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] | |||||
| Interest paid, classified as operating activities | — |
422,000,000
SEK
|
— |
586,000,000
SEK
|
— |
| Interest received, classified as operating activities | — |
21,000,000
SEK
|
— |
12,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
5,198,000,000
SEK
|
— |
3,275,000,000
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
138,000,000
SEK
|
— |
740,000,000
SEK
|
— |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
17,000,000
SEK
|
— |
6,000,000
SEK
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
392,000,000
SEK
|
— |
343,000,000
SEK
|
— |
| Purchase of intangible assets, classified as investing activities | — |
288,000,000
SEK
|
— |
363,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
1,209,000,000
SEK
|
— |
1,815,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
1,200,000,000
SEK
|
— |
1,974,000,000
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
3,677,000,000
SEK
|
— |
2,052,000,000
SEK
|
— |
| Payments of lease liabilities, classified as financing activities | — |
740,000,000
SEK
|
— |
704,000,000
SEK
|
— |
| Cash flows from (used in) financing activities | — |
3,568,000,000
SEK
|
— |
790,000,000
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
421,000,000
SEK
|
— |
670,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
327,000,000
SEK
|
— |
455,000,000
SEK
|
— |
| Cash and cash equivalents |
5,416,000,000
SEK
|
— |
4,668,000,000
SEK
|
— |
4,453,000,000
SEK
|