Statement Of Changes In Equity [Abstract]

MT Højgaard Holding - Filing #1384113

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	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	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	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	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	7,511,000,000 DKK	—	—	—	—	171,000,000 DKK	5,765,000,000 DKK	1,557,000,000 DKK	18,000,000 DKK	7,340,000,000 DKK	—	—	—	5,639,000,000 DKK	—	7,368,000,000 DKK	—	7,207,000,000 DKK	161,000,000 DKK	11,000,000 DKK	1,557,000,000 DKK	—	—	—	4,509,000,000 DKK	148,000,000 DKK	6,096,000,000 DKK	1,557,000,000 DKK	30,000,000 DKK	6,244,000,000 DKK
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	- DKK	121,000,000 DKK	117,000,000 DKK	4,000,000 DKK	—	—	—	—	—	117,000,000 DKK	- DKK	6,000,000 DKK	—	1,176,000,000 DKK	—	- DKK	—	—	—	—	- DKK	1,182,000,000 DKK	1,176,000,000 DKK	—	—	—	—	—	—
Other comprehensive income	—	—	9,000,000 DKK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	36,000,000 DKK	—	—	—	—	—	—	—
Comprehensive income	—	—	130,000,000 DKK	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1,218,000,000 DKK	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	- DKK	30,000,000 DKK	30,000,000 DKK	- DKK	—	—	—	—	—	30,000,000 DKK	- DKK	- DKK	—	84,000,000 DKK	—	- DKK	—	—	—	—	- DKK	84,000,000 DKK	84,000,000 DKK	—	—	—	—	—	—