Statement Of Comprehensive Income [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||||
| Profit (loss) |
1 069
SEK
|
— |
1 069
SEK
|
1 069
SEK
|
— |
1 508
SEK
|
1 508
SEK
|
1 508
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 | — | — |
2 039
SEK
|
— | — | — |
942,000,000
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 | — | — |
22 9
SEK
|
— | — | — |
99,000,000
SEK
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — |
420,000,000
SEK
|
— | — | — |
19 4
SEK
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — |
12,000,000
SEK
|
— | — | — |
15,000,000
SEK
|
— |
| Other comprehensive income |
1 894
SEK
|
275,000,000
SEK
|
1 894
SEK
|
1 619
SEK
|
15 7
SEK
|
905,000,000
SEK
|
90 5
SEK
|
74 8
SEK
|
| Comprehensive income |
2 963
SEK
|
275,000,000
SEK
|
2 963
SEK
|
2 688
SEK
|
15 7
SEK
|
2 413
SEK
|
2 413
SEK
|
2 256
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||
| Comprehensive income, attributable to owners of parent | — | — |
2 963
SEK
|
— | — | — |
2 413
SEK
|
— |