|
125,000,000
SEK
|
| Comprehensive income |
0
SEK
|
1 033
SEK
|
290,000,000
SEK
|
134,000,000
SEK
|
29,000,000
SEK
|
340,000,000
SEK
|
878,000,000
SEK
|
899,000,000
SEK
|
264,000,000
SEK
|
538,000,000
SEK
|
152,000,000
SEK
|
390,000,000
SEK
|
512,000,000
SEK
|
386,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
899,000,000
SEK
|
— | — | — | — | — | — | — |
386,000,000
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
0
SEK
|
— | — | — | — | — | — | — |
–
SEK
|
— | — | — | — |