Statement Of Changes In Equity [Abstract]
Concept |
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 |
As at 2023-12-31 |
2023-01-01 to 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 |
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 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 |
2022-01-01 to 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 |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||||||||||||
Equity | — |
37 210
SEK
|
— |
35 452
SEK
|
— | — |
388,000,000
SEK
|
— | — |
500,000,000
SEK
|
735,000,000
SEK
|
36 822
SEK
|
30,000,000
SEK
|
— |
105,000,000
SEK
|
— |
33 508
SEK
|
— | — | — | — | — |
488,000,000
SEK
|
30 228
SEK
|
500,000,000
SEK
|
2 091
SEK
|
33 020
SEK
|
107,000,000
SEK
|
— |
94,000,000
SEK
|
— | — |
25 137
SEK
|
106,000,000
SEK
|
25 785
SEK
|
0
SEK
|
25 729
SEK
|
56,000,000
SEK
|
14,000,000
SEK
|
500,000,000
SEK
|
Changes in equity [abstract] | ||||||||||||||||||||||||||||||||||||||||
Comprehensive income [abstract] | ||||||||||||||||||||||||||||||||||||||||
Profit (loss) |
9 458
SEK
|
— |
9 431
SEK
|
— |
27,000,000
SEK
|
9 431
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
–
SEK
|
8 411
SEK
|
8 397
SEK
|
14,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — |
8 397
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — |
Other comprehensive income |
1 742
SEK
|
— |
1 726
SEK
|
— |
16,000,000
SEK
|
306,000,000
SEK
|
— |
1 356
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
— |
64,000,000
SEK
|
— |
–
SEK
|
2 754
SEK
|
548,000,000
SEK
|
7,000,000
SEK
|
94,000,000
SEK
|
— | — | — | — | — | — |
2 747
SEK
|
— |
2 105
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — |
Comprehensive income |
7 716
SEK
|
— |
7 706
SEK
|
— |
10,000,000
SEK
|
9 126
SEK
|
— |
1 356
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
— |
64,000,000
SEK
|
— |
–
SEK
|
11 165
SEK
|
8 945
SEK
|
21,000,000
SEK
|
94,000,000
SEK
|
— | — | — | — | — | — |
11 144
SEK
|
— |
2 105
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — |
Dividends recognised as distributions to owners |
4 106
SEK
|
— |
4 103
SEK
|
— |
3,000,000
SEK
|
4 103
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
–
SEK
|
3 621
SEK
|
3 619
SEK
|
2,000,000
SEK
|
–
SEK
|
— | — | — | — | — | — |
3 619
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — |
Increase (decrease) through share-based payment transactions, equity |
25,000,000
SEK
|
— |
25,000,000
SEK
|
— |
–
SEK
|
25,000,000
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — |
–
SEK
|
— |
–
SEK
|
— |
–
SEK
|
30,000,000
SEK
|
30,000,000
SEK
|
–
SEK
|
–
SEK
|
— | — | — | — | — | — |
30,000,000
SEK
|
— |
–
SEK
|
–
SEK
|
— | — | — | — | — | — | — | — |