Statement Of Comprehensive Income [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 |
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 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||||||||||
| Profit (loss) |
126 817
SEK
|
22 7
SEK
|
— |
127 045
SEK
|
127 045
SEK
|
— | — | — | — |
74 681
SEK
|
— |
74 7 6 2
SEK
|
74 681
SEK
|
81,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
16,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
254,000,000
SEK
|
— | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, net of tax |
1 437
SEK
|
— | — | — | — | — | — | — | — | — | — |
8 954
SEK
|
— | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, net of tax |
3,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
76,000,000
SEK
|
— | — | — | — |
| Cost of hedging [abstract] | ||||||||||||||||
| Change in value of foreign currency basis spreads [abstract] | ||||||||||||||||
| Gains (losses) on change in value of foreign currency basis spreads, net of tax |
36,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
121,000,000
SEK
|
— | — | — | — |
| Other comprehensive income |
1 544
SEK
|
5,000,000
SEK
|
14,000,000
SEK
|
16,000,000
SEK
|
1 540
SEK
|
36,000,000
SEK
|
67,000,000
SEK
|
1 439
SEK
|
85,000,000
SEK
|
9 506
SEK
|
13,000,000
SEK
|
9 550
SEK
|
25 4
SEK
|
43,000,000
SEK
|
121,000,000
SEK
|
9 033
SEK
|
| Comprehensive income |
125 273
SEK
|
232,000,000
SEK
|
14,000,000
SEK
|
127 061
SEK
|
125 5 05
SEK
|
36,000,000
SEK
|
67,000,000
SEK
|
1 439
SEK
|
85,000,000
SEK
|
65 175
SEK
|
13,000,000
SEK
|
65 212
SEK
|
7 4 42 7
SEK
|
37,000,000
SEK
|
121,000,000
SEK
|
9 033
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent |
125 505
SEK
|
— | — | — | — | — | — | — | — | — | — |
65 175
SEK
|
— | — | — | — |
| Comprehensive income, attributable to non-controlling interests |
232,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — |
37,000,000
SEK
|
— | — | — | — |