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 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 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 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||
| Non-current assets |
8,888,000,000
SEK
|
852,000,000
USD
|
— | — | — | — | — | — | — | — | — |
1 459,8
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||
| Cash and cash equivalents |
1,104,000,000
SEK
|
106,000,000
USD
|
— | — | — | — | — | — | — | — |
18,000,000
USD
|
159,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,302,000,000
SEK
|
— |
| Current assets |
3,549,000,000
SEK
|
340,000,000
USD
|
— | — | — | — | — | — | — | — | — |
6,468,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
1 243,7
SEK
|
1,193,000,000
USD
|
— | — | — | — | — | — | — | — | — |
2 106,7
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||
| Issued capital |
1,875,000,000
SEK
|
180,000,000
USD
|
— | — | — | — | — | — | — | — | — |
3,818,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
29 2 , 0
SEK
|
28, 0
USD
|
— | — | — | — | — | — | — | — | — |
6,097,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
453 ,1
SEK
|
435,000,000
USD
|
— | — | — | — | — | — | — | — | — |
4,623,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
4,105,000,000
SEK
|
394,000,000
USD
|
0
SEK
|
2,920,000,000
SEK
|
1,875,000,000
SEK
|
4,531,000,000
SEK
|
619,000,000
SEK
|
0
SEK
|
6,096,000,000
SEK
|
619,000,000
SEK
|
— |
2,963,000,000
SEK
|
21,000,000
SEK
|
0
SEK
|
4,602,000,000
SEK
|
3,818,000,000
SEK
|
507,000,000
SEK
|
1,109,000,000
SEK
|
619,000,000
SEK
|
3,818,000,000
SEK
|
4,115,000,000
SEK
|
7,951,000,000
SEK
|
0
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||
| Other non-current financial liabilities |
4,417,000,000
SEK
|
424,000,000
USD
|
— | — | — | — | — | — | — | — | — |
3,109,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
5,168,000,000
SEK
|
496,000,000
USD
|
— | — | — | — | — | — | — | — | — |
3,109,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||
| Current tax liabilities, current |
62,000,000
SEK
|
6,000,000
USD
|
— | — | — | — | — | — | — | — | — |
68,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale |
333,000,000
SEK
|
32,000,000
USD
|
— | — | — | — | — | — | — | — | — |
5,215,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
3,164,000,000
SEK
|
303,000,000
USD
|
— | — | — | — | — | — | — | — | — |
1 499,4
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
12,437,000,000
SEK
|
1,193,000,000
USD
|
— | — | — | — | — | — | — | — | — |
2 106,7
SEK
|
— | — | — | — | — | — | — | — | — | — | — |