Statement Of Comprehensive Income [Abstract]

STRABAG SE - Filing #1078023

Concept	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	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	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	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	10,697 EUR	—	—	585,706 EUR	596,403 EUR	585,706 EUR	395,217 EUR	399,064 EUR	—	3,847 EUR	—	395,217 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	—	—	—	—	37,000 EUR	—	—	23,000 EUR	—	—	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	25,771 EUR	—	—	12,006 EUR	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	358,000 EUR	—	31,059 EUR	31,059 EUR	30,701 EUR	—	—	34,167 EUR	34,266 EUR	99,000 EUR	—	34,266 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	—	—	—	—	4,820 EUR	—	—	10,032 EUR	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	58,239 EUR	—	—	29,404 EUR	—	—	—	—
Other comprehensive income	398,000 EUR	27,438 EUR	31,159 EUR	84,408 EUR	84,010 EUR	25,811 EUR	12,023 EUR	41,410 EUR	41,705 EUR	116,000 EUR	12,202 EUR	41,526 EUR
Comprehensive income	10,299 EUR	27,438 EUR	31,159 EUR	670,114 EUR	680,413 EUR	611,517 EUR	383,194 EUR	357,654 EUR	41,705 EUR	3,963 EUR	12,202 EUR	353,691 EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	670,114 EUR	—	—	353,691 EUR	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	10,299 EUR	—	—	3,963 EUR	—	—	—	—