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) |
1,000,000
SEK
|
— |
447,000,000
SEK
|
448,000,000
SEK
|
447,000,000
SEK
|
25,000,000
SEK
|
— |
19,000,000
SEK
|
6,000,000
SEK
|
25,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — |
379,000,000
SEK
|
— | — | — |
11,000,000
SEK
|
— | — | — |
| Adjustments for depreciation and amortisation expense | — | — | — |
1,464,000,000
SEK
|
— | — | — |
900,000,000
SEK
|
— | — | — |
| Other adjustments for non-cash items | — | — | — |
247,000,000
SEK
|
— | — | — |
39,000,000
SEK
|
— | — | — |
| Interest paid, classified as operating activities | — | — | — |
460,000,000
SEK
|
— | — | — |
316,000,000
SEK
|
— | — | — |
| Interest received, classified as operating activities | — | — | — |
2,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
62,000,000
SEK
|
— | — | — |
7,000,000
SEK
|
— | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — | — |
3,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
1,227,000,000
SEK
|
— | — | — |
548,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
-
SEK
|
— | — | — |
8,000,000
SEK
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
1,380,000,000
SEK
|
— | — | — |
166,000,000
SEK
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
300,000,000
SEK
|
— | — | — |
234,000,000
SEK
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
1,500,000,000
SEK
|
— | — | — |
1,016,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
11,000,000
SEK
|
— | — | — |
132,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — |
2,632,000,000
SEK
|
— | — | — |
1,089,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — | — | — |
6,100,000,000
SEK
|
— | — | — |
-
SEK
|
— | — | — |
| Payments of other equity instruments | — | — | — |
4,000,000
SEK
|
— | — | — |
-
SEK
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
3,751,000,000
SEK
|
— | — | — |
-
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
4,242,000,000
SEK
|
— | — | — |
25,000,000
SEK
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
697,000,000
SEK
|
— | — | — |
241,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
5,146,000,000
SEK
|
— | — | — |
534,000,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
43,000,000
SEK
|
— | — | — |
21,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
3,741,000,000
SEK
|
— | — | — |
1,076,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
4,511,000,000
SEK
|
— | — | — | — |
727,000,000
SEK
|
— | — | — |
1,824,000,000
SEK
|