Statement Of Changes In Equity [Abstract]

Studsvik - Filing #5861537

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 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 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 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 changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	—	86 021 SEK	225 272 SEK	8 219 SEK	—	402 988 SEK	—	83 475 SEK	402 988 SEK	—	389 199 SEK	—	—	92 857 SEK	62 851 SEK	—	—	225 272 SEK	—	8 219 SEK	389 199 SEK	435 996 SEK	68 774 SEK	225 272 SEK	133 728 SEK	8 219 SEK	435 996 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– SEK	9 600 SEK	– SEK	– SEK	—	—	—	9 600 SEK	—	9 600 SEK	—	—	48 583 SEK	—	48 583 SEK	– SEK	—	—	48 583 SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—
Other comprehensive income	20 623 SEK	20 623 SEK	– SEK	– SEK	—	—	—	– SEK	—	20 623 SEK	—	—	5 923 SEK	—	5 923 SEK	5 923 SEK	—	—	– SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	—	—	—	—	—	—	30 224 SEK	—	—	42 660 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– SEK	16 437 SEK	– SEK	– SEK	—	—	—	16 437 SEK	—	16 437 SEK	—	—	16 437 SEK	—	16 437 SEK	– SEK	—	—	16 437 SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	—	—	—	—	—	—	—	—	—	73 024 SEK	—	73 024 SEK	– SEK	—	—	73 024 SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—