Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) |
6,000,000
SEK
|
1 235
SEK
|
— |
1 229
SEK
|
1 229
SEK
|
1 100
SEK
|
— |
0
SEK
|
1 100
SEK
|
1 100
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for depreciation and amortisation expense | — |
914,000,000
SEK
|
— | — | — |
958,000,000
SEK
|
— | — | — | — | — |
| Other adjustments for non-cash items | — |
25,000,000
SEK
|
— | — | — |
82,000,000
SEK
|
— | — | — | — | — |
| Interest paid, classified as operating activities | — |
368,000,000
SEK
|
— | — | — |
355,000,000
SEK
|
— | — | — | — | — |
| Interest received, classified as operating activities | — |
55,000,000
SEK
|
— | — | — |
56,000,000
SEK
|
— | — | — | — | — |
| Income taxes paid (refund), classified as operating activities | — |
379,000,000
SEK
|
— | — | — |
433,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — |
1 994
SEK
|
— | — | — |
1 794
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities | — |
—
SEK
|
— | — | — |
107,000,000
SEK
|
— | — | — | — | — |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
86,000,000
SEK
|
— | — | — |
357,000,000
SEK
|
— | — | — | — | — |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
13,000,000
SEK
|
— | — | — |
—
SEK
|
— | — | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
9,000,000
SEK
|
— | — | — |
3,000,000
SEK
|
— | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — |
107,000,000
SEK
|
— | — | — |
147,000,000
SEK
|
— | — | — | — | — |
| Proceeds from sales of intangible assets, classified as investing activities | — |
0
SEK
|
— | — | — |
—
SEK
|
— | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — |
26,000,000
SEK
|
— | — | — |
29,000,000
SEK
|
— | — | — | — | — |
| Purchase of other long-term assets, classified as investing activities | — |
60,000,000
SEK
|
— | — | — |
9,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — |
383,000,000
SEK
|
— | — | — |
756,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Payments of other equity instruments | — |
149,000,000
SEK
|
— | — | — |
171,000,000
SEK
|
— | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — |
2 174
SEK
|
— | — | — |
4 372
SEK
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — |
2 252
SEK
|
— | — | — |
3 914
SEK
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
620,000,000
SEK
|
— | — | — |
606,000,000
SEK
|
— | — | — | — | — |
| Dividends paid, classified as financing activities | — |
623,000,000
SEK
|
— | — | — |
623,000,000
SEK
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — |
1 469
SEK
|
— | — | — |
942,000,000
SEK
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
141,000,000
SEK
|
— | — | — |
95,000,000
SEK
|
— | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
38,000,000
SEK
|
— | — | — |
16,000,000
SEK
|
— | — | — | — | — |
| Cash and cash equivalents | — | — |
1 270
SEK
|
— | — | — |
1 167
SEK
|
— | — | — |
1 088
SEK
|