Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — |
5 760
EUR
|
— | — | — | — | — | — | — | — |
5 348
EUR
|
— | — | — |
56 900
SEK
|
— | — | — | — | — | — | — | — |
| Goodwill | — | — |
3 696
EUR
|
— | — | — | — | — | — | — | — |
3 223
EUR
|
— | — | — |
3 316
EUR
|
— | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
2 132
EUR
|
— | — | — | — | — | — | — | — |
1 852
EUR
|
— | — | — |
2 031
EUR
|
— | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements | — | — |
23,000,000
EUR
|
— | — | — | — | — | — | — | — |
84,000,000
EUR
|
— | — | — |
865,000,000
SEK
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — | — |
197,000,000
EUR
|
— | — | — | — | — | — | — | — |
182,000,000
EUR
|
— | — | — |
244,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
382,000,000
EUR
|
— | — | — | — | — | — | — | — |
4 982
SEK
|
— | — | — |
281,000,000
EUR
|
— | — | — | — | — |
3 008
SEK
|
— | — |
| Assets | — | — |
17 115
EUR
|
— | — | — | — | — | — | — | — |
15 421
EUR
|
— | — | — |
162 295
SEK
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — |
2 350
SEK
|
— | — | — | — | — | — | — | — |
234,000,000
EUR
|
— | — | — |
225,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Retained earnings | — | — |
51 108
SEK
|
— | — | — | — | — | — | — | — |
5 128
EUR
|
— | — | — |
4 363
EUR
|
— | — | — | — | — | — | — | — |
| Other reserves | — | — |
6 416
SEK
|
— | — | — | — | — | — | — | — |
58,000,000
EUR
|
— | — | — |
603,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
5 854
EUR
|
— | — | — | — | — | — | — | — |
5 420
EUR
|
— | — | — |
54 125
SEK
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — |
8 633
SEK
|
— | — | — | — | — | — | — | — |
8 990
SEK
|
— | — | — |
832,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
51 108
SEK
|
6 416
SEK
|
68 507
SEK
|
59 874
SEK
|
8 633
SEK
|
2 350
SEK
|
51 421
SEK
|
8 990
SEK
|
54 352
SEK
|
2 350
SEK
|
581,000,000
SEK
|
6 316
EUR
|
54 125
SEK
|
8 676
SEK
|
6 284
SEK
|
62 801
SEK
|
45 491
SEK
|
2 350
SEK
|
5 003
SEK
|
7 758
SEK
|
47 141
SEK
|
54 899
SEK
|
2 350
SEK
|
39 788
SEK
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — |
7 574
SEK
|
— | — | — | — | — | — | — | — |
613,000,000
EUR
|
— | — | — |
628,000,000
EUR
|
— | — | — | — | — | — | — | — |
| Liabilities | — | — |
10 417
EUR
|
— | — | — | — | — | — | — | — |
9 105
EUR
|
— | — | — |
9 544
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — |
175 050
SEK
|
— | — | — | — | — | — | — | — |
15 421
EUR
|
— | — | — |
15 567
EUR
|
— | — | — | — | — | — | — | — |