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 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] | |||||||||||||||||||||
| Property, plant and equipment |
2 421,2
SEK
|
— | — | — | — | — | — | — | — | — |
2 376,9
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
7,160,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
7,327,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Goodwill |
3 028,3
SEK
|
— | — | — | — | — | — | — | — | — |
2 904,0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
2,018,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,980,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets |
8 722,5
SEK
|
— | — | — | — | — | — | — | — | — |
8 333,2
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Trade and other current receivables |
1 825,9
SEK
|
— | — | — | — | — | — | — | — | — |
1 383,9
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
654,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
733,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1 291,7
SEK
|
— | — | — | — | — | — | — | — | — |
1 741,5
SEK
|
— | — | — | — | — | — | — | — | — |
1 624,0
SEK
|
| Current assets |
4 610,1
SEK
|
— | — | — | — | — | — | — | — | — |
4 319,5
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Assets |
13 332,6
SEK
|
— | — | — | — | — | — | — | — | — |
12 652,7
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
1,002,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
1,002,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings |
3 583,2
SEK
|
— | — | — | — | — | — | — | — | — |
3 222,3
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Other reserves |
43,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,982,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
6 882,3
SEK
|
— | — | — | — | — | — | — | — | — |
6 218,9
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
6 882,2
SEK
|
43,000,000
SEK
|
1,000,000
SEK
|
3 583,2
SEK
|
1,002,000,000
SEK
|
6 882,3
SEK
|
3 194,6
SEK
|
3 222,3
SEK
|
2,982,000,000
SEK
|
3 194,6
SEK
|
6 218,7
SEK
|
6 218,9
SEK
|
2,000,000
SEK
|
1,002,000,000
SEK
|
2 924,9
SEK
|
382,000,000
SEK
|
3 194,6
SEK
|
5 764,4
SEK
|
1,002,000,000
SEK
|
4,553,000,000
SEK
|
5 802,6
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
5,482,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
5,036,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4 512,2
SEK
|
— | — | — | — | — | — | — | — | — |
4 278,1
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current tax liabilities, current |
583,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
685,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities |
1 938,2
SEK
|
— | — | — | — | — | — | — | — | — |
2 155,9
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities |
6 450,4
SEK
|
— | — | — | — | — | — | — | — | — |
6 434,0
SEK
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
13 332,6
SEK
|
— | — | — | — | — | — | — | — | — |
12 652,7
SEK
|
— | — | — | — | — | — | — | — | — | — |