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] | |||||
| Income taxes paid (refund), classified as operating activities | — |
265,000,000
SEK
|
— |
184,000,000
SEK
|
— |
| Cash flows from (used in) operating activities | — |
719,000,000
SEK
|
— |
3 790
SEK
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
32,000,000
SEK
|
— |
| Cash flows from (used in) investing activities | — |
88,000,000
SEK
|
— |
128,000,000
SEK
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Payments to acquire or redeem entity's shares | — | — | — |
19,000,000
SEK
|
— |
| Proceeds from borrowings, classified as financing activities | — |
2 085
SEK
|
— |
2 669
SEK
|
— |
| Repayments of borrowings, classified as financing activities | — |
2 439
SEK
|
— |
5 328
SEK
|
— |
| Dividends paid, classified as financing activities | — |
563,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — |
987,000,000
SEK
|
— |
2 676
SEK
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
356,000,000
SEK
|
— |
986,000,000
SEK
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
35,000,000
SEK
|
— |
98,000,000
SEK
|
— |
| Cash and cash equivalents |
1 066
SEK
|
— |
1 387
SEK
|
— |
499,000,000
SEK
|