Statement Of Cash Flows [Abstract]
| Concept |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) | — |
1 508
SEK
|
1 508
SEK
|
1 508
SEK
|
1 259
SEK
|
— |
1 259
SEK
|
1 259
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for depreciation and amortisation expense | — | — |
1 307
SEK
|
— | — | — |
1 412
SEK
|
— | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — | — |
16,000,000
SEK
|
— | — | — |
24,000,000
SEK
|
— | — |
| Adjustments for provisions | — | — |
90,000,000
SEK
|
— | — | — |
19,000,000
SEK
|
— | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
17 8
SEK
|
— | — | — |
64,000,000
SEK
|
— | — |
| Other adjustments to reconcile profit (loss) | — | — |
18,000,000
SEK
|
— | — | — |
44,000,000
SEK
|
— | — |
| Adjustments to reconcile profit (loss) | — | — |
1 253
SEK
|
— | — | — |
1 564
SEK
|
— | — |
| Income taxes paid (refund), classified as operating activities | — | — |
2 41
SEK
|
— | — | — |
1 8 8
SEK
|
— | — |
| Cash flows from (used in) operating activities | — | — |
2 260
SEK
|
— | — | — |
1 569
SEK
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — |
18 9
SEK
|
— | — | — |
2 0
SEK
|
— | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
16 8
SEK
|
— | — | — |
14 5
SEK
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
7 1 0
SEK
|
— | — | — |
601,000,000
SEK
|
— | — |
| Proceeds from sales of intangible assets, classified as investing activities | — | — |
1,000,000
SEK
|
— | — | — |
2,000,000
SEK
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
59,000,000
SEK
|
— | — | — |
2 4
SEK
|
— | — |
| Cash flows from (used in) investing activities | — | — |
36 3
SEK
|
— | — | — |
4 63
SEK
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Payments to acquire or redeem entity's shares | — | — |
13,000,000
SEK
|
— | — | — |
3 4
SEK
|
— | — |
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — |
639,000,000
SEK
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — |
31,000,000
SEK
|
— | — | — |
2 16
SEK
|
— | — |
| Payments of lease liabilities, classified as financing activities | — | — |
688,000,000
SEK
|
— | — | — |
1 35 5
SEK
|
— | — |
| Dividends paid, classified as financing activities | — | — |
5 38
SEK
|
— | — | — |
2 6 9
SEK
|
— | — |
| Cash flows from (used in) financing activities | — | — |
1 49 2
SEK
|
— | — | — |
1 32 2
SEK
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
404,000,000
SEK
|
— | — | — |
2 17
SEK
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
2,000,000
SEK
|
— | — | — |
4 4
SEK
|
— | — |
| Cash and cash equivalents |
2 561
SEK
|
— | — | — | — |
2 155
SEK
|
— | — |
2 416
SEK
|