Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
7,604,000,000
SEK
|
— | — | — | — | — | — |
1 079,7
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
6,150,000,000
SEK
|
— | — | — | — | — | — |
9,022,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
5 899,7
SEK
|
— | — | — | — | — | — |
6 480,9
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
923,000,000
SEK
|
— | — | — | — | — | — |
102, 5
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
3,703,000,000
SEK
|
— | — | — | — | — | — |
4,776,000,000
SEK
|
— | — | — | — | — | — | — | — |
273, 5
SEK
|
— | — | — | — |
| Assets |
11 423,3
SEK
|
— | — | — | — | — | — |
14 281,4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
54,000,000
SEK
|
— | — | — | — | — | — |
54,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
2,715,000,000
SEK
|
— | — | — | — | — | — |
9,192,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
6 342,6
SEK
|
— | — | — | — | — | — |
7 613,8
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
16 7,4
SEK
|
— | — | — | — | — | — |
560,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
6 510,0
SEK
|
2,715,000,000
SEK
|
1,674,000,000
SEK
|
54,000,000
SEK
|
452,000,000
SEK
|
6 342,6
SEK
|
6 563,5
SEK
|
7 669,8
SEK
|
560,000,000
SEK
|
9,192,000,000
SEK
|
54,000,000
SEK
|
1,251,000,000
SEK
|
7 613,8
SEK
|
6 564,2
SEK
|
3,947,000,000
SEK
|
4 790,6
SEK
|
5 256,3
SEK
|
5 211,9
SEK
|
444,000,000
SEK
|
229,000,000
SEK
|
37,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities |
4,790,000,000
SEK
|
— | — | — | — | — | — |
6,052,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
11 423,3
SEK
|
— | — | — | — | — | — |
14 281,4
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — |