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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||
| Assets [abstract] | |||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||
| Property, plant and equipment |
6,982,000,000
SEK
|
— | — | — | — | — |
5,187,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2 673,6
SEK
|
— | — | — | — | — |
1 736,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
3,411,000,000
SEK
|
— | — | — | — | — |
2,865,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
113,000,000
SEK
|
— | — | — | — | — |
105,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
8 240,7
SEK
|
— | — | — | — | — |
5 637,3
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||
| Current inventories |
4,004,000,000
SEK
|
— | — | — | — | — |
2,329,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
283,000,000
SEK
|
— | — | — | — | — |
220,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
8,981,000,000
SEK
|
— | — | — | — | — |
1 101,4
SEK
|
— | — | — | — | — | — | — |
6,552,000,000
SEK
|
— | — |
| Current assets |
3 558,9
SEK
|
— | — | — | — | — |
3 001,8
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
11 799,6
SEK
|
— | — | — | — | — |
8 639,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||
| Equity [abstract] | |||||||||||||||||
| Issued capital |
3,536,000,000
SEK
|
— | — | — | — | — |
3,536,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves |
2,270,000,000
SEK
|
— | — | — | — | — |
566,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
3 276,5
SEK
|
— | — | — | — | — |
2 887,0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
274,000,000
SEK
|
— | — | — | — | — |
209,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
3 303,9
SEK
|
1 647,3
SEK
|
1 275,6
SEK
|
3 276,5
SEK
|
274,000,000
SEK
|
3,536,000,000
SEK
|
2 907,8
SEK
|
3,536,000,000
SEK
|
1 257,7
SEK
|
209,000,000
SEK
|
1 275,6
SEK
|
2 887,0
SEK
|
2 777,0
SEK
|
1 147,7
SEK
|
2 777,0
SEK
|
1 275,6
SEK
|
3,536,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||
| Other non-current provisions |
193,000,000
SEK
|
— | — | — | — | — |
194,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
2,336,000,000
SEK
|
— | — | — | — | — |
1,684,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
5 578,8
SEK
|
— | — | — | — | — |
3 456,2
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||
| Other current provisions |
1,388,000,000
SEK
|
— | — | — | — | — |
1,608,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
1,090,000,000
SEK
|
— | — | — | — | — |
714,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
1,608,000,000
SEK
|
— | — | — | — | — |
1,188,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
2 916,9
SEK
|
— | — | — | — | — |
2 275,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
11 799,6
SEK
|
— | — | — | — | — |
8 639,1
SEK
|
— | — | — | — | — | — | — | — | — | — |