Statement Of Financial Position [Abstract]
| Concept |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2024-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
157,000,000
SEK
|
— | — |
140,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — |
442,000,000
SEK
|
— | — |
441,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — |
2 018
SEK
|
— | — |
1 815
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — |
781,000,000
SEK
|
— | — |
604,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
59,000,000
SEK
|
— | — |
34,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
296,000,000
SEK
|
— | — |
220,000,000
SEK
|
— | — | — | — | — | — | — | — |
182,000,000
SEK
|
— | — |
| Assets | — | — | — | — | — | — |
6 062
SEK
|
— | — |
5 749
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — | — | — | — |
57,000,000
SEK
|
— | — |
57,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — | — |
1 930
SEK
|
— | — |
2 031
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — | — | — | — |
50,000,000
SEK
|
— | — |
22,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — |
2 108
SEK
|
— | — |
2 181
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — |
105,000,000
SEK
|
— | — |
59,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
50,000,000
SEK
|
2 108
SEK
|
71,000,000
SEK
|
1 930
SEK
|
105,000,000
SEK
|
57,000,000
SEK
|
2 213
SEK
|
2 181
SEK
|
71,000,000
SEK
|
2 240
SEK
|
57,000,000
SEK
|
59,000,000
SEK
|
2 031
SEK
|
22,000,000
SEK
|
71,000,000
SEK
|
1 915
SEK
|
57,000,000
SEK
|
1 813
SEK
|
1 932
SEK
|
17,000,000
SEK
|
26,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
163,000,000
SEK
|
— | — |
115,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
3 849
SEK
|
— | — |
3 509
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
6 062
SEK
|
— | — |
5 749
SEK
|
— | — | — | — | — | — | — | — | — | — | — |