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 |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
-
SEK
|
-
SEK
|
1 574
SEK
|
-
SEK
|
-
SEK
|
1 574
SEK
|
1 574
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
1 470
SEK
|
1 483
SEK
|
1 470
SEK
|
12,000,000
SEK
|
-
SEK
|
-
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 | — | — |
327,000,000
SEK
|
— | — | — | — | — | — | — | — |
660,000,000
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 | — | — |
2 27
SEK
|
— | — | — | — | — | — | — | — |
438,000,000
SEK
|
— | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Reclassification adjustments on cash flow hedges, before tax |
-
SEK
|
-
SEK
|
1 53
SEK
|
-
SEK
|
1 53
SEK
|
-
SEK
|
15 3
SEK
|
-
SEK
|
37,000,000
SEK
|
-
SEK
|
37,000,000
SEK
|
37,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
| Other comprehensive income, before tax, cash flow hedges | — | — |
965,000,000
SEK
|
— | — | — | — | — | — | — | — |
667,000,000
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 | — | — |
69,000,000
SEK
|
— | — | — | — | — | — | — | — |
1 2 9
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 |
-
SEK
|
-
SEK
|
32,000,000
SEK
|
-
SEK
|
32,000,000
SEK
|
-
SEK
|
32,000,000
SEK
|
-
SEK
|
8,000,000
SEK
|
-
SEK
|
8,000,000
SEK
|
8,000,000
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
-
SEK
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — | — |
199,000,000
SEK
|
— | — | — | — | — | — | — | — |
1 37
SEK
|
— | — | — | — |
| Other comprehensive income |
-
SEK
|
-
SEK
|
1 252
SEK
|
-
SEK
|
76 6
SEK
|
25 8
SEK
|
1 252
SEK
|
2 27
SEK
|
530,000,000
SEK
|
-
SEK
|
1 496
SEK
|
1 498
SEK
|
529,000,000
SEK
|
2,000,000
SEK
|
438,000,000
SEK
|
-
SEK
|
| Comprehensive income |
-
SEK
|
-
SEK
|
322,000,000
SEK
|
-
SEK
|
76 6
SEK
|
1 316
SEK
|
322,000,000
SEK
|
22 7
SEK
|
530,000,000
SEK
|
-
SEK
|
2 967
SEK
|
2 981
SEK
|
2 000
SEK
|
14,000,000
SEK
|
438,000,000
SEK
|
-
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
322,000,000
SEK
|
— | — | — | — | — | — | — | — |
2 967
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
-
SEK
|
— | — | — | — | — | — | — | — |
14,000,000
SEK
|
— | — | — | — |