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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||
| Profit (loss) |
0
SEK
|
— | — |
1 129
SEK
|
— |
1 130
SEK
|
1 129
SEK
|
933,000,000
SEK
|
— |
932,000,000
SEK
|
0
SEK
|
933,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||||||||
| Other comprehensive income |
0
SEK
|
347,000,000
SEK
|
— |
452,000,000
SEK
|
— |
452,000,000
SEK
|
106,000,000
SEK
|
22,000,000
SEK
|
— |
413,000,000
SEK
|
0
SEK
|
413,000,000
SEK
|
— |
435,000,000
SEK
|
| Comprehensive income |
0
SEK
|
347,000,000
SEK
|
—
SEK
|
1 581
SEK
|
—
SEK
|
1 582
SEK
|
1 235
SEK
|
955,000,000
SEK
|
—
SEK
|
519,000,000
SEK
|
0
SEK
|
520,000,000
SEK
|
—
SEK
|
435,000,000
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — |
1 581
SEK
|
— | — | — |
520,000,000
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — |
0
SEK
|
— | — | — |
0
SEK
|
— | — | — | — |