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) |
8,700,000
SEK
|
— |
322,300,000
SEK
|
331,100,000
SEK
|
322,300,000
SEK
|
287,100,000
SEK
|
— |
291,900,000
SEK
|
4,800,000
SEK
|
287,100,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in inventories | — | — | — |
128,300,000
SEK
|
— | — | — |
76,800,000
SEK
|
— | — | — |
| Adjustments for decrease (increase) in other operating receivables | — | — | — |
253,600,000
SEK
|
— | — | — |
326,300,000
SEK
|
— | — | — |
| Adjustments for increase (decrease) in other operating payables | — | — | — |
243,400,000
SEK
|
— | — | — |
57,700,000
SEK
|
— | — | — |
| Other adjustments for non-cash items | — | — | — |
847,700,000
SEK
|
— | — | — |
892,300,000
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
1,063,200,000
SEK
|
— | — | — |
1,725,300,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
1,266,800,000
SEK
|
— | — | — |
29,500,000
SEK
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
11,600,000
SEK
|
— | — | — |
5,700,000
SEK
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — | — | — |
300,000
SEK
|
— | — | — |
800,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — |
1,394,400,000
SEK
|
— | — | — |
115,700,000
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 | — | — | — | — | — | — | — |
57,600,000
SEK
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
3,089,000,000
SEK
|
— | — | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
2,075,400,000
SEK
|
— | — | — |
166,800,000
SEK
|
— | — | — |
| Payments of lease liabilities, classified as financing activities | — | — | — |
647,600,000
SEK
|
— | — | — |
657,900,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
54,200,000
SEK
|
— | — | — |
1,059,800,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — | — |
277,000,000
SEK
|
— | — | — |
549,900,000
SEK
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — | — |
73,700,000
SEK
|
— | — | — |
103,700,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
898,100,000
SEK
|
— | — | — | — |
1,101,400,000
SEK
|
— | — | — |
655,200,000
SEK
|