Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||
| Profit (loss) |
3 556
SEK
|
— |
11 367
SEK
|
14 924
SEK
|
11 367
SEK
|
3 591
SEK
|
4 108
SEK
|
517,000,000
SEK
|
3 591
SEK
|
— |
| Other comprehensive income [abstract] | ||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax | — | — | — |
55,000,000
SEK
|
— | — |
13,000,000
SEK
|
— | — | — |
| Other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — | — |
5 262
SEK
|
— | — |
625,000,000
SEK
|
— | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax | — | — | — |
133,000,000
SEK
|
— | — |
164,000,000
SEK
|
— | — | — |
| Other comprehensive income that will be reclassified to profit or loss, net of tax | — | — | — |
681,000,000
SEK
|
— | — |
110,000,000
SEK
|
— | — | — |
| Other comprehensive income |
2 113
SEK
|
3 769
SEK
|
3 830
SEK
|
5 943
SEK
|
61,000,000
SEK
|
6,000,000
SEK
|
515,000,000
SEK
|
653,000,000
SEK
|
138,000,000
SEK
|
144,000,000
SEK
|
| Comprehensive income |
5 669
SEK
|
3 769
SEK
|
15 197
SEK
|
20 866
SEK
|
11 428
SEK
|
3 597
SEK
|
4 623
SEK
|
1 169
SEK
|
3 453
SEK
|
144,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
15 197
SEK
|
— | — |
3 453
SEK
|
— | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
5 669
SEK
|
— | — |
1 169
SEK
|
— | — | — |