Statement Of Changes In Equity [Abstract]

Alfa Laval - Filing #679134

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	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	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	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	2 480 SEK	– SEK	– SEK	2 480 SEK	– SEK	2 480 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	– SEK	– SEK	2 480 SEK	– SEK	– SEK	2 480 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	2 480 SEK	– SEK
Dividends recognised as distributions to non-controlling interests	18,000,000 SEK	– SEK	18,000,000 SEK	– SEK	– SEK	– SEK	– SEK	18,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	12,000,000 SEK	– SEK	12,000,000 SEK	– SEK	– SEK	12,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK
Increase (decrease) through acquisition of subsidiary, equity	32,000,000 SEK	– SEK	32,000,000 SEK	– SEK	– SEK	– SEK	– SEK	32,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	0 SEK	– SEK	0 SEK	– SEK	– SEK	0 SEK	– SEK	– SEK	– SEK	– SEK	– SEK
Purchase of treasury shares	—	—	—	—	—	—	—	—	—	—	—	—	– SEK	661,000,000 SEK	– SEK	– SEK	661,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	661,000,000 SEK	– SEK
Cancellation of treasury shares	– SEK	– SEK	– SEK	1,000,000 SEK	– SEK	– SEK	– SEK	– SEK	1,000,000 SEK	– SEK	– SEK	– SEK	15,000,000 SEK	– SEK	– SEK	– SEK	15,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	– SEK	– SEK