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 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||
| Profit (loss) |
19,000,000
SEK
|
6,000,000
SEK
|
— |
24,000,000
SEK
|
24,000,000
SEK
|
2,192,000,000
SEK
|
— |
2,192,000,000
SEK
|
2,192,000,000
SEK
|
— |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||
| Adjustments for decrease (increase) in inventories | — |
2,000,000
SEK
|
— | — | — |
19,000,000
SEK
|
— | — | — | — |
| Other adjustments for non-cash items | — |
943,000,000
SEK
|
— | — | — |
1,321,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) operations | — |
4,949,000,000
SEK
|
— | — | — |
6,772,000,000
SEK
|
— | — | — | — |
| Interest paid, classified as operating activities | — |
1,415,000,000
SEK
|
— | — | — |
667,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) operating activities | — |
2,854,000,000
SEK
|
— | — | — |
5,291,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — |
7,355,000,000
SEK
|
— | — | — |
1,127,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) investing activities | — |
8,387,000,000
SEK
|
— | — | — |
2,164,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — |
1 091,8
SEK
|
— | — | — |
1 931,0
SEK
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities | — |
3,543,000,000
SEK
|
— | — | — |
2 061,0
SEK
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — |
855,000,000
SEK
|
— | — | — |
705,000,000
SEK
|
— | — | — | — |
| Dividends paid, classified as financing activities | — |
877,000,000
SEK
|
— | — | — |
844,000,000
SEK
|
— | — | — | — |
| Cash flows from (used in) financing activities | — |
5,633,000,000
SEK
|
— | — | — |
2,843,000,000
SEK
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
100,000,000
SEK
|
— | — | — |
284,000,000
SEK
|
— | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
47,000,000
SEK
|
— | — | — |
135,000,000
SEK
|
— | — | — | — |
| Cash and cash equivalents | — | — |
4,823,000,000
SEK
|
— | — | — |
4,676,000,000
SEK
|
— | — |
4,526,000,000
SEK
|