Statement Of Comprehensive Income [Abstract]

Alfa Laval - Filing #702508

Concept	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	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	42,000,000 SEK	– SEK	4,759,000,000 SEK	– SEK	4,759,000,000 SEK	– SEK	– SEK	42,000,000 SEK	– SEK	– SEK	– SEK	4,801,000,000 SEK	27,000,000 SEK	3,580,000,000 SEK	– SEK	– SEK	– SEK	– SEK	– SEK	27,000,000 SEK	3,553,000,000 SEK	– SEK	3,553,000,000 SEK	– SEK
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	—	—	—	—	—	—	567,000,000 SEK	—	432,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Cash flow hedges [abstract]
Other comprehensive income, before tax, cash flow hedges	—	—	—	—	—	—	—	—	—	—	—	434,000,000 SEK	—	744,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Financial assets measured at fair value through other comprehensive income [abstract]
Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income	—	—	—	—	—	—	—	—	—	—	—	357,000,000 SEK	—	125,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	—	—	—	—	—	—	141,000,000 SEK	—	87,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss	—	—	—	—	—	—	—	—	—	—	—	66,000,000 SEK	—	76,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	21,000,000 SEK	347,000,000 SEK	2,075,000,000 SEK	1,639,000,000 SEK	– SEK	443,000,000 SEK	340,000,000 SEK	– SEK	– SEK	21,000,000 SEK	– SEK	2,096,000,000 SEK	– SEK	2,256,000,000 SEK	345,000,000 SEK	125,000,000 SEK	590,000,000 SEK	– SEK	– SEK	11,000,000 SEK	2,245,000,000 SEK	2,365,000,000 SEK	– SEK	11,000,000 SEK
Comprehensive income	63,000,000 SEK	347,000,000 SEK	6,834,000,000 SEK	1,639,000,000 SEK	4,759,000,000 SEK	443,000,000 SEK	340,000,000 SEK	42,000,000 SEK	– SEK	21,000,000 SEK	– SEK	6,897,000,000 SEK	27,000,000 SEK	1,324,000,000 SEK	345,000,000 SEK	125,000,000 SEK	590,000,000 SEK	– SEK	– SEK	16,000,000 SEK	1,308,000,000 SEK	2,365,000,000 SEK	3,553,000,000 SEK	11,000,000 SEK
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	—	—	—	6,834,000,000 SEK	—	1,308,000,000 SEK	—	—	—	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	—	—	—	63,000,000 SEK	—	16,000,000 SEK	—	—	—	—	—	—	—	—	—	—