Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
761,000,000
SEK
|
— | — | — | — |
659,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
2,174,000,000
SEK
|
— | — | — | — |
2,489,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
331,000,000
SEK
|
— | — | — | — |
334,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
9,000,000
SEK
|
— | — | — | — |
8,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
3,735,000,000
SEK
|
— | — | — | — |
4,082,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
746,000,000
SEK
|
— | — | — | — |
923,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,322,000,000
SEK
|
— | — | — | — |
5,041,000,000
SEK
|
— | — | — | — |
5,053,000,000
SEK
|
— | — | — | — |
| Current assets |
7,355,000,000
SEK
|
— | — | — | — |
8,655,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
1 109,0
SEK
|
— | — | — | — |
1 273,7
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
142,000,000
SEK
|
— | — | — | — |
142,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
1 657,9
SEK
|
— | — | — | — |
1 480,2
SEK
|
— | — | — | — | — | — | — | — | — |
| Share premium |
1 815,9
SEK
|
— | — | — | — |
1 816,0
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
1,939,000,000
SEK
|
1 815,9
SEK
|
1 657,9
SEK
|
142,000,000
SEK
|
217,000,000
SEK
|
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
|
1 256,7
SEK
|
142,000,000
SEK
|
134,000,000
SEK
|
1 814,4
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Other non-current provisions |
102,000,000
SEK
|
— | — | — | — |
135,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
4,948,000,000
SEK
|
— | — | — | — |
4,923,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
5,292,000,000
SEK
|
— | — | — | — |
5,439,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current provisions [abstract] | |||||||||||||||
| Other current provisions |
1,215,000,000
SEK
|
— | — | — | — |
1,601,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other current payables |
866,000,000
SEK
|
— | — | — | — |
492,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
3,859,000,000
SEK
|
— | — | — | — |
3,802,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
9,151,000,000
SEK
|
— | — | — | — |
9,241,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1 109,0
SEK
|
— | — | — | — |
1 273,7
SEK
|
— | — | — | — | — | — | — | — | — |