Statement Of Changes In Equity [Abstract]

Bufab AB - Filing #690527

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]
Dividends recognised as distributions to owners of parent, relating to prior years	— SEK	— SEK	140,000,000 SEK	140,000,000 SEK	— SEK	— SEK	— SEK	— SEK	103,000,000 SEK	103,000,000 SEK
Increase (decrease) through exercise of warrants, equity	— SEK	— SEK	6,000,000 SEK	6,000,000 SEK	— SEK	— SEK	— SEK	— SEK	4,000,000 SEK	4,000,000 SEK
Increase (decrease) through transactions with owners, equity	0 SEK	0 SEK	127,000,000 SEK	127,000,000 SEK	0 SEK	0 SEK	0 SEK	0 SEK	84,000,000 SEK	84,000,000 SEK