Statement Of Changes In Equity [Abstract]

Byggmax Group - Filing #690031

Concept	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transactions with owners, equity	– SEK	– SEK	232,000,000 SEK	232,000,000 SEK	– SEK	– SEK	– SEK	– SEK	365,000,000 SEK	365,000,000 SEK
Purchase of treasury shares	—	—	0 SEK	0 SEK	—	—	—	—	200,000,000 SEK	200,000,000 SEK