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 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 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 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 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 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 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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — |
72 741
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
70 893
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
78 163
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — |
15 485
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
14 814
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
15 640
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — |
66 302
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
63 313
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
75 696
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — |
23 641
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
22 629
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
25 751
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — |
971,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
950,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
10 153
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
1 302
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 449
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 849
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — |
194 879
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
189 088
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
223 585
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — |
2 040
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 918
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 966
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — |
13 764
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13 722
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
16 648
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — |
137,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
92,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
90,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — |
8 841
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5 486
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12 300
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
14 358
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
8 332
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 210
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
4 957
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
875,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets | — | — | — | — |
42 146
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
37 014
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
39 984
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
237 025
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
226 103
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
263 568
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity attributable to owners of parent | — | — | — | — |
80 731
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
62 378
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
90 646
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — |
2 812
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 118
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 409
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
46 595
SEK
|
13 856
SEK
|
76,000,000
SEK
|
12 472
SEK
|
83 544
SEK
|
134,000,000
SEK
|
1 564
SEK
|
2 945
SEK
|
80 731
SEK
|
2 812
SEK
|
9 247
SEK
|
31 582
SEK
|
183,000,000
SEK
|
1 118
SEK
|
37,000,000
SEK
|
12 480
SEK
|
62 378
SEK
|
13 856
SEK
|
6 157
SEK
|
63 496
SEK
|
1 469
SEK
|
2 945
SEK
|
266,000,000
SEK
|
92 455
SEK
|
13 856
SEK
|
91 047
SEK
|
1 409
SEK
|
1 409
SEK
|
5 330
SEK
|
388,000,000
SEK
|
266,000,000
SEK
|
266,000,000
SEK
|
13 025
SEK
|
12,000,000
SEK
|
92 055
SEK
|
123,000,000
SEK
|
5 330
SEK
|
3 099
SEK
|
2 943
SEK
|
12,000,000
SEK
|
12,000,000
SEK
|
388,000,000
SEK
|
388,000,000
SEK
|
67 611
SEK
|
1 380
SEK
|
175,000,000
SEK
|
175,000,000
SEK
|
2 943
SEK
|
3 099
SEK
|
13 025
SEK
|
13 856
SEK
|
90 646
SEK
|
1 380
SEK
|
123,000,000
SEK
|
67 745
SEK
|
| Liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — |
10 185
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
9 723
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
11 544
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — |
110 736
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
122 505
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
121 227
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Current provisions | — | — | — | — |
316,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
555,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
658,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — | — |
31 652
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
26 990
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
28 286
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — | — |
761,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
886,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
959,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
3 325
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
604,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — |
42 746
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
40 101
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
50 287
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
237 025
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
226 103
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
263 568
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |