Statement Of Changes In Equity [Abstract]

Bufab AB - Filing #702615

Concept	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	1 856 SEK	32,000,000 SEK	488,000,000 SEK	—	2 377 SEK	1,000,000 SEK	—	—	1 470 SEK	—	488,000,000 SEK	1,000,000 SEK	—	28,000,000 SEK	—	1 931 SEK	10 3 SEK	488,000,000 SEK	1 750 SEK	1 158 SEK	1,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	470,000,000 SEK	470,000,000 SEK	—	299,000,000 SEK	—	—	299,000,000 SEK	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	60,000,000 SEK	—	—	131,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	—	60,000,000 SEK	—	—	530,000,000 SEK	470,000,000 SEK	—	16 8 SEK	—	—	299,000,000 SEK	—	13 1 SEK	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	10 3 SEK	10 3 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	—	—	—	—	—	—	4,000,000 SEK	4,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	—	—	—	—	—	—	—	—	—	10,000,000 SEK	—	—	10,000,000 SEK	—	—	—	—	—	—	—	—