Statement Of Financial Position [Abstract]

JM - Filing #5861413

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	24,000,000 SEK	—	—	—	—	—	—	10,000,000 SEK	—	—	—	—	—	—	—
Investment property	—	—	—	3,000,000 SEK	—	—	—	—	—	—	– SEK	—	—	—	—	—	—	—
Goodwill	—	—	—	215,000,000 SEK	—	—	—	—	—	—	217,000,000 SEK	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	133,000,000 SEK	—	—	—	—	—	—	93,000,000 SEK	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	2,000,000 SEK	—	—	—	—	—	—	1,000,000 SEK	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	506,000,000 SEK	—	—	—	—	—	—	1 673 SEK	—	2 151 SEK	—	—	—	—	—
Assets	—	—	—	25 163 SEK	—	—	—	—	—	—	30 073 SEK	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	68,000,000 SEK	—	—	—	—	—	—	68,000,000 SEK	—	—	—	—	—	—	—
Retained earnings	—	—	—	7 194 SEK	—	—	—	—	—	—	7 018 SEK	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	8 170 SEK	—	—	—	—	—	—	7 972 SEK	—	—	—	—	—	—	—
Equity	8 170 SEK	7 194 SEK	936,000,000 SEK	—	68,000,000 SEK	28,000,000 SEK	68,000,000 SEK	51,000,000 SEK	936,000,000 SEK	7 018 SEK	—	7 972 SEK	—	68,000,000 SEK	59,000,000 SEK	6 976 SEK	8 039 SEK	936,000,000 SEK
Liabilities [abstract]
Liabilities	—	—	—	16 993 SEK	—	—	—	—	—	—	22 102 SEK	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	25 163 SEK	—	—	—	—	—	—	30 073 SEK	—	—	—	—	—	—	—