Statement Of Changes In Equity [Abstract]

Koninklijke Heijmans N.V. - Filing #3069274

Concept	As at 2023-12-31	2023-01-01 to 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	2023-01-01 to 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	As at 2023-12-31	As at 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	2022-01-01 to 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	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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	63,972 EUR	—	—	—	79,376 EUR	383,657 EUR	59,733 EUR	—	—	300,215 EUR	—	8,048 EUR	—	257,000 EUR	317,019 EUR	—	—	43,583 EUR	60,259 EUR	59,580 EUR	—	266,739 EUR	310,000 EUR	7,066 EUR	—	—	—	—	267,585 EUR	13,314 EUR	50,299 EUR	60,214 EUR	257,018 EUR	340,000 EUR	6,828 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	59,733 EUR	59,733 EUR	- EUR	—	—	—	- EUR	- EUR	—	- EUR	—	- EUR	—	—	59,580 EUR	- EUR	—	—	—	- EUR	—	—	—	59,580 EUR	- EUR	- EUR	- EUR	—	—	—	—	—	—	—
Other comprehensive income	—	3,713 EUR	- EUR	3,713 EUR	—	—	—	- EUR	- EUR	—	- EUR	—	- EUR	—	—	45,000 EUR	- EUR	—	—	—	- EUR	—	—	—	- EUR	45,000 EUR	- EUR	- EUR	—	—	—	—	—	—	—
Comprehensive income	—	56,020 EUR	59,733 EUR	3,713 EUR	—	—	—	- EUR	- EUR	—	- EUR	—	- EUR	—	—	59,535 EUR	- EUR	—	—	—	- EUR	—	—	—	59,580 EUR	45,000 EUR	- EUR	- EUR	—	—	—	—	—	—	—
Issue of equity	—	23,435 EUR	0 EUR	- EUR	—	—	—	0 EUR	22,745 EUR	—	690,000 EUR	—	- EUR	—	—	0 EUR	0 EUR	—	—	—	- EUR	—	—	—	0 EUR	—	- EUR	0 EUR	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	12,764 EUR	0 EUR	- EUR	—	—	—	23,787 EUR	10,731 EUR	—	292,000 EUR	—	- EUR	—	—	10,071 EUR	238,000 EUR	—	—	—	20,030 EUR	—	—	—	0 EUR	- EUR	- EUR	9,721 EUR	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	53,000 EUR	- EUR	- EUR	—	—	—	- EUR	- EUR	—	- EUR	—	53,000 EUR	—	—	30,000 EUR	- EUR	—	—	—	- EUR	—	—	—	- EUR	- EUR	30,000 EUR	- EUR	—	—	—	—	—	—	—
Increase (decrease) in equity	—	66,638 EUR	153,000 EUR	3,713 EUR	—	—	—	35,793 EUR	33,476 EUR	—	982,000 EUR	—	53,000 EUR	—	—	49,434 EUR	238,000 EUR	—	—	—	30,269 EUR	—	—	—	9,281 EUR	45,000 EUR	30,000 EUR	9,721 EUR	—	—	—	—	—	—	—