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 |
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 |
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 |
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 |
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) |
–
SEK
|
4 569
SEK
|
–
SEK
|
66,000,000
SEK
|
4 503
SEK
|
–
SEK
|
66,000,000
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
4 503
SEK
|
–
SEK
|
42,000,000
SEK
|
–
SEK
|
4 759
SEK
|
–
SEK
|
4 759
SEK
|
–
SEK
|
42,000,000
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
–
SEK
|
4 801
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 | — |
329,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
567,000,000
SEK
|
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | ||||||||||||||||||||||||
| Cash flow hedges [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, cash flow hedges | — |
346,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
434,000,000
SEK
|
| Financial assets measured at fair value through other comprehensive income [abstract] | ||||||||||||||||||||||||
| Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income | — |
13,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
357,000,000
SEK
|
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss | — |
109,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
141,000,000
SEK
|
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | ||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss | — |
211,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
66,000,000
SEK
|
| Other comprehensive income |
–
SEK
|
1 944
SEK
|
1 993
SEK
|
20,000,000
SEK
|
–
SEK
|
20,000,000
SEK
|
–
SEK
|
276,000,000
SEK
|
41,000,000
SEK
|
248,000,000
SEK
|
1 924
SEK
|
–
SEK
|
21,000,000
SEK
|
347,000,000
SEK
|
2 075
SEK
|
1 639
SEK
|
–
SEK
|
21,000,000
SEK
|
–
SEK
|
443,000,000
SEK
|
340,000,000
SEK
|
–
SEK
|
–
SEK
|
2 096
SEK
|
| Comprehensive income |
–
SEK
|
6 513
SEK
|
1 993
SEK
|
86,000,000
SEK
|
4 503
SEK
|
20,000,000
SEK
|
66,000,000
SEK
|
276,000,000
SEK
|
41,000,000
SEK
|
248,000,000
SEK
|
6 427
SEK
|
–
SEK
|
63,000,000
SEK
|
347,000,000
SEK
|
6 834
SEK
|
1 639
SEK
|
4 759
SEK
|
21,000,000
SEK
|
42,000,000
SEK
|
443,000,000
SEK
|
340,000,000
SEK
|
–
SEK
|
–
SEK
|
6 897
SEK
|
| Comprehensive income attributable to [abstract] | ||||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — |
6 427
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
6 834
SEK
|
| Comprehensive income, attributable to non-controlling interests | — |
86,000,000
SEK
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
63,000,000
SEK
|