Statement Of Financial Position [Abstract]

Investor AB - Filing #679277

Concept	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 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of financial position [abstract]
Assets [abstract]
Investment property	5  354 SEK	—	—	—	—	—	—	—	—	—	8  410 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	6 4 7 82 SEK	—	—	—	—	—	—	—	—	—	63  334 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	33 233 SEK	—	—	—	—	—	—	—	—	—	34  355 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-current assets or disposal groups classified as held for sale or as held for distribution to owners	4  434 SEK	—	—	—	—	—	—	—	—	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	1 449 SEK	—	—	—	—	—	—	—	—	—	1 094 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	18  794 SEK	—	—	—	—	—	—	—	—	—	13  164 SEK	—	—	—	—	—	—	—	—	—	—	—	—	18  330 SEK	—	—	—	—	—	—
Assets	838  450 SEK	—	—	—	—	—	—	—	—	—	724  365 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	4  795 SEK	—	—	—	—	—	—	—	—	—	4  795 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Retained earnings	683  855 SEK	—	—	—	—	—	—	—	—	—	570  387 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	13  533 SEK	—	—	—	—	—	—	—	—	—	13  533 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Other reserves	14  586 SEK	—	—	—	—	—	—	—	—	—	16  151 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	716  768 SEK	—	—	—	—	—	—	—	—	—	604  865 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	663,000,000 SEK	—	—	—	—	—	—	—	—	—	78 8 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	717  431 SEK	683 855 SEK	901,000,000 SEK	663,000,000 SEK	13  533 SEK	4  795 SEK	13 44 1 SEK	716 768 SEK	5,000,000 SEK	238,000,000 SEK	605  653 SEK	97 7 SEK	788,000,000 SEK	13  533 SEK	570  387 SEK	4  795 SEK	14 880 SEK	604 865 SEK	274,000,000 SEK	19,000,000 SEK	657  379 SEK	97 2 SEK	153,000,000 SEK	683  505 SEK	66,000,000 SEK	682  614 SEK	13  533 SEK	891,000,000 SEK	5 84 7 SEK	4  795 SEK
Liabilities [abstract]
Deferred tax liabilities	6 223 SEK	—	—	—	—	—	—	—	—	—	6  564 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities included in disposal groups classified as held for sale	228,000,000 SEK	—	—	—	—	—	—	—	—	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Liabilities	121  019 SEK	—	—	—	—	—	—	—	—	—	118  711 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	838  450 SEK	—	—	—	—	—	—	—	—	—	724  365 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—