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 | — |
561,000,000
SEK
|
— |
969,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Purchase of property, plant and equipment, classified as investing activities | — |
5,000,000
SEK
|
— |
7,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
–
SEK
|
— |
1,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
4,589,000,000
SEK
|
— |
8,301,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
–
SEK
|
— |
4,000,000
SEK
|
— |
| Proceeds from borrowings, classified as financing activities | — |
2,340,000,000
SEK
|
— |
1 814,2
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
879,000,000
SEK
|
— |
1 708,7
SEK
|
— |
| Cash flows from (used in) financing activities | — |
1,461,000,000
SEK
|
— |
2 105,9
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
2,567,000,000
SEK
|
— |
1 372,6
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
11,000,000
SEK
|
— |
21,000,000
SEK
|
— |
| Cash and cash equivalents |
1,902,000,000
SEK
|
— |
4,480,000,000
SEK
|
— |
404,000,000
SEK
|