Disclosure Of Fair Value Measurement [Text Block]

STRABAG SE - Filing #1078023

Concept	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	As at 2021-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
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	—	—	12.225.768 EUR	—	—	—	—	—	—	—	—	—	—	—	12.134.441 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	2.085.806 EUR	1.964.359 EUR	4.071.822 EUR	47,209 EUR	4.047.506 EUR	24,316 EUR	58,050 EUR	102,600 EUR	1.824.618 EUR	22,074 EUR	74,647 EUR	4.086.146 EUR	110,000 EUR	89,209 EUR	4.108.220 EUR	2.315.384 EUR	3.822.204 EUR	33,695 EUR	47,505 EUR	2.315.384 EUR	3.855.899 EUR	1.531.174 EUR	86,849 EUR	110,000 EUR
Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract]