Statement Of Cash Flows [Abstract]
| Concept |
As at 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 |
As at 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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
1 097
SEK
|
1 141
SEK
|
1 097
SEK
|
44,000,000
SEK
|
— |
40,000,000
SEK
|
713,000,000
SEK
|
753,000,000
SEK
|
713,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for provisions | — | — |
938,000,000
SEK
|
— | — | — | — | — |
884,000,000
SEK
|
— | — |
| Adjustments for fair value losses (gains) | — | — |
170,000,000
SEK
|
— | — | — | — | — |
221,000,000
SEK
|
— | — |
| Other adjustments for non-cash items | — | — |
31,000,000
SEK
|
— | — | — | — | — |
33,000,000
SEK
|
— | — |
| Interest paid, classified as operating activities | — | — |
3 384
SEK
|
— | — | — | — | — |
2 676
SEK
|
— | — |
| Interest received, classified as operating activities | — | — |
454,000,000
SEK
|
— | — | — | — | — |
345,000,000
SEK
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
156,000,000
SEK
|
— | — | — | — | — |
69,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities | — | — |
277,000,000
SEK
|
— | — | — | — | — |
3 511
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
-
SEK
|
— | — | — | — | — |
4,000,000
SEK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
1,000,000
SEK
|
— | — | — | — | — |
-
SEK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
38,000,000
SEK
|
— | — | — | — | — |
35,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities | — | — |
39,000,000
SEK
|
— | — | — | — | — |
39,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — |
-
SEK
|
— | — | — | — | — |
11,000,000
SEK
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — |
31,000,000
SEK
|
— | — | — | — | — |
-
SEK
|
— | — |
| Cash flows from (used in) financing activities | — | — |
2 489
SEK
|
— | — | — | — | — |
4 955
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
2 251
SEK
|
— | — | — | — | — |
1 405
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
73,000,000
SEK
|
— | — | — | — | — |
30,000,000
SEK
|
— | — |
| Cash and cash equivalents |
3 050
SEK
|
— | — | — | — |
5 228
SEK
|
— | — | — | — |
3 793
SEK
|