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 |
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
|
15 301
SEK
|
1,000,000
SEK
|
15 300
SEK
|
15 300
SEK
|
–
SEK
|
–
SEK
|
11 212
SEK
|
–
SEK
|
11 225
SEK
|
11 212
SEK
|
13,000,000
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 | — | — |
510,000,000
SEK
|
— | — | — | — | — | — | — |
3 405
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 | — | — |
3 113
SEK
|
— | — | — | — | — | — | — |
7 616
SEK
|
— | — | — |
| Cash flow hedges [abstract] | ||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — | — |
1 052
SEK
|
— | — | — | — | — | — | — |
98,000,000
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 | — | — |
167,000,000
SEK
|
— | — | — | — | — | — | — |
786,000,000
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 | — | — |
217,000,000
SEK
|
— | — | — | — | — | — | — |
34,000,000
SEK
|
— | — | — |
| Other comprehensive income |
–
SEK
|
–
SEK
|
2 623
SEK
|
1,000,000
SEK
|
344,000,000
SEK
|
2 622
SEK
|
2 278
SEK
|
–
SEK
|
10 172
SEK
|
7 553
SEK
|
10 172
SEK
|
2 619
SEK
|
–
SEK
|
–
SEK
|
| Comprehensive income |
–
SEK
|
–
SEK
|
12 678
SEK
|
0
SEK
|
14 956
SEK
|
12 678
SEK
|
2 278
SEK
|
–
SEK
|
21 385
SEK
|
7 553
SEK
|
21 398
SEK
|
13 832
SEK
|
13,000,000
SEK
|
–
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — |
12 678
SEK
|
— | — | — | — | — | — | — |
21 385
SEK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — |
0
SEK
|
— | — | — | — | — | — | — |
13,000,000
SEK
|
— | — | — |