Statement Of Cash Flows [Abstract]
| Concept |
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 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 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] | |||||||||||
| Profit (loss) |
20,000,000
SEK
|
— |
784,000,000
SEK
|
804,000,000
SEK
|
784,000,000
SEK
|
2,765,000,000
SEK
|
— |
2,753,000,000
SEK
|
12,000,000
SEK
|
2,765,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for depreciation and amortisation expense | — | — | — |
81,000,000
SEK
|
— | — | — |
86,000,000
SEK
|
— | — | — |
| Adjustments for provisions | — | — | — |
4,000,000
SEK
|
— | — | — |
31,000,000
SEK
|
— | — | — |
| Other adjustments for non-cash items | — | — | — |
32,000,000
SEK
|
— | — | — |
743,000,000
SEK
|
— | — | — |
| Cash flows from (used in) operations | — | — | — |
2 078,8
SEK
|
— | — | — |
173,000,000
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — | — | — |
68,000,000
SEK
|
— | — | — |
30,000,000
SEK
|
— | — | — |
| Interest received, classified as operating activities | — | — | — |
13,000,000
SEK
|
— | — | — |
12,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — |
3 072,0
SEK
|
— | — | — |
9,202,000,000
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
6,606,000,000
SEK
|
— | — | — |
8,700,000,000
SEK
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — |
385,000,000
SEK
|
— | — | — |
384,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
2 372,9
SEK
|
— | — | — |
118,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
1,204,000,000
SEK
|
— | — | — |
222,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
6,308,000,000
SEK
|
— | — | — | — |
5,104,000,000
SEK
|
— | — | — |
5,326,000,000
SEK
|