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 |
4,990,000,000
SEK
|
— | — | — | — |
3,636,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets |
3,210,000,000
SEK
|
— | — | — | — |
1,839,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Goodwill |
11,296,000,000
SEK
|
— | — | — | — |
7,483,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets |
189,000,000
SEK
|
— | — | — | — |
191,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
2 019,5
SEK
|
— | — | — | — |
1 362,8
SEK
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Current inventories |
385,000,000
SEK
|
— | — | — | — |
277,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
7,610,000,000
SEK
|
— | — | — | — |
5,049,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current tax assets, current |
0
SEK
|
— | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3,522,000,000
SEK
|
— | — | — | — |
1,167,000,000
SEK
|
— | — | — | — | — |
445,000,000
SEK
|
— | — | — |
| Current assets |
1 151,7
SEK
|
— | — | — | — |
6,493,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Assets |
3 171,2
SEK
|
— | — | — | — |
2 012,1
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
37,000,000
SEK
|
— | — | — | — |
34,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Retained earnings |
440,000,000
SEK
|
— | — | — | — |
1,429,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity |
8,957,000,000
SEK
|
440,000,000
SEK
|
9,074,000,000
SEK
|
286,000,000
SEK
|
37,000,000
SEK
|
4,684,000,000
SEK
|
34,000,000
SEK
|
1,429,000,000
SEK
|
156,000,000
SEK
|
6,234,000,000
SEK
|
1,804,000,000
SEK
|
2,193,000,000
SEK
|
-
SEK
|
3,971,000,000
SEK
|
26,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Deferred tax liabilities |
1,059,000,000
SEK
|
— | — | — | — |
601,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Non-current liabilities |
1 397,6
SEK
|
— | — | — | — |
8,496,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Trade and other current payables |
2,265,000,000
SEK
|
— | — | — | — |
1,729,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
8,779,000,000
SEK
|
— | — | — | — |
6,941,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
3 171,2
SEK
|
— | — | — | — |
2 012,1
SEK
|
— | — | — | — | — | — | — | — | — |