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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
8,753,000,000
SEK
|
— | — | — | — | — |
8,026,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
1,264,000,000
SEK
|
— | — | — | — | — |
1,338,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
267,000,000
SEK
|
— | — | — | — | — |
212,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
90,707,000,000
SEK
|
— | — | — | — | — |
86,178,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current inventories |
13,933,000,000
SEK
|
— | — | — | — | — |
10,079,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
1,231,000,000
SEK
|
— | — | — | — | — |
1,060,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
4,325,000,000
SEK
|
— | — | — | — | — |
2,756,000,000
SEK
|
— | — | — | — | — | — | — | — |
442,000,000
SEK
|
— | — |
| Current assets |
39,267,000,000
SEK
|
— | — | — | — | — |
31,250,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
129,975,000,000
SEK
|
— | — | — | — | — |
117,428,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
371,000,000
SEK
|
— | — | — | — | — |
371,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
54,299,000,000
SEK
|
— | — | — | — | — |
47,030,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
5,237,000,000
SEK
|
— | — | — | — | — |
1,794,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
69,582,000,000
SEK
|
— | — | — | — | — |
58,870,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
9,000,000
SEK
|
— | — | — | — | — |
9,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
69,592,000,000
SEK
|
54,299,000,000
SEK
|
5,237,000,000
SEK
|
9,675,000,000
SEK
|
9,000,000
SEK
|
371,000,000
SEK
|
58,879,000,000
SEK
|
47,030,000,000
SEK
|
371,000,000
SEK
|
9,000,000
SEK
|
9,675,000,000
SEK
|
1,794,000,000
SEK
|
42,369,000,000
SEK
|
11,000,000
SEK
|
6,728,000,000
SEK
|
59,154,000,000
SEK
|
9,675,000,000
SEK
|
371,000,000
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Other non-current provisions |
460,000,000
SEK
|
— | — | — | — | — |
616,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2,581,000,000
SEK
|
— | — | — | — | — |
2,868,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
29,108,000,000
SEK
|
— | — | — | — | — |
32,683,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||
| Current provisions |
794,000,000
SEK
|
— | — | — | — | — |
1,159,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
31,276,000,000
SEK
|
— | — | — | — | — |
25,865,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
129,975,000,000
SEK
|
— | — | — | — | — |
117,428,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |