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 | — |
1 063,2
SEK
|
— |
1 725,3
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
1 266,8
SEK
|
— |
295,000,000
SEK
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
116,000,000
SEK
|
— |
57,000,000
SEK
|
— |
| Other inflows (outflows) of cash, classified as investing activities | — |
3,000,000
SEK
|
— |
8,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
1 394,4
SEK
|
— |
1,157,000,000
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 | — | — | — |
576,000,000
SEK
|
— |
| Proceeds from borrowings, classified as financing activities | — |
3 089,0
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — |
2 075,4
SEK
|
— |
1,668,000,000
SEK
|
— |
| Payments of lease liabilities, classified as financing activities | — |
6,476,000,000
SEK
|
— |
6,579,000,000
SEK
|
— |
| Cash flows from (used in) financing activities | — |
542,000,000
SEK
|
— |
1 059,8
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
2,770,000,000
SEK
|
— |
5,499,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
737,000,000
SEK
|
— |
1,037,000,000
SEK
|
— |
| Cash and cash equivalents |
8,981,000,000
SEK
|
— |
1 101,4
SEK
|
— |
6,552,000,000
SEK
|