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 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 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 |
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] | ||||||||||||||||||||||||||||||||||||
| Right-of-use assets | — | — | — | — |
2,324,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,152,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — |
22,480,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
19,080,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
1,694,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,792,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — |
38,212,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
33,238,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — |
10,525,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9,223,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — |
11,952,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
10,576,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — |
883,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
521,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — |
291,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,618,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
3,356,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,150,000,000
SEK
|
— | — | — | — | — | — | — | — |
5,594,000,000
SEK
|
— | — | — | — | — | — |
| Current assets | — | — | — | — |
26,149,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,622,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
64,361,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
60,860,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — |
1,117,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,117,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
29,937,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
28,824,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — |
1,728,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,803,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
32,096,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
28,908,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — |
248,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
163,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
808,000,000
SEK
|
2,770,000,000
SEK
|
28,000,000
SEK
|
29,937,000,000
SEK
|
32,344,000,000
SEK
|
148,000,000
SEK
|
217,000,000
SEK
|
1,285,000,000
SEK
|
32,096,000,000
SEK
|
220,000,000
SEK
|
248,000,000
SEK
|
1,117,000,000
SEK
|
163,000,000
SEK
|
495,000,000
SEK
|
2,770,000,000
SEK
|
28,908,000,000
SEK
|
1,117,000,000
SEK
|
2,447,000,000
SEK
|
28,824,000,000
SEK
|
1,728,000,000
SEK
|
29,071,000,000
SEK
|
123,000,000
SEK
|
156,000,000
SEK
|
7,000,000
SEK
|
129,000,000
SEK
|
27,600,000,000
SEK
|
147,000,000
SEK
|
1,383,000,000
SEK
|
2,770,000,000
SEK
|
27,747,000,000
SEK
|
2,000,000
SEK
|
95,000,000
SEK
|
1,117,000,000
SEK
|
82,000,000
SEK
|
25,271,000,000
SEK
|
18,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — |
1,907,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,494,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — |
412,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
681,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — |
1,838,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,553,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
8,732,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
14,349,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Other current provisions | — | — | — | — |
1,811,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,757,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — |
1,055,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
919,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
23,285,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
17,440,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
32,017,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
31,789,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
64,361,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
60,860,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |