Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
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 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 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
30,470,000,000
SEK
|
— |
26,820,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
3,564,000,000
SEK
|
— |
2,961,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
12,574,000,000
SEK
|
— |
11,962,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — | — | — | — | — | — |
565,000,000
SEK
|
— |
467,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — | — |
3,369,000,000
SEK
|
— |
3,107,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
57,619,000,000
SEK
|
— |
51,986,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — | — | — |
26,182,000,000
SEK
|
— |
23,194,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — | — | — |
330,000,000
SEK
|
— |
742,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial assets | — | — | — | — | — | — | — |
6,057,000,000
SEK
|
— |
5,859,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — | — |
11,031,000,000
SEK
|
— |
13,311,000,000
SEK
|
— | — | — | — | — | — | — | — |
10,255,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
60,200,000,000
SEK
|
— |
59,917,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
119,413,000,000
SEK
|
— |
111,903,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
59,649,000,000
SEK
|
— |
52,743,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
2,320,000,000
SEK
|
— |
2,213,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
52,856,000,000
SEK
|
564,000,000
SEK
|
1,138,000,000
SEK
|
2,320,000,000
SEK
|
4,922,000,000
SEK
|
59,649,000,000
SEK
|
169,000,000
SEK
|
61,969,000,000
SEK
|
61,969,000,000
SEK
|
54,956,000,000
SEK
|
48,833,000,000
SEK
|
2,213,000,000
SEK
|
564,000,000
SEK
|
1,138,000,000
SEK
|
2,119,000,000
SEK
|
52,743,000,000
SEK
|
89,000,000
SEK
|
54,956,000,000
SEK
|
— |
2,116,000,000
SEK
|
564,000,000
SEK
|
44,915,000,000
SEK
|
1,138,000,000
SEK
|
5,139,000,000
SEK
|
51,927,000,000
SEK
|
171,000,000
SEK
|
54,043,000,000
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — | — |
8,502,000,000
SEK
|
— |
8,797,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current provisions | — | — | — | — | — | — | — |
1,424,000,000
SEK
|
— |
1,339,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — | — | — |
1,905,000,000
SEK
|
— |
1,220,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities | — | — | — | — | — | — | — |
80,000,000
SEK
|
— |
83,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
27,310,000,000
SEK
|
— |
29,333,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
1,157,000,000
SEK
|
— |
1,245,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities | — | — | — | — | — | — | — |
10,930,000,000
SEK
|
— |
11,073,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
30,001,000,000
SEK
|
— |
27,614,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
119,413,000,000
SEK
|
— |
111,903,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |