Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||
| Cash flows from (used in) operating activities [abstract] | |||||||
| Profit (loss) | — |
2,719,000,000
SEK
|
2,719,000,000
SEK
|
— |
1,857,000,000
SEK
|
1,857,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for decrease (increase) in inventories | — |
27,000,000
SEK
|
— | — |
78,000,000
SEK
|
— | — |
| Cash flows from (used in) operations | — |
4,184,000,000
SEK
|
— | — |
2,862,000,000
SEK
|
— | — |
| Interest paid, classified as operating activities | — |
312,000,000
SEK
|
— | — |
88,000,000
SEK
|
— | — |
| Cash flows from (used in) operating activities | — |
3,128,000,000
SEK
|
— | — |
2,017,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
9,166,000,000
SEK
|
— | — |
6,220,000,000
SEK
|
— | — |
| Cash flows from (used in) investing activities | — |
9,730,000,000
SEK
|
— | — |
6,690,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing shares | — |
4,095,000,000
SEK
|
— | — |
-
SEK
|
— | — |
| Proceeds from issuing other equity instruments | — |
17,000,000
SEK
|
— | — |
79,000,000
SEK
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
7,913,000,000
SEK
|
— | — |
1 370,0
SEK
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
2,603,000,000
SEK
|
— | — |
9,887,000,000
SEK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — |
519,000,000
SEK
|
— | — |
365,000,000
SEK
|
— | — |
| Dividends paid, classified as financing activities | — |
583,000,000
SEK
|
— | — |
271,000,000
SEK
|
— | — |
| Cash flows from (used in) financing activities | — |
8,320,000,000
SEK
|
— | — |
3,256,000,000
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
1,718,000,000
SEK
|
— | — |
1,417,000,000
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
92,000,000
SEK
|
— | — |
39,000,000
SEK
|
— | — |
| Cash and cash equivalents |
4,526,000,000
SEK
|
— | — |
2,716,000,000
SEK
|
— | — |
4,093,000,000
SEK
|