Disclosure Of Fair Value Measurement [Text Block]

Koninklijke BAM Groep N.V. - Filing #5830023

Concept	As at 2024-12-31	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 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]	—	—	—	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
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	—	—	—	—	—	—	3,891,006,000 EUR	—	3,932,020,000 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	122,395,000 EUR	26,000 EUR	66,217,000 EUR	895,513,000 EUR	—	24,000 EUR	895,539,000 EUR	839,311,000 EUR	920,819,000 EUR	141,538,000 EUR	324,000 EUR	86,723,000 EUR	920,495,000 EUR	26,369,000 EUR	839,311,000 EUR	808,484,000 EUR	2,106,000 EUR	41,941,000 EUR	105,167,000 EUR	810,590,000 EUR	34,505,000 EUR	839,311,000 EUR
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]