Statement Of Comprehensive Income [Abstract]

STRABAG SE - Filing #1128561

Concept	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	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31	2019-01-01 to 2019-12-31
Statement of comprehensive income [abstract]
Profit (loss)	395,217 EUR	399,064 EUR	—	3,847 EUR	—	395,217 EUR	—	371,695 EUR	371,695 EUR	378,555 EUR	6,860 EUR	—
Other comprehensive income [abstract]
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax	—	23,000 EUR	—	—	—	—	—	—	—	156,000 EUR	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	12,006 EUR	—	—	—	—	—	—	—	33,958 EUR	—	—
Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax	—	10,032 EUR	—	—	—	—	—	—	—	6,471 EUR	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	29,404 EUR	—	—	—	—	—	—	—	2,835 EUR	—	—
Other comprehensive income	—	41,410 EUR	—	—	—	—	—	—	—	36,793 EUR	—	—
Comprehensive income	383,194 EUR	357,654 EUR	41,705 EUR	3,963 EUR	12,202 EUR	353,691 EUR	7,913 EUR	334,899 EUR	337,759 EUR	341,762 EUR	6,863 EUR	10,773 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	353,691 EUR	—	—	—	—	—	—	—	334,899 EUR	—	—
Comprehensive income, attributable to non-controlling interests	—	3,963 EUR	—	—	—	—	—	—	—	6,863 EUR	—	—