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] | |||||
| Dividends received, classified as operating activities | — |
1,991,000,000
SEK
|
— |
333,000,000
SEK
|
— |
| Interest paid, classified as operating activities | — |
1,139,000,000
SEK
|
— |
1,268,000,000
SEK
|
— |
| Interest received, classified as operating activities | — |
602,000,000
SEK
|
— |
550,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
29,852,000,000
SEK
|
— |
34,285,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
123,000,000
SEK
|
— |
431,000,000
SEK
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
11,352,000,000
SEK
|
— |
9,986,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
11,972,000,000
SEK
|
— |
8,574,000,000
SEK
|
— |
| Other inflows (outflows) of cash, classified as investing activities | — |
150,000,000
SEK
|
— |
—
SEK
|
— |
| Cash flows from (used in) investing activities | — |
34,737,000,000
SEK
|
— |
21,003,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
20,807,000,000
SEK
|
— |
—
SEK
|
— |
| Proceeds from borrowings, classified as financing activities | — |
1,579,000,000
SEK
|
— |
5,011,000,000
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
2,957,000,000
SEK
|
— |
4,612,000,000
SEK
|
— |
| Dividends paid, classified as financing activities | — |
10,462,000,000
SEK
|
— |
4,000,000
SEK
|
— |
| Other inflows (outflows) of cash, classified as financing activities | — |
905,000,000
SEK
|
— |
396,000,000
SEK
|
— |
| Cash flows from (used in) financing activities | — |
1,178,000,000
SEK
|
— |
834,000,000
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
3,707,000,000
SEK
|
— |
12,448,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
4,380,000,000
SEK
|
— |
2,853,000,000
SEK
|
— |
| Cash and cash equivalents |
62,265,000,000
SEK
|
— |
61,592,000,000
SEK
|
— |
51,997,000,000
SEK
|