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) |
34 130
SEK
|
2,000,000
SEK
|
— |
34 128
SEK
|
34 128
SEK
|
— | — | — | — |
21 365
SEK
|
21 368
SEK
|
21 365
SEK
|
— |
3,000,000
SEK
|
— | — |
| Other comprehensive income [abstract] | ||||||||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans |
839,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
3 938
SEK
|
— | — | — | — | — |
| Other comprehensive income, before tax, change in fair value of financial liability attributable to change in credit risk of liability |
0
SEK
|
— | — | — | — | — | — | — | — | — |
0
SEK
|
— | — | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax |
14,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
152,000,000
SEK
|
— | — | — | — | — |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||
| Exchange differences on translation [abstract] | ||||||||||||||||
| Gains (losses) on exchange differences on translation of foreign operations, before tax |
290,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
4 335
SEK
|
— | — | — | — | — |
| Cash flow hedges [abstract] | ||||||||||||||||
| Gains (losses) on cash flow hedges, before tax |
5,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
626,000,000
SEK
|
— | — | — | — | — |
| Reclassification adjustments on cash flow hedges, before tax |
9,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
615,000,000
SEK
|
— | — | — | — | — |
| Hedges of net investment in foreign operations [abstract] | ||||||||||||||||
| Gains (losses) on hedges of net investments in foreign operations, before tax |
336,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
3 421
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, before tax |
18,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
63,000,000
SEK
|
— | — | — | — | — |
| 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 |
41,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
31,000,000
SEK
|
— | — | — | — | — |
| Other comprehensive income, before tax |
870,000,000
SEK
|
— |
4,000,000
SEK
|
853,000,000
SEK
|
870,000,000
SEK
|
18,000,000
SEK
|
331,000,000
SEK
|
336,000,000
SEK
|
11,000,000
SEK
|
5 109
SEK
|
5 109
SEK
|
4 090
SEK
|
3 421
SEK
|
— |
63,000,000
SEK
|
4 366
SEK
|
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss |
172,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
811,000,000
SEK
|
— | — | — | — | — |
| Other comprehensive income |
762,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
4 988
SEK
|
— | — | — | — | — |
| Comprehensive income |
33 368
SEK
|
2,000,000
SEK
|
3,000,000
SEK
|
33 447
SEK
|
33 367
SEK
|
14,000,000
SEK
|
331,000,000
SEK
|
267,000,000
SEK
|
9,000,000
SEK
|
26 353
SEK
|
26 356
SEK
|
24 644
SEK
|
2 716
SEK
|
3,000,000
SEK
|
50,000,000
SEK
|
4 366
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent |
33 367
SEK
|
— | — | — | — | — | — | — | — | — |
26 353
SEK
|
— | — | — | — | — |
| Comprehensive income, attributable to non-controlling interests |
2,000,000
SEK
|
— | — | — | — | — | — | — | — | — |
3,000,000
SEK
|
— | — | — | — | — |