Statement Of Changes In Equity [Abstract]

Byggfakta Group Nordic HoldCo - Filing #678255

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	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	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	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31	As at 2021-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	0 SEK	8 218 SEK	—	210,000,000 SEK	—	—	9,000,000 SEK	—	—	53,000,000 SEK	237,000,000 SEK	8 209 SEK	—	8 130 SEK	0 SEK	8 2 76 SEK	—	—	—	—	—	14,000,000 SEK	174,000,000 SEK	53,000,000 SEK	255,000,000 SEK	8 262 SEK	8 128 SEK	—	—	—	244,000,000 SEK	0 SEK	8 135 SEK	7 939 SEK	7 932 SEK	7,000,000 SEK	11,000,000 SEK	53,000,000 SEK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	– SEK	84,000,000 SEK	—	—	83,000,000 SEK	—	1,000,000 SEK	83,000,000 SEK	—	– SEK	– SEK	—	—	—	– SEK	—	—	—	– SEK	– SEK	13 0 SEK	12 7 SEK	2,000,000 SEK	—	—	—	—	—	—	12 7 SEK	– SEK	– SEK	—	—	—	—	—	—	—	—
Other comprehensive income	– SEK	18,000,000 SEK	—	—	18,000,000 SEK	—	– SEK	– SEK	—	18,000,000 SEK	– SEK	—	—	—	– SEK	—	—	—	– SEK	– SEK	266,000,000 SEK	– SEK	0 SEK	—	—	—	—	—	—	26 6 SEK	266,000,000 SEK	– SEK	—	—	—	—	—	—	—	—
Comprehensive income	– SEK	66,000,000 SEK	—	—	65,000,000 SEK	—	1,000,000 SEK	83,000,000 SEK	—	18,000,000 SEK	– SEK	—	—	—	– SEK	—	—	—	– SEK	– SEK	396,000,000 SEK	12 7 SEK	3,000,000 SEK	—	—	—	—	—	—	394,000,000 SEK	266,000,000 SEK	– SEK	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	– SEK	2,000,000 SEK	—	—	2,000,000 SEK	—	– SEK	– SEK	—	– SEK	– SEK	—	—	—	2,000,000 SEK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	– SEK	59,000,000 SEK	—	—	54,000,000 SEK	—	5,000,000 SEK	54,000,000 SEK	—	– SEK	– SEK	—	—	—	– SEK	—	—	—	– SEK	– SEK	5,000,000 SEK	– SEK	5,000,000 SEK	—	—	—	—	—	—	– SEK	– SEK	– SEK	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– SEK	1,000,000 SEK	—	—	1,000,000 SEK	—	– SEK	1,000,000 SEK	—	– SEK	– SEK	—	—	—	– SEK	—	—	—	– SEK	– SEK	1,000,000 SEK	1,000,000 SEK	– SEK	—	—	—	—	—	—	1,000,000 SEK	– SEK	– SEK	—	—	—	—	—	—	—	—