Analysis Of Income And Expense [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 |
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 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue | — | — | — | — | — | — |
2 459
SEK
|
— | — | — |
2 035
SEK
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Gains (losses) on disposals of investment properties [abstract] | ||||||||||||||||
| Gains (losses) on disposals of investment properties | — | — | — | — | — | — |
42,000,000
SEK
|
— | — | — |
327,000,000
SEK
|
— | — | — | — | — |
| Other operating income (expense) | — | — | — | — | — | — |
5,000,000
SEK
|
— | — | — |
26,000,000
SEK
|
— | — | — | — | — |
| Property service charge income (expense) [abstract] | ||||||||||||||||
| Property service charge expense | — | — | — | — | — | — |
167,000,000
SEK
|
— | — | — |
140,000,000
SEK
|
— | — | — | — | — |
| Property management expense | — | — | — | — | — | — |
91,000,000
SEK
|
— | — | — |
63,000,000
SEK
|
— | — | — | — | — |
| Operating expense | — | — | — | — | — | — |
439,000,000
SEK
|
— | — | — |
324,000,000
SEK
|
— | — | — | — | — |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||||||||||||
| Gains (losses) on change in fair value of derivatives | — | — | — | — | — | — |
19,000,000
SEK
|
— | — | — |
1,000,000
SEK
|
— | — | — | — | — |
| Expenses by nature [abstract] | ||||||||||||||||
| Tax expense other than income tax expense | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Property tax expense | — | — | — | — | — | — |
112,000,000
SEK
|
— | — | — |
93,000,000
SEK
|
— | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — | — | — | — | — | — |
9,000,000
SEK
|
— | — | — |
–
SEK
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of joint ventures accounted for using equity method | — | — | — | — | — | — |
888,000,000
SEK
|
— | — | — |
404,000,000
SEK
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
–
SEK
|
1,000,000
SEK
|
–
SEK
|
8,000,000
SEK
|
3 120
SEK
|
–
SEK
|
3 121
SEK
|
3 112
SEK
|
–
SEK
|
2 225
SEK
|
2 225
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
2 225
SEK
|
–
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
3 120
SEK
|
— | — | — |
2 225
SEK
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — |
–
SEK
|
— | — | — | — | — |