Analysis Of Income And Expense [Abstract]
| Concept |
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 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||
| Revenue [abstract] | ||||||
| Revenue |
656,000,000
SEK
|
— | — |
651,000,000
SEK
|
— | — |
| Material income and expense [abstract] | ||||||
| Finance income (cost) |
143,000,000
SEK
|
— | — |
141,000,000
SEK
|
— | — |
| Repairs and maintenance expense |
27,000,000
SEK
|
— | — |
36,000,000
SEK
|
— | — |
| Selling, general and administrative expense [abstract] | ||||||
| General and administrative expense |
77,000,000
SEK
|
— | — |
86,000,000
SEK
|
— | — |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||
| Gains (losses) on change in fair value of derivatives |
20,000,000
SEK
|
— | — |
10,000,000
SEK
|
— | — |
| Expenses by nature [abstract] | ||||||
| Tax expense other than income tax expense | — | — | — | — | — | — |
| Property tax expense |
18,000,000
SEK
|
— | — |
21,000,000
SEK
|
— | — |
| Miscellaneous other comprehensive income [abstract] | ||||||
| Other comprehensive income, attributable to owners of parent |
1 209
SEK
|
— | — |
256,000,000
SEK
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||
| Comprehensive income |
1 209
SEK
|
1 209
SEK
|
256,000,000
SEK
|
256,000,000
SEK
|
290,000,000
SEK
|
290,000,000
SEK
|