Disclosure Of Income Tax [Text Block]

STRABAG SE - Filing #1128561

Concept	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2019-12-31	2019-01-01 to 2019-12-31
Disclosure of income tax [text block]	—	—	—	—
Major components of tax expense (income) [abstract]
Tax expense (income)	—	210,986 EUR	—	198,684 EUR
Income tax relating to components of other comprehensive income [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	—	2,028 EUR	—	6,264 EUR
Income tax relating to remeasurements of defined benefit plans included in other comprehensive income	—	5,530 EUR	—	13,704 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	185,364 EUR	—	137,617 EUR	—
Deferred tax liabilities	61,291 EUR	—	48,696 EUR	—
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]