Statement Of Comprehensive Income [Abstract]

STRABAG SE - Filing #1128575

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)	395,217,000 EUR	399,064,000 EUR	—	3,847,000 EUR	—	395,217,000 EUR	—	371,695,000 EUR	371,695,000 EUR	378,555,000 EUR	6,860,000 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	—	12,006,000 EUR	—	—	—	—	—	—	—	33,958,000 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	—	10,032,000 EUR	—	—	—	—	—	—	—	6,471,000 EUR	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	29,404,000 EUR	—	—	—	—	—	—	—	2,835,000 EUR	—	—
Other comprehensive income	—	41,410,000 EUR	—	—	—	—	—	—	—	36,793,000 EUR	—	—
Comprehensive income	383,194,000 EUR	357,654,000 EUR	41,705,000 EUR	3,963,000 EUR	12,202,000 EUR	353,691,000 EUR	7,913,000 EUR	334,899,000 EUR	337,759,000 EUR	341,762,000 EUR	6,863,000 EUR	10,773,000 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	353,691,000 EUR	—	—	—	—	—	—	—	334,899,000 EUR	—	—
Comprehensive income, attributable to non-controlling interests	—	3,963,000 EUR	—	—	—	—	—	—	—	6,863,000 EUR	—	—