Statement Of Changes In Equity [Abstract]

Alfa Laval - Filing #679134

Concept	As at 2023-12-31	2023-01-01 to 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	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 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	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 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 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	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	2022-01-01 to 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	As at 2022-12-31	As at 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	2022-01-01 to 2022-12-31	2022-01-01 to 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	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	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	1 139 SEK	—	—	37 378 SEK	312,000,000 SEK	—	35 056 SEK	—	33,000,000 SEK	—	—	—	862,000,000 SEK	—	345,000,000 SEK	—	1 117 SEK	37 033 SEK	83,000,000 SEK	174,000,000 SEK	—	—	2 770 SEK	—	35 704 SEK	—	—	—	—	—	1 185 SEK	1 037 SEK	31 299 SEK	48,000,000 SEK	—	—	274,000,000 SEK	—	322,000,000 SEK	1 117 SEK	—	35 382 SEK	176,000,000 SEK	2 770 SEK	—	—	128,000,000 SEK	—	2 770 SEK	28,000,000 SEK	220,000,000 SEK	32 344 SEK	148,000,000 SEK	217,000,000 SEK	808,000,000 SEK	1 285 SEK	32 096 SEK	248,000,000 SEK	1 117 SEK	29 937 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	6 381 SEK	– SEK	—	—	51,000,000 SEK	—	6 330 SEK	—	– SEK	6 330 SEK	– SEK	—	51,000,000 SEK	—	– SEK	—	—	—	—	– SEK	– SEK	—	– SEK	—	– SEK	4 569 SEK	– SEK	4 503 SEK	66,000,000 SEK	—	—	—	—	– SEK	66,000,000 SEK	—	– SEK	—	—	– SEK	—	—	—	– SEK	4 503 SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	2 121 SEK	102,000,000 SEK	—	—	– SEK	—	– SEK	—	15,000,000 SEK	2 106 SEK	2 047 SEK	—	15,000,000 SEK	—	– SEK	—	—	—	—	2,000,000 SEK	– SEK	—	45,000,000 SEK	—	– SEK	1 944 SEK	1 993 SEK	– SEK	20,000,000 SEK	—	—	—	—	20,000,000 SEK	– SEK	—	276,000,000 SEK	—	—	41,000,000 SEK	—	—	—	248,000,000 SEK	1 924 SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	4 260 SEK	102,000,000 SEK	—	—	51,000,000 SEK	—	6 330 SEK	—	15,000,000 SEK	4 224 SEK	2 047 SEK	—	36,000,000 SEK	—	– SEK	—	—	—	—	2,000,000 SEK	– SEK	—	45,000,000 SEK	—	– SEK	6 513 SEK	1 993 SEK	4 503 SEK	86,000,000 SEK	—	—	—	—	20,000,000 SEK	66,000,000 SEK	—	276,000,000 SEK	—	—	41,000,000 SEK	—	—	—	248,000,000 SEK	6 427 SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—
Issue of equity	—	– SEK	– SEK	—	—	– SEK	—	1,000,000 SEK	—	– SEK	– SEK	– SEK	—	– SEK	—	1,000,000 SEK	—	—	—	—	– SEK	– SEK	—	– SEK	—	15,000,000 SEK	– SEK	– SEK	15,000,000 SEK	– SEK	—	—	—	—	– SEK	– SEK	—	– SEK	—	—	– SEK	—	—	—	– SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	120,000,000 SEK	– SEK	—	—	27,000,000 SEK	—	93,000,000 SEK	—	– SEK	93,000,000 SEK	– SEK	—	27,000,000 SEK	—	– SEK	—	—	—	—	– SEK	– SEK	—	– SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—