Statement Of Changes In Equity [Abstract]

Fabege - Filing #703419

Concept	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	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	As at 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	37 060 SEK	3,017,000,000 SEK	—	4 5 1 74 SEK	45 174 SEK	0 SEK	5 097 SEK	—	—	—	33 428 SEK	0 SEK	3 017 SEK	41 542 SEK	5 097 SEK	—	41 542 SEK	—	—	39 993 SEK	74,000,000 SEK	3 017 SEK	40 068 SEK	31 880 SEK	5 097 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	5 400 SEK	—	—	—	—	5 400 SEK	5 400 SEK	3 167 SEK	—	—	—	—	—	3 167 SEK	—	0 SEK	3 167 SEK	—	—	—	—	—	—
Other comprehensive income	—	—	—	6,000,000 SEK	—	—	—	—	6,000,000 SEK	6,000,000 SEK	1,000,000 SEK	—	—	—	—	—	1,000,000 SEK	—	—	1,000,000 SEK	—	—	—	—	—	—
Comprehensive income	0 SEK	—	—	5 406 SEK	—	—	—	—	5 406 SEK	5 406 SEK	3 166 SEK	—	—	—	—	—	3 166 SEK	—	0 SEK	3 166 SEK	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	—	—	—	—	—	—	—	—	—	10 0 SEK	—	—	—	—	—	26,000,000 SEK	—	74,000,000 SEK	26,000,000 SEK	—	—	—	—	—	—
Increase (decrease) in equity	0 SEK	—	—	1 7 74 SEK	—	—	—	—	1 774 SEK	1 774 SEK	1 691 SEK	—	—	—	—	—	1 617 SEK	—	74,000,000 SEK	1 617 SEK	—	—	—	—	—	—