Statement Of Financial Position [Abstract]

Koninklijke Heijmans N.V. - Filing #5829982

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	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	As at 2022-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	1,233,000,000 EUR	—	—	—	1,147,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	1,648,000,000 EUR	—	—	—	1,651,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	22,000,000 EUR	—	—	—	109,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	—	1,057,000,000 EUR	—	—	—	1,008,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	118,000,000 EUR	—	—	—	197,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	1,054,000,000 EUR	—	—	—	404,000,000 EUR	—	—	—	—	—	2,370,000,000 EUR	—	—	—	—	—	—
Assets	—	—	—	—	1,368,600 EUR	—	—	—	1,335,600 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	83,000,000 EUR	—	—	—	81,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	3,133,000,000 EUR	—	—	—	3,002,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Equity	1,152,000,000 EUR	3,133,000,000 EUR	83,000,000 EUR	2,000,000 EUR	4,630,000,000 EUR	640,000,000 EUR	900,000,000 EUR	640,000,000 EUR	3,836,000,000 EUR	794,000,000 EUR	597,000,000 EUR	3,002,000,000 EUR	81,000,000 EUR	2,000,000 EUR	3,170,000,000 EUR	436,000,000 EUR	603,000,000 EUR	596,000,000 EUR	2,667,000,000 EUR	3,000,000 EUR	71,000,000 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	—	—	240,000,000 EUR	—	—	—	293,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	1,368,600 EUR	—	—	—	1,335,600 EUR	—	—	—	—	—	—	—	—	—	—	—	—