Statement Of Changes In Equity [Abstract]

Bufab AB - Filing #679390

Concept	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	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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	3 418 SEK	—	2 741 SEK	188,000,000 SEK	—	—	1,000,000 SEK	—	488,000,000 SEK	3 036 SEK	—	—	—	—	202,000,000 SEK	2 345 SEK	1,000,000 SEK	488,000,000 SEK	—	1 856 SEK	32,000,000 SEK	488,000,000 SEK	2 377 SEK	1,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	574,000,000 SEK	—	— SEK	—	—	574,000,000 SEK	— SEK	—	— SEK	—	—	— SEK	— SEK	609,000,000 SEK	609,000,000 SEK	—	—	—	—	— SEK	—	—	—	—	—
Other comprehensive income	15,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	177,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	559,000,000 SEK	—	14,000,000 SEK	—	—	573,000,000 SEK	— SEK	—	— SEK	—	—	— SEK	170,000,000 SEK	786,000,000 SEK	616,000,000 SEK	—	—	—	—	— SEK	—	—	—	—	—
Increase (decrease) through treasury share transactions, equity	19,000,000 SEK	—	— SEK	—	—	19,000,000 SEK	— SEK	—	— SEK	—	—	— SEK	— SEK	7,000,000 SEK	7,000,000 SEK	—	—	—	—	— SEK	—	—	—	—	—