Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Cash flows from (used in) operating activities | — |
27 376
SEK
|
— |
28 604
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
394,000,000
SEK
|
— |
717,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
10 908
SEK
|
— |
3 247
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from changes in ownership interests in subsidiaries that do not result in loss of control | — |
7 861
SEK
|
— | — | — |
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — |
12,000,000
SEK
|
— | — | — |
| Payments to acquire or redeem entity's shares | — |
21,000,000
SEK
|
— |
1 002
SEK
|
— |
| Proceeds from borrowings, classified as financing activities | — |
9,000,000
SEK
|
— |
12 026
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
9 550
SEK
|
— |
15 132
SEK
|
— |
| Cash flows from (used in) financing activities | — |
10 600
SEK
|
— |
23 098
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
5 868
SEK
|
— |
2 259
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
157,000,000
SEK
|
— |
137,000,000
SEK
|
— |
| Cash and cash equivalents |
14 358
SEK
|
— |
8 332
SEK
|
— |
6 210
SEK
|