Statement Of Changes In Equity [Abstract]

ASSA ABLOY - Filing #703430

Concept	2021-01-01 to 2021-12-31	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	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	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	2020-01-01 to 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	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	54 299 SEK	5 237 SEK	9 675 SEK	—	69 592 SEK	9,000,000 SEK	371,000,000 SEK	—	—	47 030 SEK	—	9,000,000 SEK	9 675 SEK	371,000,000 SEK	—	1 794 SEK	—	58 879 SEK	—	11,000,000 SEK	6 728 SEK	9 675 SEK	59 154 SEK	42 369 SEK	371,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,000,000 SEK	—	—	—	—	—	—	—	10 901 SEK	10 900 SEK	—	9 172 SEK	—	—	—	9 171 SEK	—	—	—	1,000,000 SEK	—	—	—	—	—	—
Other comprehensive income	1,000,000 SEK	—	—	—	3 444 SEK	—	—	—	4 150 SEK	705,000,000 SEK	—	5 197 SEK	—	—	—	262,000,000 SEK	—	4 934 SEK	—	1,000,000 SEK	—	—	—	—	—	—
Comprehensive income	1,000,000 SEK	—	—	—	3 444 SEK	—	—	—	15 050 SEK	11 605 SEK	—	3 975 SEK	—	—	—	8 909 SEK	—	4 934 SEK	—	0 SEK	—	—	—	—	—	—
Dividends recognised as distributions to owners	2,000,000 SEK	—	—	—	—	—	—	—	4 333 SEK	4 332 SEK	—	4 277 SEK	—	—	—	4 276 SEK	—	—	—	1,000,000 SEK	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	– SEK	—	—	—	—	—	—	—	– SEK	– SEK	—	0 SEK	—	—	—	1,000,000 SEK	—	—	—	1,000,000 SEK	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– SEK	—	—	—	—	—	—	—	5,000,000 SEK	5,000,000 SEK	—	28,000,000 SEK	—	—	—	28,000,000 SEK	—	—	—	– SEK	—	—	—	—	—	—