Analysis Of Income And Expense [Abstract]
| Concept |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||
| Revenue [abstract] | ||||||||||
| Revenue from construction contracts | — |
412,000,000
SEK
|
— | — | — | — | — |
256,000,000
SEK
|
— | — |
| Revenue | — |
3 233
SEK
|
— | — | — | — | — |
2 806
SEK
|
— | — |
| Material income and expense [abstract] | ||||||||||
| Gains (losses) on disposals of investment properties [abstract] | ||||||||||
| Gains (losses) on disposals of investment properties | — |
9,000,000
SEK
|
— | — | — | — | — |
18,000,000
SEK
|
— | — |
| Repairs and maintenance expense | — |
38,000,000
SEK
|
— | — | — | — | — |
41,000,000
SEK
|
— | — |
| Fuel and energy expense [abstract] | ||||||||||
| Fuel and energy expense | — |
185,000,000
SEK
|
— | — | — | — | — |
199,000,000
SEK
|
— | — |
| Property development and project management income | — |
207,000,000
SEK
|
— | — | — | — | — |
329,000,000
SEK
|
— | — |
| Property development and project management expense | — |
172,000,000
SEK
|
— | — | — | — | — |
278,000,000
SEK
|
— | — |
| Property management expense | — |
172,000,000
SEK
|
— | — | — | — | — |
177,000,000
SEK
|
— | — |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||||||
| Gains (losses) on change in fair value of derivatives | — |
907,000,000
SEK
|
— | — | — | — | — |
1 526
SEK
|
— | — |
| Expenses by nature [abstract] | ||||||||||
| Tax expense other than income tax expense | — |
13,000,000
SEK
|
— | — | — | — | — |
14,000,000
SEK
|
— | — |
| Property tax expense | — |
213,000,000
SEK
|
— | — | — | — | — |
214,000,000
SEK
|
— | — |
| Other expenses, by nature | — |
183,000,000
SEK
|
— | — | — | — | — |
199,000,000
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 | — |
1,000,000
SEK
|
— | — | — | — | — |
-
SEK
|
— | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
-
SEK
|
— |
954,000,000
SEK
|
-
SEK
|
954,000,000
SEK
|
4 288
SEK
|
-
SEK
|
— |
-
SEK
|
4 288
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income, attributable to owners of parent | — |
954,000,000
SEK
|
— | — | — | — | — |
4 288
SEK
|
— | — |