Analysis Of Income And Expense [Abstract]

Investor AB - Filing #679277

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Dividend income	12  484 SEK	—	—	—	—	—	—	—	—	—	—	11  427 SEK	—	—	—	—
Revenue	59  643 SEK	—	—	—	—	—	—	—	—	—	—	51  812 SEK	—	—	—	—
Material income and expense [abstract]
Finance income (cost)	5  058 SEK	—	—	—	—	—	—	—	—	—	—	6  261 SEK	—	—	—	—
Sales and marketing expense	8 68 7 SEK	—	—	—	—	—	—	—	—	—	—	7 7 08 SEK	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract]
Share of profit (loss) of associates accounted for using equity method	208,000,000 SEK	—	—	—	—	—	—	—	—	—	—	1  176 SEK	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	24,000,000 SEK	—	—	—	—	—	—	—	—	—	—	132,000,000 SEK	—	—	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	125  273 SEK	232,000,000 SEK	14,000,000 SEK	127  061 SEK	125 5 05 SEK	36,000,000 SEK	67,000,000 SEK	1  439 SEK	85,000,000 SEK	65 175 SEK	13,000,000 SEK	65  212 SEK	7 4   42 7 SEK	37,000,000 SEK	9  033 SEK	121,000,000 SEK
Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract]
Comprehensive income, attributable to owners of parent	125  505 SEK	—	—	—	—	—	—	—	—	—	—	65  175 SEK	—	—	—	—
Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract]
Comprehensive income, attributable to non-controlling interests	232,000,000 SEK	—	—	—	—	—	—	—	—	—	—	37,000,000 SEK	—	—	—	—