Analysis Of Income And Expense [Abstract]

Byggmax Group - Filing #702461

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue from sale of goods	—	7 645 SEK	—	—	6 801 SEK	—
Material income and expense [abstract]
Finance income (cost)	—	52,000,000 SEK	—	—	42,000,000 SEK	—
Revenue and other operating income	—	7 671 SEK	—	—	6 827 SEK	—
Expenses by nature [abstract]
Cost of merchandise sold	—	5 038 SEK	—	—	4 584 SEK	—
Classes of employee benefits expense [abstract]
Employee benefits expense	—	7 8 2 SEK	—	—	707,000,000 SEK	—
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	519,000,000 SEK	—	—	470,000,000 SEK	—
Other expenses, by nature	—	481,000,000 SEK	—	—	400,000,000 SEK	—
Expenses, by nature	—	6 820 SEK	—	—	6 162 SEK	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	28,000,000 SEK	649,000,000 SEK	621,000,000 SEK	485,000,000 SEK	467,000,000 SEK	18,000,000 SEK