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 |
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 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) |
—
SEK
|
14 066
SEK
|
1 013
SEK
|
13 053
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
13 053
SEK
|
—
SEK
|
—
SEK
|
15 577
SEK
|
17 003
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
15 577
SEK
|
1 426
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 |
—
SEK
|
1 815
SEK
|
—
SEK
|
1 815
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
1 815
SEK
|
—
SEK
|
—
SEK
|
4 560
SEK
|
4 560
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
4 560
SEK
|
—
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 |
—
SEK
|
1 240
SEK
|
229,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
1 011
SEK
|
1 011
SEK
|
—
SEK
|
3 902
SEK
|
3 872
SEK
|
—
SEK
|
—
SEK
|
3 902
SEK
|
—
SEK
|
—
SEK
|
30,000,000
SEK
|
| Cash flow hedges [abstract] | ||||||||||||||||||
| Gains (losses) on cash flow hedges, before tax |
—
SEK
|
1 976
SEK
|
24,000,000
SEK
|
—
SEK
|
—
SEK
|
2 000
SEK
|
—
SEK
|
2 000
SEK
|
—
SEK
|
—
SEK
|
2 102
SEK
|
2 289
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
2 102
SEK
|
—
SEK
|
187,000,000
SEK
|
| Hedges of net investment in foreign operations [abstract] | ||||||||||||||||||
| Other comprehensive income, before tax, hedges of net investments in foreign operations |
—
SEK
|
131,000,000
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
—
SEK
|
131,000,000
SEK
|
131,000,000
SEK
|
—
SEK
|
710,000,000
SEK
|
710,000,000
SEK
|
—
SEK
|
—
SEK
|
710,000,000
SEK
|
—
SEK
|
—
SEK
|
—
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 | — |
424,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
998,000,000
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 | — |
435,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
319,000,000
SEK
|
— | — | — | — | — | — |
| Other comprehensive income |
—
SEK
|
959,000,000
SEK
|
249,000,000
SEK
|
1 391
SEK
|
—
SEK
|
1 588
SEK
|
—
SEK
|
710,000,000
SEK
|
907,000,000
SEK
|
—
SEK
|
8 573
SEK
|
8 694
SEK
|
—
SEK
|
—
SEK
|
3 339
SEK
|
1 672
SEK
|
3 562
SEK
|
121,000,000
SEK
|
| Comprehensive income |
—
SEK
|
13 107
SEK
|
764,000,000
SEK
|
11 662
SEK
|
—
SEK
|
1 588
SEK
|
—
SEK
|
12 343
SEK
|
907,000,000
SEK
|
—
SEK
|
24 150
SEK
|
25 697
SEK
|
—
SEK
|
—
SEK
|
3 339
SEK
|
1 672
SEK
|
19 139
SEK
|
1 547
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
12 343
SEK
|
— | — | — | — | — | — | — | — | — |
24 150
SEK
|
— | — | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — |
764,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1 547
SEK
|
— | — | — | — | — | — |