Statement Of Changes In Equity [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
As at 2023-03-31 |
2022-04-01 to 2023-03-31 |
2022-04-01 to 2023-03-31 |
As at 2023-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
2021-04-01 to 2022-03-31 |
As at 2022-03-31 |
As at 2022-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
As at 2021-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||
| Equity | — |
2 181
SEK
|
71,000,000
SEK
|
2 240
SEK
|
57,000,000
SEK
|
— | — |
59,000,000
SEK
|
2 031
SEK
|
— | — |
22,000,000
SEK
|
— | — |
71,000,000
SEK
|
— | — |
26,000,000
SEK
|
1 915
SEK
|
57,000,000
SEK
|
1 813
SEK
|
— |
1 932
SEK
|
17,000,000
SEK
|
71,000,000
SEK
|
56,000,000
SEK
|
1 629
SEK
|
57,000,000
SEK
|
1 715
SEK
|
14,000,000
SEK
|
1 701
SEK
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||
| Profit (loss) |
207,000,000
SEK
|
— | — | — | — |
7,000,000
SEK
|
207,000,000
SEK
|
— | — | — |
214,000,000
SEK
|
— |
200,000,000
SEK
|
2,000,000
SEK
|
— |
200,000,000
SEK
|
— | — | — | — | — |
202,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Other comprehensive income |
143,000,000
SEK
|
— | — | — | — |
1,000,000
SEK
|
95,000,000
SEK
|
— | — |
48,000,000
SEK
|
144,000,000
SEK
|
— |
94,000,000
SEK
|
0
SEK
|
— |
64,000,000
SEK
|
30,000,000
SEK
|
— | — | — | — |
94,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Comprehensive income |
350,000,000
SEK
|
— | — | — | — |
8,000,000
SEK
|
302,000,000
SEK
|
— | — |
48,000,000
SEK
|
358,000,000
SEK
|
— |
294,000,000
SEK
|
2,000,000
SEK
|
— |
264,000,000
SEK
|
30,000,000
SEK
|
— | — | — | — |
29 6
SEK
|
— | — | — | — | — | — | — | — | — |
| Dividends recognised as distributions to owners |
90,000,000
SEK
|
— | — | — | — |
1,000,000
SEK
|
90,000,000
SEK
|
— | — | — |
91,000,000
SEK
|
— |
80,000,000
SEK
|
— | — |
80,000,000
SEK
|
— | — | — | — | — |
80,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
–
SEK
|
— | — | — | — |
35,000,000
SEK
|
— | — | — | — |
35,000,000
SEK
|
— |
–
SEK
|
1,000,000
SEK
|
— | — | — | — | — | — | — |
1,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
6,000,000
SEK
|
— | — | — | — | — |
6,000,000
SEK
|
— | — | — |
6,000,000
SEK
|
— |
0
SEK
|
— | — |
0
SEK
|
— | — | — | — | — |
0
SEK
|
— | — | — | — | — | — | — | — | — |