Disclosure Of Income Tax [Text Block]

STRABAG SE - Filing #1078023

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Disclosure of income tax [text block]	—	—	—	—	—	—	—	—	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	—	—	—	287,135 EUR	—	—	—	210,986 EUR	—	—	—
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	—	—	—	6,510 EUR	—	—	—	2,028 EUR	—	—	—
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	—	—	—	9,251 EUR	—	—	—	5,530 EUR	—	—	—
Income tax relating to components of other comprehensive income	13,000 EUR	—	6,510 EUR	15,774 EUR	15,761 EUR	9,264 EUR	5,494 EUR	—	3,502 EUR	36,000 EUR	2,028 EUR	3,466 EUR
Disclosure of temporary difference, unused tax losses and unused tax credits [text block]	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]
Deferred tax assets and liabilities [abstract]
Deferred tax assets	—	104,444 EUR	—	—	—	—	—	185,364 EUR	—	—	—	—
Deferred tax liabilities	—	104,063 EUR	—	—	—	—	—	61,291 EUR	—	—	—	—
Reconciliation of changes in deferred tax liability (asset) [abstract]
Changes in deferred tax liability (asset) [abstract]
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]