Statement Of Comprehensive Income [Abstract]
| Concept |
2023-12-01 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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) | — |
9 796
SEK
|
242,000,000
SEK
|
9 554
SEK
|
9 554
SEK
|
— |
5 567
SEK
|
— |
571,000,000
EUR
|
5 567
SEK
|
497,000,000
SEK
|
1 190
SEK
|
— |
8 620
SEK
|
967,000,000
EUR
|
8 620
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) from investments in equity instruments | — |
5,000,000
SEK
|
— | — |
5,000,000
SEK
|
5,000,000
SEK
|
16,000,000
SEK
|
16,000,000
SEK
|
16,000,000
SEK
|
— | — | — |
0
SEK
|
0
SEK
|
0
SEK
|
— |
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — |
1 334
SEK
|
1,000,000
SEK
|
1 333
SEK
|
1 333
SEK
|
— |
2 296
SEK
|
— |
2 299
SEK
|
2 296
SEK
|
3,000,000
SEK
|
— | — |
148,000,000
SEK
|
148,000,000
SEK
|
148,000,000
SEK
|
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax | — |
1 320
SEK
|
583,000,000
SEK
|
— |
737,000,000
SEK
|
737,000,000
SEK
|
7 841
SEK
|
7 841
SEK
|
8 311
SEK
|
— |
470,000,000
SEK
|
888,000,000
SEK
|
4 592
SEK
|
4 592
SEK
|
5 480
SEK
|
— |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax | — |
4 360
SEK
|
— | — |
4 360
SEK
|
4 360
SEK
|
3 110
SEK
|
3 110
SEK
|
3 110
SEK
|
— | — | — |
4 142
SEK
|
4 142
SEK
|
4 142
SEK
|
— |
| Reclassification adjustments on cash flow hedges, before tax | — |
1 681
SEK
|
— | — |
1 681
SEK
|
1 681
SEK
|
5 252
SEK
|
5 252
SEK
|
5 252
SEK
|
— | — | — |
1 363
SEK
|
1 363
SEK
|
1 363
SEK
|
— |
| Hedges of net investment in foreign operations [abstract] | ||||||||||||||||
| Gains (losses) on hedges of net investments in foreign operations, before tax | — |
720,000,000
SEK
|
— | — |
720,000,000
SEK
|
720,000,000
SEK
|
1 397
SEK
|
1 397
SEK
|
1 397
SEK
|
— | — | — |
1 012
SEK
|
1 012
SEK
|
1 012
SEK
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, before tax | — |
SEK
|
— | — | — | — | — | — |
SEK
|
— | — | — | — |
15,000,000
SEK
|
15,000,000
SEK
|
15,000,000
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 |
1,000,000
SEK
|
161,000,000
SEK
|
SEK
|
162,000,000
SEK
|
161,000,000
SEK
|
— |
659,000,000
SEK
|
3,000,000
SEK
|
659,000,000
SEK
|
662,000,000
SEK
|
— | — |
0
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
13,000,000
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 | — |
582,000,000
SEK
|
— | — |
582,000,000
SEK
|
582,000,000
SEK
|
848,000,000
SEK
|
848,000,000
SEK
|
848,000,000
SEK
|
— | — | — |
536,000,000
SEK
|
539,000,000
SEK
|
539,000,000
SEK
|
3,000,000
SEK
|
| Other comprehensive income | — |
1 519
SEK
|
582,000,000
SEK
|
1 171
SEK
|
937,000,000
SEK
|
2 108
SEK
|
6 771
SEK
|
5 137
SEK
|
7 244
SEK
|
1 634
SEK
|
473,000,000
SEK
|
888,000,000
SEK
|
5 834
SEK
|
5 674
SEK
|
6 562
SEK
|
160,000,000
SEK
|
| Comprehensive income | — |
8 277
SEK
|
340,000,000
SEK
|
10 725
SEK
|
8 617
SEK
|
2 108
SEK
|
12 338
SEK
|
5 137
SEK
|
13 308
SEK
|
7 201
SEK
|
970,000,000
SEK
|
2 078
SEK
|
5 834
SEK
|
14 294
SEK
|
16 372
SEK
|
8 460
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
8 617
SEK
|
— | — | — | — | — | — |
12 338
SEK
|
— | — | — | — | — |
14 294
SEK
|
— |
| Comprehensive income, attributable to non-controlling interests | — |
340,000,000
SEK
|
— | — | — | — | — | — |
970,000,000
SEK
|
— | — | — | — | — |
2 078
SEK
|
— |