Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||
| Profit (loss) | — |
711,000,000
SEK
|
— |
559,000,000
SEK
|
559,000,000
SEK
|
152,000,000
SEK
|
— |
706,000,000
SEK
|
801,000,000
SEK
|
706,000,000
SEK
|
— |
95,000,000
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
|
— | — | — | — | — | — |
13,000,000
SEK
|
— | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||
| Cash flow hedges [abstract] | ||||||||||||
| Reclassification adjustments on cash flow hedges, before tax | — |
29,000,000
SEK
|
— | — | — | — | — | — |
210,000,000
SEK
|
— | — | — |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
-
SEK
|
— | — | — | — | — | — |
-
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 | — |
109,000,000
SEK
|
— | — | — | — | — | — |
98,000,000
SEK
|
— | — | — |
| Other comprehensive income |
264,000,000
SEK
|
125,000,000
SEK
|
390,000,000
SEK
|
1,000,000
SEK
|
125,000,000
SEK
|
— |
214,000,000
SEK
|
93,000,000
SEK
|
93,000,000
SEK
|
13,000,000
SEK
|
294,000,000
SEK
|
— |
| Comprehensive income |
264,000,000
SEK
|
586,000,000
SEK
|
390,000,000
SEK
|
560,000,000
SEK
|
434,000,000
SEK
|
152,000,000
SEK
|
214,000,000
SEK
|
799,000,000
SEK
|
894,000,000
SEK
|
719,000,000
SEK
|
294,000,000
SEK
|
95,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — |
434,000,000
SEK
|
— | — | — | — | — | — |
799,000,000
SEK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
152,000,000
SEK
|
— | — | — | — | — | — |
95,000,000
SEK
|
— | — | — |