Analysis Of Income And Expense [Abstract]
| Concept |
2023-12-01 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 |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue | — |
147 147
SEK
|
— | — | — | — | — | — |
12 372
EUR
|
— | — | — | — | — |
101 466
SEK
|
— |
| Material income and expense [abstract] | ||||||||||||||||
| Profit (loss) from continuing operations attributable to non-controlling interests | — |
77,000,000
SEK
|
— | — | — | — | — | — |
55,000,000
SEK
|
— | — | — | — | — |
318,000,000
SEK
|
— |
| Profit (loss) from discontinued operations attributable to non-controlling interests | — |
165,000,000
SEK
|
— | — | — | — | — | — |
442,000,000
SEK
|
— | — | — | — | — |
872,000,000
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 | — |
39,000,000
SEK
|
— | — | — | — | — | — |
4,000,000
EUR
|
— | — | — | — | — |
59,000,000
SEK
|
— |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, before 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, before tax | — |
SEK
|
— | — | — | — | — | — |
SEK
|
— | — | — | — |
15,000,000
SEK
|
15,000,000
SEK
|
15,000,000
SEK
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss |
1,000,000
SEK
|
161,000,000
SEK
|
SEK
|
162,000,000
SEK
|
161,000,000
SEK
|
— |
659,000,000
SEK
|
3,000,000
SEK
|
659,000,000
SEK
|
662,000,000
SEK
|
— | — |
0
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
13,000,000
SEK
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
582,000,000
SEK
|
— | — |
582,000,000
SEK
|
582,000,000
SEK
|
848,000,000
SEK
|
848,000,000
SEK
|
848,000,000
SEK
|
— | — | — |
536,000,000
SEK
|
539,000,000
SEK
|
539,000,000
SEK
|
3,000,000
SEK
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income from continuing operations | — |
8 930
SEK
|
— | — | — | — | — | — |
12 283
SEK
|
— | — | — | — | — |
13 496
SEK
|
— |
| Comprehensive income from discontinued operations | — |
653,000,000
SEK
|
— | — | — | — | — | — |
1 025
SEK
|
— | — | — | — | — |
2 876
SEK
|
— |
| Comprehensive income | — |
8 277
SEK
|
340,000,000
SEK
|
10 725
SEK
|
8 617
SEK
|
2 108
SEK
|
12 338
SEK
|
5 137
SEK
|
13 308
SEK
|
7 201
SEK
|
970,000,000
SEK
|
2 078
SEK
|
5 834
SEK
|
14 294
SEK
|
16 372
SEK
|
8 460
SEK
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
8 617
SEK
|
— | — | — | — | — | — |
12 338
SEK
|
— | — | — | — | — |
14 294
SEK
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — |
340,000,000
SEK
|
— | — | — | — | — | — |
970,000,000
SEK
|
— | — | — | — | — |
2 078
SEK
|
— |