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 |
2021-01-01 to 2021-12-31 |
As at 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) | — |
13 296
SEK
|
13 291
SEK
|
5,000,000
SEK
|
1,000,000
SEK
|
— |
10 901
SEK
|
10 900
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for depreciation and amortisation expense | — |
4 088
SEK
|
— | — | — | — |
3 841
SEK
|
— | — |
| Other adjustments for non-cash items | — |
137,000,000
SEK
|
— | — | — | — |
178,000,000
SEK
|
— | — |
| Cash flows from (used in) operations | — |
22 353
SEK
|
— | — | — | — |
17 638
SEK
|
— | — |
| Interest paid, classified as operating activities | — |
812,000,000
SEK
|
— | — | — | — |
564,000,000
SEK
|
— | — |
| Interest received, classified as operating activities | — |
12,000,000
SEK
|
— | — | — | — |
5,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities | — |
14 357
SEK
|
— | — | — | — |
12 456
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
37,000,000
SEK
|
— | — | — | — |
699,000,000
SEK
|
— | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
8 583
SEK
|
— | — | — | — |
2 121
SEK
|
— | — |
| Other inflows (outflows) of cash, classified as investing activities | — |
26,000,000
SEK
|
— | — | — | — |
43,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities | — |
10 561
SEK
|
— | — | — | — |
3 094
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 | — |
55,000,000
SEK
|
— | — | — | — |
–
SEK
|
— | — |
| Payments to acquire or redeem entity's shares | — |
61,000,000
SEK
|
— | — | — | — |
54,000,000
SEK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
1 330
SEK
|
— | — | — | — |
1 242
SEK
|
— | — |
| Dividends paid, classified as financing activities | — |
4 666
SEK
|
— | — | — | — |
4 333
SEK
|
— | — |
| Other inflows (outflows) of cash, classified as financing activities | — |
2 795
SEK
|
— | — | — | — |
282,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities | — |
4 699
SEK
|
— | — | — | — |
7 813
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
904,000,000
SEK
|
— | — | — | — |
1 549
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
5,000,000
SEK
|
— | — | — | — |
20,000,000
SEK
|
— | — |
| Cash and cash equivalents |
3 417
SEK
|
— | — | — | — |
4 325
SEK
|
— | — |
2 756
SEK
|