Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Investments accounted for using equity method | — |
106,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
188,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — |
1 469
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1 374
SEK
|
— | — | — | — | — | — | — | — |
| Other non-current financial assets | — |
1 007
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
751,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Non-current assets | — |
15 681
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
11 573
SEK
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories | — |
11 861
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
8 930
SEK
|
— | — | — | — | — | — | — | — |
| Current tax assets, current | — |
190,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
189,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Other current financial assets | — |
828,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
682,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Other current non-financial assets | — |
2 057
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1 414
SEK
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
10 792
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
15 053
SEK
|
— | — | — |
8 540
SEK
|
— | — | — | — |
| Current assets | — |
32 902
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
32 313
SEK
|
— | — | — | — | — | — | — | — |
| Assets | — |
48 583
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
43 886
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
500,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
500,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Retained earnings | — |
25 137
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
24 220
SEK
|
— | — | — | — | — | — | — | — |
| Share premium | — |
106,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
80,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Other reserves | — |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
1 107
SEK
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
25 729
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
23 693
SEK
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — |
56,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
46,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Equity |
25 137
SEK
|
25 785
SEK
|
0
SEK
|
25 729
SEK
|
106,000,000
SEK
|
56,000,000
SEK
|
14,000,000
SEK
|
500,000,000
SEK
|
24 220
SEK
|
46,000,000
SEK
|
0
SEK
|
23 693
SEK
|
500,000,000
SEK
|
1 107
SEK
|
80,000,000
SEK
|
23 739
SEK
|
22 761
SEK
|
52,000,000
SEK
|
730,000,000
SEK
|
22 813
SEK
|
58,000,000
SEK
|
21 473
SEK
|
0
SEK
|
500,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions for employee benefits | — |
356,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
806,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Other non-current provisions | — |
45 4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
323,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Deferred tax liabilities | — |
785,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
606,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Non-current liabilities | — |
10 360
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
11 280
SEK
|
— | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — |
289,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
296,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Trade and other current payables | — |
5 512
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3 605
SEK
|
— | — | — | — | — | — | — | — |
| Current tax liabilities, current | — |
562,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
391,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Current liabilities | — |
12 438
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
8 867
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — |
48 583
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
43 886
SEK
|
— | — | — | — | — | — | — | — |