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 |
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] | ||||||||||||
| Material income and expense [abstract] | ||||||||||||
| Gains (losses) on disposals of investment properties [abstract] | ||||||||||||
| Gains (losses) on disposals of investment properties | — | — | — | — |
121,000,000
SEK
|
— | — |
24,000,000
SEK
|
— | — | — | — |
| Finance income (cost) | — | — | — | — |
1 0 67
SEK
|
— | — |
1 2 12
SEK
|
— | — | — | — |
| Other operating income (expense) | — | — | — | — |
553,000,000
SEK
|
— | — |
371,000,000
SEK
|
— | — | — | — |
| Property development and project management income | — | — | — | — |
1 6 67
SEK
|
— | — |
1 25 3
SEK
|
— | — | — | — |
| Property development and project management expense | — | — | — | — |
1 442
SEK
|
— | — |
1 079
SEK
|
— | — | — | — |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||||||||
| Gains (losses) on change in fair value of derivatives | — | — | — | — |
511,000,000
SEK
|
— | — |
141,000,000
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 | — | — | — | — |
377,000,000
SEK
|
— | — |
7 05
SEK
|
— | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — | — | — | — |
3 521
SEK
|
— | — |
897,000,000
SEK
|
— | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||
| 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 | — | — | — | — |
602,000,000
SEK
|
— | — |
37,000,000
SEK
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income |
1 3 48
SEK
|
103,000,000
SEK
|
788,000,000
SEK
|
19 3 99
SEK
|
2 0 74 6
SEK
|
1 8 508
SEK
|
6 641
SEK
|
6 51 3
SEK
|
357,000,000
SEK
|
240,000,000
SEK
|
11,000,000
SEK
|
6 273
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
19 3 99
SEK
|
— | — |
6 273
SEK
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
1 34 8
SEK
|
— | — |
240,000,000
SEK
|
— | — | — | — |