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 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 |
659,000,000
SEK
|
— | — | — | — |
473,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
2,489,000,000
SEK
|
— | — | — | — |
2,528,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
334,000,000
SEK
|
— | — | — | — |
327,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
8,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
4,082,000,000
SEK
|
— | — | — | — |
4,013,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
923,000,000
SEK
|
— | — | — | — |
1,084,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
2,140,000,000
SEK
|
— | — | — | — |
1,652,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current non-financial assets |
241,000,000
SEK
|
— | — | — | — |
257,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
5,041,000,000
SEK
|
— | — | — | — |
5,053,000,000
SEK
|
— | — | — | — | — | — |
8,168,000,000
SEK
|
— | — |
| Current assets |
8,655,000,000
SEK
|
— | — | — | — |
8,316,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
1 273,7
SEK
|
— | — | — | — |
1 232,9
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
142,000,000
SEK
|
— | — | — | — |
142,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 480,2
SEK
|
— | — | — | — |
1 256,7
SEK
|
— | — | — | — | — | — | — | — | — |
| Share premium |
1 816,0
SEK
|
— | — | — | — |
1 814,4
SEK
|
— | — | — | — | — | — | — | — | — |
| Other reserves |
4,000,000
SEK
|
— | — | — | — |
134,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
3,496,000,000
SEK
|
1 480,2
SEK
|
4,000,000
SEK
|
1 816,0
SEK
|
142,000,000
SEK
|
5,585,000,000
SEK
|
142,000,000
SEK
|
1 256,7
SEK
|
134,000,000
SEK
|
1 814,4
SEK
|
1 172,3
SEK
|
31,000,000
SEK
|
7,064,000,000
SEK
|
1 861,4
SEK
|
142,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Other non-current provisions |
135,000,000
SEK
|
— | — | — | — |
257,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
4,923,000,000
SEK
|
— | — | — | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
5,439,000,000
SEK
|
— | — | — | — |
731,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Other current provisions |
1,601,000,000
SEK
|
— | — | — | — |
1,973,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables |
492,000,000
SEK
|
— | — | — | — |
470,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
—
SEK
|
— | — | — | — |
2,245,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities |
169,000,000
SEK
|
— | — | — | — |
62,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
3,802,000,000
SEK
|
— | — | — | — |
6,013,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Liabilities |
9,241,000,000
SEK
|
— | — | — | — |
6,744,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1 273,7
SEK
|
— | — | — | — |
1 232,9
SEK
|
— | — | — | — | — | — | — | — | — |