Statement Of Financial Position [Abstract]
| Concept |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2024-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2023-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
As at 2022-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
2 353,7
SEK
|
— | — | — | — | — |
2 271,9
SEK
|
— | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — |
3,733,000,000
SEK
|
— | — | — | — | — |
2,541,000,000
SEK
|
— | — | — | — | — | — |
| Goodwill | — | — | — | — | — |
1 025,8
SEK
|
— | — | — | — | — |
9,886,000,000
SEK
|
— | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — |
289,000,000
SEK
|
— | — | — | — | — |
173,000,000
SEK
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — |
1,598,000,000
SEK
|
— | — | — | — | — |
1,468,000,000
SEK
|
— | — | — | — | — | — |
| Non-current assets | — | — | — | — | — |
4 281,1
SEK
|
— | — | — | — | — |
3 985,8
SEK
|
— | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current tax assets, current | — | — | — | — | — |
758,000,000
SEK
|
— | — | — | — | — |
758,000,000
SEK
|
— | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — |
50,000,000
SEK
|
— | — | — | — | — |
39,000,000
SEK
|
— | — | — | — | — | — |
| Other current non-financial assets | — | — | — | — | — |
2,509,000,000
SEK
|
— | — | — | — | — |
2,448,000,000
SEK
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
4,143,000,000
SEK
|
— | — | — | — | — |
3,399,000,000
SEK
|
— | — | — | — | — |
3,359,000,000
SEK
|
| Current assets | — | — | — | — | — |
5 511,6
SEK
|
— | — | — | — | — |
5 647,3
SEK
|
— | — | — | — | — | — |
| Assets | — | — | — | — | — |
9 792,7
SEK
|
— | — | — | — | — |
9 633,1
SEK
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — | — | — |
520,000,000
SEK
|
— | — | — | — | — |
520,000,000
SEK
|
— | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
4 868,8
SEK
|
— | — | — | — | — |
4 534,6
SEK
|
— | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
5 645,5
SEK
|
— | — | — | — | — |
5 265,7
SEK
|
— | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — |
83,000,000
SEK
|
— | — | — | — | — |
68,000,000
SEK
|
— | — | — | — | — | — |
| Equity |
128,000,000
SEK
|
520,000,000
SEK
|
7,119,000,000
SEK
|
4 868,8
SEK
|
83,000,000
SEK
|
5 653,8
SEK
|
68,000,000
SEK
|
4 534,6
SEK
|
6,687,000,000
SEK
|
520,000,000
SEK
|
104,000,000
SEK
|
5 272,5
SEK
|
70,000,000
SEK
|
384,000,000
SEK
|
520,000,000
SEK
|
3 693,4
SEK
|
627,000,000
SEK
|
3 853,5
SEK
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — |
273,000,000
SEK
|
— | — | — | — | — |
247,000,000
SEK
|
— | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — |
719,000,000
SEK
|
— | — | — | — | — |
833,000,000
SEK
|
— | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — |
987,000,000
SEK
|
— | — | — | — | — |
1,045,000,000
SEK
|
— | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — |
9,468,000,000
SEK
|
— | — | — | — | — |
9,301,000,000
SEK
|
— | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current tax liabilities, current | — | — | — | — | — |
1,884,000,000
SEK
|
— | — | — | — | — |
1,613,000,000
SEK
|
— | — | — | — | — | — |
| Other current non-financial liabilities | — | — | — | — | — |
6,258,000,000
SEK
|
— | — | — | — | — |
5,807,000,000
SEK
|
— | — | — | — | — | — |
| Current liabilities | — | — | — | — | — |
3 192,1
SEK
|
— | — | — | — | — |
3 430,5
SEK
|
— | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
4 138,9
SEK
|
— | — | — | — | — |
4 360,6
SEK
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
9 792,7
SEK
|
— | — | — | — | — |
9 633,1
SEK
|
— | — | — | — | — | — |