Statement Of Changes In Equity [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||||||||||||
| Equity | — | — | — |
95 045
SEK
|
31 654
SEK
|
— |
61,000,000
SEK
|
4 738
SEK
|
4 507
SEK
|
— | — |
137 461
SEK
|
— | — |
2 258
SEK
|
142 199
SEK
|
8 452
SEK
|
— | — |
130 485
SEK
|
— |
80 096
SEK
|
— | — | — |
4 114
SEK
|
— |
31 654
SEK
|
— |
61,000,000
SEK
|
4 092
SEK
|
2 016
SEK
|
— |
126 371
SEK
|
8 452
SEK
|
— |
117 278
SEK
|
3 331
SEK
|
31 654
SEK
|
68 353
SEK
|
61,000,000
SEK
|
4 999
SEK
|
428,000,000
SEK
|
113 947
SEK
|
8 452
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) |
15 401
SEK
|
—
SEK
|
—
SEK
|
— | — |
—
SEK
|
— | — | — |
15 401
SEK
|
533,000,000
SEK
|
— |
15 934
SEK
|
—
SEK
|
— | — | — |
—
SEK
|
14 066
SEK
|
— |
13 053
SEK
|
— |
1 013
SEK
|
13 053
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
4 116
SEK
|
—
SEK
|
—
SEK
|
— | — |
415,000,000
SEK
|
— | — | — |
257,000,000
SEK
|
299,000,000
SEK
|
— |
3 817
SEK
|
4 274
SEK
|
— | — | — |
—
SEK
|
959,000,000
SEK
|
— |
710,000,000
SEK
|
— |
249,000,000
SEK
|
1 391
SEK
|
—
SEK
|
— |
907,000,000
SEK
|
— |
—
SEK
|
— | — | — |
1 588
SEK
|
— | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
11 285
SEK
|
—
SEK
|
—
SEK
|
— | — |
415,000,000
SEK
|
— | — | — |
15 144
SEK
|
832,000,000
SEK
|
— |
12 117
SEK
|
4 274
SEK
|
— | — | — |
—
SEK
|
13 107
SEK
|
— |
12 343
SEK
|
— |
764,000,000
SEK
|
11 662
SEK
|
—
SEK
|
— |
907,000,000
SEK
|
— |
—
SEK
|
— | — | — |
1 588
SEK
|
— | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
90,000,000
SEK
|
30,000,000
SEK
|
—
SEK
|
— | — |
—
SEK
|
— | — | — |
60,000,000
SEK
|
—
SEK
|
— |
90,000,000
SEK
|
—
SEK
|
— | — | — |
—
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
—
SEK
|
— |
19,000,000
SEK
|
— |
19,000,000
SEK
|
19,000,000
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
17,000,000
SEK
|
—
SEK
|
—
SEK
|
— | — |
—
SEK
|
— | — | — |
17,000,000
SEK
|
—
SEK
|
— |
17,000,000
SEK
|
—
SEK
|
— | — | — |
—
SEK
|
109,000,000
SEK
|
— |
109,000,000
SEK
|
— |
—
SEK
|
109,000,000
SEK
|
—
SEK
|
— |
—
SEK
|
— |
—
SEK
|
— | — | — |
—
SEK
|
— | — |
—
SEK
|
— | — | — | — | — | — | — | — | — |