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) |
0
SEK
|
— |
1 129
SEK
|
1 130
SEK
|
1 129
SEK
|
933,000,000
SEK
|
— |
932,000,000
SEK
|
0
SEK
|
933,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for decrease (increase) in other operating receivables | — | — | — |
980,000,000
SEK
|
— | — | — |
445,000,000
SEK
|
— | — | — |
| Adjustments for increase (decrease) in other operating payables | — | — | — |
440,000,000
SEK
|
— | — | — |
73,000,000
SEK
|
— | — | — |
| Adjustments to reconcile profit (loss) | — | — | — |
874,000,000
SEK
|
— | — | — |
453,000,000
SEK
|
— | — | — |
| Income taxes paid (refund), classified as operating activities | — | — | — |
229,000,000
SEK
|
— | — | — |
163,000,000
SEK
|
— | — | — |
| Cash flows from (used in) operating activities | — | — | — |
1 498
SEK
|
— | — | — |
2 004
SEK
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — | — | — |
0
SEK
|
— | — | — |
5,000,000
SEK
|
— | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — | — |
955,000,000
SEK
|
— | — | — |
41,000,000
SEK
|
— | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — |
44,000,000
SEK
|
— | — | — |
8,000,000
SEK
|
— | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — |
87,000,000
SEK
|
— | — | — |
81,000,000
SEK
|
— | — | — |
| Proceeds from sales of intangible assets, classified as investing activities | — | — | — |
1,000,000
SEK
|
— | — | — |
4,000,000
SEK
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — |
2 7
SEK
|
— | — | — |
—
SEK
|
— | — | — |
| Proceeds from sales of other long-term assets, classified as investing activities | — | — | — |
15,000,000
SEK
|
— | — | — |
—
SEK
|
— | — | — |
| Purchase of other long-term assets, classified as investing activities | — | — | — |
0
SEK
|
— | — | — |
42,000,000
SEK
|
— | — | — |
| Cash flows from (used in) investing activities | — | — | — |
1 213
SEK
|
— | — | — |
264,000,000
SEK
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Payments to acquire or redeem entity's shares | — | — | — |
205,000,000
SEK
|
— | — | — |
—
SEK
|
— | — | — |
| Payments of other equity instruments | — | — | — |
7,000,000
SEK
|
— | — | — |
0
SEK
|
— | — | — |
| Proceeds from borrowings, classified as financing activities | — | — | — |
2 139
SEK
|
— | — | — |
849,000,000
SEK
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — |
1 373
SEK
|
— | — | — |
1 836
SEK
|
— | — | — |
| Dividends paid, classified as financing activities | — | — | — |
566,000,000
SEK
|
— | — | — |
—
SEK
|
— | — | — |
| Cash flows from (used in) financing activities | — | — | — |
12,000,000
SEK
|
— | — | — |
987,000,000
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
|
— | — | — |
180,000,000
SEK
|
— | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — |
274,000,000
SEK
|
— | — | — |
753,000,000
SEK
|
— | — | — |
| Cash and cash equivalents | — |
2 112
SEK
|
— | — | — | — |
1 930
SEK
|
— | — | — |
997,000,000
SEK
|