Statement Of Changes In Equity [Abstract]

NP3 Fastigheter - Filing #689608

Concept	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	As at 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 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	As at 2022-01-01	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01	As at 2021-01-01
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	7 663 SEK	—	—	—	—	46,000,000 SEK	2 339 SEK	4 954 SEK	324,000,000 SEK	7 617 SEK	—	—	6 698 SEK	4 041 SEK	2 334 SEK	324,000,000 SEK	46,000,000 SEK	6 743 SEK	—	4 041 SEK	—	6 743 SEK	—	6 698 SEK	2 334 SEK	—	46,000,000 SEK	324,000,000 SEK	—	—	288,000,000 SEK	4 637 SEK	2 294 SEK	2 045 SEK	4 627 SEK	11,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	1 244 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2 020 SEK	—	—	—	—	—	—	—
Other comprehensive income	—	—	- SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	- SEK	—	—	—	—	—	—	—
Comprehensive income	—	- SEK	1 244 SEK	1 224 SEK	20,000,000 SEK	—	—	—	—	—	1 224 SEK	- SEK	—	—	—	—	—	—	4,000,000 SEK	—	2 017 SEK	—	- SEK	—	—	- SEK	—	—	2 020 SEK	2 017 SEK	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	- SEK	—	324,000,000 SEK	—	28 9 SEK	—	—	35,000,000 SEK	—	—	324,000,000 SEK	- SEK	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	- SEK	31 0 SEK	310,000,000 SEK	- SEK	—	—	—	—	—	310,000,000 SEK	- SEK	—	—	—	—	—	—	2,000,000 SEK	—	2 70 SEK	—	- SEK	—	—	- SEK	—	—	27 1 SEK	270,000,000 SEK	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	- SEK	20,000,000 SEK	- SEK	2 0 SEK	—	—	—	—	—	- SEK	- SEK	—	—	—	—	—	—	33,000,000 SEK	—	- SEK	—	- SEK	—	—	- SEK	—	—	33,000,000 SEK	- SEK	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	- SEK	3,000,000 SEK	- SEK	- SEK	—	—	—	—	—	3,000,000 SEK	3,000,000 SEK	—	—	—	—	—	—	- SEK	—	2,000,000 SEK	—	2,000,000 SEK	—	—	- SEK	—	—	2,000,000 SEK	- SEK	—	—	—	—	—	—