Statement Of Changes In Equity [Abstract]

Wallenstam - Filing #5861561

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	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	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	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 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	—	—	30 323 SEK	165,000,000 SEK	—	—	3,000,000 SEK	—	359,000,000 SEK	30 844 SEK	—	30 500 SEK	—	29 979 SEK	3,000,000 SEK	—	—	165,000,000 SEK	—	359,000,000 SEK	31 432 SEK	3,000,000 SEK	30 911 SEK	165,000,000 SEK	359,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	- SEK	- SEK	—	—	774,000,000 SEK	774,000,000 SEK	—	- SEK	—	—	450,000,000 SEK	—	- SEK	—	—	450,000,000 SEK	- SEK	—	- SEK	—	—	—	—	—	—