Disclosure Of Fair Value Measurement [Text Block]

Koninklijke Heijmans N.V. - Filing #5829982

Concept	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 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
Disclosure of fair value measurement [text block]	—	—	—	Reële waarden	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of assets [abstract]
Disclosure of fair value measurement of assets [line items]
Assets	—	—	—	—	—	1,368,600 EUR	—	—	—	1,335,600 EUR	—	—	—	—	—	—	—	—	—	—	—	—
Reconciliation of changes in fair value measurement, assets [abstract]
Disclosure of fair value measurement of equity [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of fair value measurement of equity [abstract]
Disclosure of fair value measurement of equity [line items]
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
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]