Statement Of Changes In Equity [Abstract]

Securitas - Filing #702827

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 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	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	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 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	2020-01-01 to 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	2020-01-01 to 2020-12-31	2020-01-01 to 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	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	14 830 SEK	—	—	20 800 SEK	—	31,000,000 SEK	—	20 792 SEK	7 363 SEK	—	1 797 SEK	365,000,000 SEK	8,000,000 SEK	—	—	—	12 758 SEK	10,000,000 SEK	75,000,000 SEK	17 697 SEK	365,000,000 SEK	—	—	2 864 SEK	7 363 SEK	—	17 707 SEK	—	—	—	—	19 569 SEK	30,000,000 SEK	269,000,000 SEK	7 363 SEK	19 599 SEK	12 047 SEK	63,000,000 SEK	365,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,000,000 SEK	—	– SEK	3 133 SEK	—	– SEK	—	– SEK	—	—	– SEK	—	—	—	3 134 SEK	3 133 SEK	2 416 SEK	—	—	—	—	—	2 419 SEK	– SEK	—	—	– SEK	—	– SEK	3,000,000 SEK	– SEK	2 419 SEK	—	—	—	—	—	—	—	—
Other comprehensive income	1,000,000 SEK	—	44,000,000 SEK	1 409 SEK	—	– SEK	—	1 067 SEK	—	—	– SEK	—	—	—	1 410 SEK	386,000,000 SEK	2 603 SEK	—	—	—	—	—	16,000,000 SEK	12,000,000 SEK	—	—	– SEK	—	2 595 SEK	4,000,000 SEK	– SEK	2 599 SEK	—	—	—	—	—	—	—	—
Comprehensive income	2,000,000 SEK	—	44,000,000 SEK	4 542 SEK	—	– SEK	—	1 067 SEK	—	—	– SEK	—	—	—	4 544 SEK	3 519 SEK	187,000,000 SEK	—	—	—	—	—	2 403 SEK	12,000,000 SEK	—	—	– SEK	—	2 595 SEK	7,000,000 SEK	– SEK	180,000,000 SEK	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– SEK	—	– SEK	1 460 SEK	—	– SEK	—	– SEK	—	—	– SEK	—	—	—	1 460 SEK	1 460 SEK	1 752 SEK	—	—	—	—	—	1 752 SEK	– SEK	—	—	– SEK	—	– SEK	– SEK	– SEK	1 752 SEK	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	4,000,000 SEK	—	– SEK	– SEK	—	– SEK	—	– SEK	—	—	– SEK	—	—	—	4,000,000 SEK	– SEK	13,000,000 SEK	—	—	—	—	—	– SEK	– SEK	—	—	– SEK	—	– SEK	13,000,000 SEK	– SEK	– SEK	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– SEK	—	– SEK	13,000,000 SEK	—	– SEK	—	– SEK	—	—	– SEK	—	—	—	13,000,000 SEK	13,000,000 SEK	60,000,000 SEK	—	—	—	—	—	60,000,000 SEK	– SEK	—	—	– SEK	—	– SEK	– SEK	– SEK	60,000,000 SEK	—	—	—	—	—	—	—	—