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] | |||||||||||||||||||||
| Non-current 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
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
3 461
SEK
|
— | — |
3 039
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — | — | — | — | — | — |
1 189
SEK
|
— | — |
1 360
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — | — |
65,000,000
SEK
|
— | — |
47,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
296,000,000
SEK
|
— | — |
220,000,000
SEK
|
— | — | — | — | — | — | — | — |
182,000,000
SEK
|
— | — |
| Current assets | — | — | — | — | — | — |
2 601
SEK
|
— | — |
2 710
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] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — |
558,000,000
SEK
|
— | — |
490,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — | — |
261,000,000
SEK
|
— | — |
92,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — |
163,000,000
SEK
|
— | — |
115,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
2 356
SEK
|
— | — |
2 059
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables | — | — | — | — | — | — |
484,000,000
SEK
|
— | — |
487,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — | — | — |
51,000,000
SEK
|
— | — |
39,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
1 493
SEK
|
— | — |
1 450
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — |
3 849
SEK
|
— | — |
3 509
SEK
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
6 062
SEK
|
— | — |
5 749
SEK
|
— | — | — | — | — | — | — | — | — | — | — |