Profit Or Loss [Abstract]

Koninklijke Heijmans N.V. - Filing #5829982

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Profit or loss [abstract]
Profit (loss) [abstract]
Cost of sales	—	2,245,800 EUR	—	—	—	—	—	—	1,828,600 EUR	—	—	—	—	—
Gross profit	—	3,384,000,000 EUR	—	—	—	—	—	—	2,887,000,000 EUR	—	—	—	—	—
Other income	—	140,000,000 EUR	—	—	—	—	—	—	19,000,000 EUR	—	—	—	—	—
Administrative expenses	—	1,947,000,000 EUR	—	—	—	—	—	—	1,790,000,000 EUR	—	—	—	—	—
Other expense, by function	—	106,000,000 EUR	—	—	—	—	—	—	92,000,000 EUR	—	—	—	—	—
Profit (loss) from operating activities	—	1,110,000,000 EUR	—	—	—	—	—	—	810,000,000 EUR	—	—	—	—	—
Finance income	—	77,000,000 EUR	—	—	—	—	—	—	58,000,000 EUR	—	—	—	—	—
Finance costs	—	139,000,000 EUR	—	—	—	—	—	—	85,000,000 EUR	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	122,000,000 EUR	—	—	—	—	—	—	28,000,000 EUR	—	—	—	—	—
Profit (loss) before tax	—	1,170,000,000 EUR	—	—	—	—	—	—	811,000,000 EUR	—	—	—	—	—
Tax expense (income)	—	270,000,000 EUR	—	—	—	—	—	—	214,000,000 EUR	—	—	—	—	—
Profit (loss)	EUR	900,000,000 EUR	EUR	900,000,000 EUR	EUR	0 EUR	EUR	EUR	597,000,000 EUR	EUR	597,000,000 EUR	EUR	EUR	EUR
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	331.00	—	—	—	—	—	—	240.00	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	331.00	—	—	—	—	—	—	239.00	—	—	—	—	—